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Convert a RGB Color Value to a Hexadecimal String
...ation, I was able to get the Color of a JButton in terms of red, green and blue; I have stored these values in three int s.
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Automating “enter” keypresses for bash script generating ssh keys
...de a "yes" answer to whatever a program might prompt for). yes is shorter, and should ssh-keygen ever add a question, that will automatically be answered in too. :)
– zrajm
Apr 24 '15 at 11:08
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When should I use Write-Error vs. Throw? Terminating vs. non-terminating errors
...It does not stop a pipeline or a loop from continuing. Throw on the other hand produces what is called a terminating error. If you use throw, the pipeline and/or current loop will be terminated. In fact all execution will be terminated unless you use a trap or a try/catch structure to handle the ter...
.NET Format a string with fixed spaces
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The first and the last, at least, are possible using the following syntax:
String.Format("{0,20}", "String goes here");
String.Format("{0,-20}", "String goes here");
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What is the preferred Bash shebang?
...n/env bash for portability: different *nixes put bash in different places, and using /usr/bin/env is a workaround to run the first bash found on the PATH. And sh is not bash.
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don't fail jenkins build if execute shell fails
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To stop further execution when command fails:
command || exit 0
To continue execution when command fails:
command || true
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Python: Convert timedelta to int in a dataframe
I would like to create a column in a pandas data frame that is an integer representation of the number of days in a timedelta column. Is it possible to use 'datetime.days' or do I need to do something more manual?
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How to force a web browser NOT to cache images
I am writing and using a very simple CGI-based (Perl) content management tool for two pro-bono websites. It provides the website administrator with HTML forms for events where they fill the fields (date, place, title, description, links, etc.) and save it. On that form I allow the administrator to u...
Using Mockito with multiple calls to the same method with the same arguments
...nswer() do not allow chaining multiple calls as doReturn()/thenReturn() do and I needed to compute something and not just return a different value. Creating an anonymous Answer object with a private count variable was what did the trick for me.
– Lucio Paiva
Au...
Is Mono ready for prime time? [closed]
... Mono runtime, or is it really, really compatible enough to just take of and run already written code for Microsoft's runtime?
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