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Are tuples more efficient than lists in Python?
... 0 (x)
24 LOAD_CONST 2 (2)
27 BINARY_SUBSCR
28 STORE_FAST 1 (y)
31 LOAD_CONST 0 (None)
34 RETURN_VALUE
>>> dis.dis(b)
2 0 LOAD_CONST 6 ((1, 2, 3, 4, 5...
Long press gesture on UICollectionViewCell
...came problematic for me when I wanted two different actions for long press vs single press.
– ShannonS
May 26 '17 at 21:57
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Why do I need 'b' to encode a string with Base64?
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alfredocamberaalfredocambera
2,5282727 silver badges2626 bronze badges
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Check whether an input string contains a number in javascript
... It does. Check in console: hasNumber("check 3.2 or 1e4") = true vs hasNumber("check no numbers") = false. Because 3.2 and 1e4 contain numbers in itself.
– Zon
Jan 17 '17 at 18:02
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Can you do this HTML layout without using tables?
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answered Feb 9 '09 at 0:27
Andrew VitAndrew Vit
18.2k66 gold badges7171 silver badges8383 bronze badges
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What is the purpose of backbone.js?
...udEdit: A Backbone.js Tutorial with Rails:
http://www.jamesyu.org/2011/01/27/cloudedit-a-backbone-js-tutorial-by-example/
http://www.jamesyu.org/2011/02/09/backbone.js-tutorial-with-rails-part-2/
p.s. There is also this wonderful Collection class that lets you deal with collections of models and ...
When do you use POST and when do you use GET?
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27 Answers
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Active
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What is the difference between #include and #include “filename”?
...rm, they can be built-in.
– aib
Jan 27 '11 at 9:28
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I've been reading this "standard headers do...
Why C# fails to compare two object types with each other but VB doesn't?
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Jon SkeetJon Skeet
1211k772772 gold badges85588558 silver badges88218821 bronze badges
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How can I determine if a variable is 'undefined' or 'null'?
...ional JS, it's taken for granted that type equality and the behavior of == vs === is understood. Therefore we use == and only compare to null.
Edit again
The comments suggesting the use of typeof are simply wrong. Yes, my solution above will cause a ReferenceError if the variable doesn't exist. ...