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How to run a command before a Bash script exits?
If a Bash script has set -e , and a command in the script returns an error, how can I do some cleanup before the script exits?
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How to update attributes without validation
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Shouldn't that be
validates_length_of :title, :in => 6..255, :on => :create
so it only works during create?
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Make .gitignore ignore everything except a few files
...ns sources.
# Ignore everything
*
# But not these files...
!.gitignore
!script.pl
!template.latex
# etc...
# ...even if they are in subdirectories
!*/
# if the files to be tracked are in subdirectories
!*/a/b/file1.txt
!*/a/b/c/*
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Exit a Script On Error
I'm building a Shell Script that has a if function like this one:
5 Answers
5
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How can I stop a Postgres script when it encounters an error?
Is there a way to specify that when executing a sql script it stops when encountering the first error on the script, it usually continues, regardless of previous errors.
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Adding System.Web.Script reference in class library
...older to a class library. I have tagged several methods with [System.Web.Script.Serialization.ScriptIgnore] attributes. My class library cannot see this namespace. My add references dialog cannot see this namespace. How do I properly use this tag from a class library?
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ASP.NET MVC 3 Razor: Include JavaScript file in the head tag
I'm trying to figure out the proper Razor syntax to get a JavaScript file for a particular *.cshtml to be in the head tag along with all the other include files that are defined in _Layout.cshtml.
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Purpose of #!/usr/bin/python3
I have noticed this in a couple of scripting languages, but in this example, I am using python. In many tutorials, they would start with #!/usr/bin/python3 on the first line. I don't understand why we have this.
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How to handle command-line arguments in PowerShell
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You are reinventing the wheel. Normal PowerShell scripts have parameters starting with -, like script.ps1 -server http://devserver
Then you handle them in param section in the beginning of the file.
You can also assign default values to your params, read them from console...
Android List Preferences: have summary as selected value?
... For example:
<ListPreference
android:key="pref_list"
android:title="A list of preferences"
android:summary="%s"
android:entries="@array/pref_list_entries"
android:entryValues="@array/pref_list_entries_values"
android:defaultValue="0" />
Android will replace %s with...