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How to read the RGB value of a given pixel in Python?
...ich returns a pixel access object which you can manipulate like an array:
from PIL import Image
im = Image.open('dead_parrot.jpg') # Can be many different formats.
pix = im.load()
print im.size # Get the width and hight of the image for iterating over
print pix[x,y] # Get the RGBA Value of the a...
How to set current working directory to the directory of the script in bash?
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If you run the script from the current directory like so bash script.sh, then the value of $0 is script.sh. The only way the cd command will "work" for you is because you don't care about failed commands. If you were to use set -o errexit (aka: se...
Get boolean from database using Android and SQLite
How can I obtain the value of a boolean field in an SQLite database on Android?
10 Answers
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Define all functions in one .R file, call them from another .R file. How, if possible?
...he nuance, Bryan. I was demonstrating this as 2 scenarios that most people from procedural languages might wonder about. It is as if the files were edited to add the cyclic dependency, in which case they need to be resourced (as shown) & the cycles don't affect the sourcing of the files.
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How can I repeat a character in Bash?
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If you functionalise this it's best to rearrange it from $s%.0s to %.0s$s otherwise dashes cause a printf error.
– KomodoDave
Jul 30 '14 at 7:35
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Run an exe from C# code
I have an exe file reference in my C# project. How do I invoke that exe from my code?
5 Answers
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Indent starting from the second line of a paragraph with CSS
How can I indent starting from the second line of a paragraph?
6 Answers
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How can I open Windows Explorer to a certain directory from within a WPF app?
...ing lpDirectory,
ShowCommands nShowCmd);
}
The declarations come from the pinvoke.net website.
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Named colors in matplotlib
..., but I find it a bit difficult to get an overview of the available colors from the posted image. I prefer the colors to be grouped with similar colors, so I slightly tweaked the matplotlib answer that was mentioned in a comment above to get a color list sorted in columns. The order is not identical...
Convert to/from DateTime and Time in Ruby
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You'll need two slightly different conversions.
To convert from Time to DateTime you can amend the Time class as follows:
require 'date'
class Time
def to_datetime
# Convert seconds + microseconds into a fractional number of seconds
seconds = sec + Rational(usec, 10**6)...