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What is Castle Windsor, and why should I care?
I'm a long-time Windows developer, having cut my teeth on win32 and early COM. I've been working with .NET since 2001, so I'm pretty fluent in C# and the CLR. I'd never heard of Castle Windsor until I started participating in Stack Overflow. I've read the Castle Windsor "Getting Started" guide, b...
How do I connect to a MySQL Database in Python?
...ll it using easy_install. Please note MySQLdb only supports Python 2.
For Windows user, you can get an exe of MySQLdb.
For Linux, this is a casual package (python-mysqldb). (You can use sudo apt-get install python-mysqldb (for debian based distros), yum install MySQL-python (for rpm-based), or dn...
Case conventions on element names?
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There is no formal recommendation.
Since XML was designed with the twin purposes of holding documents and exchanging information between disparate systems, it was designed so as to be able to match the applications using it.
So .Net XML tends to use ProperCasing (witness XAML), while other X...
Any gotchas using unicode_literals in Python 2.6?
...x utf-8 encoded strings with unicode ones.
For example, consider the following scripts.
two.py
# encoding: utf-8
name = 'helló wörld from two'
one.py
# encoding: utf-8
from __future__ import unicode_literals
import two
name = 'helló wörld from one'
print name + two.name
The output of run...
How to use executables from a package installed locally in node_modules?
...r npm < 5.2.0, you can install npx package manually by running the following command:
$ npm install -g npx
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How can I obtain the element-wise logical NOT of a pandas Series?
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it may not be correct on a different platform. Win 7, python 3.6.3 numpy 1.13.3, pandas 0.20.3, (-s) will be the fastest, (~s) is the second, and np.invert(s) is the slowest one
– gaozhidf
Apr 8 '18 at 1:25
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Postgresql not creating db with “createdb” as superuser, yet not outputting errors [duplicate]
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that semi-colin for the win!
– Michael Dimmitt
Oct 5 '19 at 22:53
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Does Go have “if x in” construct similar to Python?
...markBelongsToListBestCase-4 100000000 10.4 ns/op
Switch wins all the way, worst case is surpassingly quicker than best case.
Maps are the worst and list is closer to switch.
So the moral is:
If you have a static, reasonably small list, switch statement is the way to go.
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Is explicitly closing files important?
...ug like that
you may not be able to delete said file on some systems, e.g. win32
if you run anything other than CPython, you don't know when file is closed for you
if you open the file in write or read-write mode, you don't know when data is flushed
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How do I install Python OpenCV through Conda?
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Worked for me on windows 7
– waldol1
Jun 9 '15 at 20:32
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