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javascript set a variable if undefined
...pt variable and then define it if it is undefined, but is there not some way of saying
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How do I return multiple values from a function? [closed]
The canonical way to return multiple values in languages that support it is often tupling .
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How do I do an OR filter in a Django query?
I want to be able to list the items that either a user has added (they are listed as the creator) or the item has been approved.
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textarea - disable resize on x or y?
I know it's possible to disable the resize of a textarea by using:
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What is this weird colon-member (“ : ”) syntax in the constructor?
Recently I've seen an example like the following:
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Unknown column in 'field list' error on MySQL Update query
I keep getting MySQL error #1054, when trying to perform this update query:
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Plot a legend outside of the plotting area in base graphics?
As the title says: How can I plot a legend outside the plotting area when using base graphics?
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Why does C++11 not support designated initializer lists as C99? [closed]
...e to initialize just one member then that can be expressed in the program by implementing an appropriate constructor. This is the sort of abstraction C++ promotes.
On the other hand the designated initializers feature is more about exposing and making members easy to access directly in client code....
How to modify a global variable within a function in bash?
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When you use a command substitution (ie the $(...) construct), you are creating a subshell. Subshells inherit variables from their parent shells, but this only works one way - a subshell cannot modify the environment of its parent...
MSBuild doesn't copy references (DLL files) if using project dependencies in solution
I have four projects in my Visual Studio solution (everyone targeting .NET 3.5) - for my problem only these two are important:
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