#Objective-C
iOS webview开发浏览器，屏蔽地址栏无关地址
- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request na…
#PHP
PHP运行时强制显示出错信息
error_reporting(E_ALL); ini_set('display_errors', '1'); //将出错信息输出到一个文本文件 ini_set('error_lo…
#SQL
查询从未使用的索引
SELECT object_name(object_id) ,* sys.dm_db_index_usage_state WHERE user_seeks = 0 AND user…
#Objective-C
使用CoreImage进行人脸识别
- (BOOL)checkImageHasFace { BOOL hasFace = NO; CIImage *begingImage = [[CIImage alloc] ini…
#APS/Basic
情人节送MM一个不得不爱的礼物
Function IIF(express, trueValue, falseValue) If express Then IIF = trueValue Else IIF = fa…
#Objective-C
IOS下计算日期时间间隔
IOS下计算日期时间间隔： //创建日期格式化对象 NSDateFormatter *dateFormatter=[[NSDateFormatter alloc] init]; […
#Python
pygame tetromino 俄罗斯方块
import pygame,sys,time,random from pygame.locals import* FPS = 25 winx = 640 winy = 480 bo…
#Python
pil 放缩图像功能
import Image import os if __name__ == "__main__": infile = raw_input('give me a file with …
#Python
Python将byte数组转换为int
代码 import struct import ctypes def test_struct(buf, offset): return struct.unpack_from(&qu…
#C/C++
NSUserdefaults用法总结
UserInfoManager.h文件 #import <UIKit/UIKit.h> @interface UserInfoManager : NSObject +(…
#C/C++
文件管理iOS类FileManager
FileManager.h文件： #import <Foundation/Foundation.h> @interface FileManager : NSObject…
#Shell
在Shell中使用日期运算和比较
脚本内容大概主要包括以下： 1、有且只有两个输入参数，都是必输项。 2、参数的格式是日期且格式是“yyyyMMdd"(如：20140101) 3、第二个参数一定要比第一个…
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