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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.

5 Easy Ways you can Turn Artificial Intellgence into a Success


Amongst the analysts like Gartner, Forrester and IDC, Artificial Intelligence dominates their predictions for the future. You may well ask, 'what is artificial intelligence?'. The answer to this question is as under:

What is Artificial Intelligence?
Amongst the analysts like Gartner, Forrester and IDC, Artificial Intelligence dominates their predictions for the future. You may well ask, 'what is artificial intelligence?'. The answer to this question is as under:

"Artificial Intelligence is when a machine starts behaving like a human being" Technologically, machines do not have any intelligence and they just obey the commands given by their masters. However, when machines start displaying natural intelligence, then that is called artificial intelligence. In technical words, 'any machine that judges its environment and takes action to optimize its chance of achieving its goals. Colloquially speaking, when a machine mimics the cognitive functions of a human being, then the machine is said to have artificial intelligence.

Five easy ways in which you can turn Artificial Intelligence into a success
This paragraph will talk about five easy ways artificial intelligence can be made a success. Although analysts predict the future as being full of artificial intelligence, none of the organizations of repute has yet been able to use AI to their advantage. AI is not really a new technology. Inspite of this, only 20% of CIOs report implementing AI in their organizations. Moreover, only 4 percent of organizations in totality have reported successful AI implementation. Why this step-fatherly treatment towards AI? You will be surprised to know that there are hardly any organizations, which have reported successful AI implementations. We can do the following to make AI a success:

a.    Identify competitive advantage
With every new technology that comes into the market, the technology cart gets ahead of the business value horse. However, business value eventually regains its primacy. AI is also similar. The same thing will happen in the case of AI. Gartner has advised CIOs to treat AI as they would do any other new technology and try to derive a competitive advantage out of it. This can be done by achieving a business and IT collaboration to give a competitive advantage to their organization. Thus, in order to make AI implementation a success, organizations need to understand their competitive advantage.

b.    Select the most suitable AI application

The next step is to shortlist the AI applications that will help you get your desired outcome. This is very difficult considering that McKinsey has shortlisted 600 distinct AI applications which can be useful in several industries. Please be aware that AI is not a business panacea. From AI, you need to select five applications, which will help you in your business and then select two to three from them as pilots. From the runs of the pilots, you can single out one application, which you can use further for your business. This should help you meet your business objectives and help you service your customers too.

c.    Procure AI Technology

Next, you need to find the right AI Technology to power your AI application. However, instead of looking for AI technology to power your application, you can latch on to cloud based platforms like Amazon Web Services Machine Learning or Google Cloud AI and Microsoft Azure Machine Learning. These will support your AI application and help you gain a competitive advantage. Further, you do not need to build your own AI application. You can procure software with AI inside. Today, almost all applications embed AI automatically into them to identify data relationships, patterns and recommend visualizations.

d.    Develop AI skills
Impart training to your staff in using AI. When you decide to build an AI application or work with an AI integrated machine, your staff will require to be trained in handling such applications. Encourage them to take up online courses on sites like Udemi, Udacity or edX. This will go a long way in helping them work better. With this training, they will also become more loyal to you as you have trained them in working better. Moreover, they can latch on to community support available on the Artificial Intelligence Forum, where a number of AI users congregate.

e.    Build on your success
Someone has said, "True happiness comes from the joy of deeds done well and the zest of creating things new". Therefore, as soon as you complete your first AI application, try celebrating the occasion. Take the advantages of the AI application to the lowest common denominator of your company. Do this through a case study. You can also use the marketing capability of your AI vendor to impress upon your other employees about AI.  Once you have built more applications using AI, you can always think of patenting your technology. Thus, here you are building on your success and protecting yourself by applying for a patent.

Conclusion
Thus, the promise made in the first paragraph of this article is fulfilled.  Five ways of making your AI a success have been elaborated in the above paragraphs. These ways may be adopted together or bit by bit, the onus rests with you.

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 Java Web Development.

Top 10 WordPress Trends that will Impact your Website in 2018

WordPress is one of the best content management systems in the world. It is used by a large number of people all around the world. So, there is always a great buzz around it. Every year, new WordPress trends come into existence. They affect the way WordPress websites/blogs are created.

In this year, new WordPress trends are rolling out. This is making WordPress Website Development works a little bit complicated. If you are a WordPress developer or website maker, a sound knowledge of the latest WordPress development trends will enable you to make amazing WordPress websites as usual. Let's know the top WordPress trends 2018 that are likely to WP websites.

1.    New Improvements in WordPress Websites


On November 15, 2017, the latest version WordPress (4.9) was released. You can use it to fix and eliminate the errors/loopholes of the version 4.8. With this update, WordPress users can expect improvements in code editing, theme management, plug-in management and simpler settings. It will help WordPress developers and website administrators as it enables them to provide up-to-date, bug-free, and professional WordPress websites for the needy clients in an easy way.

2.    A Sharp Demand for Mobile-First Websites

Mobile-friendly websites have become an essential requirement for all people involved in the web-based business. It is because a large number of people are using different mobile devices for internet browsing compared to the desktop computers. So, if you are a WordPress website developer, focus your attention on creating websites and blogs with a mobile-first approach.

This will help SEO professionals to get their websites ranked well in Google's SERP, help users find the required info on the web through mobile devices, and assist entrepreneurs to grab the huge amount of sales flowing through small screens. You can get mobile-friendly WordPress websites easily by using WordPress development services India.

3.   Websites with Encryption & HTTPS Will Be in Demand

These days, there is a sense of insecurity on the digital landscape. Even the most protected websites are being hacked by cybercriminals. It creates a wave of panic and horror among frequent internet users who use to buy products and services online. Always keep in mind that well-educated and modern tech-savvy people the difference between websites starting with or without HTTPS.

So, you run an E-commerce website with WordPress, or a service-based portal, just encrypt it and attach HTTPS to it. It will let visitors know that your website is safe for use and that sensitive data is protected on your portal.

4.   Extra Emphasis on Micro-interactions

In 2018, you will face Interstitial nervousness on several occasions. Actually, it is a provisional state of stress experienced by users when they communicate with website operators and wait for their reply. This may contribute to customer's vulnerability if they don't get an appropriate reply in a timely fashion. Therefore, all WordPress website designers must create websites with several means of communication for the targeted audience. Attach social media plugins, contact details, opt-in forms, etc. It will help customers extract with you in an easy way and get the solution to their problem instantly.

5.   Increased Demand for SaaS with Auto-renewal feature

These days, hardcore business operators don't have sufficient time to get involved in website maintenance and management work. It is because different responsibilities of the web-based business keep them busy at all the times. So, there will be a great demand for WordPress websites built with Software as a Service (SaaS). It will facilitate the auto-renewal of WordPress websites, themes, and plugins. All this will assist WP website owners to operate their web-based business without worrying about the maintenance part.

6.   Virtual Reality & Augmented Reality for WordPress Websites


Web developers and designers have started to use virtual reality and augmented reality in web development projects. The good thing is that WordPress completely supports the content of virtual reality, video, and images @360 degree. It is anticipated that its use will soar dramatically in 2018.

7.   Video Headers for WordPress

There is no doubt that video content easily grabs the attention of visitors and encourages them to spend more time on websites. In 2018, the video will rule web design up to a great extent. Video headers and backgrounds are gaining immense popularity in web design field and this momentum is likely to escalate further. Fortunately, WordPress offers a number of themes for this purpose. Some excellent options are-


8.    A Great Demand for WordPress E-commerce Websites 

As running a fully-fledged and professional E-commerce website comes at a big price, a good number of individuals use the WordPress CMS to operate small & medium scale E-commerce business. With WordPress, both technical and non-technical individuals can easily operate E-commerce websites without getting worried about the technical issues.

In 2018, more people will use the WordPress platform to operate their E-commerce business. Fortunately, WordPress offers numerous E-commerce plugins & themes. You can use them to create professional, eye-catching, and feature rich E-commerce websites and sell your products to the maximum in an easy way. Offshore WordPress Development India, provided by WordPress development companies, can help you to get a fully-fledged WP E-commerce website without any hassle.

9.    Increased usability of  The Drag & Drop Content 

While developing websites/blogs, web developers have to toil a lot to place content at appropriate places and look into its usability for the targeted audience. In 2018, the use of drag and drop content will increase up to a great extent. It allows web developers to have a complete control over various design elements, customize website/blogs easily, and give amazing websites to clients they dream of.

10.    Increased Use of Parallax design for Single Page Websites

These days, there are many people who prefer one-page websites to attract a large number of customers and increase the number of leads created on a daily basis. For such websites, Parallax scrolling is very useful as it allows visitors to get the required stuff on the single page just by sliding the pages. In 2018, its use is likely to increase up to a great extent.
Final Words

Every year, New WordPress trends appear and old ones vanish. These are the top 10 latest WordPress trends in 2018 that are going to affect the website design and development work throughout the year. Just know these latest WordPress trends very well and create appealing WP websites without any fuss.

Author Bio :
Kerin Miller is a Web Expert, She has a lot of experience in development custom WordPress and Magento Themes. She has delivered an numerous range of quality products related to this. She has a strong passion for writing useful and insights about WordPress tips and tricks.

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.

What Affects your Internet Speed

Fast speed internet has more or less permeated through the country, with the exception of a few areas. But the days of dial up have gone, and with that, the days of extremely ridiculously slow internet speeds.  We subscribe to internet plans with ISPs that compete against each other, so you know you have a choice when choosing an ISP. But when you suddenly notice that your internet speed is getting worse with each passing day, and you don’t suspect your ISP, what other reasons could be the behind your slow internet speeds?

Fast speed internet has more or less permeated through the country, with the exception of a few areas. But the days of dial up have gone, and with that, the days of extremely ridiculously slow internet speeds.
We subscribe to internet plans with ISPs that compete against each other, so you know you have a choice when choosing an ISP. But when you suddenly notice that your internet speed is getting worse with each passing day, and you don’t suspect your ISP, what other reasons could be the behind your slow internet speeds?
This infographic created by BlueGadgetTooth clearly lists out ten possible reasons for your slow internet speed. Ranging from simply upgrading your internet subscription plan, to upgrading your computer to something newer that can handle the loads you place on it, or even just upgrading your wireless router to a newer model that can do the job more efficiently, many times the factors are simple reasons and the solutions to them even simpler still.
Why depend on customer service to provide the fix after endless phone calls, emails and basically hassles to just get a simple answer. With this infographic, you don’t have to wonder why. Go through the list to see the possible culprits behind your slow internet speeds, and hopefully you’ll be able to narrow down the factors to a few.
This will also help you in coming up with a viable solution.
Why go through paragraphs of endless text? I know words start fading into one another, especially when it’s to do with something I know nothing about, but an infographic? This could make me sound super smart when dealing with slow internet speed issues, just by taking ten minutes to skim through it.
Finding the solution to your slow internet speed could never be easier.

How to Convert Byte Array to String in C#

In .NET, a byte is just a number from 0 to 255 (the numbers that can be represented by eight bits). So, a byte array is just an array of the numbers from 0 to255. At a lower level, an array is a contiguous block of memory, and a byte array is just a representation of that memory in 8-bit blocks.

Let's say you have a Byte[] array loaded from a file and you need to convert it to a String.

1. Encoding's GetString
but you won't be able to get the original bytes back if those bytes have non-ASCII characters

byte[] bytes = { 130, 200, 234, 23 }; // A byte array contains non-ASCII (or non-readable) characters
string Enco = Encoding.UTF8.GetString(bytes); 
byte[] decBytes1 = Encoding.UTF8.GetBytes(Enco);  // decBytes1.Length == 10 !!
// decBytes1 not same as bytes
// Using UTF-8 or other Encoding object will get similar results

2. BitConverter.ToString
The output is a "-" delimited string, but there's no .NET built-in method to convert the string back   to byte array.

string Bitconvo = BitConverter.ToString(bytes);   // 82-C8-EA-17
String[] tempAry = Bitconvo.Split('-');
byte[] decBytes2 = new byte[tempAry.Length];
for (int i = 0; i < tempAry.Length; i++)
    decBytes2[i] = Convert.ToByte(tempAry[i], 16);
// decBytes2 same as bytes

3. Convert.ToBase64String
You can easily convert the output string back to byte array by using Convert.FromBase64String.
Note: The output string could contain '+', '/' and '='. If you want to use the string in a URL, you need to explicitly encode it.

string B64 = Convert.ToBase64String(bytes);  
byte[] decByte3 = Convert.FromBase64String(B64);
// decByte3 same as bytes

4. HttpServerUtility.UrlTokenEncode
You can easily convert the output string back to byte array by using HttpServerUtility.UrlTokenDecode. The output string is already URL friendly! The downside is it needs System.Web assembly if your project is not a web project.

string s3 = Convert.ToBase64String(bytes);  // gsjqFw==
byte[] decByte3 = Convert.FromBase64String(s3);
// decByte3 same as bytes

Credits : combo_ci