lai3d

#include <ctime>
#include <iostream>
#include <string>
#include <sstream>

//-----------------------------------------------------------------------------
// Notes:
//  1) You should make full project rebuild during customer build
//  2) Keep error handling simple: just print message to cout and call exit(-1)
//  3) You can customize the number of days in evaluation period:

lai3d

private const int CircleSegmentCount = 64;
private const int CircleVertexCount = CircleSegmentCount + 2;
private const int CircleIndexCount = CircleSegmentCount * 3;

private static Mesh GenerateCircleMesh()
{
    var circle = new Mesh();
    var vertices = new List<Vector3>(CircleVertexCount);
    var indices = new int[CircleIndexCount];
    var segmentWidth = Mathf.PI * 2f / CircleSegmentCount;

lai3d

Videos

• Introduction to Functional Programming Johannes Weiß - https://vimeo.com/100786088
• ReactiveCocoa at MobiDevDay Andrew Sardone - https://vimeo.com/65637501
• The Future Of ReactiveCocoa Justin Spahr-Summers - https://www.youtube.com/watch?v=ICNjRS2X8WM
• Enemy of the State Justin Spahr-Summers - https://www.youtube.com/watch?v=7AqXBuJOJkY
• WWDC 2014 Session 229 - Advanced iOS Application Architecture and Patterns Andy Matuschak - https://developer.apple.com/videos/play/wwdc2014/229/
• Functioning as a Functionalist Andy Matuschak - https://www.youtube.com/watch?v=rJosPrqBqrA
• Controlling Complexity in Swift Andy Matuschak - https://realm.io/news/andy-matuschak-controlling-complexity/

lai3d

lai3d

// Output Android Icons.jsx
// 2012 Todd Linkner
// License: none (public domain)
// v1.0
//
// This script is for Photoshop CS6. It outputs Android icons of the  
// following sizes from a source PSD at least 512px x 512px
//
// store:
//	Icon.png		(512px x 512px)

lai3d

// Photoshop Script to Create iPhone Icons from iTunesArtwork
//
// WARNING!!! In the rare case that there are name collisions, this script will
// overwrite (delete perminently) files in the same folder in which the selected
// iTunesArtwork file is located. Therefore, to be safe, before running the
// script, it's best to make sure the selected iTuensArtwork file is the only
// file in its containing folder.
//
// Copyright (c) 2010 Matt Di Pasquale
// Added tweaks Copyright (c) 2012 by Josh Jones http://www.appsbynight.com

lai3d

// Photoshop Script to Create iPhone Icons from iTunesArtwork
//
// WARNING!!! In the rare case that there are name collisions, this script will
// overwrite (delete perminently) files in the same folder in which the selected
// iTunesArtwork file is located. Therefore, to be safe, before running the
// script, it's best to make sure the selected iTuensArtwork file is the only
// file in its containing folder.
//
// Copyright (c) 2010 Matt Di Pasquale
// Added tweaks Copyright (c) 2012 by Josh Jones http://www.appsbynight.com

lai3d

// Output iOS Icons.jsx
// 2014 Todd Linkner
// 2016 Larry Lai
// License: none (public domain)
// v1.3
//
// This script is for Photoshop CC 2015. It outputs iOS icons of the following 
// sizes from a source 1024px x 1024px PSD
//
// [name]-29.png

lai3d

卤煮刚被web大潮淘汰到ios，当听说写oc要手动释放内存的时候如丧考妣，不过幸运的是ARC来了，妈妈再也不用担心我内存泄漏了。不过根据卤煮多年开发经验，和内存相关的不可能没有坑，开心之余还是得了解下oc是怎么搞内存的。

[TOC]

MRR和retainCount

OC对象都有一个属性 retainCount 表明这个对象还有几个引用， 当retainCount为0， 说明这个对象没人用了，runtime就会回收掉。而所谓的内存泄漏就是明明没人用了，retainCount却不是0，runtime没有回收掉这个对象。

retain and release

lai3d

# Automaticlly install pptpd on Amazon EC2 Amazon Linux
# 
# Ripped from http://blog.diahosting.com/linux-tutorial/pptpd/
# pptpd source rpm packing by it's authors
#
# WARNING:
# first ms-dns setting to 172.16.0.23, 172.16.0.23 was showing on my
# /etc/resolv.conf, I'm not sure this is the same on all Amazon AWS zones.
#
# You need to adjust your "Security Groups" which you are using too.