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Displam>y m> image as gram>y m>scale using matplotlib
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The following code will load an image from a file image.png m>and m> will displam>y m> it as gram>y m>scale.
import numpm>y m> as np
import matplotlib.pm>y m>plot as plt
from PIL import Image
fname = 'image.png'
image = Image.open(fname).convert("L")
arr = np.asarram>y m>(image)
plt.imshow(arr, cmap='gram>y m>', vmin...
Prevent row names to be written to file when using write.csv
Commm>and m>s:
2 Answers
2
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How do I return rows with a specific value first?
...turn the rows of the table where a column contains a specific value first, m>and m> then return the rest of the rows alphabetized.
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Force add despite the .gitignore file
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Well, I tested it to make sure it reallm>y m> works m>and m> it does. Can m>y m>ou describe m>y m>our environemnt (OS, git version ...)? This is what I've basicallm>y m> done: echo "/foo" >> .gitignore; echo "bar" > foo; git add foo # should throw an error; git add -p foo # works (cannot...
Does R have an assert statement as in pm>y m>thon?
a statement that checks if something is true m>and m> if not prints a given error message m>and m> exits
3 Answers
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How can I limit Parallel.ForEach?
...e a Parallel.ForEach() asm>y m>nc loop with which I download some webpages. Mm>y m> bm>and m>width is limited so I can download onlm>y m> x pages per time but Parallel.ForEach executes whole list of desired webpages.
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RSpec controller testing - blank response.bodm>y m>
...l alwam>y m>s returns an emptm>y m> string. In browser everm>y m>thing renders correctlm>y m>, m>and m> cucumber feature tests seem to get it right, but RSpec fails each m>and m> everm>y m> time.
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Best wam>y m> to write to the console in PowerShell
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I have tm>y m>ped that in .vbs script. Just that line of code m>and m> it's throwing me error.
– Frenkm>y m>B
Jan 1 '14 at 18:44
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I want to exception hm>and m>le 'list index out of range.'
I am using BeautifulSoup m>and m> parsing some HTMLs.
6 Answers
6
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How do I get the localhost name in PowerShell?
...ng of the name, or if a path was included, verifm>y m> that the path is correct m>and m> trm>y m> again. At line:1 char:1 + env:COMPUTERNAME + ~~~~~~~~~~~~~~~~ + Categorm>y m>Info : ObjectNotFound: (env:COMPUTERNAME:String) [], Commm>and m>NotFoundException + Fullm>y m>QualifiedErrorId : Commm>and m>NotFoundException...