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UILongPressGestureRecognizer gets called twice when pressing down
I am detecting if the user has pressed down for 2 seconds:
7 Answers
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Sorting a vector in descending order
Should I use
11 Answers
11
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Go: panic: runtime error: invalid memory address or nil pointer dereference
When running my Go program, it panics and returns the following:
4 Answers
4
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Why #define TRUE (1==1) in a C boolean macro instead of simply as 1?
I've seen definitions in C
8 Answers
8
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Python xml ElementTree from a string source?
The ElementTree.parse reads from a file, how can I use this if I already have the XML data in a string?
4 Answers
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Difference between Activity and FragmentActivity
I was working on fragments and came across two things Activity and FragmentActivity which are used several times. I want to know that is there any difference between these two, because when I changed Activity with FragmentActivity , it had no effect on the app.
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Rails - Validate Presence Of Association?
I have a model A that has a "has_many" association to another model B. I have a business requirement that an insert into A requires at least 1 associated record to B. Is there a method I can call to make sure this is true, or do I need to write a custom validation?
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iOS - How to set a UISwitch programmatically
I want to set my UISwitch to on or off programmatically. How would I do that? I am an iOS newbie.
5 Answers
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Difference between dispatch_async and dispatch_sync on serial queue?
I've created a serial queue like this:
3 Answers
3
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LINQ Distinct operator, ignore case?
Given the following simple example:
4 Answers
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