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Multiple constructors in python? [duplicate]
... Now you can do:
c = C(fd)
# or:
c = C.fromfilename('a filename')
Notice all those classmethods still go through the same __init__, but using classmethods can be much more convenient than having to remember what combinations of keyword arguments to __init__ work.
isinstance is best avoided becaus...
How can I find the data structure that represents mine layout of Minesweeper in memory?
...n. I've found this MSDN article on a simple WinDbg command that reveals all the mines but it is old, is not explained in any detail and really isn't what I'm looking for.
...
Deleting all pending tasks in celery / rabbitmq
How can I delete all pending tasks without knowing the task_id for each task?
9 Answers
...
echo that outputs to stderr
...criptors will refer to the same file: the one file descriptor #2 was originally referring to. For more information see the Bash Hackers Illustrated Redirection Tutorial.
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OceanBase使用libeasy原理源码分析：服务器端 - 数据库(内核) - 清泛网 - ...
...nection_t(TCP连接)的输出缓冲区链表中
handler_.encode = ObMySQLCallback::encode;
// libeasy回调这个函数用于从该连接的输入缓冲区中反序列化出一个符合MySQL协议的包，然后吐给上层使用
handler_.decode = ObMySQLCallback::decode;
// 对于每个decode...
C++实现一款简单完整的聊天室服务器+客户端 - C/C++ - 清泛网 - 专注C/C++及内核技术
...;
return 0;
}
void* ListenThread(void*ps){
int s=*(int*)ps;
fd_set listenSet;
int sock;
struct sockaddr_in clientAddr;
struct timeval timeout;
while(!toStop){
FD_ZERO(&listenSet);
FD_SET(s,&listenSet);
timeout.tv_sec = 5;
timeout.tv_usec = 0;
...
Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
... gcc-4.8 1.53s 1.52s -Os
In some cases you can alleviate the effect of disadvantageous optimizations by asking gcc to optimize for your particular processor (using options -mtune=native or -march=native):
Processor Compiler Time (-O2 -mtune=native) Time (-Os...
Passing variables through handlebars partial
...andlebars.js in an express.js application. To keep things modular, I split all my templates in partials.
8 Answers
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WSAAsyncSelect模型 - C/C++ - 清泛网 - 专注C/C++及内核技术
... IEvent //指定哪些通知码需要发送
//FD_READ可以读套接字
//FD_WRITE 可以写套接字
//FD_ACCEPT 监听套接字有连接接入
//FD_CONNET 如果套接字连接对方主机，...
How to parse JSON in Python?
...
For example, you can't parse r'{"foo": null, "bar": true, "baz": "\ud83e\udd26"}' using ast.literal_eval(), because it contains nulls, a boolean value, and a single non-BMP codepoint. JSON represents those values differently from how Python literals would re...