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All permutations of a Windows license key
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Disclaimer: Yes, I know that this is not Python code. It just popped into my mind and I simply had to write it down.
The simplest way is the use of shell expansion:
$ echo MPP6R-09RXG-2H{8,B}MT-{B,8}K{H,N}M9-V{6,G}C8R
MPP6R-09RXG-2H8MT-BKHM9-V6C8R
MPP6R-09RXG-2H8M...
Format timedelta to string
...otal_seconds from a timedelta object by accessing the .seconds attribute.
Python provides the builtin function divmod() which allows for:
s = 13420
hours, remainder = divmod(s, 3600)
minutes, seconds = divmod(remainder, 60)
print '{:02}:{:02}:{:02}'.format(int(hours), int(minutes), int(seconds))
#...
How to take screenshot with Selenium WebDriver
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Python
Each WebDriver has a .save_screenshot(filename) method. So for Firefox, it can be used like this:
from selenium import webdriver
browser = webdriver.Firefox()
browser.get('http://www.google.com/')
browser.save_scre...
What is the best open-source java charting library? (other than jfreechart) [closed]
...rary, a painful experience but it did what I needed. I wish that a port of Python's matplotlib were available in Java.
– Jason S
Jul 2 '13 at 22:08
6
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How can I start an interactive console for Perl?
...an interactive console for Perl, similar to the irb command for Ruby or python for Python?
23 Answers
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Find objects between two dates MongoDB
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Python and pymongo
Finding objects between two dates in Python with pymongo in collection posts (based on the tutorial):
from_date = datetime.datetime(2010, 12, 31, 12, 30, 30, 125000)
to_date = datetime.datetime(2011, 12, ...
How to put the legend out of the plot
...all, small, medium, large, x-large, xx-large, larger, smaller, None
Real Python: Python Plotting With Matplotlib (Guide)
import matplotlib.pyplot as plt
from matplotlib.font_manager import FontProperties
fontP = FontProperties()
fontP.set_size('xx-small')
p1, = plt.plot([1, 2, 3], label='Line...
How can the Euclidean distance be calculated with NumPy?
... pA, ord=2, axis=1.) # 'distances' is a list
Remember several things:
Python function calls are expensive.
[Regular] Python doesn't cache name lookups.
So
def distance(pointA, pointB):
dist = np.linalg.norm(pointA - pointB)
return dist
isn't as innocent as it looks.
>>> d...
What do the terms “CPU bound” and “I/O bound” mean?
...atch?v=_cyVDoyI6NE "CPU vs GPU (What's the Difference?) - Computerphile"
CPython Global Intepreter Lock (GIL)
As a quick case study, I want to point out to the Python Global Interpreter Lock (GIL): What is the global interpreter lock (GIL) in CPython?
This CPython implementation detail prevents mul...
How to open a new tab using Selenium WebDriver?
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Just for anyone else who's looking for an answer in Ruby/Python/C# bindings (Selenium 2.33.0).
Note that the actual keys to send depend on your OS, for example, Mac uses COMMAND + t, instead of CONTROL + t.
Ruby
require 'selenium-webdriver'
driver = Selenium::WebDriver.for :fir...