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C++STL容器使用经验总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...一些list的实现，size耗费线性时间。
第5条：区间成员函数优先于与之对应的单元素成员函数。
区间成员函数写起来更容易，更能清楚地表达你的意图，而且它们表现出了更高的效率。
第6条：当心C＋＋编译器最烦人的分...
C/C++中退出线程的几种方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...方法想要终止线程的运行，可以使用以下方法：1、线程函数返回（最好使用该方法）。2、通过调用ExitThread函数，线程将自行撤消（最好不使用该方...想要终止线程的运行，可以使用以下方法：
1、线程函数返回（最好使用该...
Multiprocessing vs Threading Python [duplicate]
...lt, self.niters)
class IoThread(threading.Thread):
def __init__(self, sleep):
super().__init__()
self.sleep = sleep
self.result = self.sleep
def run(self):
time.sleep(self.sleep)
class IoProcess(multiprocessing.Process):
def __init__(self, sleep):
...
What is an uninterruptible process?
...hard drive, or moving heads. During most of this time, the process will be sleeping, blocking on the hardware.
While the process is sleeping in the system call, it can receive a Unix asynchronous signal (say, SIGTERM), then the following happens:
The system calls exits prematurely, and is set up ...
What are file descriptors, explained in simple terms?
...es as an example and how does it apply for it?
Check out this code
#>sleep 1000 &
[12] 14726
We created a process with the id 14726 (PID).
Using the lsof -p 14726 we can get the things like this:
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
sleep 14726 root cwd DIR ...
How to redirect the output of the time command to a file in Linux?
...
Try
{ time sleep 1 ; } 2> time.txt
which combines the STDERR of "time" and your command into time.txt
Or use
{ time sleep 1 2> sleep.stderr ; } 2> time.txt
which puts STDERR from "sleep" into the file "sleep.stderr" and o...
由“Pure Virtual Function Called” 考虑到的 - C/C++ - 清泛网 - 专注C/C++及内核技术
...al Function Called” 考虑到的1 派生类对象析构时，基类析构函数执行的前期会修改对象的虚函数表指针值 一般情况下（特指基类不使用novtable属性），debug编译出 1. 派生类对象析构时，基类析构函数执行的前期会修改对象...
菜单的背景颜色 - C/C++ - 清泛网 - 专注C/C++及内核技术
...D项就是该菜单项对应的ID号了，添加菜单项单击消息处理函数时会用到，而标明项里的内容就是菜单项要显示的文本了。
这里还得注意一下“弹出”这个选项，勾上这个选项表明对应的菜单项还有下级菜单，如：
上面“转到...
When does Java's Thread.sleep throw InterruptedException?
When does Java's Thread.sleep throw InterruptedException? Is it safe to ignore it? I am not doing any multithreading. I just want to wait for a few seconds before retrying some operation.
...
Timeout a command in bash without unnecessary delay
...AY seconds.
As of today, Bash does not support floating point arithmetic (sleep does),
therefore all delay/time values must be integers.
EOF
}
# Options.
while getopts ":t:i:d:" option; do
case "$option" in
t) timeout=$OPTARG ;;
i) interval=$OPTARG ;;
d) delay=$OPTARG ;...