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Rollback a Git merge
...
git revert -m 1 88113a64a21bf8a51409ee2a1321442fd08db705
But may have unexpected side-effects. See --mainline parent-number option in git-scm.com/docs/git-revert
Perhaps a brute but effective way would be to check out the left parent of that commit, make a cop...
libevent+protobuf轻松搭建tcpserver - C/C++ - 清泛网 - 专注C/C++及内核技术
libevent+protobuf轻松搭建tcpserver1. 基础代码 设置某fd为O_NONBLOCK模式 int set_non_block(int fd); server端socket流程:socket(),setsoc...1. 基础代码
// 设置某fd为O_NONBLOCK模式
int set_non_block(int fd);
// server端socket流程:socket(),setsockopt(),bi...
Git cherry pick vs rebase
...versions of Git; at present time you can do something like git cherry-pick foo~3..foo and get the tree top commits from "foo" picked one by one.
– kostix
Aug 6 '12 at 23:29
...
Caveats of select/poll vs. epoll reactors in Twisted
...e highest numbered file descriptor you pass it. If you select on a single fd, 100, then that's roughly twice as expensive as selecting on a single fd, 50. Adding more fds below the highest isn't quite free, so it's a little more complicated than this in practice, but this is a good first approxima...
How to read a single character from the user?
...tty, sys
def __call__(self):
import sys, tty, termios
fd = sys.stdin.fileno()
old_settings = termios.tcgetattr(fd)
try:
tty.setraw(sys.stdin.fileno())
ch = sys.stdin.read(1)
finally:
termios.tcsetattr(fd, termios.TCSADR...
How to properly URL encode a string in PHP?
... // Add your custom encoding
$entities = ['%21', '%2A', '%27', '%28', '%29', '%3B', '%3A', '%40', '%26', '%3D', '%2B', '%24', '%2C', '%2F', '%3F', '%25', '%23', '%5B', '%5D'];
$replacements = ['!', '*', "'", "(", ")", ";", ":", "@", "&", "=", "+", "$", ","...
Linux C/C++进程单实例互斥代码分享 - C/C++ - 清泛网 - 专注C/C++及内核技术
...h>
#define kPidFileName "app.pid"
bool enter_app_singleton() {
int fd = open(kPidFileName, O_RDWR | O_TRUNC);
if (fd == -1) {
//对应的锁文件当前不存在，试图创建该锁文件
fd = creat(kPidFileName, S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH);
if (fd > 0) {
...
What's the purpose of git-mv?
...t mv is doing something different, as it handles changes in filename case (foo.txt to Foo.txt) while those commands run individually do not (on OSX)
– greg.kindel
Sep 2 '16 at 19:37
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What should a Multipart HTTP request with multiple files look like? [duplicate]
...ttp://aram/~martind/banner.htm
Content-Type: multipart/form-data; boundary=2a8ae6ad-f4ad-4d9a-a92c-6d217011fe0f
Content-Length: 514
--2a8ae6ad-f4ad-4d9a-a92c-6d217011fe0f
Content-Disposition: form-data; name="datafile1"; filename="r.gif"
Content-Type: image/gif
GIF87a.............,...........D..;
...
How do I get both STDOUT and STDERR to go to the terminal and a log file?
...stdout.txt ) 2> >(tee stderr.txt >&2 )
Here's a session:
$ foo=$(./example)
err
$ echo $foo
out
$ cat stdout.txt
out
$ cat stderr.txt
err
Here's how it works:
Both tee processes are started, their stdins are assigned to file descriptors. Because they're enclose...