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Get array of object's keys
... object is created entirely under our purview as opposed to being imported from somewhere else
– Dexygen
Jan 21 '16 at 17:35
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What is “assert” in JavaScript?
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@Don: Point taken but I was just quoting from the linked pages. I do believe assertions should be treated as if they can be disabled, if only because your code might one day be used by someone who thinks it is safe to do so. If assertions are critical to your code,...
Determine which element the mouse pointer is on top of in JavaScript
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DEMO
There's a really cool function called document.elementFromPoint which does what it sounds like.
What we need is to find the x and y coords of the mouse and then call it using those values:
var x = event.clientX, y = event.clientY,
elementMouseIsOver = document.elementFromP...
Add new row to dataframe, at specific row-index, not appended?
...swer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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rspec 3 - stub a class method
I am upgrading from rspec 2.99 to rspec 3.0.3 and have converted instance methods to use allow_any_instance_of , but haven't figured out how to stub a class method. I have code like this:
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Advantages of Binary Search Trees over Hash Tables
...ng its performance. The workaround is to choose the hash-function randomly from a family, but a BST does not have this disadvantage. Also, when the hash table pressure grows too much, you often tend to enlargen and reallocate the hash table which may be an expensive operation. The BST has simpler be...
Is it possible to put CSS @media rules inline?
...ary approach for the case where the background-image is dynamically pulled from a database. Obviously in the external stylesheet isn't the right place for that.
– Jake Wilson
Jun 4 '15 at 17:13
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How to convert a String into an ArrayList?
...ter because
we can reduce the number of ArrayList objects being created from 2 to 1. asList method creates and returns an ArrayList Object.
its performance is much better (but it returns a fixed-size list).
Please refer to the documentation here
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PHP Sort Array By SubArray Value
...val_sort($array,'optionNumber');
Use arsort instead of asort if you want from high to low.
Code credit: http://www.firsttube.com/read/sorting-a-multi-dimensional-array-with-php/
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CSS two divs next to each other
... @Mussser I agree with your comment but keep in mind this answer comes from 2009... a time when what you call "older versions of Ie" (i.e : IE8 and under) were "current" versions of IE...
– Laurent S.
Feb 6 '15 at 14:14
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