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How can you set class attributes from variable arguments (kwargs) in python
Suppose I have a class with a constructor (or other function) that takes a variable number of arguments and then sets them as class attributes conditionally.
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Best way to convert strings to symbols in hash
What's the (fastest/cleanest/straightforward) way to convert all keys in a hash from strings to symbols in Ruby?
31 Answers...
month name to month number and vice versa in python
...reate a reverse dictionary using the calendar module:
import calendar
{v: k for k,v in enumerate(calendar.month_abbr)}
Before Python (2.7+) you would do
dict((v,k) for k,v in enumerate(calendar.month_abbr))
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How do I see all foreign keys to a table or column?
In MySQL, how do I get a list of all foreign key constraints pointing to a particular table? a particular column? This is the same thing as this Oracle question , but for MySQL.
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How to convert a selection to lowercase or uppercase in Sublime Text
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From the Sublime Text docs for Windows/Linux:
Keypress Command
Ctrl + K, Ctrl + U Transform to Uppercase
Ctrl + K, Ctrl + L Transform to Lowercase
and for Mac:
Keypress Command
cmd + KU Transform to Uppercase
cmd + KL Transform to Lowercase
Als...
HTML+CSS: How to force div contents to stay in one line?
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Try this:
div {
border: 1px solid black;
width: 70px;
overflow: hidden;
white-space: nowrap;
}
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Split string using a newline delimiter with Python
...ou exactly that.
>>> data = """a,b,c
... d,e,f
... g,h,i
... j,k,l"""
>>> data.splitlines()
['a,b,c', 'd,e,f', 'g,h,i', 'j,k,l']
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How to filter a dictionary according to an arbitrary condition function?
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Nowadays, in Python 2.7 and up, you can use a dict comprehension:
{k: v for k, v in points.iteritems() if v[0] < 5 and v[1] < 5}
And in Python 3:
{k: v for k, v in points.items() if v[0] < 5 and v[1] < 5}
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Why does a function with no parameters (compared to the actual function definition) compile?
...unction.
parameter-list is the list of parameters that the function takes separated by commas. If no parameters are given, then the function
does not take any and should be defined with an empty set of
parenthesis or with the keyword void. If no variable type is in front
of a variable in ...
How to initialize a private static const map in C++?
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+1 for simplicity, of course using a Boost.Assign like design is pretty neat too :)
– Matthieu M.
Apr 14 '10 at 11:33
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