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What is the use case of noop [:] in bash?
I searched for noop in bash (:), but was not able to find any good information. What is the exact purpose or use case of this operator?
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How can I output the value of an enum class in C++11
How can I output the value of an enum class in C++11? In C++03 it's like this:
7 Answers
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How to get the last character of a string in a shell?
I have written the following lines to get the last character of a string:
8 Answers
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How to execute a raw update sql with dynamic binding in rails
I want to execute one update raw sql like below:
8 Answers
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How to get unique values in an array
How can I get a list of unique values in an array? Do I always have to use a second array or is there something similar to java's hashmap in JavaScript?
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Templated check for the existence of a class member function?
Is it possible to write a template that changes behavior depending on if a certain member function is defined on a class?
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Best way to alphanumeric check in JavaScript
What is the best way to perform an alphanumeric check on an INPUT field in JSP ? I have attached my current code
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How can a Java variable be different from itself?
I am wondering if this question can be solved in Java (I'm new to the language). This is the code:
10 Answers
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Switch on Enum in Java [duplicate]
Why can't you switch on an enum in Java? It seems simple enough to do and would make for some convenient code. Also this question could apply to String 's. You can switch on a char , but not a String ...?
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Redirecting to a certain route based on condition
I'm writing a small AngularJS app that has a login view and a main view, configured like so:
11 Answers
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