JavaScript optimization Part 1: Adding DOM elements to document

Posted by Dmytro Shteflyuk on under JavaScript

Most web-developers writing tons of JavaScript, especially in our Web 2.0 century. It’s powerful technology, but most browsers has very slow implementation of engine, and everyone at some instant decide to review code and make it faster. In this post I’ll share my experience and explain several tricks how to make your JavaScript as fast as possible.

This is first article in 7 parts tutorial, stay tuned.

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Colorizing console Ruby-script output

Posted by Dmytro Shteflyuk on under Ruby & Rails

Very often I have to implement console scripts (because of my laziness, for boring processes optimization). Many of them write some information to the output, show process status or display results of work. Anyway, it’s very wearisome action to read script output, and I want to highlight most important things: errors in red, successfully finished steps in green color, etc. And it is a case when ANSI escape sequences could help. They are supported by the most terminals, including VT100 (btw, Windows NT family console does not support it, but I will back to this issue later).

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