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Set cURL to use local virtual hosts
...d then the HOME environment variables. Failing that, it uses getpwuid() on UNIX-like systems (which returns the home dir
given the current user in your system). On Windows, it then checks for the APPDATA variable, or as a last resort the '%USERPROFILE%\Application Data'.
2) On wind...
Boost.Asio的简单使用(Timer,Thread,Io_service类) - C/C++ - 清泛网 - 专注C/C++及内核技术
...中调用 boost::asio::io_service::run() 来确保回调是适用于并发编程的.
一个基于asio的程序最好是从单线程入手,但是单线程有如下的限制,这一点在服务器上尤其明显:
当回调耗时较长时,反应迟钝.
在多核的系统上无能为力
如果...
Why does the arrow (->) operator in C exist?
... I will refer as CRM for "C Reference Manual", which came with 6th Edition Unix in May 1975), operator -> had very exclusive meaning, not synonymous with * and . combination
The C language described by CRM was very different from the modern C in many respects. In CRM struct members implemented t...
Getting root permissions on a file inside of vi? [closed]
... Can you explain how this works? I looked up tee and see it's a Unix pipe command, and ! inserts a shell command. Is the :w writing to standard out, which gets piped by tee?
– Eric Hu
Sep 10 '12 at 19:37
...
How to ignore user's time zone and force Date() use specific time zone
...every other part of the world. And because the server timestamp is usually UNIX timestamp, which is by definition in UTC, the number of seconds since the Unix Epoch (January 1 1970 00:00:00 GMT), we cannot determine DST or non-DST from timestamp.
So the solution is to DISREGARD the current time zon...
Exit a Script On Error
...tuff
Other traps can be set to handle other signals, including the usual Unix signals plus the other Bash pseudo signals RETURN and DEBUG.
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What's the difference between “squash” and “fixup” in Git/Git Extension?
...LL BE LOST.
D:/code/fenixito-legacy-api/.git/rebase-merge/git-rebase-todo [unix] (11:57 23/10/2019) 1,1 start
"D:/code/xxx/.git/rebase-merge/git-rebase-todo" [UNIX] 27L, 1170C
So you see:
s, squash = use commit, but meld into previous commit
f, fixup = lik...
How does grep run so fast?
...ally looks at (and it skips many
bytes entirely).
GNU grep uses raw Unix input system calls and avoids copying data
after reading it. Moreover, GNU grep AVOIDS BREAKING THE INPUT INTO
LINES. Looking for newlines would slow grep down by a factor of
several times, because to find the ne...
Why does the order in which libraries are linked sometimes cause errors in GCC?
...onger available to static libraries later on the link line.
The typical UNIX linker works from left to right, so put all your dependent libraries on the left, and the ones that satisfy those dependencies on the right of the link line. You may find that some libraries depend on others while at th...
How to only find files in a given directory, and ignore subdirectories using bash
... Yes, this works. -maxdepth isn't implemented in find on some older Unixes.
– CCTO
May 26 '17 at 13:54
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