[转] https://blog.csdn.net/fan2012huan/article/details/51097331 首先看下该方法的定义以及被使用的地方 static final int tableSizeFor(int cap) { int n = cap - 1; n |= n >>> 1; n |= n >>> 2; n |= n >>> 4; n |= n >>> 8; n |= n >>> 16;…
1,多进程中的方法join()的作用: 感知一个子进程的结束,将异步的程序改为同步 #join() import time from multiprocessing import Process def func(arg1,arg2): print('*'*arg1) time.sleep(5) print('*'*arg2) if __name__ == '__main__': p = Process(target=func,args=(10,20)) p.start() p.join() #…
一.函数原型 CString::GetBuffer LPTSTR GetBuffer( int nMinBufLength ); throw( CMemoryException ); Return Value An LPTSTR pointer to the object’s (null-terminated) character buffer. Parameters nMinBufLength The minimum size of the character buffer in charac…