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Get filename and path from URI from mediastore
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615
Below API 19 use this code to get File Path from URI:
public String getRealPathFromURI(Context...
Get timezone from DateTime
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137
DateTime itself contains no real timezone information. It may know if it's UTC or local, but n...
How to check if object has any properties in JavaScript?
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16 Answers
16
Active
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Get list of data-* attributes using javascript / jQuery
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Actually, if you're working with jQuery, as of version 1.4.3 1.4.4 (because of the bug as mentioned in the comments below), data-* attributes are supported through .data():
As of jQuery 1.4.3 HTML 5 data-
attributes will be automatically
pulled in to jQuery's data object...
quick random row selection in Postgres
...ith OFFSET, as in
SELECT myid FROM mytable OFFSET floor(random()*N) LIMIT 1;
The N is the number of rows in mytable. You may need to first do a SELECT COUNT(*) to figure out the value of N.
Update (by Antony Hatchkins)
You must use floor here:
SELECT myid FROM mytable OFFSET floor(random()*N) L...
Creating NSData from NSString in Swift
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361
In Swift 3
let data = string.data(using: .utf8)
In Swift 2 (or if you already have a NSStri...
How do I add the contents of an iterable to a set?
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231
You can add elements of a list to a set like this:
>>> foo = set(range(0, 4))
>>...