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Reference list item by index within Django template?
...ng is that I can't say {{ data.foo }}, where foo is a variable with an index value in it and not a property name.
– Mike DeSimone
Jan 10 '11 at 23:06
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“TypeError: (Integer) is not JSON serializable” when serializing JSON in Python?
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x.astype(int) or int(x)
– zelcon
May 14 '18 at 9:58
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What do (lambda) function closures capture?
...s been answered, but as for your first:
what does the closure capture exactly?
Scoping in Python is dynamic and lexical. A closure will always remember the name and scope of the variable, not the object it's pointing to. Since all the functions in your example are created in the same scope and...
Detect IF hovering over element with jQuery
...ver.
var isHovered = $('#elem').is(":hover"); // returns true or false
Example: http://jsfiddle.net/Meligy/2kyaJ/3/
(This only works when the selector matches ONE element max. See Edit 3 for more)
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Edit 1 (June 29, 2013): (Applicable to jQuery 1.9.x only, as it works with 1.10+, see next Edit...
Function pointers, Closures, and Lambda
... lessThan;
};
I used an anonymous delegate there as a closure (it's syntax is a little clearer and closer to C than the lambda equivalent), which captured lessThan (a stack variable) into the closure. When the closure is evaluated, lessThan (whose stack frame may have been destroyed) will continue...
Update a record without first querying?
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can you provide an example?
– Bart Calixto
May 23 '12 at 15:01
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Ubuntu says “bash: ./program Permission denied” [closed]
...puter 1 and computer 2. I compiled a C++ program on computer 1, and I can execute it from the terminal using ./program_name . It runs fine.
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Use C++ with Cocoa Instead of Objective-C?
...4-bit capable. C++ seems to be pretty vanilla in its implementation on Linux and Windows but on Mac OS X it seems like additional Apple specific pieces of code are required (like an Obj-C wrapper). It also seems that Apple is forcing developers to write in Objective-C rather than C++, although I cou...
Embed SVG in SVG?
I have an SVG document, and I would like to include an external svg image within it, i.e. something like:
6 Answers
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Check if item is in an array / list
... @jdi, and that loop will run much faster than the one coded explicitly in Python, not to mention being easier to read.
– Mark Ransom
Jun 28 '12 at 19:44
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