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How do you sort an array on multiple columns?
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edited Jan 23 '15 at 12:32
answered May 6 '10 at 20:31
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Recommended way to insert elements into map [duplicate]
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insert is not a recommended way - it is one of the ways to insert into map. The difference with operator[] is that the insert can tell whether the element is inserted into the map. Also, if your class has no default constructor, you are forced to use insert. ...
Unpacking, extended unpacking and nested extended unpacking
..., but I decided to opt for completeness.
Once you know a few basic rules, it's not hard to generalize them. I'll do my best to explain with a few examples. Since you're talking about evaluating these "by hand," I'll suggest some simple substitution rules. Basically, you might find it easier to unde...
Detect If Browser Tab Has Focus
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edited Jun 26 '13 at 22:58
jwueller
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Should I impose a maximum length on passwords?
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edited Feb 8 '17 at 14:08
Community♦
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answered Sep 19 '08 at 1...
What's the maximum value for an int in PHP?
Ignoring the special libraries that allow you to work with very big numbers, what's the largest int value you can store in PHP?
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Format output string, right alignment
...t;12} {:>12}'.format(word[0], word[1], word[2])
And here's how to do it using the old % syntax (useful for older versions of Python that don't support str.format):
line_new = '%12s %12s %12s' % (word[0], word[1], word[2])
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How to trigger a file download when clicking an HTML button or JavaScript
... but I don't know how to do this, and because of how common the words are, it's hard to find what I need on search engines. I'm thinking this should be an easy one to answer.
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Python function attributes - uses and abuses [closed]
...ly use function attributes as storage for annotations. Suppose I want to write, in the style of C# (indicating that a certain method should be part of the web service interface)
class Foo(WebService):
@webmethod
def bar(self, arg1, arg2):
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then I can define
def webmethod(func...
How to avoid passing parameters everywhere in play2?
... data in actions, use them directly in views. Since we don't need to explicitly declare parameters in view, this is very easy.
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