0oneo

NSArray *images = @[@"http://example.com/image1.png",
                 @"http://example.com/image2.png",
                 @"http://example.com/image3.png",
                 @"http://example.com/image4.png"];
 
dispatch_queue_t imageQueue = dispatch_queue_create("Image Queue",NULL);
 
for (NSString *urlString in images) {
    dispatch_async(imageQueue, ^{
 

0oneo

// pls check http://t.cn/z8ncg24
[CATransaction begin];
[CATransaction setCompletionBlock:^{
    [weakself.tableView reloadData];
}];
[weakself.tableView beginUpdates];
[weakself.tableView deleteSections:indexSet withRowAnimation:UITableViewRowAnimationFade];
[weakself.tableView endUpdates];

[CATransaction commit];

0oneo

// test code that generate the error
for (int i = 0; i < 1000; i++) {
    NSDate *date= [NSDate date];
    NSString *queueName = [NSString stringWithFormat:@"queue%i", i];
    dispatch_queue_t testqueue = dispatch_queue_create([queueName cStringUsingEncoding:NSUTF8StringEncoding], NULL);
    dispatch_async(testqueue, ^{
        NSDateFormatter *ndf = [BXAppDelegate dateFormatter];
        DDLogInfo(@"%@", [ndf stringFromDate:date]);
    });
}

0oneo

UIImage *image = [UIImage imageNamed:@"name.png"];
view.layer.contents = (id) image.CGImage;
    // 如果需要背景透明加上下面这句
view.layer.backgroundColor = [UIColor clearColor].CGColor;

0oneo

 /*
 * armv7sconvert <infile> <outfile>
 * Switches CPU subsystem type to armv7s
 *
 * By Matt Galloway - http://www.galloway.me.uk/2012/09/hacking-up-an-armv7s-library/
 * 
 * Based on g3spot.c from http://redbutton.sourceforge.net (c) Simon Kilvington, 2009
 */

#include <stdio.h>

0oneo

#!/bin/bash
directoryName="$1"
extension="$2"

regex='.+'
if ! [[ $extension =~ $regex ]]; then
	echo "Usage: changeExtension directory newExtension";
	exit 1;
fi

0oneo

import re
import urllib2

s = urllib2.urlopen("https://developer.apple.com/videos/wwdc/2014/").read()

match = re.findall(r'http://devstreaming.apple.com/[\w/\d\.-]+hd[\w/\d\.]+mov\?dl=1', s)

print '\n'.join(match)

0oneo

@interface ViewController ()
@property (strong, nonatomic) UIScrollView* vScrollView;
@end

@implementation ViewController

- (void)viewDidLoad
{
  [super viewDidLoad];
  

0oneo

- (UIImage *)compressImage:(UIImage *)image{
    float actualHeight = image.size.height;
    float actualWidth = image.size.width;
    float maxHeight = 600.0;
    float maxWidth = 800.0;
    float imgRatio = actualWidth/actualHeight;
    float maxRatio = maxWidth/maxHeight;
    float compressionQuality = 0.5;//50 percent compression
    
    if (actualHeight > maxHeight || actualWidth > maxWidth) {

0oneo

//
//  SpacemanBlocks.h
//
//  Created by Jerry Jones on 12/11/11.
//  Copyright (c) 2011 Spaceman Labs. All rights reserved.
//

#import <Foundation/Foundation.h>

typedef void(^SMDelayedBlockHandle)(BOOL cancel);