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What is the $? (dollar question mark) variable in shell scripting? [duplicate]
...), you will get the return value thrown by the ls command, which should be 0 (default "success" return value). If it doesn't exist, you should get a number other then 0. The exact number depends on the program.
For many programs you can find the numbers and their meaning in the corresponding man pa...
Are there any standard exit status codes in Linux?
... is considered to have completed correctly in Linux if its exit status was 0.
10 Answers
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Remove all special characters except space from a string using JavaScript
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answered Jul 2 '11 at 5:01
Petar IvanovPetar Ivanov
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Use of the MANIFEST.MF file in Java
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The content of the Manifest file in a JAR file created with version 1.0 of the Java Development Kit is the following.
Manifest-Version: 1.0
All the entries are as name-value pairs. The name of a header is separated from its value by a colon. The default manifest shows that it conforms to ver...
What is the difference between setUp() and setUpClass() in Python unittest?
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edited Feb 27 '19 at 22:06
answered May 15 '14 at 6:32
Be...
Confirm deletion in modal / dialog using Twitter Bootstrap?
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403
GET recipe
For this task you can use already available plugins and bootstrap extensions. Or yo...
Why use 'git rm' to remove a file instead of 'rm'?
... git so I don't know the exact command. If you have come here in or after 2014, I hope this answer was useful to you.
– Eric Hepperle - CodeSlayer2010
Nov 24 '14 at 19:14
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How to get number of rows using SqlDataReader in C#
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answered Sep 5 '09 at 13:25
Henk HoltermanHenk Holterman
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How to change line-ending settings
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edited May 26 '18 at 23:50
The Guy with The Hat
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instantiate a class from a variable in PHP?
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Demis Palma ツ
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answered Feb 10 '09 at 20:53
Paul DixonPaul Dixon...