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What can you use Python generator functions for?
... return a list, but instead of returning them all at once they return them one-by-one, and the generator function is paused until the next item is requested.
Generators are good for calculating large sets of results (in particular calculations involving loops themselves) where you don't know if you...
Chain-calling parent initialisers in python [duplicate]
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The way you are doing it is indeed the recommended one (for Python 2.x).
The issue of whether the class is passed explicitly to super is a matter of style rather than functionality. Passing the class to super fits in with Python's philosophy of "explicit is better than impl...
Most underused data visualization [closed]
...m "Looking at Data" earlier this year. Beyond that I would just highlight one visualization from R, and two graphics packages (which are not as widely used as base graphics, lattice, or ggplot):
Heat Maps
I really like visualizations that can handle multivariate data, especially time series data....
Given a view, how do I get its viewController?
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I'm not sure if it would break MVC principles. At any one point, a view has only one view controller. Being able to get to it in order to pass a message back to it, should be an automatic feature, not one where you have to work to achieve (by adding a property to keep track). ...
How to replace multiple white spaces with one white space
...'y';
string bigString = new string(chars);
// Assume that one form works :)
string normalized = NormalizeWithSplitAndJoin(bigString);
var suite = new TestSuite<string, string>("Normalize")
.Plus(NormalizeWithSplitAndJoin)
.Plus(Normali...
Copy file(s) from one project to another using post build event…VS2010
I have a solution with 3 projects in it. I need to copy a view from one project to another. I'm able to copy the created DLL via post build events like so:
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SQL - Update multiple records in one query
... Yee, that's fine but what when I wolud like to update 16 records in one query? I sholud use JOIN x 16 ?
– user3022527
Nov 27 '13 at 23:39
20
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Proper indentation for Python multiline strings
...You probably want to line up with the """
def foo():
string = """line one
line two
line three"""
Since the newlines and spaces are included in the string itself, you will have to postprocess it. If you don't want to do that and you have a whole lot of text, you might...
Find and kill a process in one line using bash and regex
...p '[s]leep' which doesn't have sleep in it.
When I was shown this (by someone here on SO), I immediately started using it because
it's one less process than adding | grep -v grep; and
it's elegant and sneaky, a rare combination :-)
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Things possible in IntelliJ that aren't possible in Eclipse?
I have heard from people who have switched either way and who swear by the one or the other.
41 Answers
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