大约有 8,300 项符合查询结果(耗时:0.0264秒) [XML]

https://stackoverflow.com/ques... 

Any equivalent to .= for adding to beginning of string in PHP?

Just wondering if there is something like .= for adding text to the beginning of a string, e.g.: 5 Answers ...
https://stackoverflow.com/ques... 

Check free disk space for current partition in bash

...e user will go to the target directory and runs the install script, so the first action should be to check that there is enough space. I know that df will report all file systems, but I was wondering if there was a way to get the free space just for the partition that the target directory is on. ...
https://stackoverflow.com/ques... 

How to determine SSL cert expiration date from a PEM encoded certificate?

If I have the actual file and a Bash shell in Mac or Linux, how can I query the cert file for when it will expire? Not a web site, but actually the certificate file itself, assuming I have the csr, key, pem and chain files. ...
https://stackoverflow.com/ques... 

Bash: infinite sleep (infinite blocking)

... . In my .xinitrc I start my window manager using /usr/bin/mywm . Now, if I kill my WM (in order to f.e. test some other WM), X will terminate too because the .xinitrc script reached EOF. So I added this at the end of my .xinitrc : ...
https://stackoverflow.com/ques... 

How do I restart nginx only after the configuration test was successful on Ubuntu?

...on a command line on an Ubuntu server, the service crashes when a nginx configuration file has errors. On a multi-site server this puts down all the sites, even the ones without configuration errors. ...
https://stackoverflow.com/ques... 

How to upload a file to directory in S3 bucket using boto

I want to copy a file in s3 bucket using python. 13 Answers 13 ...
https://stackoverflow.com/ques... 

How do I make Git use the editor of my choice for commits?

I would prefer to write my commit messages in Vim, but it is opening them in Emacs. 26 Answers ...
https://stackoverflow.com/ques... 

How to open every file in a folder?

I have a python script parse.py, which in the script open a file, say file1, and then do something maybe print out the total number of characters. ...
https://stackoverflow.com/ques... 

How to center a subview of UIView

... Objective-C yourSubView.center = CGPointMake(yourView.frame.size.width / 2, yourView.frame.size.height / 2); Swift yourSubView.center = CGPoint(x: yourView.frame.size.width / 2, y: yourView.frame.size.height / 2...
https://stackoverflow.com/ques... 

Comparison of C++ unit test frameworks [closed]

I know there are already a few questions regarding recommendations for C++ unit test frameworks, but all the answers did not help as they just recommend one of the frameworks but do not provide any information about a (feature) comparison. ...