Very simple implementation of Karplus-Strong algorithm in coffeescript
I’m a bit over excited as I just managed to successfully implement Karplus-Strong’s guitar string algorithm.http://en.wikipedia.org/wiki/Karplus-Strong_string_synthesisThe Wikipedia description was too...
View ArticleSynthesizing music
Please be warned again that this is not my area of expertise. Don’t take anything I say too seriously. At best anything I say it just a reasonable approximation that happens to work for me.I’m assuming...
View Articlebash: mkdir + cd with one command
codedump:function mkcd() { [ -n "$1" ] && mkdir -p "$@" && cd "$1"; }Example:user@host:~$ cd work user@host:~/work$ mkcd website.com/{html,src,stuff} user@host:~/work/website.com/html$
View ArticlePySide + QtQuick Tutorial
PySide + QtQuick Tutorial: I’m just looking around for tutorials, and just found this (haven’t even read it yet, but seeing as its in the official wiki, it’s gotta be good).
View ArticleWebpage titles
I just had this idea. The title of a wepage should try to be as short as possible. Perhaps a 5-letter word.Titles (along with icons) are used to recognize tabs in a multi-tabbed browser. Keep that in...
View ArticleA different kind of writing platform
I’ve been thinking for a long time about building a “writing” platform. But when I try to put it into simple words, it sounds like “oh, yet another blog”. In fact I’ve even written a post before titled...
View ArticleSuperAgent: ajax library without the suck (by visionmedia)
SuperAgent: ajax library without the suck (by visionmedia)
View ArticleSketching helped me avoid getting stuck
For the past couple months, I’ve been feeling stuck. Every time I sit down and try to get something done, I can’t. I find myself “dreading” the thought of going through all the troubles involved...
View ArticleGevent? Coroutines for Flask?
Yesterday I was reading random stuff on the internet, one thing led to another, and I discovered there’s something called “greenlets” in python, which seem to be essentially coroutines of some sort.The...
View ArticleCoroutines vs explicitly async APIs
I’ve expressed before (rather distastefully) an opinion that Node.js is not a good choice for developing web applications, because its async APIs will usually turn your code to a callback hell.Many...
View ArticleKnockout.js vs Backbone.js
What the hell am I talking about? Backbone? Knockout?These are 2 popular javascript frameworks, supposedly designed to help/facilitate the building of rich client application on the web.To me, this...
View ArticleAdding web sockets to Flask apps
This is a walkthrough for integrating push sockets with a Flask app using gevent-socketioI will try my best to make this tutorial short and sweet and to the point. No fluff. Only the bare minimum. I...
View ArticleBack to SQL
For the past year or two I was trying to jump around from one nosql system to another. I was unsatisfied with traditional relational database systems, and looking for something more flexible. My main...
View ArticlesetTimeout for python
In Javascript, there’s a function you can call to execute some function in the future:setTimeout(fn, delayMillis) This will call fn() after delayMillis milliseconds.To get a similar functionality in...
View ArticleExperimental "ajax" library
Lately I’ve been feeling like jQuery is becoming rather obsolete for me.It used be a great library for dom manipulation, but for doing a real interactive UI, knockout.js is much better.It also used to...
View ArticleInteresting hack to create html templates in javascript
Edit: various people pointed out that this trick is non-standard and not guaranteed to work across browsers, for instance, Firefox. So take this only as an interesting hack .. don’t use it in...
View ArticlePython/gevent equivalent for `go func()` in go
In short, it’s gevent.spawnIn go, where you would write:go func(arg1, arg2, arg3) In python/gevent, you would write:gevent.spawn(func, arg1, arg2, arg3) This will spawn a greenlet and schedule it to be...
View ArticleCompeting asynchronous processes
Suppose you have an SPA (single page application) where all link clicks are handled in Javascript, and where the handling of link clicks might potentially involve an asynchronous request.Now imagine...
View ArticleTools for Front End development
Front end development on the web can seem like a big mess. So many different libraries and frameworks.This is my preferred toolset:RequireJS: module systemLoDash: functional programming helpersRSVP.JS:...
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iOS: Custom clickable regions inside attributed text views
Android has ClickableSpan that can be put inside a SpannableString, and you can do whatever you want when the user taps on it.Here’s an example in Kotlin:object : ClickableSpan() { override fun...
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