大约有 4,769 项符合查询结果（耗时：0.0192秒） [XML]
How do I check if a variable exists in a list in BASH
I am trying to write a script in bash that check the validity of a user input.
I want to match the input (say variable x ) to a list of valid values.
...
EC2 instance has no public DNS
A guy I work with gave me the EC2 credentials to log onto his EC2 console. I was not the one who set it up. Some of the instances show a public dns name and others have a blank public DNS. I want to be able to connect to the instances that have a blank public DNS. I have not been able to figure out ...
Is DateTime.Now the best way to measure a function's performance?
I need to find a bottleneck and need to accurately as possible measure time.
15 Answers
...
Why is sizeof considered an operator?
Why is sizeof considered an operator and not a function?
10 Answers
10
...
diff current working copy of a file with another branch's committed copy
...made some changes to foo . How can I now run a git diff between this copy (which isn't committed yet) and the copy of the master branch?
...
Removing transforms in SVG files
...ing with this for a while, and can't seem to find an answer (that works) anywhere. I have an SVG file which looks like this:
...
Centering a view in its superview using Visual Format Language
I just started learning AutoLayout for iOS and had a look at Visual Format Language.
14 Answers
...
Disable scrolling in webview?
Until now I have been an iPhone developer only and now I have decided to give Android a whirl. Something I haven't been able to figure out on Android is how to programmatically prevent scrolling in a WebView ?
...
How to upgrade PowerShell version from 2.0 to 3.0
...nstall from http://www.microsoft.com/en-us/download/details.aspx?id=34595. You need Windows 7 SP1 though.
It's worth keeping in mind that PowerShell 3 on Windows 7 does not have all the cmdlets as PowerShell 3 on Windows 8. So you may still encounter cmdlets that are not present on your system.
...
How to auto-indent code in the Atom editor?
How do you auto-indent your code in the Atom editor? In other editors you can usually select some code and auto-indent it.
...