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How to filter multiple values (OR operation) in angularJS
...ant to use the filter in angular and want to filter for multiple values, if it has either one of the values then it should be displayed.
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How can I check in a Bash script if my local Git repository has changes?
There are some scripts that do not work correctly if they check for changes.
13 Answers
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How exactly does tail recursion work?
I almost understand how tail recursion works and the difference between it and a normal recursion. I only don't understand why it doesn't require stack to remember its return address.
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How do I generate a constructor from class fields using Visual Studio (and/or ReSharper)?
... to generate a constructor based on fields that are already in the class. If you try to instantiate the class with a signature that doesn't match any existing ones, it will offer to generate that constructor for you.
– James Kolpack
Jun 4 '10 at 17:45
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Is there shorthand for returning a default value if None in Python? [duplicate]
In C#, I can say x ?? "" , which will give me x if x is not null, and the empty string if x is null. I've found it useful for working with databases.
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Using try vs if in python
Is there a rationale to decide which one of try or if constructs to use, when testing variable to have a value?
9 Ans...
How to condense if/else into one line in Python? [duplicate]
Is there a way to compress an if / else statement to one line in Python?
I oftentimes see all sorts of shortcuts and suspect it can apply here too.
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How to check if multiple array keys exists
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If you only have 2 keys to check (like in the original question), it's probably easy enough to just call array_key_exists() twice to check if the keys exists.
if (array_key_exists("story", $arr) && array_key_exists("...
check if a std::vector contains a certain object? [duplicate]
Is there something in <algorithm> which allows you to check if a std:: container contains something? Or, a way to make one, for example:
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How to check for an undefined or null variable in JavaScript?
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You have to differentiate between cases:
Variables can be undefined or undeclared. You'll get an error if you access an undeclared variable in any context other than typeof.
if(typeof someUndeclaredVar == whatever) // works
if(someUnd...