Dependency Injection in PHP
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Dependency Injection in PHP | Nettuts+
Dependency injection has been a frequent subject of discussion among many corporate developers in the past few years. Many feared that they might sacrifice too much time building their application architecture without doing any real work. In this article, I’ll explain why PHP developers should consider taking advantage of dependency injection, when building large, scalable projects.

Adminer - Database management in single PHP file
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Adminer - Database management in single PHP file
Adminer (formerly phpMinAdmin) is a full-featured database management tool written in PHP. Conversely to phpMyAdmin, it consist of a single file ready to deploy to the target server. Adminer is available for MySQL, PostgreSQL, SQLite, MS SQL and Oracle.

Theme Review: Digging Into Twenty Eleven
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Theme Review: Digging Into Twenty Eleven - Theme.fm
We’ll talk a little bit about post formats, layouts, color schemes and the theme options. We’ll then dive into the code of Twenty Eleven and see how the theme development guidelines have changed since last year’s Twenty Ten.

Very good in-depth analysis of the default wordpress template and the ways to modify it.
Smoothing with Holt-Winter
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Smoothing with Holt-Winter - PHP/ir
In one of his talks at QCon, John Allspaw mentioned using Holt-Winter exponential smoothing on various monitoring instances. Wikipedia has a good entry on the subject, of course, but the basic idea is to take a noisy/spikey time series and smooth it out, so that unexpected changes will stand out even more. That's often initially done by taking a moving average, so say averaging the last 7 days of data and using that as the current day's value. More complicated schemes weight that average, so that the older data contributes less.

PHP 5.4 is Here! What You Must Know
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PHP 5.4 is Here! What You Must Know | Nettuts+
PHP 5.4 is here; the next major step forward since version 5.3 – keeping PHP 6 (full Unicode support) on hold for now. The latest enhancements significantly improve its elegance, while removing deprecated functionality, resulting in a dramatic optimization of the runtime (up to 20% more speed and memory usage reduction).

TNW-Social-Count
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thenextweb/TNW-Social-Count - GitHub
TNW Social Count is a WordPress plugin that solves the problem of social sharing the proper way. No more third-party scripts that slow down your site and ugly buttons that clutter your design. The plugin has two parts: The backend part saves the number of Twitter retweets, Facebook likes, Google Plus and LinkedIn shares as post_meta information. The frontend part renders a share button on the same fashion as on The Next Web blog.

PDO vs. MySQLi: Which Should You Use?
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PDO vs. MySQLi: Which Should You Use? | Nettuts+
When accessing a database in PHP, we have two choices: MySQLi and PDO. So what should you know before choosing one? The differences, database support, stability, and performance concerns will be outlined in this article.

Five more PHP design patterns
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Five more PHP design patterns
Using design patterns in your PHP code is one way to make your code more readable and maintainable. By using established patterns, you benefit from common design constructs that allow other developers on a team to understand your code's purpose. It also allows you to benefit from the work done by other designers, so you don't have to learn the hard lessons of design ideas that don't work out.

Adaptive Images in HTML
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Adaptive Images in HTML
A drop-in solution that automatically creates, caches, and delivers device-appropriate versions of your website’s images. No mark-up changes needed. Adaptive Images is intended for use with Responsive Designs and to be combined with Fluid Image techniques.

Debugging PHPUnit Tests in NetBeans with XDebug
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Debugging PHPUnit Tests in NetBeans with XDebug « Rafael Dohms
So debugging in a browser is a piece of cake in most IDEs like NetBeans and Zend Studio and so forth, but debugging your tests that are running on the command line take a few more cards up your sleeve. So this is how i configured my NetBeans IDE and my PHPUnit tests to communicate and let me debug what happens inside that crazy world.