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Python “raise from” usage
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240
The difference is that when you use from, the __cause__ attribute is set and the message states ...
Objective-C class -> string like: [NSArray className] -> @“NSArray”
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306
NSString *name = NSStringFromClass ([NSArray class]);
You can even go back the other way:
Cl...
Plotting a list of (x, y) coordinates in python matplotlib
...er this example:
import numpy as np
import matplotlib.pyplot as plt
N = 50
x = np.random.rand(N)
y = np.random.rand(N)
plt.scatter(x, y)
plt.show()
will produce:
To unpack your data from pairs into lists use zip:
x, y = zip(*li)
So, the one-liner:
plt.scatter(*zip(*li))
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How to move certain commits to be based on another branch in git?
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380
This is a classic case of rebase --onto:
# let's go to current master (X, where quickfix2 shou...
How does grep run so fast?
...omparison
# (everything is in the buffer cache)
$ time grep -c 'tg=f_c' 20140910.log
28
0.168u 0.068s 0:00.26
$ time grep -c ' /cc/merchant.json tg=f_c' 20140910.log
28
0.100u 0.056s 0:00.17
The longer form is 35% faster!
How come? Boyer-Moore consructs a skip-forward table from the pattern-st...
Can extension methods be applied to interfaces?
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answered May 5 '10 at 2:58
AaronaughtAaronaught
114k2323 gold badges247247 silver badges326326 bronze badges
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Convert String to equivalent Enum value
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answered Aug 14 '11 at 13:10
adarshradarshr
55.1k2121 gold badges128128 silver badges156156 bronze badges
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View git history for folder
... chwarr
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answered Aug 14 '12 at 10:18
knittlknittl
184k4242 gold badg...
Git pull from another repository
...t.
– Frankie Simon
Mar 9 '15 at 13:20
4
Since git 2.9, you will need to specify the --allow-unrel...
Save classifier to disk in scikit-learn
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205
Classifiers are just objects that can be pickled and dumped like any other. To continue your ex...