原文:http://www.codeguru.com/cpp/cpp/cpp_mfc/callbacks/article.php/c10557/Callback-Functions-Tutorial.htmCallback Functions TutorialIntroductionIf you a...
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编程语言 时间:
2014-10-14 23:55:09
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403
Problem Description
Bob is a strategy game programming specialist. In his new city building game the gaming environment is as follows: a city is built up by areas, in which there are streets, trees,f...
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其他好文 时间:
2014-10-14 23:03:49
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178
1. No const constructorUnlike other member functions, constructors may not be declared as const . When we create a const object of a class type, the o...
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其他好文 时间:
2014-10-14 17:43:39
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214
1. exit handler. atexit(void (*func)(void)); #automatically called by exit() exit() calls these functions in reverse order of their registeration....
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其他好文 时间:
2014-10-14 17:20:49
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238
Expression Bodied Function 可以用在:
methodsuser-defined operatorstype conversionsread-only properties indexers
看以下的例子:
public class RgbColor(int r, int g, int b)
{
public int Red { get; } = r;
p...
Given a string, write a routine that converts the string to a long, without using the built in functions that would do this. Describe what (if any) li...
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其他好文 时间:
2014-10-14 13:01:28
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201
一 time包
sleep([float time]) 延迟一段以浮点数表示的秒数
time包基于C语言的库函数(library functions)。
Python的解释器通常是用C编写的,Python的一些函数也会直接调用C语言的库函数。
time.time()获得当前时间,返回float型, 单位:秒
time.clock()在UNIX系统上,它返回的是“进程时间”...
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编程语言 时间:
2014-10-14 11:04:08
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197
以下内容主要摘自[1,2](1)In javascript,functions are first-class objects, which means functions can be used in a first-class manner like objects, since they ar...
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编程语言 时间:
2014-10-14 00:49:27
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290
往github上传代码的时候,很多文件没必要都传,这就需要在.gitignore文件里配置一下过滤规则。在此记录一下各种项目的配置参数,先从最近做的android开始。eclipse:.idea/**/*Android项目:# Built application files*.apk*.ap_# F...
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移动开发 时间:
2014-10-13 12:25:59
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232
Linux提供了丰富的帮助手册,当你需要查看某个命令的参数时不必到处上网查找,只要man一下即可。
Linux 的man手册共有以下几个章节:
1、Standard commands (标准命令)
2、System calls (系统调用)
3、Library functions (库函数)
4、Special devices (设备说明)
5、File formats (文件格式...
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系统相关 时间:
2014-10-11 18:49:55
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177