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Why can't variables be declared in a switch statement?
I've always wondered this - why can't you declare variables after a case label in a switch statement? In C++ you can declare variables pretty much anywhere (and declaring them close to first use is obviously a good thing) but the following still won't work:
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Can someone explain the traverse function in Haskell?
I am trying and failing to grok the traverse function from Data.Traversable . I am unable to see its point. Since I come from an imperative background, can someone please explain it to me in terms of an imperative loop? Pseudo-code would be much appreciated. Thanks.
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Set active tab style with AngularJS
I have routes set in AngularJS like this:
18 Answers
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JMS and AMQP - RabbitMQ
I am trying to understand what JMS and how it is connected to AMQP terminology.
I know JMS is an API and AMQP is a protocol.
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How to use SVN, Branch? Tag? Trunk?
I was googling around a little bit and couldn't find a good "beginners" guide to SVN , not in the meaning of "how do I use the commands" rather; How do I control my source code?
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What should main() return in C and C++?
What is the correct (most efficient) way to define the main() function in C and C++ — int main() or void main() — and why? And how about the arguments?
If int main() then return 1 or return 0 ?
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How to set bootstrap navbar active class with Angular JS?
If I have a navbar in bootstrap with the items
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Assignment inside lambda expression in Python
I have a list of objects and I want to remove all objects that are empty except for one, using filter and a lambda expression.
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What is the most efficient/elegant way to parse a flat table into a tree?
Assume you have a flat table that stores an ordered tree hierarchy:
14 Answers
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What is the purpose of a self executing function in javascript?
In javascript, when would you want to use this:
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