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How do I test for an empty string in a Bash case statement?

...rforms actions based on the value of a variable. The general syntax of the case statement is: 3 Answers ...
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In Python, how to display current time in readable format

How can I display the current time as: 6 Answers 6 ...
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Convert a list of objects to an array of one of the object's properties

...ut Select does not show up in the intellisense. – Vaccano Jan 21 '11 at 23:58 GAAAAAAA! I was missing the linq include...
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Difference between Activity and FragmentActivity

I was working on fragments and came across two things Activity and FragmentActivity which are used several times. I want to know that is there any difference between these two, because when I changed Activity with FragmentActivity , it had no effect on the app. ...
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How to `go test` all tests in my project?

... FYI in zsh, the bare ... in the last example must be escaped, IE go test \... – Gabe Kopley Jun 21 '16 at 20:42 ...
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How do you tell Resharper that a method parameter is a string containing a CSS class?

...] From the Code Annotations currently supported by Resharper 10, the best candidate would to use this attribute. From the above link: ValueProviderAttribute For a parameter that is expected to be one of the limited set of values. Specify fields of which type should be used as values fo...
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Ansible: Set variable to file content

... You can use lookups in Ansible in order to get the contents of a file, e.g. user_data: "{{ lookup('file', user_data_file) }}" Caveat: This lookup will work with local files, not remote files. Here's a complete example from th...
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How to create a directory using nerdtree

... '/' at the end, otherwise the script would create a file. AFAIK NERDTree cannot create parent directories like 'mkdir -p' does. share | improve this answer | follow ...
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Nested select statement in SQL Server

...FROM agentinformation) as a We need to make an alias of the subquery because a query needs a table object which we will get from making an alias for the subquery. Conceptually, the subquery results are substituted into the outer query. As we need a table object in the outer query, we need to mak...
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Rails - Validate Presence Of Association?

...rt into A requires at least 1 associated record to B. Is there a method I can call to make sure this is true, or do I need to write a custom validation? ...