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How to normalize an array in NumPy?
...kit-learn you can use sklearn.preprocessing.normalize:
import numpy as np
from sklearn.preprocessing import normalize
x = np.random.rand(1000)*10
norm1 = x / np.linalg.norm(x)
norm2 = normalize(x[:,np.newaxis], axis=0).ravel()
print np.all(norm1 == norm2)
# True
...
lose vim colorscheme in tmux mode
...im does not show up. Only the color scheme I've set in iterm. If I run vim from shell the colorscheme appears correct - its only when I'm in tmux mode.
...
Notification passes old Intent Extras
...vity(context, 0, notificationIntent, PendingIntent.FLAG_UPDATE_CURRENT);
From the doc for PendingIntent.FLAG_UPDATE_CURRENT:
If the described PendingIntent already exists, then keep it but replace its extra data with what is in this new Intent. This can be used if you are creating intents wher...
Difference between ApiController and Controller in ASP.NET MVC
...rollers. They work similarly in Web API, but controllers in Web API derive from the ApiController class instead of Controller class. The first major difference you will notice is that actions on Web API controllers do not return views, they return data.
ApiControllers are specialized in returning ...
LaTeX table positioning
... paragraph. I want the 4 tables to appear between the two paragraphs which from what I've read means I should use the [h] option after beginning the table environment (e.g. \begin{table}[h] ).
...
(![]+[])[+[]]… Explain why this works
...
Where does the "i" come from?
– Josh Stodola
Nov 13 '10 at 5:00
5
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PHP: How to send HTTP response code?
...e code it does not understand, PHP will replace the code with one it knows from the same group. For example "521 Web server is down" is replaced by "500 Internal Server Error". Many other uncommon response codes from other groups 2xx, 3xx, 4xx are handled this way.
On a server with php-fpm and nginx...
Force Git to always choose the newer version during a merge?
...the version of the branch being merged, using git merge branch -X theirs.
From man git-merge:
ours:
This option forces conflicting hunks to be auto-resolved cleanly by favoring our version. Changes from the other tree that do not
conflict with our side are reflected to the merge result. ...
What is the purpose of setting a key in data.table?
...ns of the form x[i] required key to be set on x. With the new on= argument from v1.9.6+, this is not true anymore, and setting keys is therefore not an absolute requirement here as well.
## joins using < v1.9.6
setkey(X, a) # absolutely required
setkey(Y, a) # not absolutely required as long a...
How to bind 'touchstart' and 'click' events but not respond to both?
...ssume they had used a keyboard to click the item, and trigger the function from there.
– DA.
Sep 23 '11 at 15:26
7
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