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Random record in ActiveRecord
...a table via ActiveRecord. I've followed the example from Jamis Buck from 2006 .
25 Answers
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Difference between web reference and service reference?
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102
The low-level answer here is that a Web Reference will create a client proxy class that allows ...
Android SharedPreference security
...Application Security for the Android Platform, just published in December 2011 (disclaimer: I'm the author of this book).
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Passing a list of kwargs?
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answered Sep 30 '09 at 6:11
PeterPeter
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Creating PHP class instance with a string
...j = new $class_name();
– Birla
Jul 10 '14 at 16:58
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Please note the when using namespaces, you ...
Pair/tuple data type in Go
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edited Mar 13 '18 at 10:29
Ivan Aracki
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Spring Data JPA find by embedded object property
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edited Feb 2 '15 at 1:07
Eddie B
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answered Jun...
Label encoding across multiple columns in scikit-learn
... encode a pandas DataFrame of string labels. As the dataframe has many (50+) columns, I want to avoid creating a LabelEncoder object for each column; I'd rather just have one big LabelEncoder objects that works across all my columns of data.
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How to hide output of subprocess in Python 2.7
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Redirect the output to DEVNULL:
import os
import subprocess
FNULL = open(os.devnull, 'w')
retc...
Why are trailing commas allowed in a list?
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The main advantages are that it makes multi-line lists easier to edit and that it reduces clutter in diffs.
Changing:
s = ['manny',
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