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What happens to C# Dictionary lookup if the key does not exist?
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answered Jan 26 '10 at 11:20
Jon SkeetJon Skeet
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Handling very large numbers in Python
...num" integer type which can work with arbitrarily large numbers. In Python 2.5+, this type is called long and is separate from the int type, but the interpreter will automatically use whichever is more appropriate. In Python 3.0+, the int type has been dropped completely.
That's just an implementat...
Why does += behave unexpectedly on lists?
...t and assign it to a. They are not the same operation!
>>> a1 = a2 = [1, 2]
>>> b1 = b2 = [1, 2]
>>> a1 += [3] # Uses __iadd__, modifies a1 in-place
>>> b1 = b1 + [3] # Uses __add__, creates new list, assigns it to b1
>>> a2
[1, 2, 3] ...
Best way to parse command line arguments in C#? [closed]
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20 Answers
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Python: Why is functools.partial necessary?
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269
What functionality does functools.partial offer that you can't get through lambdas?
Not m...
Installing Python 3 on RHEL
... python executable (safer, at least on some distros yum needs python to be 2.x, such as for RHEL6) - you can install python3.* as a concurrent instance to the system default with an altinstall:
$ make altinstall
Now if you want an alternative installation directory, you can pass --prefix to the ...
android ellipsize multiline textview
...ent is large enough to display at least 4 lines with the ellipse, but only 2 lines are displayed. I tried to change the minimum and maximum number of rows of the component but it changes nothing.
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What is the difference between Left, Right, Outer and Inner Joins?
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edited Nov 2 '17 at 15:02
Dan C
10333 bronze badges
answered Jan 15 '09 at 19:18
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Can pandas automatically recognize dates?
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edited 2 days ago
answered Jul 4 '13 at 10:32
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Postgis installation: type “geometry” does not exist
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203
I had the same problem, but it was fixed by running following code
CREATE EXTENSION postgis;
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