vasanthk

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

1. Clarify and agree on the scope of the system

• User cases (description of sequences of events that, taken together, lead to a system doing something useful)
  • Who is going to use it?
  • How are they going to use it?

acolyer

Internet Scale Services Checklist

A checklist for designing and developing internet scale services, inspired by James Hamilton's 2007 paper "On Desgining and Deploying Internet-Scale Services."

• http://mvdirona.com/jrh/talksandpapers/jamesrh_lisa.pdf

Basic tenets

• Does the design expect failures to happen regularly and handle them gracefully?
• Have we kept things as simple as possible?

denji

Moved to git-repository: https://github.com/denji/awesome-http-benchmark

Tools

Located in alphabetical order (not prefer)

• ab – slow and single threaded, written in C
• apib – most of the features of ApacheBench (ab), also designed as a more modern replacement, written in C
• autocannon – fast HTTP/1.1 benchmarking tool written in Node.js
• baloo – Expressive end-to-end HTTP API testing made easy, written in Go (golang)

DotNetNerd

class Program
  {
		static void Main(string[] args)
		{
			var grabby = new Grabby();

			string output = grabby.Grab("http://www.dotnetnerd.dk/cv");
			Console.WriteLine(output); 
			File.WriteAllText("c:\\test.html", output);
		}

maximn

tips: {
  // ...
	renderer: function (storeItem, item) {
		if (/* want to hide condition ... */) {
			this.update();
			return;
		}
    // ... the code for regualr tips we want to show
	},
	listeners:

dergachev

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

revolunet

// to capture ALL events use:
Ext.util.Observable.prototype.fireEvent = 
    Ext.util.Observable.prototype.fireEvent.createInterceptor(function() {
        console.log(this.name);
        console.log(arguments);
        return true;
});
 
// to capture events for a particular component:
Ext.util.Observable.capture(