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How to set DOM element as the first child?
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answered Jan 5 '10 at 16:35
nemisjnemisj
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MySQL Cannot drop index needed in a foreign key constraint
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237
You have to drop the foreign key. Foreign keys in MySQL automatically create an index on the t...
How do I center text horizontally and vertically in a TextView?
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Find location of a removable SD card
...ill supported by the platform today), and a small feature added to Android 3.0 where it would scan additional SD cards and add them to the media provider and give apps read-only access to their files (which is also still supported in the platform today).
Android 4.4 is the first release of the platf...
In Ruby on Rails, how do I format a date with the “th” suffix, as in, “Sun Oct 5th”?
...ize method from 'active_support'.
>> time = Time.new
=> Fri Oct 03 01:24:48 +0100 2008
>> time.strftime("%a %b #{time.day.ordinalize}")
=> "Fri Oct 3rd"
Note, if you are using IRB with Ruby 2.0, you must first run:
require 'active_support/core_ext/integer/inflections'
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What exactly is a reentrant function?
...it's easy to imagine more complex pieces of code having a similar effect.
3. What exactly is the common thread between the six points mentioned that I should keep in mind while checking my code for reentrant capabilities?
You can smell a problem if your function has/gives access to a modifiable pe...
Big-O for Eight Year Olds? [duplicate]
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293
One way of thinking about it is this:
O(N^2) means for every element, you're doing something wi...
How can I get a user's media from Instagram without authenticating as a user?
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This is late, but worthwhile if it helps someone as I did not see it in Instagram's documentatio...
Get array of object's keys
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638
Use Object.keys:
var foo = {
'alpha': 'puffin',
'beta': 'beagle'
};
var keys = O...