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Remove specific commit
... be a toss up between revert and rebase, and there are no straightforward examples, and the docs assume I know more than I do.
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Object of custom type as dictionary key
..._(self, other):
# Not strictly necessary, but to avoid having both x==y and x!=y
# True at the same time
return not(self == other)
The Python dict documentation defines these requirements on key objects, i.e. they must be hashable.
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What is the difference between return and return()?
... is, nothing. The parentheses are allowed because they are allowed in any expression to influence evaluation order, but in your examples they're just superfluous.
return is not a function, but a statement. It is syntactically similar to other simple control flow statements like break and continue t...
How to merge 2 JSON objects from 2 files using jq?
...e * operator. When given two objects, it will merge them recursively. For example,
jq -s '.[0] * .[1]' file1 file2
Important: Note the -s (--slurp) flag, which puts files in the same array.
Would get you:
{
"value1": 200,
"timestamp": 1382461861,
"value": {
"aaa": {
"value1": "v...
Is there a way to 'uniq' by column?
...field 1
Test result:
overflow@domain2.com,2009-11-27 00:58:29.793000000,xx3.net,255.255.255.0
stack2@domain.com,2009-11-27 01:05:47.893000000,xx2.net,127.0.0.1
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typeof for RegExp
Is there anyway to detect if a JavaScript object is a regex?
8 Answers
8
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How do I resize an image using PIL and maintain its aspect ratio?
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Define a maximum size.
Then, compute a resize ratio by taking min(maxwidth/width, maxheight/height).
The proper size is oldsize*ratio.
There is of course also a library method to do this: the method Image.thumbnail.
Below is an (edite...
Reduce left and right margins in matplotlib plot
...
One way to automatically do this is the bbox_inches='tight' kwarg to plt.savefig.
E.g.
import matplotlib.pyplot as plt
import numpy as np
data = np.arange(3000).reshape((100,30))
plt.imshow(data)
plt.savefig('test.png', bbox_inches='tight')
Another way is to use f...
How can I perform a culture-sensitive “starts-with” operation from the middle of a string?
...gs first and separately from handling different Normalization forms.
For example:
x heiße y
^--- cursor
Matches heisse but then moves cursor 1 too much. And:
x heisse y
^--- cursor
Matches heiße but then moves cursor 1 too less.
This will apply to any character that doesn't have a simp...
In Eclipse, what can cause Package Explorer “red-x” error-icon when all Java sources compile without
...d the resulting application compiles fine. However, I keep getting an "red-x" error notification in the Package Explorer.
2...