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How to exit if a command failed?
...on-zero).
Using ( ) makes the command inside them run in a sub-shell and calling a exit from there causes you to exit the sub-shell and not your original shell, hence execution continues in your original shell.
To overcome this use { }
The last two changes are required by bash.
...
The most efficient way to implement an integer based power function pow(int, int)
...gt;= on a signed int does zero-padding or sign-extension - C compilers are allowed to pick either behaviour).
– user9876
Jul 28 '09 at 16:42
23
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Is there any connection string parser in C#?
... on) derive. The connection string
builders let developers
programmatically create syntactically
correct connection strings, and parse
and rebuild existing connection
strings.
The subclasses of interest are:
System.Data.EntityClient.EntityConnectionStringBuilder
System.Data.Odbc.OdbcCon...
How to use regex with find command?
.... For example 81397018-b84a-11e0-9d2a-001b77dc0bed.jpg. I want to find out all these images using "find" command:
7 Answers...
Can't launch my app in Instruments: At least one target failed to launch
I have all my code signing entitlements set correctly. Running the app on my phone is fine, but launching it in instruments gives me an error message:
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Mercurial error: abort no username supplied
Problem on WindowsXP (likely will happen on all Win installs), first time using Mercurial. I found the answer in an inobvious place so I'm asking/answering the question myself so others don't have to search like I did.
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What's the difference between encoding and charset?
...
Basically:
charset is the set of characters you can use
encoding is the way these characters are stored into memory
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How to flip background image using CSS?
...
You can flip it horizontally with CSS...
a:visited {
-moz-transform: scaleX(-1);
-o-transform: scaleX(-1);
-webkit-transform: scaleX(-1);
transform: scaleX(-1);
filter: FlipH;
-ms-filter: "FlipH";
}
jsFiddle.
If you want ...
rsync exclude according to .gitignore & .hgignore & svn:ignore like --filter=:C
...ps://git-scm.com/docs/git-ls-files
Options:
--exclude-standard Consider all .gitignore files.
-o Don't ignore unstaged changes.
-i Only output ignored files.
--directory Only output the directory path if the entire directory is ignored.
The only thing I left to ignore was .git.
rsync -azP --ex...
How to generate Class Diagram (UML) on Android Studio (IntelliJ Idea)
... a free plugin that can generate class diagrams with android studio.
It's called SimpleUML.
Update Android Studio 2.2+:
To install the plugin, follow steps in this answer: https://stackoverflow.com/a/36823007/1245894
Older version of Android Studio
On Mac: go to Android Studio -> Preferences -&...