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Is there an exponent operator in C#?
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235
The C# language doesn't have a power operator. However, the .NET Framework offers the Math.Pow ...
Combine two columns of text in pandas dataframe
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cs95
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answered Oct 15 '13 at 10:09
silvadosilva...
Rank function in MySQL
...INSERT INTO person VALUES (2, 'Jane', 20, 'F');
INSERT INTO person VALUES (3, 'Jack', 30, 'M');
INSERT INTO person VALUES (4, 'Bill', 32, 'M');
INSERT INTO person VALUES (5, 'Nick', 22, 'M');
INSERT INTO person VALUES (6, 'Kathy', 18, 'F');
INSERT INTO person VALUES (7, 'Steve', 36, 'M');
INSERT INT...
Gem::LoadError for mysql2 gem, but it's already in Gemfile
...ith rails 4.1.5) try using this version of mysql2:
gem 'mysql2', '~> 0.3.18'
Apparently mysql2 isn't still compatible with newer version of rails because rails 4.2.4 is pretty new as the time of answering this question by me 8 September 2015 so use the above line in your Gem file and run:
bu...
How do you run multiple programs in parallel from a bash script?
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psmearspsmears
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54
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import module from string variable
...st=[''])
then i will refer to matplotlib.text.
In Python 2.7 and Python 3.1 or later, you can use importlib:
import importlib
i = importlib.import_module("matplotlib.text")
Some notes
If you're trying to import something from a sub-folder e.g. ./feature/email.py, the code will look like imp...
What do (lambda) function closures capture?
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163
Your second question has been answered, but as for your first:
what does the closure capture...
Type hinting a collection of a specified type
Using Python 3's function annotations, it is possible to specify the type of items contained within a homogeneous list (or other collection) for the purpose of type hinting in PyCharm and other IDEs?
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Java 8 NullPointerException in Collectors.toMap
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