How to automatically force a cache refresh on CSS and JavaScript files with PHP?
There is your client, complaining that they can’t see the changes you just made to their website. You explain them that they need to delete their browser cache in order to properly visualize the modifications. They said they don’t know how, and this is when you lose your patience and decide for a more radical solution. We are developers right? there has to be something easier than explaining the client how to delete their cache. Read on for more.
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In one of my blogs, I was having issues with page loading because the social buttons were locking the page when they were being rendered. This is a serious issue for the visitor, since most of them just want to get to the info quickly. This issue is very noticiable on blogs, where you have dozens of these little buttons spreaded across your index page. Lets see how to fix it. 
I was developing a website where people would place horse bets and the system should be able to calculate all the possible permutations based on the user selection. That means: finding all the possible combinations in a two dimensional array. I found a couple of functions but none of them would keep the array keys intact. So, I came up with this idea after a few gray hairs.
Twitter is great and with it comes great ideas from everywhere. Today, I decided to try a new kind of poll that I really liked and will boost your Twitter mentions a lot. I am talking about Twitter Polls. If you don’t know what it is, keep reading, you will enjoy it.
Google started rolling the +1 button as an experimental version of Google Search. Today, the +1 button is available to everyone and this means that “you” as a webmaster can add the +1 button to your website and let people share on Google your content.
Good news for us developers. Twitter added a new “Follow” button so people can one-click and follow you without leaving your website. It even pops a couple of tweets and some information about your profile!
CodeIgniter lacks of an error handling class for custom errors. The Form Validation class is very nice for forms, the logs are pretty useful as well, but what happens when we need to handle our own errors?. Currently there is no official solution for this so I decided to take the matter in my own hands.
CSS3 is here. All the modern browsers support it, even the infamous Internet Explorer in its 9th version. In this small article we will learn how to alternate row colors in a table, or any other HTML element with pure CSS3. The best part is that you will be able to do it in just 2 lines. No more PHP hacks or JavaScript chunky chunks.
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I know its a bit late, CI 2.0 has been out since January 28th, 2011, but lets talk about it anyway and recapitulate some of the new features of this framework. The new stuff is great, and this time I believe it deserves a second look if you are not much into CI. 