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What are the differences between B trees and B+ trees?
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The image below helps show the differences between B+ trees and B trees.
Advantages of B+ tree...
Rails Console: reload! not reflecting changes in model files? What could be possible reason?
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What does it mean to start a PHP function with an ampersand?
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edited Nov 13 '11 at 2:11
KingCrunch
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a...
What is a practical use for a closure in JavaScript?
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Running the new Intel emulator for Android
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edited Jun 30 '14 at 2:43
hram908
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answered May 27 '12 at 6:44...
Unresolved external symbol on static class members
... can just use the inline specifier (see https://stackoverflow.com/a/11711082/55721)
If using older versions of the C++ standard, you must add the definitions to match your declarations of X and Y
unsigned char test::X;
unsigned char test::Y;
somewhere. You might want to also initialize a static m...
How to set up a git project to use an external repo submodule?
...pares them to Subversion's svn:externals mechanism: http://speirs.org/blog/2009/5/11/understanding-git-submodules.html
* As a best practice, you should always place your submodules in their own directory, such as Externals. If you don't, your root project directory can become very cluttered very ...
express.js - single routing handler for multiple routes in a single line
...ncy/aliasing, in which case it'll work very well.
Edit: Please also see @c24w's answer below.
Edit 2: This is a moderately popular answer. Please keep in mind that ExpressJS, as with most Node.js libraries, is a moveable feast. While the routing above does still work (I'm using it at the moment, a...
How do you clear a stringstream variable?
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For all the standard library types the member function empty() is a query, not a command, i.e. i...
Remove all whitespace in a string
...e():
(NB this only removes the “normal” ASCII space character ' ' U+0020 but not any other whitespace)
sentence = ' hello apple'
sentence.replace(" ", "")
>>> 'helloapple'
If you want to remove duplicated spaces, use str.split():
sentence = ' hello apple'
" ".join(sentence.split(...