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I’m Dmitry Sheiko, a web developer, open source contributor. My specialization is .

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31 May 2010 Another new approach for server-to-client communication. Apparently it's gonna be soon a lot of extremely alive applications. Follow the link
26 May 2010 Apparently Cross-Origin Resource Sharing (CORS) or Cross-Domain AJAX is now implemented in most of browsers. Here are some code snippets and demo by Arun of Mozilla. Follow the link
25 May 2010 WebM video standard is now free and open code. Google has signed up software firms including Adobe--which makes Flash--and Skype, which offers online video communications, as well as chipmakers including AMD, ARM, and Texas Instruments to its WebM project. Adobe will distribute WebM codecs in future versions of its Flash plug-in, while trial versions of the Firefox, Opera, and Chrome browsers are now available with WebM built in. Follow the link
Building a site on Drupal using MVC PHP: How to Posted 01 July 2010

If you ought to build a new site and don’t have time to develop a CMS, you’ll likely take an open source solution. And likely it will be Joomla or Drupal. They seem as most popular. Actually they are similar in many ways. Both provide basic content management frameworks, extensible through plug-ins and customizable via themes. Both focused on block-designed sites which can be often built without any programming at all, just using downloaded theme and configurable set of extensions. So it’s personal what to choose. I prefer Drupal. Its component model seems clearer to me. The documentation is much more explicit then Joomla’s and gallery of ready-to-use modules is really impressive.


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MVC on command line PHP: Zend Framework Posted 15 June 2010

If you work with Zend Framework, you likely tried ZF Console (Zend_Tool on command line). But have you tried to extend it? Why? To have common interface for all your Cli-scripts related to ZF-base project. How do you find the idea to program Cli-scripts in MVC? Zend Framework provides us with the tool to do it.


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HTML5 and Server-Sent Events HTML5 Posted 10 June 2010

Besides, already noted bidirectional communication channel, known as WebSocket, HTML5 propositions include also comet communication pattern by defining Server-Sent Events (SSE). WebSocket widely discussed by now, tons of server implementations are available and you can play already with fluent browser implementation under Chrome. However the second server-push technology of HTML5 yet stays in shadow.

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YUI3 vs jQuery JavaScript Posted 28 May 2010

Everybody time to time comes to the dilemma which JS library to choose for further development. I used to work with prototype coupled with script.aculo.us and now use YUI3 in the office and jQuery at home. I like both of them, though finding each as the best one 'sui generis'. YUI3 is a classical framework that provides design patterns and development philosophy as well as tool. jQuery is meant as a rapid, lightweight, flexible and pretty easy to start library. It's like Ruby on Rails and Python. Ruby and Python as languages are comparable (conceptual elegance against explicit consistency) and you will find APIs of both YUI3 and jQuery are quite similar.

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i18n for Dynamic UI JavaScript: YUI3 Posted 28 May 2010

Since YUI 3.1 version, the framework includes internationalizing utility. That’s pretty huge from the prospective of application maintenance and deserves a little review.


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Error Handling for Your PHP Application PHP: How to Posted 26 May 2010

However fondly you treat your application, errors happen and they happen often when it is being developed. That’s obvious you want to get all the tracing information during the development stage and something like ‘Application Error’ page if the error occurs on the production.

Everybody knows error handler can be set in PHP through set_error_handler. The same about exceptions for which set_exception_handler is used. But it really works only for user-defined errors and uncaught exceptions. It doesn’t affect any of fatal error for instance. Well, PHP has such stuff as register_shutdown_function to deal with them. We can create ErrorHandler class and subscribe the handlers in the beginning of the script

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Anonymous Functions and Closures in PHP PHP: Language Posted 21 May 2010

If you are used to switch between JS and PHP programming, it obviously happened to you to miss some of JS flexibility in PHP. I felt it every time when declaring a callback function , being eager to apply something from JS like that...

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Source Code Analysis: Code Sniffer PHP: How to Posted 20 May 2010

In the previous article we examined the only way of code analysis – PHP tokinizer. But digging deeper you’ll find many of options. Well-known expert of the subject Sebasitan Bergmann points out following.

As far as you see, with such a set of tools you can do whatever you want. But here we are going to discuss the only application, which is known as code sniffing.

Ok, you have some team, working on the projects and, obviously, you have some code convention to adhere. The lead, making code review, checks the compliance with standards by sight. Common, tell me you are not fond of it. There is an amazing tool but again by Sebastian Bergmann so-called PHP CodeSniffer.

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Image Slider: Comparing JS, JQuery and YUI3 Implementations JavaScript Posted 14 May 2010

First I decided rewrite my old BlogSlideShow JS-class. In fact I have a plan to rewrite all of my old works gaining to update functionally and appearance regarding to nowadays fashion and make better their code. So, after I finished with implementation on fluent JS, without use of any external library I ported it on jQuery. After that I wrote also implementation on YUI3. I’m fond of both those frameworks and found that is a good practice top have the same task solved thrice in different ways. So here is my observations experienced the task.

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Source Code Analysis: Translation Coverage PHP: How to Posted 10 May 2010

Let’s assume our application has a UI translation module. We created dictionary and use terms from there within the code of application components. Everything is clear so far. But one day we begin to suspect that not all of the terms presented in the dictionary are really used within the application. Besides, probably some of terms which are used in components are not available in the dictionary. So we need a script to traverse all the source code files searching translation module use occurrences. Having the list of all encountered terms the script can compare it with the terms of the dictionary.


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