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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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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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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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Unique ways to use the Null Coalescing operator [closed]
I know the standard way of using the Null coalescing operator in C# is to set default values.
16 Answers
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How to save a list as numpy array in python?
Is possible to construct a NumPy array from a python list?
9 Answers
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Set active tab style with AngularJS
I have routes set in AngularJS like this:
18 Answers
18
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What is the purpose of a self executing function in javascript?
In javascript, when would you want to use this:
19 Answers
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Replace a character at a specific index in a string?
I'm trying to replace a character at a specific index in a string.
8 Answers
8
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Handling Dialogs in WPF with MVVM
In the MVVM pattern for WPF, handling dialogs is one of the more complex operations. As your view model does not know anything about the view, dialog communication can be interesting. I can expose an ICommand that when the view invokes it, a dialog can appear.
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How does origin/HEAD get set?
I have a branch set up to track a ref in origin. git checkout <branchname> switches to that branch, and a git status will show me how far ahead or behind my branch is from origin, but I'm surprised that origin/HEAD still points at origin/master , and not origin/<branchname>
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