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How to ignore xargs commands if stdin input is empty?
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For GNU xargs, you can use the -r or --no-run-if-empty option:
--no-run-if-empty
-r If the standard input does not contain any nonblanks, do not run the command. Normally, the command is run once even if there is...
PowerShell: Setting an environment variable for a single command only
On Linux, I can do:
7 Answers
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How to add hyperlink in JLabel?
What is the best way to add a hyperlink in a JLabel? I can get the view using html tags, but how to open the browser when the user clicks on it?
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Changing the Git remote 'push to' default
I want to change the Git default remote branch destination so I could just
11 Answers
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Check if a dialog is displayed with Espresso
...'m trying to write some tests with the new android-test-kit (Espresso) . But I can't find any information on how to check if a dialog is displayed and perform some actions on it (like clicking the positive and negative buttons, e.t.c.). Note that a dialog may be also displayed by a WebView , not...
Value of type 'T' cannot be converted to
This is likely a a novice question, but google surprisingly did not provide an answer.
6 Answers
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Is there a way to hide the scroll indicators in a UIScrollView?
I've got a use case where those indicators disturb the user interaction. Can I subclass and override a method or do something similar to remove the scroll indicators from the scroll view?
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'System.Net.Http.HttpContent' does not contain a definition for 'ReadAsAsync' and no extension metho
I made a console app to consume a Web API I just made. The console app code does not compile. It gives me the compilation error:
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How to set an iframe src attribute from a variable in AngularJS
I'm trying to set the src attribute of an iframe from a variable and I can't get it to work...
6 Answers
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Get epoch for a specific date using Javascript
How do I convert 07/26/2010 to a UNIX timestamp using Javascript?
7 Answers
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