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What is the scope of variables in JavaScript?

What is the scope of variables in javascript? Do they have the same scope inside as opposed to outside a function? Or does it even matter? Also, where are the variables stored if they are defined globally? ...
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What is the purpose of AsQueryable()?

Is the purpose of AsQueryable() just so you can pass around an IEnumerable to methods that might expect IQueryable , or is there a useful reason to represent IEnumerable as IQueryable ? For example, is it supposed to be for cases like this: ...
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Double negation (!!) in javascript - what is the purpose? [duplicate]

I have encountered this piece of code 3 Answers 3 ...
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Why would one use nested classes in C++?

Can someone please point me towards some nice resources for understanding and using nested classes? I have some material like Programming Principles and things like this IBM Knowledge Center - Nested Classes ...
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Efficient way to rotate a list in python

What is the most efficient way to rotate a list in python? Right now I have something like this: 26 Answers ...
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CMake output/build directory

I'm pretty new to CMake, and read a few tutorials on how to use it, and wrote some complicated 50 lines of CMake script in order to make a program for 3 different compilers. This probably concludes all my knowledge in CMake. ...
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How to parse float with two decimal places in javascript?

I have the following code. I would like to have it such that if price_result equals an integer, let's say 10, then I would like to add two decimal places. So 10 would be 10.00. Or if it equals 10.6 would be 10.60. Not sure how to do this. ...
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How to use CMAKE_INSTALL_PREFIX

I want to generate Makefile with install target, making installation to /usr instead of default /usr/local. Assuming that build directory is done in the source subdirectory, I execute: ...
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What is the maximum length of a URL in different browsers?

What is the maximum length of a URL in different browsers? Does it differ among browsers? 18 Answers ...
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Rails server says port already used, how to kill that process?

I'm on a mac, doing: 12 Answers 12 ...