songzhou21

swift_targets_map = {
    "Charts" => "4.1"
}

post_install do |installer|
  installer.pods_project.targets.each do |target|
    target.build_configurations.each do |config|
        version = swift_targets_map[target.name]
        if version
            puts "#{target} using Swift #{version}"

songzhou21

//
//  PlusOne.m
//  test
//
//  Created by Song Zhou on 08/05/2017.
//  Copyright © 2017 Song Zhou. All rights reserved.
//

#import "PlusOne.h"

songzhou21

<?PHP
	require '/path/to/markdown-extra.php';

	$db = mysql_connect('localhost', 'root', 'password') or die(mysql_error());
	mysql_select_db('tylerio', $db) or die(mysql_error());

	$files = scandir('posts');
	array_shift($files); // .
	array_shift($files); // ..

songzhou21

private let pngHeader: [UInt8] = [0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A]
private let jpgHeaderSOI: [UInt8] = [0xFF, 0xD8]
private let jpgHeaderIF: [UInt8] = [0xFF]
private let gifHeader: [UInt8] = [0x47, 0x49, 0x46]

// MARK: - Image format
enum ImageFormat {
    case Unknown, PNG, JPEG, GIF
}

songzhou21

#import <CommonCrypto/CommonCrypto.h>
@interface NSString (md5)

- (NSString *)md5;

@end

@implementation NSString (md5)

- (NSString *)md5

songzhou21

#!/bin/bash

# before commit, run this script will set build number to recent SVN revision number
# run this script in project directory
echo "Update build number"
echo "get revision number from SVN..."
svn_info=$(svn info -r 'HEAD')
if [[ $? != 0 ]]; then
    exit $?
fi

songzhou21

//
//  CLLocation+Sino.h
//
//  Created by i0xbean@gmail.com on 13-4-26.
//  火星坐标系转换扩展
//
//  earth（国外 WGS84）, mars（国内 GCJ-02）, bearPaw（百度 BD-09） 坐标系间相互转换
//  未包含 mars2earth. 需要这个可参考 http://xcodev.com/131.html

#import <CoreLocation/CoreLocation.h>

songzhou21

void Swizzle(Class c, SEL orig, SEL new) {  
  Method origMethod = class_getInstanceMethod(c, orig);
  Method newMethod = class_getInstanceMethod(c, new);
  if (class_addMethod(c, orig, method_getImplementation(newMethod), method_getTypeEncoding(newMethod))){
    class_replaceMethod(c, new, method_getImplementation(origMethod), method_getTypeEncoding(origMethod));
  } else {
    method_exchangeImplementations(origMethod, newMethod);
  }
}

songzhou21

static const int target_key;  
@implementation UIGestureRecognizer (Block)

+(instancetype)nvm_gestureRecognizerWithActionBlock:(NVMGestureBlock)block {
  return [[self alloc]initWithActionBlock:block];
}

- (instancetype)initWithActionBlock:(NVMGestureBlock)block {
  self = [self init];
  [self addActionBlock:block];

songzhou21

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

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