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Modulo operator with negative values [duplicate]
...t; -6
so a%b => -1
(7/-3) => -2
-2 * -3 => 6
so a%b => 1
in python:
-7 % 3 => 2
7 % -3 => -2
in c++ to python:
(b + (a%b)) % b
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How do I sort a list of dictionaries by a value of the dictionary?
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In the documentation (docs.python.org/2/tutorial/datastructures.html) the optional key argument for list.sort() is not described. Any idea where to find that?
– TTT
Feb 21 '14 at 15:21
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Performant Entity Serialization: BSON vs MessagePack (vs JSON)
...-typing used with JSON or BSON are useful for dynamic languages like Ruby, Python or JavaScript. But troublesome for static languages. You must write boring type-checking codes.
MessagePack provides type-checking API. It converts dynamically-typed objects into statically-typed objects. Here is a si...
Get user profile picture by Id
...stagram, and gravatar. It has libraries for iOS, Android, Ruby, Node, PHP, Python, and JavaScript.
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How to change time in DateTime?
...r for the date part. I.e. DateTime is a "naive" implementation in terms of Python's datetime module.
– ivan_pozdeev
Oct 8 '14 at 11:54
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How do I expand the output display to see more columns of a pandas DataFrame?
...ring() or info() is used to render an object to a string. In case
python/IPython is running in a terminal this can be set to 0 and pandas
will correctly auto-detect the width the terminal and swap to a smaller
format in case all columns would not fit vertically. The IPython ...
How to use unicode characters in Windows command line?
...gh to use not File-I/O API, but Console-I/O API. (For an example, see how Python does it.)
Likewise, to read Unicode command-line arguments, an application (or its C runtime library) should be smart enough to use the corresponding API.
Console font rendering supports only Unicode characters in BMP ...
How to use java.String.format in Scala?
...format("Ivan", "Scala")
I also have a blog post about making format like Python's % operator that might be useful.
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Git serve: I would like it that simple
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Here is an alternative way. You will need python installed.
run git update-server-info
go to the .git directory
run python -mSimpleHTTPServer
(just create an alias in your gitconfig)
Now you can pull the repo with git pull http://HOST_NAME:8000/
PS: when usingt...
Check if a value exists in pandas dataframe index
...or ndarray out makes exist or "in" checks run more smoothly with the other python tools. Just thought I'd toss that out there for people.
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