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  A plugin to update last_error in Delayed Job

delayed_job is a process based asynchronous task processing gem which can be ran at background. It will fork the specified number of processes to execute the tasks asynchronously. The task status is usually stored in the database so that it can be easily integrated into a Rails application where asynchronous job execution is desired. Normally when a job fails to execute or error occurs, it would save the error into the database with the column last_error. Ideally all these will be handled b...

   RUBY,RUBY ON RAILS,DELAYED JOB,LAST_ERROR     2017-11-18 13:05:49

  Diving Deeper into HTML5 Offline Browsing

Recently, I published an article on one of the new features in HTML 5 called Offline Browsing  in HTML5 with ApplicationCache.The response to that article was good, and I was asked to expand on some further points including:how to decide on what files to cachethe implications of caching those filesdebugging the ApplicationCacheSo, that’s where this article will start: where the last one finished.  If you haven’t, you should probably read the previous article before this o...

   HTML5,Offline browsing,New breakthrough,Feature     2011-12-20 08:46:06

  On Programming Deadlines

There are a lot of differences between programming, and programming professionally. The most notorious of which, is deadlines.DeadlinesWhen you're writing code for yourself, you can spend as much (or as little time) on it as you please--but when you're writing code for other people, you've got only a limited amount of time and resources to get the job done. In my experience, this typically leads to one of two situations:You've got to extend the deadline to finish the job properly.You've got to w...

   Programming,Deadline,Transparent,Test,TODO     2011-11-01 07:10:21

  Image lazy loading plugins on Github

Image lazy loading is a concept where images are getting loaded only when needed. It has been adopted in many web applications to reduce usage of bandwidth. When a web page is loaded in a web browser, not all the page elements would be visible in the view port, hence those resources(images, videos etc) don't need to be loaded.  Currently there are quite a few open source plugins on Github which can help achieve image lazy loading. Today we will introduce a few of them. Echo.js Echo.js is a ...

   JAVASCRIPT,OPEN SOURCE,WEB DEVELOPMENT,IMAGE LOADING     2017-04-22 01:16:04

  Setting server timezone

To set your web servers date timezone, for example for Eastern Standard Time (EST) use the following code:SetEnv TZ America/IndianapolisFor example, for Los Angeles time (Pacific time), use the following code:SetEnv TZ America/Los_AngelesOther location examples include:America/New_York - Eastern Time America/Detroit - Eastern Time - Michigan (most locations) America/Louisville - Eastern Time (Louisville, Kentucky) America/Indianapolis - Eastern Standard Time (Indiana, most locatio...

   .htaccess,Server,Time zone,Change     2011-10-03 14:45:33

  Java 9 release is delayed again

The original Java 9 planned release date is March 2017. But latest source shows that Java 9 release will be delayed again to July 2017. It's four months later than the planned date. Oracle Chief Architect of Java Platform group Mark Reinhold proposes this new release date in a message sent on the OpenJDK mailing list.  Despite this progress, at this point it's clear that Jigsaw needs more time. We recently received critical feedback that motivated a redesign of the module ...

   JAVA,RELEASE DATE,JAVA 9,JAVA 9 DELAY     2016-09-26 12:22:53

  The header element in HTML 5

Currently HTML5 is exciting and anyone who want to builds web pages is looking forward to implementing HTML5 new tags into their sites. Definitely HTML5 tags are very rich in functions that make life much easier for both webmasters and end users Within the HTML5 specfication we can see that there have been a significant number of new tags added, one of these the <header> element is what we’ll be covering here. We will talk about when to use it, when not to use it. As we ar...

   HTML5,Header     2012-05-03 09:12:58

  Making Sites Shine with @font-face

Like many of my web designer brethren, I’m a bit of a typographic geek. And like many web designers, I’ve been frustrated (to say the least) about the historical state of web typography.At first, we were limited to a common, but very small set of “web safe” fonts. Anything beyond those fonts, we had to rely on images. Images for text not only meant we had to create and maintain dozens (if not hundreds) of images, but it introduced accessibility issue...

   HTML,Font face,Font family,Demo,Example     2011-08-19 08:16:29

  YOU'RE A DEVELOPER, SO WHY DO YOU WORK FOR SOMEONE ELSE?

As a developer, you are sitting on a goldmine. Do you even realize it? No, seriously, a @#$% goldmine!Never in modern history has it been so easy to create something from scratch, with little or no capital and a marketing model that is limited only by your imagination.Think about the biggest websites you visit or use on a regular basis: Facebook, Twitter, Flickr, Foursquare, or even Google for that matter -- all of them were created by developers who created something from little more than an id...

   Developer,Work,Startup,Money,Idea,Time     2011-11-06 14:35:48

  Circumventing browser connection limits for fun and profit

A few days ago, this video hosted by metacafe popped up on digg, explaining how to increase site download times by tweaking your browser settings to increase connection parallelism. To explain why this works, let’s step back a bit to discuss how browsers manage server connections. In building any application, developers are often required to make ‘utilitarian’ choices. Pretentiously paraphrasing Jeremy Bentham, ‘utilitarian’ describes an approach that â...

   HTTP,Concurrent connection limit,Solution,AJAX     2011-12-14 13:01:02