Beginner tips for PHP master


PHP is the language behind the absolute most dominant and inescapable web applications around, including the omnipresent Facebook and the relentless WordPress. Learning another dialect can be overwhelming, so we've tapped a couple PHP experts for their guidance for tenderfoot php development coders (stay tuned for a transitional/propelled determination of tips, coming up in two or three weeks).

In case you're another PHP developer (or an old professional), make certain to leave a note in the remarks and let us and different readers realize what explicit advances you've taken that is made learning the language simpler for you.

Go for object oriented programming

Naramore is a SourceForge worker and established PHPWomen.org. For complete beginners, she suggests getting an intensive foundation in item situated programming (OO) before jumping straight into PHP.

"In case you're originating from a non-tech industry, set aside the effort to learn strong standards of programming advancement. Things like item arranged programming, test driven advancement, adaptation control, troubleshooting, structure designs, and so forth.

Procedural Programming works by following an everyday practice from the top to the base of each page as the server peruses each record on your server. With OOP, there could be a couple of items being instantiated, which, thusly could instantiate a couple of, a hundred or a thousand different articles which could all play out specific errands relying upon factors go into the articles. OOP is quicker, less complex, simpler to investigate, utilizes less server assets, less code, is quicker stacking and progressively coherent to work with once you make sense of the essential standards.

Maintain distance from the code end with _once()

We all realize that include() just gives us a notice on the off chance that it comes up short, while require() kills the script with a lethal mistake when it falls flat. What we remember is that include_once() and require_once() is very hard on server resources. There is nothing we can do about it, it's the manner by which PHP is set up.

Develop with reporting error on

The first thing you do when beginning another undertaking is to turn blunder answering to E_ALL, and you should just turn it off ten seconds before going to generation mode. I do this with each venture that I manufacture and there is nothing superior to running an undertaking in full generation mode and not in any case getting one mistake. Other than that, with mistake giving an account of, you get any little blunders that will inevitably grow up to chomp you in the... all things considered.

Use a structure if needed

Structures that help you do the dreary things can help, despite the fact that you should figure out how the structures work first so as to make things basic, yet that is the main genuine exchange off. Additionally, you stand less shot of composing awful code when another person has composed the greater part of it for you, yet how about we imagine I didn't state that.

Use inbuilt functions of PHP

Alright, you need to include the measure of keys in a cluster? You can circle through the cluster and essentially increase an incentive for every emphasis, isn't that so? Or then again you can simply utilize the implicit PHP function count(), which does exactly what it should. PHP has many worked in capacities that can do what you need them to, so look at the manual to ensure you are doing it in the most ideal manner possible.

Database protection

The best and most secure path is to utilize mysql_real_escape_string() for all database before it is added to the database. This capacity makes all strings secure as far as statements and other different capacities that can hurt your database or contain malevolent code, so use it to make certain you have ventured out assurance of your information. Something else you can do is approved all POST and GET strings, never use $_REQUEST, and ensure all structure submitted information is of the correct kind and incentive before adding it to a database question.

Draw before you code

A decent practice to get into is to wireframe your projects, regardless of whether you are simply writing a couple of notes on a bit of paper. It is imperative to really give the mechanics of your application some idea before plunking down to begin coding, on the grounds that during the time spent arranging it you will really iron out the troubles in your mind and keep away from the real cerebral pain that accompanies the facepalm when you understand that all that you simply did is either wrong, not required, or very easy senseless.

Understand the project


An artist can't draw something that he has not seen previously. An artist can't sing a tune that he has not heard previously. You can't code a venture that you don't completely get it. On the off chance that you don't see precisely what it needs to do, and how it needs to it, you can't manufacture it.

Author Bio -
Alex jone is a Marketing Manager at AIS Technolabs which is Web design and Development Company, helping global businesses to grow. I would love to share thoughts on php contest script.

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Top Amazing tips and techniques to develop a mobile web apps


As a mobile device user, few things square measure as frustrating and troublesome to fat-finger-navigate as a poorly designed mobile web app, or maybe a native app.

And as a mobile app developer, few things are most as intensely irritating and frustrating as strain to support as wide a spread of mobile purchasers as potential, each of which has its own frustrating set of idiosyncrasies. Like mobile device user, few things are as frustrating and damn difficult to fat-finger-navigate as a poorly designed mobile web or native app either. And as a mobile app developer, few things can be as intensely irritating as striving to support as broad a range of mobile clients as possible, each of which has its own self frustrating set of idiosyncrasies.

There are already many tools which we can talk about for ipad website development and web design and web development on your iPad. Apps that allow us to create so many color schemes, retouch images and also write and work with CSS3, create your own fonts and techniques in minutes, create apps for iPhone and iPod, etc..

Mobile Web App vs. Native App vs. Hybrid App
As is true with most technology choices, there’s no one-size-fits-all answer when it comes to the type of mobile app to develop. There square measure various internet app best practices to contemplate, not all of which are technical. Who is your target audience?

Mobile Web App Development Requires Detailed Planning
Identifying your (or your customer’s) necessities is one among the most essential best practices in app development, mobile or otherwise. Carefully research the targeted capabilities to see if they are realizable in your mobile internet app.

Remember to verify before that the functionality you’re trying to find is supported across the device landscape that your customers square measure possible to be exploitation.

Optimizing Your Mobile Web Application for Performance
You must thus consider carefully regarding the way to scale back and optimize each computer memory unit and server transfer to cut back the user’s wait time. It’s unrealistic to expect that transfers will always be done over a WiFi network, and you should know that 60% of mobile web users say they expect a site to load on their portable in 3 seconds or less (source). Similarly, Google found that, for every extra five seconds of load time, traffic dropped by 20% Image Optimization. Image load time is well-known to be one among the biggest performance issues moving page load on mobile devices. Use of online image optimizers, such as smushit.com and many other, can be helpful in addressing this issue.

Code compression.

Compressing your JavaScript and CSS files, depending on the amount of code you have, can potentially and succeedingly have a significant impact on performance.

Database queries.
Some mobile device browsers don’t accept as many cookies as desktop browsers do, which might end in the requirement to execute even a lot of queries than usual. Server-side caching is thus especially crucial when supporting mobile net app shoppers.

Content delivery networks (CDN).
If you are progressing to offer millions of videos, images, audio files, or other types of media, use of a CDN is highly recommended. Some of the more common commercial CDNs embrace Amazon S3, Microsoft Windows Azure, and MaxCDN. The advantages of using a CDN square measure

varied and include:
Improved download performance. Leveraging a CDN’s resources makes you to distribute load, save bandwidth, and boosts performance. The better CDNs provide higher accessibility, lower network latency, and lower packet loss.

Mobile Web App Development Tools
“The right tools for the proper job” is an old saw that applies as much to software system development because it will to any other domain. This tutorial provides and introduction to some of the more popular and widely-used tools for mobile web app development, but bear in mind that there may very well be other tools that square measure the “right” ones for developing your mobile web application, depending on your needs and on the market resources.

Choosing the Right JavaScript Mobile Web App Framework
As mobile web app development tend to make several of an equivalent common challenges – such as cross-browser compatibility and inconsistent hypertext mark-up language and CSS in mobile browsers – frameworks have been developed (based on HTML5 and CSS3) that are specifically designed to address these issues and to work as flawlessly as possible on a wide array of smart phones and tablets.

Look and feel. 
Generally speaking, the planning and feel of a Sencha touch app is crisper and superior to it of a jQuery mobile app, but it's necessary to recollect that such reactions do tend to be highly subjective.

Extensibility.
Query Mobile offers a lot of third party extensions and is inherently designed to be highly protractile, whereas Sencha touch is currently way more of a “closed” framework.

Device support.
Query Mobile currently targets a larger cross-section of devices than Sencha bit.

HTML “vs.” JavaScript. jQuery is largely HTML-centric (i.e., extending and manipulating existing HTML in JavaScript), whereas Sencha Touch coding is entirely JavaScript-based. Responsive Frameworks and Mobile Web

Applications
An increasing high range of responsive frameworks have just begun cropping up in recent years, with two of the currently most popular being

Bootstrap and Foundation.
It is mostly based on CSS and JavaScript, many of these frameworks are an open-source, free to download, and easily customizable.

Many factors should be thought-about once choosing between web, native, and hybrid mobile app options for mobile devices. Each has its own advantages, however mobile web apps can usually represent your most efficient development (and thus time-to-market) choice. Should you choose to go down that path, I hope this mobile web app development tutorial helps get you more directly and successfully to your destination.

Author Bio:-

Merry Waren is a Marketing Manager at AIS Technolabs which is Web design and Development Company, helping global businesses to grow by Node Js Development Services. I would love to share thoughts on develop apple tv apps and Game Design Development etc.

Top 7 Tips for Designing Windows Phone Apps



After a long session of discussion with windows app development designers. I concluded with some of the great patterns that every Windows designers implement in their app designing process.

Thus, I asked Senior Interactive Designer, AIS Technolabs, who has the reviews, to examine common
issues he sees and records the top eight design tips for Windows Phone. This is what we thought of.

1. Core interest
Compose a "best-at" articulation that plots what makes your app incredible and special from the rest.
Use it as a statement of purpose that guides design and improvement. Consider how different kinds of
users will utilize your app and spotlight on the top three "client situations" that genuinely bolster your
best-at explanation. Make this client encounters outstanding before including more features.

2. Plan
Make a navigation flowchart, indicating how the pages in your app interrelate. It will give you a more
clear picture of how users ought to get around in your app. Gathering like pages and after that choose if each gathering ought to be in the scene, turn or app bar style dependent on how users will interact.
Regardless of whether you're not artistically inclined, sketch basic wireframes for your pages and attempt different emphases. Sketches are always more straightforward to modify that code.

3. Love the grid
Grid-based design is just the same old thing new, but did you realize that Windows Phone has its very
own network? Use it while sketching or making design comps. There is even a convenient overlay
incorporated into the page template. (It's covered up in the XAML remarks.) Flip it on and see the grid in your very own application. Snap to it!

4. Theme it
An incredible aspect regarding Windows Phone is that users pick to light or dull themes just as personal accent hues. The whole telephone takes on those themes. Try not to let your app get left behind, or more terrible, perform opposite the client's aim. Theme and accent hues are accessible as assets you can use all through your app.

5. It's alive!
Users love apps that vibe like they're an essential piece of their telephone. Make an excellent live tile
understanding, regardless of whether that is not the key feature of your app. Live tiles maneuver users
once more into your app, and give you an edge over the challenge. Investigate the templates and
concoct a few thoughts.

6. Give content a chance to breathe, never dread the parchment
It's enticing to pack however much substance as could reasonably be expected onto a screen, but recall that looking on Windows Phone takes a flick of the finger. Great screen design is centered around neatness and "scannability." Let your design breathe and dodge the "mass of words" impact. Utilize void area – the holes between visual elements – to isolate gatherings of elements and make your design more clear initially.

7. Be propelled
Windows Phone's design language is propelled by the International Typographic Style. This style centers around solid typography, effortlessness, and lucidity. It utilizes essential representation, sharp
differentiation, and strong shapes to impart thoughts successfully. Look at it, then zest up your app
design.

8. Offer it
Think about how you populate your store section. This is regularly the first experience a potential
customer has with your app. Your app's name and symbol ought to be clear and noteworthy, its
portrayals basic and powerful. The screenshots you pick should demo key substance and usefulness
that users need or need.

Author Bio -

Denny Kelly is a Marketing Manager at AIS Technolabs which is Web design and
Development Company, helping global businesses to grow. I would love to share thoughts on
windows mobile app development.

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5 Major Advantages of Using MySQL

Utilizing PHP, yet at the same time don't have the foggiest idea how MySQL can help you in your various Web Development projects? Peruse on and get illuminated. MySQL is one of only a handful couple of open-source common database management systems. The 'My' is added from the name of founder Michael Widenius' girl, and the SQL means 'Structure Query Language.' While practically all PHP developers realize that MySQL is quickly turning into an essential part in web development all over the place, relatively few have completely comprehended the thought of the combined effects of MySQL and PHP. In any case, that is the place we come in. We will highlight its various advantages and help you decide an ideal approach to use the PHP language.

1. Support

MySQL merely is one more essential language like PHP, and then consolidated for a web development task, they can make shocking websites. They give considerably more effective outcomes than sites built on the base of just a single language, and PHP developers can utilize this innovation to create something uncommon each time. Websites with MySQL as the background database notwithstanding, are only one case of how the two languages support one another and make programming fun and simple.

2. Creating Dynamic Sites

As has been referenced above, both PHP and MySQL can work amazingly in a community development condition. PHP is currently considered a standout amongst the best server-side languages, and MySQL is utilized alongside it to empower programmers to make sure and solid frameworks for web development systems. This is the reason it is moderately simple to use the two databases in the WordPress precisely as proposed by the developer.

A dynamic website made with the assistance of PHP and MySQL makes the PHP developer's activity simpler than any time in recent memory since it can undoubtedly be changed, controlled and refreshed. While PHP can be embedded into HTML or any language used to create website pages, MySQL can be utilized as a database that works out of sight and essentially offers help.

3. Cost

A standout amongst the most successive issues looked in web development is unexpected expenses. To begin with, you can't consider setting up a website without spending on name enrollment, which opens up a veritable Pandora's Box. You will at that point need to deal with facilitating and its various types, just as the expenses incurred on programming and development-related tricks, also the sum that you will pay to a good PHP developer. However, the utilization of PHP will in the long run cut down costs, and even a layperson can structure a website utilizing it, because of its free permit, wonderful network help and vast amounts of tutorials available over the web.

Presently, to make your website considerably progressively dynamic, you can utilize MySQL. Developers love the blend of PHP and MySQL because it is very cost effective, requires low-end equipment and less problem.

4. Trustworthiness, Ease and Open Source


The best thing about the PHP and MySQL combo is its honesty, ease, and their open-source properties. PHP developers lean toward not revamping every single line of HTML in an outsider like a programming language. This is because PHP is a WYSIWYG language and it very well may be altered by WYSIWYG editors, which makes it simple to change. These astonishing customizable options again make it simple for PHP developers to create exceptional and dazzling websites, including web-based business websites.

Besides MySQL Fabric is a incorporated framework that any PHP developer can utilize and since it is open-sourced, it makes everything straightforward and simple notwithstanding for noobs.

5. Online business loves the combo


This has been referenced already as well. However, we have to refer to it under a different heading. The fate of computerized enterprise is for the most part about web-based business. Online stores are developing and challenging the authority of the current substantial retail organizations. Exceptionally soon pretty much every country on the planet will likewise get digitized, and individuals will like to purchase everything on the web. This is the thing that makes PHP developers so highly sought after.

On the off chance that you are a Php Mysql Development Company, you should know about the significance of website structure, database dealing with and the dynamic part of website development. PHP and MySQL present something when combined that no other combo does too; they work as a group. With PHP working on the face and MySQL working as a background database, you can achieve website structure and development.

CHALLENGES OF SCALING MYSQL

Scaling frameworks that can't be streamlined with ace/slave setups requires full development time. Replication lag further muddles application rationale since it disturbs the information consistency between the slave and the ace. At long last, MySQL server adjustments need steady coordination between database groups and applications.

Replication

MySQL servers regularly keep running into replication clashes amid a manual failover when multi-ace setups are included.

Database Logging Costs

Database logging is costly; thus it stays crippled more often than not. Therefore, associations need ongoing permeability into moderate logs, which delays investigating.

Query Caches


MySQL server query reserve is of little help when dealing with a high volume of workload since store nullification can't be controlled.

High Connection Churn


If your applications depend on a LAMP stack, they will, in general, have a high volume of user sessions running simultaneously and, like this, they experience a high association beat. So the more significant part of your essential server resources is depleted on association management.

A few organizations consider sharding as a scaling choice, yet sharding includes critical multifaceted nature, cost and its very own arrangement of other difficulties. The least demanding approach to use the ground-breaking highlights of MySQL without making any adjustments at the application level or composing a single line of code is to use database load balancing programming.

The Solution? Database Load Balancing Software for MySQL

Database load balancing programming unravels the difficulties that crop up when scaling your MySQL database. It empowers programmed to read/to compose split so you can use readable replicas with no code changes, enlarges failover to make it undetectable at the user or application level, gives unparalleled permeability into analytics, and encourages a single tick straightforward reserving. This natural, agentless methodology builds reaction times up to 60X, averts downtime amid database failovers, duplicates website execution and guarantees better business results. With database load balancing programming, undertakings can overhaul their applications in a moment and ensure that they stay ready for action around the year.

About The Author:

Code Wilson is a Marketing Manager at AIS Technolabs which is Web design and Development Company, helping global businesses to grow by Mysql Development. I would love to share thoughts on Social Media Marketing Services and Game Design Development etc.


4 Critical Tips to Learn Programming Faster

Are you experiencing difficulty to pick up programming Skill? Well not any longer! Having the capacity to code is a fundamental skill on the off chance that one needs to get into the IT field. It is a skill that is usually out of each IT engineer. Programming at its heart is a blend of having the capacity to comprehend and comprehend problems and after that putting crosswise over directions in a very much characterized way to a PC to tackle the issue.

Here are the best four different ways to get the hang of programming productively and rapidly.


Create Logical Reasoning
Programming includes having the capacity to comprehend problems and afterward spread out the directions to tackle it. To understand the issue, in any case, one must create intelligent thinking.

Here are some approaches to create coherent reasoning
  • Understand rationale puzzles
  • Think restrictively, for example, yes or no, if this then that
  • Separate complex problems into less difficult lumps
  • With regards to programming, if you know a couple of languages, then you can improve your legitimate thinking by
  • Perusing codes of different programmers
  • Compose basic programs, for example, design programs in the new language.
  • Pick a language with part of the documentation.
  • Programing documentations
While picking another language to learn, one must remember the measure of documentation that it has. It is not necessarily the case that one can't become familiar with a language with less documentation; its only that there is less measure of assets to accumulate data from. Documentation of explicit languages can be found in their websites.

Clear and unmistakable documentation enables a programmer to comprehend the complexities of a language helping them comprehend things, for example, the sentence structure and furthermore stuff like how the program is compiled, which is essential data for a programmer to understand the language.

Construct Small Projects
This is my final top choice approach to catch on quickly. It is practically difficult to get familiar with a programming language altogether. One can ace around 80% of a language. To pick up the capacity to program in a language one can fix little and straightforward projects, for example,
  • Adding machine
  • Basic inventory framework
  • PAC-man
  • Wind
Having a true objective will help in working from the back, implying that one will adopt new ideas as and when required to do as such. Utilizing this method a little application can be created which will have some genuine use and furthermore it would have presented numerous ideas.

PRACTICE!
Toward the day's end, everything boils down to how much practice one has with the language. A programmer must most likely think intelligently, bring those musings into composed guidelines and afterward execute them to do projects that will have precise application. As technology progresses step by step and is evolving quickly, it is vital to continue rehearsing new ideas to keep yourself refreshed.

There are numerous online websites where you can rehearse different programming languages in an automatic route for example –
  • TopCoder
  • Coderbyte
  • Venture Euler
  • HackerRank
  • CodeChef
and so forth

Practice is the way to being a decent programmer, and this will dependably stay to be the foundation of figuring out how to program.

These were the best four different ways to get the hang of programming quicker and all the more effective. In case if you are looking to hire a programmer Tell us.

Author Bio:
Alex Jone Works in a HR and Recruitment at Alliance Recruitment Agency- an IT Recruitment Agency. He specializes in helping with international recruiting, python developer , staffing, HR services and Careers advice service for overseas and international businesses.

Facebook: https://www.facebook.com/Alliancerecruitmentagency/
Twitter: https://twitter.com/career_alliance

Best Tips to speed up Android App Development


With charged and arthritic competition in the market of technology, the public demands a lot more. Expectations of human beings are being progressively enhancing because humans are relying upon much technology in the present scenario. Much technological business associations are facing complication dealing with the needs of large scale. Maintaining quality as well as the speed at the same time has become a major issue to be gazed upon. Many CEOs are struggling to take their app to market even before their competitors grasp their ideas. Since making quality Android development is an issue of concern, there are following tips to improve the standards in the market:-

•    Usage of latest tools:- Android development is not an easy nut to crack because it contains designing, prototyping, coding, testing and debugging in a limited time. So, rather than using the varying method to resolve these issues, coders should use many apps that had been created to resolve it easily. Apps such as genymotion, hierarchy viewer, leek canary,vysor, and butterknife and many more are meant to solve such issues in seconds.

•    Speeder low-fidelity wireframes:- Low fidelity wireframes are better than high fidelity wireframes because it is less detailed and more fluid giving the clear sketch to UI developers or designers. Getting directly into coding is not advisable for any Android Developers. The first and foremost step is to create a team of excellent coders, designers, developers, and project managers. Having a good sense of responsibility should be the criteria for android developer hire in a company.

•    Be flexible:-  The commonly accepted way to launch a flawless app is MVP(Minimal Viable Product). Launching a short app with minimal features is better than launching a full fledge blemished app. Android developers should always be flexible with what with what they are working and how is it working? Having customer feedback on each of the mini-projects will gradually increase the chances of creating a flawless application and will be more likely to appeal and succeed.

•    Envoy off core activities:- It is always advisable to offload activities such as measuring app analytics, converting subscribers to premium ones, etc. The developers should basically focus on the mobile engagement of that application rather than wasting time over the off-core activities. The pre-designed applets should be used for this because it needs only a single line of code.

•    Not to disqualify hybrid technique:- The hybrid app feature is used in the field where cross-platform application are performed. Most developers try to make native apps which has its own set of pros. But to work on different platforms at the same moment can only be accomplished by the creation of the hybrid application. Though it has its own set of drawbacks regarding its fluidity and robustness.

•    Opting automated scrutiny:-  Automated testing is a sure shot way to create a secure and fully tested app which is market ready. The advantage of automated testing lies where the product needs to pass manual testing. The predefined Automated testing techniques provide bug-free testing as well as improves test coverage.

Author Bio - 
Denny Kelly is a Marketing Manager at AIS Technolabs which is Web design and Development Company, helping global businesses to grow. I would love to share thoughts on  react native android app and Game Design Development etc. 

For More: 



18 Must Follow Tricks for iOS App Development


Reinforcing Digital Interaction
Mobile Applications are the interface to the users to access their digital needs. They give access to different features of mobile to the users. As technology is rapidly changing day to day the applications need to be updated accordingly. Today there are more mobile users than desktop users because mobile apps are faster than desktop sites. One can instantly perform digital activities using Mobile Applications.

The widespread uses of Mobile Applications include Communication, Education, Social Media, and Marketing etc. The mobile applications are impacting the lives of people and there is no doubt in saying that it has increased the standard of living. The transformations in technology raised the demand for Applications which requires skill full App Developers.

ios: An Address for Uniqueness
ios have its uniqueness in its own way. Though Android is leading in the Smartphone Market its not at all a competition for ios. Ios have its special feature which will not match with any other device applications which give a great experience to users. To make use of ios in a better way one must have the right applications. In this context, ios app development has gained momentum.

Ios 8 is released as a successor of ios 7. In order to enjoy the high-end features of ios, ios 8 apps development plays an important role.

App Development Tricks
It is not a simple task to build an application. It is more complex in the case of ios. A developer should shape a concept correctly for efficient working. A developer needs to think vigorously to develop an application at the same time he should complete it in the time-bound given to him. In this course, a developer needs some information and inputs there are many blogs are sites which give required knowledge for the developers on various ideas and information but only a few can be a great resource to the developer.

These tricks will be a game changer to a developer helping them to add their app into the app store of Apple.

Contemplate your Idea
An application is developed to fulfill the users need. So, in order to develop a useful application, one must know the current trends in the industry.

Do not Neglect the Design
Many don't care about the design of the application and only focuses on error-free and efficiency in the program but, First Impression is the best impression so when the user first sees the application in the app store it should impact him for a moment.

Be a part of the Apple Developer Program
Not only training, but one will also get access to Apple's resources and can have knowledge in App analytics and beta testing tools

Be good at Obj C and Swift
Even though Ios apps can be developed using different programming languages, professionals suggest Objective C for developing ios applications. A recent language Swift is gaining momentum nowadays because with Swift app development is manageable.

Get Feedback
Before publishing in the App store one must check and test its success in the competitive market. This can be done by seeking the feedback of the developed application from random people, relatives, and friends.

Limit your Expectations
Apple guidelines are strict and it takes a long time to get permission to publish your application in the app store. With High expectations, some developers invest more on the application which ultimately put them in depression if not permitted by Apple. So Limited Expectations may give better outcomes.

Fit to the Screen
Many users hesitate to scroll the screen to left and right which is embarrassing. So make sure that your app is fit to the screen to avoid the scrolling's so that it looks nce.

Use Emulators to Review
Text and Images should be visible so that the user shouldn't zoom it. Using Emulators help you in reviewing the layout before being published in the App store.

Use Standard UI elements
The significant difference between Android and ios is UI elements which makes ones application intuitive.

Effective Error handling
A Logic error is quite common for any coder. The logic errors should be handled so that there should be no damage to the application to crash.

Maintain a Project Structure
A clear Picture and project structure makes your code organized which will decrease your count of bugs in the count.

Remember your Apple Id
In order to publish your application in the App store, one must remember the Apple id which used to sign the code. Developers should send the necessary files to the App store.

Consider Security
Apple makes HTTPS compulsory in the security point of view.

Ios is known for its security features Developers should also think about security as it is an important aspect in this cyber world.

Finally, Apple is very cautious with its guidelines. Hence to meet the requirements of Apple one must stick to the rules.

About The Author
Sunny Chawla is a Marketing Manager at AIS Technolabs which is Web design and Development Company, helping global businesses to grow by iOS 8 Apps Development . I would love to share thoughts on Social Media Marketing Services and Game Design Development etc.

4 Things you must know about Unity Game Programming



I realize what you are likely reasoning. You simply need to begin making amazing games. Why squander your opportunity taking in a dialect when you could be making incredible games. The instructional exercises are all that you have to know… .. isn't that so?

All things considered, yes… . and after that an extremely tremendous no. While you will without a doubt learn fundamental C# while experiencing instructional exercises, the dialect is significantly more extensive than any single instructional exercise could cover. So why try taking in the dialect when you can google and likely discover a duplicate/glue reply? Investigate the accompanying code:

void FixedUpdate() {

in the event that (isLocalPlayer) {

localInputState = localInputState + 1;

cameraMouseAim.RunUpdate(Time.fixedDeltaTime);

cameraAimPoint.RunUpdate(Time.fixedDeltaTime);

characterInput.Parse(localInputState);

inputStates.Enqueue(characterInput.currentInput);

characterMovement.RunUpdate(Time.fixedDeltaTime);

characterRotation.RunUpdate(Time.fixedDeltaTime);

in the event that (inputStates.Count > WARNING_CLIENT_WAITING_STATES) {



}

in the event that (inputStates.Count > MAX_CLIENT_WAITING_STATES) {

Debug.LogError("Too many holding up states, beginning to drop outlines");

}

while (inputStates.Count > MAX_CLIENT_WAITING_STATES) {

inputStates.Dequeue();

}

on the off chance that (isServer && isLocalPlayer || nextSendTime < Time.time) {

CmdSetServerInput(inputStates.ToArray(), transform.position);

nextSendTime = Time.time + 0.33f;

}

}

}


Do you see my point? While you might have the capacity to see some of which is going on, I will figure likely you are left scratching your head at precisely what is happening here. The thought is utilizing Unity 3d Programming to make an extraordinary situation for creating games utilizing the C# dialect. In the event that you just have an obscure thought of the fundamentals to C#, you will wind up attempting to make things work in Unity, conceivably prompting you surrendering. I would prefer not to see that!

Comprehend Terminology and Syntax

So for what reason are those both imperative? All things considered, right off the bat, there's a reason I lumped both of these together into one gathering. Terminology is the word(s) used to depict what the Syntax is. Sounds confounding? I'll incorporate it so you may better get it.

While it might appear at first glance syntax is all you would truly need to know (and much of the time, this is to be sure valid), there is something to dependably consider: on the off chance that you don't know what to call something, how might you look for help for it? Take, for example, a blunder like "Can't make an occurrence of data compose 'IEnumerator'". On the off chance that you comprehend the terminology, this is in reality extremely elucidating! 'occurrence', 'data compose' and 'IEnumerator' are the terms here and on the off chance that you comprehend their capacity you will have the capacity to all the more rapidly take out the current issue.


Data Types — Learn them, adore them.

Data types: a companion you will visit always while working in C#! Since C# expects you to characterize your data compose (there are exemptions to this yet we will get to that substantially later), we need to indicate what sort of data we will be utilized with the goal that the mediator will recognize what kind of data to expect and how much memory to hold for this.

Gratefully, it sounds significantly more complicated than it is! While we will go over in detail promote along, it comes down to three diverse general types: numbers, strings (anything that isn't intended to be figured. For instance, "John" is a string) and bools (a genuine or false esteem).

Note that there is a wide range of ways that numbers can be spoken to by in C# data types. For example, the data compose Char holds precisely 1 esteem, for example,

char = 'd';

Algorithms and you: truly, they aren't hard!

Maybe this was only my own particular mind revealing to me this, however, I know when I initially began to get into diversion design and programming, at whatever point I would hear the word calculation I'd have a smaller than the expected fit of anxiety, imagining this incredibly complicated…. something.

You'll be glad to know, this isn't the situation! A calculation is just an arrangement of guidelines for the PC to take after. That is it! Consider it a rundown of activities. Or on the other hand, utilizing a more down to earth model, how about we utilize a morning schedule:

Wake Up

Wish you could rest longer

Get up

Go to restroom

Shower

Put on garments

Open entryway

Go to work


Wager you didn't know your everyday schedule was a calculation! Presently, I let a couple of things alone for this calculation to show a point: it's essential for us as programmers to give careful consideration to our algorithms and think them out, arranging before you really actualize them. Would you be able to make sense of what steps are absent here that could prompt a really terrible day?

Object Oriented Programming (OOP!) — Why this is so imperative in amusement improvement

Oh joy, OOP! It just seems like an error, isn't that right? This idea is all the time the hardest (I know it was for me) for new programmers to comprehend and considerably harder to ace (there are countless books expounded on different design patterns that can make the best utilization of objects).

Be that as it may, once you comprehend the essential idea of object oriented programming, it will rapidly end up evident how critical it is when designing a diversion (or almost whatever else, so far as that is concerned). It will enable you to make code that is reusable, effectively adjust capable, and particular.

Presently I know this all sounds befuddling however here's a model to make it somewhat more clear. Suppose in our amusement we had a supermarket and needed to produce a can of oranges yet every orange we needed somewhat extraordinary. Utilizing procedural (no objects) programming, we would need to physically type out the characteristics of each orange in one gigantic rundown. Objects, notwithstanding, we simply can make the same number of 'examples' of an object 'Orange' as we require with properties officially characterized in the Orange object, eliminating countless lines of code.

About The Author
Kavya gajjar is a Marketing Manager at AIS Technolabs which is Web design and Development Company, helping global businesses to grow by Unity 3d Programming Services. I would love to share thoughts on Social Media Marketing Services and Game Design Development etc.

4 Things You Should Be Check Now To Improve Php Web Development

PHP: Hypertext Preprocessor or simply PHP is a scripting language or programming language concocted by Rasmus Lerdorf in 1995. At the initial stage "Personal Home Page" was the acronym for PHP web development application. It was planned for the personal use of the developer but later when its functionality increased the named changed to "PHP: Hypertext Preprocessor".


From the beginning, PHP has become one of the most well-known programming languages for Web development applications. There are many popular websites which are powered by PHP as well as the majority of scripts and Web projects are also developed with the help of PHP.|

Know the right time to begin optimizing PHP:


You should first run benchmarks on your hardware as well as software in order to determine the performance parameters. It will help you understand the risks and benefits of specific trade-offs thus will guide your coding. Use adequate test data to create code that scales.

Here are 4 excellent tips that will surely help PHP developers to increase or speed up the up the performance of the PHP web development application. Every PHP web developers should learn and follow these basic tips whenever they program.

1.    Upgrading your PHP to the latest version:

If you are using the old versions of PHP web development application then you are surely missing a lot of new features and improvements related to the performance that has been made to the application. Every new version of the PHP web development application has something new compared to the previous versions.

In case you are working with legacy code then upgrading to the new versions of PHP web development is not always a simple task! In any case, if the application is experiencing any performance issues then updating the application to the latest version is the best task that one can follow.

With the release of every PHP updates, there is an increase in performance associated. The performance increases roughly to 100 percent across all kinds of applications.  Not upgrading to the newest version is an indiscreet decision one will make in terms of performance point of view. Upgrading to the newest version will result in less memory consumption which enables you to handle many requests at the same time without depleting the memory of the server.

2.    Take the advantage of using an accelerator such as APC or OPCache:

 In two steps PHP runs your code and they are:

●    PHP compiler will transform the script from PHP code into opcodes
●    Then the PHP virtual machine will execute this intermediate cache format.

 The first step of this process can be cached by the accelerators such as APC or OPCache until the PHP file changes.  An accelerator can double the performance. This ability of an accelerator depends on the kind of application you run and the PHP version is used by you. Latest versions of PHP include OPCache so that's why it is advisable to upgrade to newer versions.

In case if you are running the application on shared hosting then there is a chance of having a disabled opcode cache. The hoster may disable this opcode cache for security reasons. You can move your code to the modern hosters that provide you with the control and are pretty much affordable. You can use Digitalocean and Syseleven for hosting.

3.    Distinguish the delays in the database and neaten your filesystem:


The code doesn't cause the performance problems always.  When the application accesses the resources then most of the congestions occur & this results in lowering the performance of the application. You should look at all the occurrences of database access in code access. This should be done as the data access layer of a PHP web development application is responsible for the occurrence of 90 percent of execution time.

In order to identify and address slow SQL queries turn on slow SQL logs. After that check their efficiency by querying the queries. You can cut down the database access time to boost your application's performance. This can be done if. If there are many queries are being made or same queries are being made several times during a single execution.

You should remove your filesystem if there is any inefficiency present. You should also ensure that the filesystem isn't being utilized for session storage. Look out for codes such as file_exists(), filesize() or filetime() which can trigger a file stat. If any of these functions are present then there will be issues related to performance.

4.    Use XDebug and monitor the APIs:

You should profile your PHP to manage the external resources as a full PHP code profile supplies you with in-depth information about the performance of your application. You can use XDebug to profile your PHP code. Most web applications depend on remote APIs. You can eliminate the problems resulting from AP by establishing timeouts for API requests.

Author Bio:
Sunny Chawla is a Marketing Manager at AIS Technolabs – a Web design and Development Company. Helping global businesses with unique and engaging tools for their business. He would love to share thoughts on Ecm Services, Web Designing and Php Web Development.

Top 10 Myths About Software Development


Software development is prettyvitalfor businesses. We depend on software to maintain the websites, do our finances, and send automatic emails to subscribers. But the selections we make in software are significant to the success of our businesses. Sometimes, we fear we won’t get what we pay for. We fear the designers we hire willnot understand what we need. These are all comprehensible concerns. But it is better to do something than to keep hobbling along with the same old boxed software you have used. No matter what type of industry you are in, you need to be able to have surenessin the software systems. You need to know that they will do what you need them to do at all times.

1.    It’s expensive

Buy only a software designed by a custom software development company. Its not that expensive and have a great potential as well.

2.    I cannot get what I need for the business


If you are not getting the type of software to do exactly what the business needs, you just need to look further for the right solution.

3.    The more, the merrier

One of the myths that adding people to a development team makes it better and speeds up delivery. But, adding more people to a project tends to extend the project’s timeframe and causes friction.

4.    There is always a magic bullet

When building a software, the utmost importance should be given to critical innovative thinking, and skillset. Having the best technologies is just the best thing. 

5.    When the software is released, project is over

When the software is released, the focus should be given to receiving feedback from the users. There should be an ongoing process of improvement along with testing bugs to offer the users with the best product.

6.    Software must be framed on a rigid set of development standards

With the help of a custom software development company, you can have the most efficient system in one place that keeps up with the demands of the world. 

7.    Creating an original web app takes time

It’s not true. The statistics on mobile users pointing to the statistic that there will be about 5 billion mobile users by the year 2019, can you manage to not have an app?

8.    It’s too time-consuming

It’s not at all true. Hiring a professional to do tasks can be really helpful. It will save a lot of time and the results will be great.

9.    Outsourcing is bad


When done properly, in a well-researched manner, outsourcing can deliver better code and a great product.

10.    The best software engineers are computer geeks who do not understand business

You should checkto find the best company to help you understand business. By holding the hand of a company that understands business and make you aware of the new things can be really helpful.


So, go through the points and grasp some the needed information that will clear up all the myths!


Author Bio

I am  working as SEO/blogger in Megicbyte Solutions , a leading Search Engine Optimization Agency in USA/India. He is an avid reader and other than his work, he has an interest in video marketing, writing, and assisting others in social groups. If you are interested in reading more interesting stuff  follow  Megicbyte Solutions on Google+

How to Upload Files Into a MySQL Database Using PHP?


MYSQL is utilized for creating database for websites and web applications. With its amazing performance, dependability and usability, MySQL has become best database option for web applications. It is freely accessible and simple to install. When the user uploads a file and tap on the upload button, the data is submitted to the server. PHP now takes the file and saves it in a folder in the project. Afterwards, it saves the text in the database together with a link pointing to the image in the folder. Now the biggest question is that how to upload files to MySQL database using PHP? Let’s learn.

Phase 0: Creating A Database
The process of creating database is easy. One table with a Binary large object (BLOB) field for the file data and some fields for different pieces of information relating to the file:

1. CREATE TABLE `file` (
2. `id` Int Unsigned Not Null Auto_Increment,
3. `name` VarChar(255) Not Null Default Untitled.txt,
4. `mime` VarChar(50) Not Null Default text/plain,
5. `size` BigInt Unsigned Not Null Default 0,
6. `data` MediumBlob Not Null,
7. `created` DateTime Not Null,
8. PRIMARY KEY (`id`)
9. )
10.

As you see, a file is stored by their, including the extension. We have the mime type, which is used to let the browser know what kinds of file are dealing with. us The size of the file in bytes. And finally the data itself, in a MediumBlob field.


Phase 1: Uploading The File
Now, there is need to get the file from the user. The table we designed does not want further information from the user. So, we will make this easy and create a HTML form with only a single "file" input field and a submit button:

1. <!DOCTYPE html>
2. <head>
3. <title>MySQL file upload example</title>
4. <meta http-equiv="content-type" content="text/html; charset=UTF-8">
5. </head>
6. <body>
7. <form action="add_file.php" method="post" enctype="multipart/ form-data">
8. <input type="file" name="uploaded_file"><br>
9. <input type="submit" value="Upload file">
10. </form>
11. <p>
12. <a href="list_files.php">See all files</a>
13. </p>
14.</body>
15.</html>
Now look at the above mentioned code and you can see the third attribute of the <form> element, "enctype". This tells the browser how to send the form data to the server. As it is, when sending files, this require to be set to "multipart/form-data".
In the event that it is set any other way, or not set at all, your file is presumably not going to be transmitted accurately.

Phase 2: Add The File To The Database
As you can see in phase 1, we set the action property to "add_file.php". This is the file we are going to build it this phase of the process.

This file needs to check if a file has been uploaded, ensure that it was uploaded without errors, and add it to the database:

1. <?php
2. // Check if a file has been uploaded
3. if(isset($_FILES[uploaded_file])) {
4. // Make sure the file was sent without errors
5. if($_FILES[uploaded_file][error] == 0) {
6. // Connect to the database
7. $dbLink = new mysqli(127.0.0.1, user, pwd, myTable);
8. if(mysqli_connect_errno()) {
9. die("MySQL connection failed: ". mysqli_connect_error());
10. }
11.
12. // Gather all required data
13. $name = $dbLink->real_escape_string($_FILES[uploaded_file] [name]);
14. $mime = $dbLink->real_escape_string($_FILES[uploaded_file] [type]);
15.$data=$dbLink->real_escape_string(file_get_contents($_FILES [uploaded_file][tmp_name]));
16. $size = intval($_FILES[uploaded_file][size]);
17.
18. // Create the SQL query
19. $query = "
20. INSERT INTO `file` (
21. `name`, `mime`, `size`, `data`, `created`
22. )
23. VALUES (
24. {$name}, {$mime}, {$size}, {$data}, NOW()
25. )";
26.
27. // Execute the query
28. $result = $dbLink->query($query);
29.
30. // Check if it was successful
31. if($result) {
32. echo Success! Your file was successfully added!;
33. }
34. else {
35. echo Error! Failed to insert the file
36. . "<pre>{$dbLink->error}</pre>";
37. }
38. }
39. else {
40. echo An error occurred while the file was being uploaded.
41. . Error code: . intval($_FILES[uploaded_file] [error]);
42. }
43.
44. // Close the mysql connection
45. $dbLink->close();
46. }Now, using this summary as a guide, lets start writing our program.

Phase 3: Listing All Existing Files
So, now that here is few of files in our database, we have to make a list of files and link them so they can be downloaded:

1. <?php
2. // Connect to the database
3. $dbLink = new mysqli(127.0.0.1, user, pwd, myTable);
4. if(mysqli_connect_errno()) {
5. die("MySQL connection failed: ". mysqli_connect_error());
6. }
7.
8. // Query for a list of all existing files
9. $sql = SELECT `id`, `name`, `mime`, `size`, `created` FROM `file `;
10.$result = $dbLink->query($sql);
11.
12.// Check if it was successful
13.if($result) {
14. // Make sure there are some files in there
15. if($result->num_rows == 0) {
16. echo <p>There are no files in the database</p>;
17. }
18. else {
19. // Print the top of a table
20. echo <table width="100%">
21. <tr>
22. <td><b>Name</b></td>
23. <td><b>Mime</b></td>
24. <td><b>Size (bytes)</b></td>
25. <td><b>Created</b></td>
26. <td><b>&nbsp;</b></td>
27. </tr>;
28.
29. // Print each file
30. while($row = $result->fetch_assoc()) {
31. echo "
32. <tr>
33. <td>{$row[name]}</td>
34. <td>{$row[mime]}</td>
35. <td>{$row[size]}</td>
36. <td>{$row[created]}</td>
37. <td><a href=get_file.php? id={$row[id]}>Download</a></td>
38. </tr>";
39. }
40.
41. // Close table
42. echo </table>;
43. }
44.
45. // Free the result
46. $result->free();
47.}
48.else
49.{
50. echo Error! SQL query failed:;
51. echo "<pre>{$dbLink->error}</pre>";
52.}
53.
54.// Close the mysql connection
55.$dbLink->close();
56.?>

Phase 4: Downloading A File
To truly see how this functions, you should see how your browser downloads documents. When a browser asks for a file from an HTTP server, the server reaction will incorporate information on what precisely it contains. These bits of information are called headers. The headers ordinarily incorporate information on the sort of data being sent, the size of the reaction, and in case of files, the name of the file.

Now, this code. We begin simply by reading the ID sent by the link in phase 3. If the ID is valid, we fetch the information on the file whose ID we received, send the headers, and finally send the file data:

1. <?php
2. // Make sure an ID was passed
3. if(isset($_GET[id])) {
4. // Get the ID
5. $id = intval($_GET[id]);
6.
7. // Make sure the ID is in fact a valid ID
8. if($id <= 0) {
9. die(The ID is invalid!);
10. }
11. else {
12. // Connect to the database
13. $dbLink = new mysqli(127.0.0.1, user, pwd, myTable );
14. if(mysqli_connect_errno()) {
15. die("MySQL connection failed: ". mysqli_connect_error ());
16. }
17.
18. // Fetch the file information
19. $query = "
20. SELECT `mime`, `name`, `size`, `data`
21. FROM `file`
22. WHERE `id` = {$id}";
23. $result = $dbLink->query($query);
24.
25. if($result) {
26. // Make sure the result is valid
27. if($result->num_rows == 1) {
28. // Get the row
29. $row = mysqli_fetch_assoc($result);
30.
31. // Print headers
32. header("Content-Type: ". $row[mime]);
33. header("Content-Length: ". $row[size]);
34. header("Content-Disposition: attachment; filename =". $row[name]);
35.
36. // Print data
37. echo $row[data];
38. }
39. else {
40. echo Error! No image exists with that ID.;
41. }
42.
43. // Free the mysqli resources
44. @mysqli_free_result($result);
45. }
46. else {
47. echo "Error! Query failed: <pre>{$dbLink- >error}</pre>";
48. }
49. @mysqli_close($dbLink);
50. }
51.}
52.else {
53. echo Error! No ID was passed.;
54.}
55.?>

Final Words
So, you can see file uploading process is not complex as we think. Simply think about the above-mentioned steps, and you can easily upload any kind of file in Mysql database using PHP.

Author bio: Morris Edwards is Web developer & Marketing strategist at Awebstar - A leading  web design & development company in singapore. They have built over 400+ Professional & ecommerce websites for their worldwide clients.

What are the Benefits of Learning .NET / C# and Where to Start Learning it


 What are the Benefits of Learning .NET / C# and Where to Start Learning it

In the today's world of internet, there is nothing impossible. Tens of websites offer online courses, mentoring and video tutorials that will help you to learn to program. The one the most strong and ever complete is probably Microsoft course, also available online.

What if you are the complete beginner, afraid of complicated theory, which may easily make you give up fast? We would like to make a small review of the recently launched online tutorial to learn programming in an easy and fun way.

If you are just starting to study C# programming language which is a basis to master .NET technology, one question doubtless will interest you. Why one should choose C# (.Net) and what is it capable of? What opportunities does it open for you? And actually where to start?

Here we will briefly describe what you can do using .NET. For sure, we are not aware of all the possibilities, so you are welcome to add in comments.

Microsoft has invested tremendous efforts in the development of .NET, considering it is a flagship technology. So, let's review which solutions can you create using it.

Windows Applications and Software 
 .NET has become the number one technology for Windows software development and for many years has no analogs in terms of speed and usability of development. Using .NET, you can write WinForm (GUI) applications, console applications, create reusable libraries, Windows services, graphics applications (WPF), and much more.

Web Apps
The technology that allows you to develop web solutions in .NET is called ASP.NET. ASP.NET is tailored to create web applications with rich functionality.

Games

.NET appeared to be very effective to write applications with heavy graphics. It allows you to develop games using intensive 3D graphics, not only for Windows but also for the Xbox 360 game console. The main technology that you are going to use for creating games will be Unity game engine. This is a very promising field of software development.
Mobile Applications

The version of the .NET Framework for mobile devices running on Windows Mobile is called .NET Compact Framework. Here, you won't see many of the features of the usual framework but there are special sets of libraries for mobile devices.

You can also consider using Xamarin framework and write cross-platform mobile applications using C#.

Corporate Applications

Here belong large software system platforms designed to operate in a corporate environment, such as web services, enterprise services, etc.

Programming of microcontrollers
The number of microcontrollers is tens of times larger than conventional processors. They are everywhere: in cellular and ordinary phones, televisions, monitors, microwave ovens, air conditioners, washing machines, refrigerators, MP3-players, cars, cameras ... And all of them need to be programmed. For a long time, the programming of microcontrollers was the prerogative of C and Assembler. Later it became possible to program it using some high-level languages. C# is one of them.

Programming at the system level
We have already written that using C# you can program microcontrollers. Moreover, it is possible to write an entire operating system on it! There is an operating system on managed code, it is experimental and called Microsoft Singularity.

Another question is where to start learning C# if you are a complete beginner?
In the today's world of internet, there is nothing impossible. Tens of websites offer online courses, mentoring and video tutorials that will help you to learn to program. The one the most strong and ever complete is probably Microsoft course, also available online.

What if you are the complete beginner, afraid of complicated theory, which may easily make you give up fast? We would like to make a small review of the recently launched online tutorial to learn programming in an easy and fun way.

Codeasy.net - is the interactive course for learning to program online. It is designed for absolute beginners and does not require any prior knowledge to start. It is really fun to learn from it just by reading an adventure story about fighting machines in the future. While reading you gonna will meet challenges that require real coding to solve. The final goal is to become a programmer to save the world!

Codeasy is not about immediately getting a job, it is not about going into complex details of every subject, it is all about helping people to get into coding in the easiest possible way.

You are probably wondering about the details. Let's see some features of Codeasy.
  • Basic C# course in form of adventure story mixed with the explanation of programming  principles – complete 12 chapters. 
  • Each chapter covers some topic and includes tasks to solve by coding.
  • Solving tasks (writing C# code and running it) is available after registrationdirectly in the online compiler at Codeasy. The progress is shown in each chapter.Without signup the user can still ready whole story.
  • Codeasy checks the code written by the user immediately and outputs the result. 
  • If the user can't solve the task he can use the hint for each task.
  • In case of difficulty, the user can ask Mentors in the Slack chat.
  • When the task is solved, the user can compare and see how the senior developer solved it.
  • Leaderboard – solving the tasks the user gets points and gets to the chart of leaders.
While solving the tasks user earn "viruses" – internal currency at Codeasy to spend on various features like open the next chapter, etc. The most import thing is the basic course is free!

It's rather a good way to start learning, taste programming and decide if it is for you ;-) if you still hesitate.

Perhaps, that's all. If there is anything else to add or correct, please, leave comments.

Prepared by Codeasy.net team.

How to Make Windows / Android / iOS Apps Using Xamarin Platform


Before writing applications, you’ll need to install the Xamarin platform on your Mac,PC, or both (if you’re using that setup)

See the articles on the Xamarin website at:

Creating an iOS App
If you’re interested in using Xamarin.Forms to target the iPhone, first become familiar with the appropriate Getting Started documents on the Xamarin website: 

This will give you guidance on using the Xamarin.iOS library to develop an iPhone application in C#. All you really need to do is get to the point where you can build and deploy a simple iPhone application on either a real iPhone or the iPhone simulator.


If you’re using Visual Studio, and if everything is installed correctly, you should be able to select File > New > Project from the menu, and in the New Project dialog, from the left select Visual C# and iOS and then Universal (which refers to targeting both iPhone and iPad), and from the template list in
the center, select Blank App (iOS).


If you’re using Xamarin Studio, you should be able to select File > New > Solution from the menu, and in the New Project dialog, from the left, select iOS and then App, and from the template list in the center, select Single View App. 


In either case, select a location and name for the solution. Build and deploy the skeleton application created in the project. If you’re having a problem with this, it’s not a Xamarin.Forms issue. You might want to check the Xamarin.iOS forums to see if anybody else has a similar problem: 
http://forums.xamarin.com/categories/ios/ 

Creating an Android App

If you’re interested in using Xamarin.Forms to target Android devices, first become familiar with the Getting Started documents on the Xamarin website: 

https://developer.xamarin.com/guides/android/getting_started/ 


If you’re using Visual Studio, and if everything is installed correctly, you should be able to select File > New > Project from the menu, and in the New Project dialog, from the left, select Visual C# and then Android, and from the template list in the center, select Blank App (Android). 


If you’re using Xamarin Studio, you should be able to select File > New > Solution from the menu, and in the New Project dialog, from the left, select Android and App, and in the template list in the center, select Android App. 


Give it a location and a name; build and deploy. If you can’t get this process to work, it’s not a Xamarin.Forms issue, and you might want to check the Xamarin.Android forums for a similar problem: 


http://forums.xamarin.com/categories/android/ 


Creating a Windows App

If you’re interested in using Xamarin.Forms to target Windows, Windows Phone, or Windows 10 Mobile, you’ll need to become familiar with at least the rudiments of using Visual Studio to develop  Windows applications: 

http://dev.windows.com/ 


In Visual Studio 2017, if everything is installed correctly, you should be able select File > New > Project from the menu, and in the New Project dialog, at the left, select Visual C# and Windows. You’ll see a hierarchy under the Windows heading something like this:



.
The first Universal heading under Windows is for creating a Universal Windows Platform application that can target either Windows 10 or Windows 10 Mobile. Select that, and from the center area select Blank App (Universal Windows) to create a UWP app.  

The other two project types supported by Xamarin.Forms are under the Windows 8 header. The Universal item actually creates two projects—a Windows desktop application and a Windows Phone application with some shared code. For creating just a Windows application, choose Windows and then from the center section Blank App (Windows 8.1). For a Windows Phone application, choose Windows Phone and Blank App This creates a project that targets Windows Phone 8.1. 

These are the three project types supported by Xamarin.Forms.

You should be able to build and deploy the skeleton application to the desktop or to a real phone or an emulator. If not, search the Microsoft website or online forums such as Stack Overflow. 

All ready? If you can build Xamarin.iOS, Xamarin.Android, and Windows applications (or some subset of those), then you’re ready to create your first Xamarin.Forms application. It’s time to say “Hello, Xamarin.Forms” to a new era in cross-platform mobile development. 


Credits : Microsoft Press

How to find the Best Laptop for Programming


Since you are reading this article, it is not hard to guess who you are and what you are looking for. You are a professional software engineer, maybe you are starting off with programming as a student or perhaps you are just a programming geek.
Since you are reading this article, it is not hard to guess who you are and what you are looking for. You are a professional software engineer, maybe you are starting off with programming as a student or perhaps you are just a programming geek.

You have come here looking for the best laptop for programming but you find yourself asking what is it that you are looking for?

Fortunately, we have some tips below that can help you find your perfect laptop.

Beginner / Student Programmer

We are aware that if you are a student you may be on a tight budget. You need to find a laptop that is fairly reasonably priced. We assume that if you are a beginner your projects will be simple, so all you need is a top performance/dollar value laptop and here is how to manage that:

  • 13.3” – 15.6” screen. It should preferably be FHD. We have excluded 17.3 inch because as a student, you will be moving about. 17.3 inch would be difficult to carry around.
  • Recommended a minimum of 8 GB of RAM, although even 4 GB should work just fine for small projects.
  • Find a laptop without dedicated graphics card (Integrated graphics card cost less and will do the work for you)
  • Intel i3 processor is perfect for beginners (you can go for i5, but mostly the may want to avoid it if you are very tight on budget). Do not settle for anything less than an Intel Core i3 like Intel Pentium or Intel Celeron.
  • Battery life 5+ hours is great. However, it is also possible to find 10+ hours.
Professional Programmer/Application Developer

If you are a professional programmer or an application developer, you need a laptop that is powerful, convenient and running smoothly. You don’t need overheating or any lag, you left those problems with your first laptop or desktop computer for beginners, now it is time for something better.

It all comes to what type of programming you are into, but generally we prefer the following specifications here:

  • Processor: As an expert you will have to compile applications or games that require a strong processor. Do not go lower than Intel Core i7 or AMD A10 processors.
  • Make sure that along with a Hard Disk you have an SSD (solid-state drive) disc as the primary drive (at least 256 GB SSD). It loads faster even the biggest projects, so you won’t be disappointed.
  • RAM memory (at least 8GB, but as we like to say “The more, the merrier”. 16 GB, 32 GB, it is totally up to you)
  • Battery life: 10-14 hours would be excellent (you would not want to leave your work undone if you are not able to charge your laptop right away). However, if you go for a workstation grade laptop, then do not get disappointed if it only has enough juice for 4 hours.
  • Comfortable keyboard because obviously you will be typing a lot.
  • The screen size is up to you here. You can get premium laptops like Ultrabooks that are 13.3 inch in screen size or workstation grade laptops that are 17.3” in screen size. 
For programmers that develop more graphically (like creating graphics in games using Unity as engine or 3D modeling), make sure that you have a graphics card that will provide you the best experience. Go for NVIDIA GeForce GTX 1060 minimum or AMD Radeon R9 series graphics card. 

For web programmers, or mobile app developers, you do not need to have a high-end programming laptop. You can go with 4 GB RAM, but since you might open many applications, consider buying an 8 GB memory. If you are not a beginner, then please consider investing in Intel Core i5 at least.


The Operating System Choice Matters

If you are just starting out, you need to first choose the operating system that you want to develop on. The choice depends a lot on how you foresee your future. Do you foresee yourself developing an app for iPhone? If that is the case that you will need to get an Apple Macbook.


There three main operating systems to choose from, namely Windows, Mac, and Linux. They all have pros and cons. There is also a fourth called Chrome OS that you find on budget-friendly Chromebook. Unlike the other three, Chrome OS is entirely cloud based so you don’t need a powerful hardware onboard.  


When searching, it is advisable to read the best laptop for programming reviews before you buy them. Remember that it is a tool that is supposed to facilitate your work and learning. Therefore, choosing one wisely is vital to your success.