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How to find index of list item in Swift?
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As swift is in some regards more functional than object-oriented (and Arrays are structs, not objects), use the function "find" to operate on the array, which returns an optional value, so be prepared to handle a nil value:
let arr:Array = ["a","b","c"]...
How to enumerate an object's properties in Python?
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for property, value in vars(theObject).items():
print(property, ":", value)
Be aware that in some rare cases there's a __slots__ property, such classes often have no __dict__.
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How to read a file in Groovy into a string?
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That's the beauty of Groovy :)
– Igor
Oct 12 '11 at 17:53
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Do I have to execut...
Is it better to call ToList() or ToArray() in LINQ queries?
... need to iterate over it multiple times and it is expensive to compute. For example:
16 Answers
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What is the Invariant Culture?
... will not change. The current culture can change from one user to another, or even from one run to another, so you can't rely on it staying the same.
Being able to use the same culture each time is very important in several flows, for example, serialization: you can have 1,1 value in one culture an...
JQuery Event for user pressing enter in a textbox?
...uery that's triggered only if the user hits the enter button in a textbox? Or any plugin that can be added to include this? If not, how would I write a quick plugin that would do this?
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Do I set properties to nil in dealloc when using ARC?
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Short answer: no, you do not have to nil out properties in dealloc under ARC.
Long answer: You should never nil out properties in dealloc, even in manual memory management.
In MRR, you should release your ivars. Nilling out p...
Python unittest - opposite of assertRaises?
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@hiwaylon - No, this is the correct solution in fact. The solution proposed by user9876 is conceptually flawed: if you test for the non-raising of say ValueError, but ValueError is instead raised, your test must exit with a failure condition, not an erro...
How to format a number 0..9 to display with 2 digits (it's NOT a date)
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You can use:
String.format("%02d", myNumber)
See also the javadocs
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Difference between a “coroutine” and a “thread”?
What are the differences between a "coroutine" and a "thread"?
6 Answers
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