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Is PHP's count() function O(1) or O(n) for arrays?
...unt the all the elements of a PHP array, or is this value cached somewhere and just gets retrieved?
3 Answers
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How to determine if a string is a number with C++?
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Also doesn't handle negative numbers and non-whole numbers. We can't know what the requirements are based on the question.
– Brennan Vincent
Jan 11 '11 at 6:24
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What is the dependency inversion principle and why is it important?
What is the dependency inversion principle and why is it important?
16 Answers
16
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Should “node_modules” folder be included in the git repository
... applications), including node_modules in your git repo is a viable choice and which alternative you choose depends on your project.
Because he argued very well against node_modules I will concentrate on arguments for them.
Imagine that you have just finished enterprise app and you will have to su...
Mipmap drawables for icons
Since Android 4.3 (Jelly Bean) we can now make use of the res/mipmap folders to store "mipmap" images.
11 Answers
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What is the difference between the remap, noremap, nnoremap and vnoremap mapping commands in Vim?
What is the difference between the remap , noremap , nnoremap and vnoremap mapping commands in Vim?
3 Answers
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What is an AngularJS directive?
I have spent quite a lot of time reading through AngularJS documentation and several tutorials, and I have been quite surprised at how unapproachable the documentation is.
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Mongoose indexing in production code
Per the Mongoose documentation for MongooseJS and MongoDB / Node.js :
3 Answers
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How to do exponentiation in clojure?
...ell: I'd recommend using this rather than going via Java interop since it handles all the Clojure arbitrary-precision number types correctly. It is in namespace clojure.math.numeric-tower.
It's called expt for exponentiation rather than power or pow which maybe explains why it's a bit hard to find ...
How to show Page Loading div until the page has finished loading?
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I've needed this and after some research I came up with this (jQuery needed):
First, right after the <body> tag add this:
<div id="loading">
<img id="loading-image" src="images/ajax-loader.gif" alt="Loading..." />
</d...