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UIViewController viewDidLoad vs. viewWillAppear: What is the proper division of labor?
...pushed, viewWillAppear is called. If you push another subview from there, and the user returns, viewWillAppear is called again.
– Kendall Helmstetter Gelner
Oct 16 '09 at 19:52
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Find value in an array
...ing that you're trying to find if a certain value exists inside the array, and if that's the case, you can use Array#include?(value):
a = [1,2,3,4,5]
a.include?(3) # => true
a.include?(9) # => false
If you mean something else, check the Ruby Array API
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How do you convert a jQuery object into a string?
... a new node to wrap the item of interest, do the manipulations, remove it, and grab the HTML.
If you're just after a string representation, then go with new String(obj).
Update
I wrote the original answer in 2009. As of 2014, most major browsers now support outerHTML as a native property (see, fo...
How do you check what version of SQL Server for a database using TSQL?
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Try
SELECT @@VERSION
or for SQL Server 2000 and above the following is easier to parse :)
SELECT SERVERPROPERTY('productversion')
, SERVERPROPERTY('productlevel')
, SERVERPROPERTY('edition')
From: http://support.microsoft.com/kb/321185
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How to find path of active app.config file?
I'm trying to finish this exception handler:
8 Answers
8
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Detect if a jQuery UI dialog box is open
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How would you do this test for any and all dialogs? Say you have ten different dialogs with separate inits and options and you want to test if ANY of them are open, not a specific selector?
– Kirk Ross
Nov 12 '14 at 21:56...
Accessing MP3 metadata with Python [closed]
... looked at couldn't. You'll have to install using pip or download the tar and execute python setup.py install from the source folder.
Relevant examples from the website are below.
Reading the contents of an mp3 file containing either v1 or v2 tag info:
import eyeD3
tag = eyeD3.Tag()
tag.lin...
How to access command line arguments of the caller inside a function?
...'m attempting to write a function in bash that will access the scripts command line arguments, but they are replaced with the positional arguments to the function. Is there any way for the function to access the command line arguments if they aren't passed in explicitly?
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How to make an empty div take space
...nother answer says putting in a min-height will make it work when floated, and certainly in my own case that worked. If that is always true (now, in 2016) then this answer is wrong. You can just add min-height: 1px; to the width: 140px; without the need to either to remove the float or add content.
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How to empty a Heroku database
...or (because the database was already created using the heroku pg:reset command). But it also loads your database schema and your seeds after the error message.
You can do this with pretty much any rake command, but there are exceptions. For example, db:reset doesn't work via heroku run rake. You ha...