TechChange

coolest stuffs around the cyberworld

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How to setup large file downloads with PHP w/o hogging your servers memory

Whether you are trying to secure a set of files so that it can be only accessed when a certain condition are met, or it was just a plain “download counter” feature in your site, PHP developers often resorts to this type of code:

Well for basic stuffs like small images, that works.

But let’s say you have a download link for a 10 Gigabyte 1080p video file… uhm

Yes, you will certainly hit the…

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Setting up an isolated LAMP development environment with Vagrant, Github and Composer

Whether you are working in multiple projects which requires complete isolation of data, codes and credentials or just merely wanted to separate your “personal” dev environment into your “work” dev environment, Vagrant is very useful in this process.

Usually, the first thing you are doing when you have a new pc/mac are these steps:

Install WAMP/LAMP/MAMP/XAMP

Setup any other PHP/Apache Extensions…

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Why Test Driven Development is faster and produces more reliable code

Usually, when a team/person is building a website or web application, the usual process is a Top-down design. Means you start with the initial specs and work your way through the process making sure every piece of code is written in accordance to the “plan”.

What an elegant process isn’t it? But as we will see lately why, Top-down process doesn’t makes sense in many real-world scenarios when you…

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Understanding the 3-Tree Architecture of Git

Git has taken the programming community by storm. Hundreds of thousands of organizations and…

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Getting Started with AutoWebShot

AutoWebShot is a free service to capture screenshots of any website.  There are many situations…

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How to process very huge amount of data

Have you ever wondered how Facebook or Google processes the enormously huge amount of data it have?…

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Use Ioncube HTML Encoder to CodeIgniter

If you want to obfuscate your HTML markup and you want to use the Ioncube’s HTML encoder, this is a…

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Creating 3D dynamic Presentations using Prezi

We are used to presentations where there are slides that you can hit the next/previous button to…

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Chat History Isn't Saving for Trillian Pro

For Trillian users who is subscribed to Pro version, one of the most selling point is the ability…

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How to broadcast live video stream on Internet for free

Are you currently shooting a live video that you want other people to see in real-time? Whether you…

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Top Screen sharing tools

1. Join.me Pros: doesn’t requires an account, supports remote access, supports multi-user Cons:…

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Generate web page screenshot via script

For us web developers, screenshots is the best way to point out some layout issues, demonstrate a…

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Creating small inline charts in your web pages

If you are using WordPress, you might notice this cute little graph in top toolbar of your…

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How to test your website design for color-blinded people

Have you experienced of someone telling you that your choice of color is awful? That you website…

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Eden PHP Library - a taste of php paradise

Commonly, the first impression when you hear a new PHP library or framework, you’ll think it is…

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Disallowed Key Characters in CodeIgniter

If you are a PHP developer doing some projects using the CodeIgniter Framework, chances are you had…

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Log user's clicks without slowing the website

It is a common practice for websites to log clicks of a particular area or web page element to know…

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