大约有 1,832 项符合查询结果（耗时：0.0189秒） [XML]
select、poll、epoll之间的区别总结[整理] - C/C++ - 清泛网 - 专注C/C++及内核技术
...个例子,在1GB内存的机器上大约是10万左右，具体数目可以cat /proc/sys/fs/file-max察看,一般来说这个数目和系统内存关系很大。
总结：
（1）select，poll实现需要自己不断轮询所有fd集合，直到设备就绪，期间可能要睡眠和唤醒多次...
How can I monitor the thread count of a process on linux?
...
cat /proc/<PROCESS_PID>/status | grep Threads
share
|
improve this answer
|
follow
...
Dictionary text file [closed]
...
thanks ! 200000+ words, much appreciated ! cat /usr/share/dict/words > words.txt all the things !
– jokoon
Sep 19 '11 at 22:13
7
...
Page redirect after certain time PHP
...vascript to redirect after some time
setTimeout(function () {
window.location.href= 'http://www.google.com'; // the redirect goes here
},5000); // 5 seconds
share
|
improve this answer
...
Identifying and removing null characters in UNIX
...
+1 For usage of input redirection instead of cat |. A fine, clean solution and it solved my problem.
– Krzysztof Jabłoński
Feb 13 '14 at 7:14
4
...
PHP PDO returning single row
...u're selecting a UNIQUE value comes to mind.
– Super Cat
Feb 1 '17 at 3:10
add a comment
|
...
Rename a file in C#
...e); // Rename the oldFileName into newFileName
Or surround it with a try catch to avoid an exception.
share
|
improve this answer
|
follow
|
...
./configure : /bin/sh^M : bad interpreter [duplicate]
...
You can use following command to fix
cat file_name.sh | tr -d '\r' > file_name.sh.new
share
|
improve this answer
|
follow
...
Bash script prints “Command Not Found” on empty lines
...mand (man page)
Another way to tell if your file is in dos/Win format:
cat scriptname.sh | sed 's/\r/<CR>/'
The output will look something like this:
#!/bin/sh<CR>
<CR>
echo Hello World<CR>
<CR>
This will output the entire file text with <CR> displayed fo...
How do I tell Git to ignore everything except a subdirectory?
... the slash, the wildcard would also exclude everything within foo/bar):
$ cat .gitignore
# exclude everything except directory foo/bar
/*
!/foo
/foo/*
!/foo/bar
For an explanation about the leading slash: When to use leading slash in gitignore.
...