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Installing in Homebrew errors
...e note: this command is going to remove ownership of /usr/local/mysql/data from the mysql user. In my case that prevented mysql from starting up. Fix that with: sudo chown -RL mysql:mysql /usr/local/mysql/data
– samvermette
Jun 22 '11 at 3:18
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get list from pandas dataframe column
...
Example conversion:
Numpy Array -> Panda Data Frame -> List from one Panda Column
Numpy Array
data = np.array([[10,20,30], [20,30,60], [30,60,90]])
Convert numpy array into Panda data frame
dataPd = pd.DataFrame(data = data)
print(dataPd)
0 1 2
0 10 20 30
1 20 30 60
2 ...
Why does git diff on Windows warn that the “terminal is not fully functional”?
...t say he was using bash and there is no requirement that git has to be run from bash. Personally I use the windows Command Prompt and I want a solution that works for that environment.
– David Grayson
Sep 24 '12 at 21:12
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Why use softmax as opposed to standard normalization?
... are a couple different views (same link as above):
Information Theory - from the perspective of information theory the softmax function can be seen as trying to minimize the cross-entropy between the predictions and the truth.
Probabilistic View - from this perspective we are in fact looking at t...
How to name and retrieve a stash by name in git?
...st
This will list down all your stashes.
To apply a stash and remove it from the stash stack, type:
git stash pop stash@{n}
To apply a stash and keep it in the stash stack, type:
git stash apply stash@{n}
Where n is the index of the stashed change.
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Syntax behind sorted(key=lambda: …)
...e:
sorted(mylist)
[2, 3, 3, 4, 6, 8, 23] # all numbers are in order from small to large.
Example 1:
mylist = [3,6,3,2,4,8,23]
sorted(mylist, key=lambda x: x%2==0)
[3, 3, 23, 6, 2, 4, 8] # Does this sorted result make intuitive sense to you?
Notice that my lambda function told sorte...
Nginx reverse proxy causing 504 Gateway Timeout
...at takes requests then does a proxy_pass to get the actual web application from the upstream server running on port 8001.
8...
HTML: Include, or exclude, optional closing tags?
...not contain block-level elements, and <P> is a block level element. From (w3.org/TR/REC-html40/struct/text.html#edef-P) "The P element represents a paragraph. It cannot contain block-level elements (including P itself)."
– Ian Boyd
Jun 9 '10 at 20:25
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Why do Java webapps use .do extension? Where did it come from?
...estions%2f3597582%2fwhy-do-java-webapps-use-do-extension-where-did-it-come-from%23new-answer', 'question_page');
}
);
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Django datetime issues (default=datetime.now())
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Instead of using datetime.now you should be really using from django.utils.timezone import now
Reference:
Documentation for django.utils.timezone.now
so go for something like this:
from django.utils.timezone import now
created_date = models.DateTimeField(default=now, editab...