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C/C++头文件string与string.h的区别及Mac平台的特殊性 - C/C++ - 清泛网 - ...
...件string与string.h的区别及Mac平台的特殊性c_string_hstrlen() 等函数需要string h头文件，不过MacOS下clang编译器比较特殊，必须string，可以用宏区分Mac平台。string.h（C语言头文件，提供字符数组相关C函数）
string.h是C语言里面关于字符...
【解决】C、C++混合编译link失败问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...c_cpp_mixed_compileC、C++混合编译时，C头文件不加 extern "C"，函数按照C++编译会改变函数名称，导致link时报undefined reference to `xxx` 的 错误。加 extern "C" 解决，但是直接加的话 C、C++混合编译时，C头文件不加 extern "C"，函数按照C++编...
CPU指令集avx程序无法运行，运行崩溃 - C/C++ - 清泛网 - 专注C/C++及内核技术
...令查看CPU指令集，看是否支持。比如_mm256_cmpeq_epi64 这个函数需要avx2指令集，但是CPU不支持，就导致程序崩溃起不来。原因就是CPU不支持相应的指令集导致的。
Linux上使用 lscpu 命令查看CPU指令集，看是否支持。
比如 _mm256_cmpeq...
MIT已发布v2.75版本，中文网已同步升级最新版本 - App Inventor 2 中文网 -...
...组件有四种不同的模型可供选择，如下图所示，即：线性函数、二次函数、指数函数及对数函数。
随便为图表数据组件设置了三组数据：2,9,6,14,12,100，选择指数函数模型，则曲线拟合的结果如下图所示。
新的组件类型—...
剖析程序的内存布局 - C/C++ - 清泛网 - 专注C/C++及内核技术
...。一个发掘过程往往需要引用绝对内存地址：栈地址，库函数地址等。远程攻击者必须依赖地址空间布局的一致性，摸索着选择这些地址。如果让他们猜个正着，有人就会被整了。因此，地址空间的随机排布方式逐渐流行起来。...
When is the thread pool used?
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My question is this: if I stand up an HTTP server in Node.js and call sleep on one of my routed path events (such as "/test/sleep"), the whole system comes to a halt. Even the single listener thread. But my understanding was that this code is happening on the worker pool.
There is no sleep me...
Correct way to pause Python program
...ine to me (or raw_input() in Python 2.X). Alternatively you could use time.sleep() if you want to pause for a certain number of seconds.
import time
print("something")
time.sleep(5.5) # pause 5.5 seconds
print("something")
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Keyboard Interrupts with python's multiprocessing Pool
...g as my, yes unfortunately complicated, solution. It hides behind the time.sleep(10) in the main process. If you were to remove that sleep, or if you wait until the process attempts to join on the pool, which you have to do in order to guarantee the jobs are complete, then you still suffer from the ...
Page redirect after certain time PHP
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If you are redirecting with PHP, then you would simply use the sleep() command to sleep for however many seconds before redirecting.
But, I think what you are referring to is the meta refresh tag:
http://webdesign.about.com/od/metataglibraries/a/aa080300a.htm
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