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What are good uses for Python3's “Function Annotations”
...Fast-forward to 2015 , python.org/dev/peps/pep-0484 and mypy-lang.org are starting to prove all naysayers wrong.
– Mauricio Scheffer
Sep 23 '15 at 10:37
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How to set a Django model field's default value to a function call / callable (e.g., a date relative
...e.now()+timedelta(days=1) is absolutely wrong!
It gets evaluated when you start your instance of django. If you are under apache it will probably work, because on some configurations apache revokes your django application on every request, but still you can find you self some day looking through ou...
Label encoding across multiple columns in scikit-learn
... the fit(), transform(), and fit_transform() methods. In your case, a good start might be something like this:
import pandas as pd
from sklearn.preprocessing import LabelEncoder
from sklearn.pipeline import Pipeline
# Create some toy data in a Pandas dataframe
fruit_data = pd.DataFrame({
'fru...
Disable assertions in Python
...al. The value for the built-in variable is determined when the interpreter starts.
From the usage docs:
-O
Turn on basic optimizations. This changes the filename extension for compiled (bytecode) files from .pyc to .pyo. See also PYTHONOPTIMIZE.
and
PYTHONOPTIMIZE
If this is se...
abort, terminate or exit?
...ror site and it cannot exit via an exception, but technically you can even start your message pump inside. For the list of useful things that you can do inside, see my other post.
In particular, note that std::terminate is considered an exception handler in contexts where std::terminate is called d...
Java multiline string
...StringBuilder, String.format, String.join) would only be preferable if you started with an array of strings.
Consider this:
String s = "It was the best of times, it was the worst of times,\n"
+ "it was the age of wisdom, it was the age of foolishness,\n"
+ "it was the epoch of be...
SBT stop run without exiting
...any thread to read stdin and shutdown, not just the main thread.
Finally, start sbt, optionally switch to the subproject you want to run, run.
Now, when you want to stop the process, close its stdin by typing CTRL-D in the sbt shell.
...
How to attach javadoc or sources to jars in libs folder?
...
Thanks @JJD that worked great. I just had to restart Eclipse before it started working.
– javajavajavajavajava
Aug 16 '12 at 14:25
26
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htaccess redirect to https://www
... the best way I found for Proxy and not proxy users
RewriteEngine On
### START WWW & HTTPS
# ensure www.
RewriteCond %{HTTP_HOST} !^www\. [NC]
RewriteRule ^ https://www.%{HTTP_HOST}%{REQUEST_URI} [L,R=301]
# ensure https
RewriteCond %{HTTP:X-Forwarded-Proto} !https
RewriteCond %{HTTPS} off
R...
CharSequence VS String in Java?
...the data, and 4 instances of a CharSequence implementation that tracks the start and length.
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