大约有 40,000 项符合查询结果（耗时：0.0331秒） [XML]
Syntax for a single-line Bash infinite while loop
...
Excellent! Works perfectly on Mavericks (Mac OS-X 10.9) and allows me to keep a vpn running. Openconnect disconnects after a few hours with a bad cookie error. So I put the openconnect command in a shell script, sudo su to become root, and use this cmd line: ...
Suppress command line output
... invocation to this:
taskkill /im "test.exe" /f >nul 2>&1
and all will be better.
That works because stdout is file descriptor 1, and stderr is file descriptor 2 by convention. (0 is stdin, incidentally.) The 2>&1 copies output file descriptor 2 from the new value of 1, which wa...
How do I change the number of open files limit in Linux? [closed]
...e using Linux and you got the permission error, you will need to raise the allowed limit in the /etc/limits.conf or /etc/security/limits.conf file (where the file is located depends on your specific Linux distribution).
For example to allow anyone on the machine to raise their number of open files...
How to search DOM elements using XPath or CSS selectors in Chrome Developer Tools?
...ction accepts a second optional argument, context. $x(xpath, context) This allows you to select a particular iframe content, for example, and run an xpath query against it. So for the first iframe: myframe = document.getElementsByTagName("iframe")[0].contentWindow.document.body; #to xpath query that...
How do I grep for all non-ASCII characters?
... Homebrew's dupes library (enable using brew tap homebrew/dupes): brew install grep
– Bastiaan M. van de Weerd
Oct 22 '12 at 10:03
50
...
abort: no username supplied (see “hg help config”)
...po or put a .hgrc (hgrc for Windows) file in your home dir (then it covers all your projects)
In the file you should write
[ui]
username = Your Name <your@mail>
share
|
improve this answer
...
Can git automatically switch between spaces and tabs?
...global filter.tabspace.clean 'expand --tabs=4 --initial'
OS X
First install coreutils with brew:
brew install coreutils
Now run the commands:
git config --global filter.tabspace.smudge 'gunexpand --tabs=4 --first-only'
git config --global filter.tabspace.clean 'gexpand --tabs=4 --initial'
A...
@import vs #import - iOS 7
...
It's a new feature called Modules or "semantic import". There's more info in the WWDC 2013 videos for Session 205 and 404. It's kind of a better implementation of the pre-compiled headers. You can use modules with any of the system frameworks in...
Using openssl to get the certificate from a server
...client -showcerts -connect example.com:443) -scq > file.crt
To return all certificates from the chain, just add g (global) like:
ex +'g/BEGIN CERTIFICATE/,/END CERTIFICATE/p' <(echo | openssl s_client -showcerts -connect example.com:443) -scq
Then you can simply import your certificate fi...
常用快速产品原型设计工具推荐 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ML、PNG、OpenOffice、Word、PDF等格式的文件。
Prototype Composer
Prototype Composer是一款Serena出品的能够让非技术型的用户进行原型设计的免费软件，同时它还包括商业过程、活动、用户界面、需求和数据，不但可以制作界面原型，方...