Read the complete tutorial!

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To learn more about how code.google.com has come alive over the past five years, check out our post on the Google Code Blog.

From: The Google Blog

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Click here to see the complete article.

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PHP Tricks For Beginners
In the Web 2.0 era, sites are all about the user – where they’re from, what they like, what they ate for breakfast. This means the best sites now include content tailored to users, and one way to do that is through the use of PHP. These simple tricks won’t set the world on fire, but they’re a peek into the possibilities of PHP.

Image generation in PHP using WPF
hp provides a number of graphical functions, but none is capable of creating rounded corners an gradients with ease. Everything has to be done by hand. WPF on the other hand uses xaml which supports everything you can think of in modern vector graphics design. Using a .NET assembly that takes a string of xaml and returns a PNG image would be the best in this case.

PHP multithreading using cURL
If you wanna get some information from servers using the protocols like http or ftp in PHP you can use cURL to do multithreading. Multithreading is a term used when we do more jobs in parallel. First I assume you know what cURL is and what you can it. If you are new to cURL, you can check one of my article on posting data with cURL , it will give you a brief intro to cURL.

Create a TinyURL with PHP
TinyURL is an awesome service. For those who don’t know what TinyURL is, TinyURL allows you to take a long URL like “http://davidwalsh.name/jquery-link-nudging” and turn it into “http://tinyurl.com/67c4se”. Using the PHP and TinyURL API, you can create these tiny URLs on the fly!

PHP performance: error suppression
A common misconception in the PHP community is that the @ operator is slow. It’s not. The real culprit is the generated error itself.

Communicating with Flex and PHP over Sockets
There are a number of ways to communicate between Flex and PHP but one of the more interesting is over sockets. Socket communication lets developers create near real-time communication by pushing information directly to the client. In this article you’ll see the basics of how to use PHP as the socket server and connect it to a Flex application.

Two ways to test for prime numbers in PHP: Sieve and File
n PHP is really no ideal way to test large integers and determine whether they are prime numbers or not. The most popular algorithm for finding prime numbers is a memory and resource hog. It is called The Sieve of Eratosthenes. Besides the Sieve I also implemented a prime number test by initializing an array of prime numbers from a file that contains the first 100,000 prime numbers. This is of course much faster, but would require files that contain all prime numbers up to a specific large number. The files of course could be partitioned, which would also increase performance.

PHP compiler performance
With the release of Facebook HipHop PHP compiler, the matters of performance of PHP compilers and runtime engines gained special relevance. This article presents a performance comparison of between different PHP compilers and runtime PHP execution engines, so we can evaluate what is the best solution that can be used in different PHP environments.

MongoDB and PHP – A Quick Look at GridFS
About 2 months ago we (LightCube Solutions) decided to install and mess around with MongoDB. We went from messing around to serious adoption about 2 weeks ago when we realized the power of working with it and PHP. It was Mitch Pirtle that first pointed us in this direction. Mitch was very enthusiastic about Mongo as he explained the great potential. Yet, it was only until I added an array of data from PHP into Mongo that my eyes started to open up.

Converting and optimizing SQL Statements
Now it became time to conveert some SQL statements. Even though many SELECT SQL statements will run unchanged in MYSQL it might be wise to check and see if they are performing well. There are some differences in how VFP and MYSQL optimize queries and a query that just performs great in VFP might be very slow in MYSQL. And then there are some cases where we have to replace things that are possible in VFP but not supported in MYSQL.

Mysql Tutorial – create table in database
If you are a learner (new) in PHP / Mysql and don’t know how to create table in Mysql database from php file than Here is the easiest and error-free way to create table in Mysql database. see more with an example..

8 basics of regular expression that can make you expert
Well, regular expressions have been something that I was scared of when I started coding as a serious stuff

Five Fabulous PHP Frameworks
Today’s web developer must be well-equipped in order to fully harness the enormous horsepower and features at his disposal, not to mention satisfy the tastes of an increasingly finicky user. While taking advantage of a powerful development environment such as NetBeans or PDT certainly helps, it’s also imperative to embrace sound practices that ensure high quality, testable code written with a minimum investment of time and effort.

What’s the Right Way to Prevent SQL Injection in PHP Scripts?
How to prevent SQL injection in PHP scripts is probably a topic that doesn’t need anything more written about it.

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• A “Unix timestamp” or “epoch” refers to the number of seconds since 1970-01-01 00:00:00 UTC. (i.e. a point in time in one specific timezone.) A Unix timestamp is never timezone-specific; if you call time() at the same moment on computers in different time zones, you get exactly the same value back.
• mktime/gmmktime – Passed a number of arguments (day, month, year, etc.), returns a Unix timestamp. mktime interprets its arguments as representing a local time, whilst gmmktime interprets its arguments as a time in the time zone UTC. (That is, given the same input gmmktime returns the same results everywhere; mktime returns timezone-specific results.) Note that in this case, the gm- prefix affects how the input is interpreted.
• strftime/gmstrftime – Passed a Unix timestamp and format string, and returns a string. In strftime‘s case, the string is the time according to the current timezone, whilst gmstrftime returns the time in the UTC timezone. (Given the same input, gmstrftime returns the same time in all timezones (though not necessarily the same string–the actual string may be different if the locale is different) whilst strftime returns timezone-specific results.) Note that in this case, the gm- prefix affects the output string.
• strptime – Inverse of strftime/gmstrftime: passed a time string and a format string, and returns an array representing the local time. (This not a great return value; it would have been better to return a Unix timestamp.) The time string is interpreted as a local time; there is no gm- equivalent, or even any way to simulate one, since it ignores the value of date_default_timezone_set. Note that you can impose a timezone on the input string if it contains a timezone abbreviation or offset (e.g. Sun 26 Apr 2009 21:50:35 BST) which the format string reads with %z or %Z.
• date/gmdate – Passed a Unix timestamp and a format string, returns a string. As with strftime/gmstrftime, the gm- prefix affects whether the result is a representation of the time in the current timezone or in the UTC timezone. Note that the format string is completely different to that of strftime/gmstrftime! (One reason to use this set of functions is for the useful date format constants.) There is no inverse of this function.
• strtotime – Passed a string in “US English date format”, and returns a Unix timestamp. Note that there is no way to override the US date format! strtotime ("03/04/2008") is the 4th of March 2008. Note that this function will parse relative times, like tomorrow and next monday; this is about the only reason to use it.
• How does PHP know what your current timezone is? It tries a few different places, including the TZ environment variable and the date.timezone ini option. (See date_default_timezone_get for more information.)

Thanks to: iBuildings

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MS Word And Excel
This class can be used to serve Word and Excel files as HTML.
It can generate HTML output with content type headers that identify it as Microsoft Word or Excel files.

Script Alone
This class can be used to manage the execution of PHP daemon scripts.
It can store in control file the state of the currently running script.
The class can check that file to see if an instance of the script is already running to prevent that more than one instance of the script is being executed.
It can also check if another control file exists as a flag indicating that another script instructed the current instance to stop and exit.

Gettable
This class can be used to make accessible private and protected variables.
It is an abstract class that provides access to retrieve values of private and protected variables while preventing to change those variables values.
Variables with names that start with an underscore still cannot be accessed from outside the class.

Simple Pagination Class
This class can be used to show links to browse MySQL results split in page.
It takes a MySQL query string and the number of page currently being browsed and generates HTML links to browse the other pages of the query results listing.
The templates of the HTML links and the base link URL are configurable parameters.

FTP best Class
This class can be used to send and receive files from FTP servers.
It can connect to a given FTP server, upload files to a destination directory, download files to local directory, create directories and sub-directories, change the current directory and list the files in a directory.

File Helper
This class can be used to read and write data in files.

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Triggering Cascading Updates and Deletions with Foreign Key Constraints
Cool article how to create cascading updates and deletions on your MySQL database using key constraints.

Create Pivot Tables in PHP
Tutorial on how you can use PHP to create Pivot Tables.

Working in the Method Scope with Static Variables in PHP 5 Classes
Despite their name, static properties can help in a wide variety of situations. If you’re not using them currently, and you regularly implement design patterns in your code, after reading this series you’ll wonder how you ever did without them.

PHP mistakes, misconceptions, bad practices and blatant no nos.
Go to any PHP help forum and you’ll be sure to see many bad practises, innocent misconceptions and blatant no nos. None of us are perfect and none of us started off writing great code. We have all had that moment where we looked back on a script that we wrote years ago and thought “what the hell was I thinking?”. But it is a process. You make mistakes, you learn from those mistakes and then you move on.

Practical Php Patterns: Composite
One of the most important structural patterns is the Composite one: its goal is managing a hierarchy of objects where both leaf objects and composition of other objects conform to a common interface. This hierarchy is usually constituted by part-whole relationships (often composition in the strict sense or aggregation), and it can be viewed as a tree.

Relationships between objects
Clear article where relationships between objects are explained.

Implementing Factory Methods in PHP 5
If you’ve ever developed desktop applications using mature object-oriented languages like C++ and Java, then it’s possible that you’ve found yourself saying a few funny phrases such as “I need to implement a factory method within this class,” or in the worst case: “this class needs to implement a factory method, but I don’t have a single clue about how to do that.” Surprisingly, you can implement these factory methods pretty quickly and easily in PHP 5.

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Create Sticky Notes with jQuery
Cool tutorial on how to make a Sticky Notes with jQuery!

10 ways to animate your hyperlinks using jQuery
Make the animation of your hyperlinks sexier using jQuery!

37 great jQuery plugins
Great collection of jquery plugins!

Creating a drop down menu with jQuery
Create your own drop down menu for your website or application using jQuery.

Have any suggestions? Let me know in the comments!

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HTML5 Tabs: a first touch
A quick article on how to use HTML5 to create tabs in your layout!

25 Creative 404 Error Page Designs
The design of 404 error pages is one of those things that is often forgotten when building a new site. These pages, however, can serve a useful purpose and if implemented properly can actually help to keep visitors on your site.

10 programming languages worth checking out
If you program for fun or profit, chances are that you know C, C++, Java, PHP, Perl, Python or Ruby. These programming languages are all widely known, and, to a different degree, used in commercial applications. At least some of them can safely be considered mainstream, even if that word has become so overused and misused that has almost lost its original meaning, if it ever had one.

HTML5 Could Be the OS Killer
For companies that compete with Microsoft, HTML5 is almost the Holy Grail, offering the ability to run applications regardless of the underlying operating system. While the browser isn’t more important than operating system today, Google this week firmly suggested it is only a matter of time.

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