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What does the @ symbol represent in objective-c?
... @ in xcode.
– jchnxu
Jul 28 '14 at 13:57
11
@(99) is the same as [NSNumber numberWithInteger:99]...
express.js - single routing handler for multiple routes in a single line
...
134
I came across this question while looking for the same functionality.
@Jonathan Ong mentioned...
Best Practice - NSError domains and codes for your own project/app
...95 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.6924 13.8962 46.1709 13.2535 46.1709 11.9512V9.17788Z\"/\u003e\u003cpath d=\"M32.492 10.1419C32.492 12.6954 34.1182 14.0484 37.0451 14.0484C39.9723 14.0484 41.5985 12.6954 41.5985 10...
I want to get the type of a variable at runtime
...
132
So, strictly speaking, the "type of a variable" is always present, and can be passed around as...
brew update: The following untracked working tree files would be overwritten by merge:
...nexpectedly
– Rich Bradshaw
Feb 23 '13 at 11:55
2
...
Calculate difference between two datetimes in MySQL
...ction. For example, you can use:
SELECT TIMESTAMPDIFF(SECOND, '2012-06-06 13:13:55', '2012-06-06 15:20:18')
In your case, the third parameter of TIMSTAMPDIFF function would be the current login time (NOW()). Second parameter would be the last login time, which is already in the database.
...
Maven: missing net.sf.json-lib
...tral repo, you need to specify a classifier for this dependency.
Either jdk13 or jdk15, like this:
<dependency>
<groupId>net.sf.json-lib</groupId>
<artifactId>json-lib</artifactId>
<version>2.4</version>
<classifier>jdk15</classifier...
How do I strip non alphanumeric characters from a string and keep spaces?
...z\\s]/i, '')
– David Douglas
Dec 6 '13 at 12:09
6
slightly less wordy: @search_query.gsub!(/[^0-9...
Check if any ancestor has a class using jQuery
...
answered Jun 13 '13 at 10:32
AlexAlex
9,17522 gold badges2828 silver badges4646 bronze badges
...
Appropriate hashbang for Node.js scripts
...95 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.6924 13.8962 46.1709 13.2535 46.1709 11.9512V9.17788Z\"/\u003e\u003cpath d=\"M32.492 10.1419C32.492 12.6954 34.1182 14.0484 37.0451 14.0484C39.9723 14.0484 41.5985 12.6954 41.5985 10...