JonDouglas

Approaching a Xamarin.Android Bindings Case

1. Investigation

One of the best ways to investigate a problematic Xamarin.Android Binding is to first ensure you have the proper tooling available:

• Diagnostic MSBuild Output Enabled(Instructions)
• Java Decompiler(http://jd.benow.ca/)
• .NET Decompiler(https://www.jetbrains.com/decompiler/)
• Binding SDK Documentation

aloisdeniel

public static void Fade (this UIView view, bool isIn, double duration = 0.3, Action onFinished = null)
{
	var minAlpha = (nfloat)0.0f;
	var maxAlpha = (nfloat)1.0f;

	view.Alpha = isIn ? minAlpha : maxAlpha;
	view.Transform = CGAffineTransform.MakeIdentity ();
	UIView.Animate (duration, 0, UIViewAnimationOptions.CurveEaseInOut,
		() => {
			view.Alpha = isIn ? maxAlpha : minAlpha;

jdx

'use strict';
var numCpus = require('os').cpus().length
var cluster = require('cluster')

cluster.setupMaster({exec: __dirname + '/server.js'})

// workerIds returns the node cluster index for each worker
function workerIds() { return Object.keys(cluster.workers) }

// Gets the count of active workers

denji

Moved to git repository: https://github.com/denji/nginx-tuning

NGINX Tuning For Best Performance

For this configuration you can use web server you like, i decided, because i work mostly with it to use nginx.

Generally, properly configured nginx can handle up to 400K to 500K requests per second (clustered), most what i saw is 50K to 80K (non-clustered) requests per second and 30% CPU load, course, this was 2 x Intel Xeon with HyperThreading enabled, but it can work without problem on slower machines.

You must understand that this config is used in testing environment and not in production so you will need to find a way to implement most of those features best possible for your servers.

olivierlacan

Screencasting Framework

The following document is a written account of the Code School screencasting framework. It should be used as a reference of the accompanying screencast on the topic.

Why you should care about screencasting?

You're probably aren't going to take the time to read this document if you're not interested, but there are a lot of nice side effects caused by learning how to create quality screencasts.

1. Communicating more effectively - At Envy Labs we produce screencasts for our clients all the time. Whether it's demoing a new feature or for a presentation for an invester, they're often much more effective and pleasent than a phone call or screen sharing.

thinkerbot

#!/bin/bash
#
# Public-Key Encryption and Decryption
# * http://www.openssl.org/
# * http://barelyenough.org/blog/2008/04/fun-with-public-keys/
#
# Mac OS X 10.6.4
# OpenSSL 0.9.8l 5 Nov 2009

# Generate keys