大约有 2,100 项符合查询结果(耗时:0.0273秒) [XML]

https://www.tsingfun.com/ilife/tech/1156.html 

“互联网卖菜”没那么简单 创业者不要盲目跟风 - 资讯 - 清泛网 - 专注C/C+...

...因为价格问题导致的盈利困境而歇业,价格是上门送菜的最大障碍,要么狂砸补贴,要么把量做大,维持开支,没有别的路。笔者接触过一些做上门送菜的创业者,往往会问第一个问题,你的出发点是什么?便宜,吃的放心是最...
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javac is not recognized as an internal or external command, operable program or batch file [closed]

...far left, in sidebar) » Environment Variables Desktop » right-click This PC » Properties » Advanced System Settings » Environment Variables Start Menu » right-click Computer » Properties » Advanced System Settings » Environment Variables Control Panel (icon mode) » System » Advanced Syste...
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What is the maximum length of a URL in different browsers?

...FMZsMpTuBYAlj0LnFoxcuCG0ht3n0XidL6PK+GDvPovE6X0eV8MIX0jpQ8pe5SPzeKndmLFl2QuPCpMpnwV1Pg345ZuLc4DbfbG0enlJelp/ZR5EuS3959F4nS+jyvhg7z6LxOl9HlfDDCjrFmosxCSrgMLixsdmRzEb45zQUd59F4nS+jyvhg7z6LxOl9HlfDDeCAFHefReJ0vo8r4YO8+i8TpfR5Xww3ggBR3n0XidL6PK+GDvPovE6X0eV8MN4IAUd59F4nS+jyvhg7z6LxOl9HlfDDeFOsNVMlSmmI1g...
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“21天教你学会C++” - 创意 - 清泛网 - 专注C/C++及内核技术

...”这个词。了解你的计算机执行一条指令要多长时间,从内存中取一个word要多长时间(包括缓存命中和未命中的情况),从磁盘上读取连续的数据要多长时间,定位到磁盘上的新位置又要多长时间。(答案在这里) 尝试参与到...
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Realistic usage of the C99 'restrict' keyword?

... callq 40b <fr+0x1b> 407: R_X86_64_PC32 memset-0x4 40b: 48 83 c4 08 add $0x8,%rsp 40f: 48 89 da mov %rbx,%rdx 412: 48 89 ef mov %rbp,%rdi 415: 5b pop %rbx 416: 5d ...
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菜单的背景颜色 - C/C++ - 清泛网 - 专注C/C++及内核技术

...看CMenu类的函数。。。 (菜单项数据(itemData)对应的分配内存,就自己释放吧)菜单 背景 颜色
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那些曾被追捧的90后创业男神女神,还好吗? - 资讯 - 清泛网 - 专注C/C++及内核技术

...个叫做‘云视链’的产品,按照官方介绍来说,它最大的价值在于将视频单向内容输出变为双向互动的形式。 看起来好炫酷,小弟也研究了一下这个功能到底是怎么个原理。来看看被捧上天的云视链到底是什么高科技。 ...
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How do emulators work and how are they written? [closed]

...tegers representing registers: A, X, Y, P, and S; you'd also have a 16-bit PC register. With interpretation, you start at the IP (instruction pointer -- also called PC, program counter) and read the instruction from memory. Your code parses this instruction and uses this information to alter proces...
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Why is require_once so bad to use?

... The other downside is APC doesn't cache include_once and require_once calls IIRC – dcousineau Oct 10 '08 at 7:20 3 ...
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JAVA线程池管理及分布式HADOOP调度框架搭建 - 人工智能(AI) - 清泛IT社区,...

...么,进程就是系统中执行的一个程序,这个程序可以使用内存、处理器、文件系统等相关资源。例如 QQ软件、eclipse、tomcat等就是一个exe程序,运行启动起来就是一个进程。为什么需要多线程?如果每个进程都是单独处理一件事...