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How do I create test and train samples from one dataframe with pandas?
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Btw, it does return a Pandas Dataframe now (just tested on Sklearn 0.16.1)
– Julien Marrec
Jul 8 '15 at 10:30
12
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Git submodule push
...e code in submodule-config in a similar way to fetch.
The git config doc now include:
push.recurseSubmodules:
Make sure all submodule commits used by the revisions to be pushed are available on a remote-tracking branch.
If the value is 'check', then Git will verify that all submo...
Is Haxe worth learning? [closed]
...sing Haxe, what makes it useful for you?
If you're a web developer, you know you can't stick with a single technology for too long. Sooner or later you'll have to deal with changes in the environment or targets (you develop for .NET but an important customer requires PHP, or maybe that widget shou...
How to validate phone numbers using regex
...ve just the "number". Doing this solves 2 problems - testing the result is now easy and you can now ensure that values rendered back out for display can all be formatted consistently. The first comment on this answer about the "Complicator's Gloves" is a good read... sometimes the answer to a probl...
Multiple constructors in python? [duplicate]
...d
def fromfilename(cls, name):
return cls(open(name, 'rb'))
# Now you can do:
c = C(fd)
# or:
c = C.fromfilename('a filename')
Notice all those classmethods still go through the same __init__, but using classmethods can be much more convenient than having to remember what combinations...
Is optimisation level -O3 dangerous in g++?
...e, I am running production software in the financial sector for many years now with -O3 and have not yet encountered a bug that would not have been there if I would have used -O2.
By popular demand, here an addition:
-O3 and especially additional flags like -funroll-loops (not enabled by -O3) can ...
Restarting cron after changing crontab file?
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Ah it's that easy. It's now sudo service cron restart.
– CMCDragonkai
Jan 10 '14 at 18:25
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What is your preferred php deployment strategy? [closed]
...se branches for nearly every change I'm working on (I've got about 5 right now), and tend to flip back and forth between them. The master branch doesn't get changed directly except for merging other branches.
I run the live server direct from the master branch, and when I'm finished with another br...
What exactly is Apache Camel?
...se Integration Patterns are.
Let's start with what we presumably already know: The Singleton pattern, the Factory pattern, etc; They are merely ways of organizing your solution to the problem, but they are not solutions themselves. These patterns were analyzed and extracted for the rest of us by th...
How to specify HTTP error code?
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This is all deprecated now, you should use res.sendStatus(401);.
– Cipi
Jun 16 '17 at 16:50
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