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Does ARC support dispatch queues?
... now for the long answer…
If your deployment target is lower than iOS 6.0 or Mac OS X 10.8
You need to use dispatch_retain and dispatch_release on your queue. ARC does not manage them.
If your deployment target is iOS 6.0 or Mac OS X 10.8 or later
ARC will manage your queue for you. You do ...
How can I create an array with key value pairs?
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150
Use the square bracket syntax:
if (!empty($row["title"])) {
$catList[$row["datasource_id"]]...
Build vs new in Rails 3
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209
You're misreading the docs slightly. some_firm.client.new is creating a new Client object from ...
Specifying colClasses in the read.csv
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answered May 10 '10 at 18:36
George DontasGeorge Dontas
26.7k1717 gold badges100100 silver badges138138 bronze badges
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What does [ N … M ] mean in C aggregate initializers?
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90
It is initialization using Designated Initializers.
The range based initialization is a gnu...
Assigning a variable NaN in python without numpy
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170
Yes -- use math.nan.
>>> from math import nan
>>> print(nan)
nan
>>>...
How to remove specific element from an array using python
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204
You don't need to iterate the array. Just:
>>> x = ['ala@ala.com', 'bala@bala.com']
&...
What's the difference between deadlock and livelock?
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402
Taken from http://en.wikipedia.org/wiki/Deadlock:
In concurrent computing, a deadlock is a sta...
Displaying the build date
... build - they tend to refer to it as "last Thursday's" rather than build 1.0.8.4321.
25 Answers
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How does the Java 'for each' loop work?
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Sotirios Delimanolis
243k4848 gold badges601601 silver badges653653 bronze badges
answered Sep 17 '08 at 16:46
nsayernsayer
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