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Multithreading: What is the point of more threads than cores?
...nterruption. In reality this isn't the case. Even if you have four cores and four working threads, your process and it threads will constantly be being switched out for other processes and threads. If you are running any modern OS, every process has at least one thread, and many have more. All t...
Why does C++ require a user-provided default constructor to default-construct a const object?
The C++ standard (section 8.5) says:
5 Answers
5
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也来说说ReactOS的调试 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...teFile(PortName,
GENERIC_READ|GENERIC_WRITE,
0,
0,
OPEN_EXISTING,
0,
0);
马上将port名改成pipe\com_1,可是又出错了:
接着看代码,这里(在同目录下的fDebug.c中):
...
TCP 的那些事儿（上） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...会跟新连接混在一起）。你可以看看这篇文章《TIME_WAIT and its design implications for protocols and scalable client server systems》
关于TIME_WAIT数量太多。从上面的描述我们可以知道，TIME_WAIT是个很重要的状态，但是如果在大并发的短链接...
传感器组件 · App Inventor 2 中文网
...成部分是：
X分量：当手机静止在平坦表面上时为 0，当手机倾斜时为正向右（即左侧抬起），当手机倾斜到右侧时为负向左（即，其右侧尺寸升高）。
Y分量：当手机静止在平坦表面上时为0，当底部抬起时为正，...
Python module for converting PDF to text [closed]
...n Activestate which uses pypdf but the text generated had no space between and was of no use.
13 Answers
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Why does javascript map function return undefined?
... |
edited Dec 18 '13 at 8:01
answered Apr 16 '13 at 12:28
I...
How do emulators work and how are they written? [closed]
...
Emulation is a multi-faceted area. Here are the basic ideas and functional components. I'm going to break it into pieces and then fill in the details via edits. Many of the things I'm going to describe will require knowledge of the inner workings of processors -- assembly knowledge ...
REST vs JSON-RPC? [closed]
I'm trying to chose between REST and JSON-RPC for developing an API for a web application. How do they compare?
15 Answers
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数据挖掘——分词入门 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
... int strLen = str.length(); //传入字符串的长度
int j = 0;
String matchWord = ""; //根据词库里识别出来的词
int matchPos = 0; //根据词库里识别出来词后当前句子中的位置
while (j < strLen) { //从0字符匹配到字符串...