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How to get index using LINQ? [duplicate]

Given a datasource like that: 7 Answers 7 ...
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Variable number of arguments in C++?

How can I write a function that accepts a variable number of arguments? Is this possible, how? 17 Answers ...
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In what order do static/instance initializer blocks in Java run?

Say a project contains several classes, each of which has a static initializer block. In what order do those blocks run? I know that within a class, such blocks are run in the order they appear in the code. I've read that it's the same across classes, but some sample code I wrote disagrees with t...
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How do I select a random value from an enumeration?

Given an arbitrary enumeration in C#, how do I select a random value? 9 Answers 9 ...
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Getting indices of True values in a boolean list

I have a piece of my code where I'm supposed to create a switchboard. I want to return a list of all the switches that are on. Here "on" will equal True and "off" equal False . So now I just want to return a list of all the True values and their position. This is all I have but it only return t...
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What is the difference between RegExp’s exec() function and String’s match() function?

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How to re-raise an exception in nested try/except blocks?

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Why would I make() or new()?

The introduction documents dedicate many paragraphs to explaining the difference between new() and make() , but in practice, you can create objects within local scope and return them. ...
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How to compare times in Python?

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How to use int.TryParse with nullable int? [duplicate]

I am trying to use TryParse to find if the string value is an integer. If the value is an integer then skip foreach loop. Here is my code. ...