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Don't understand why UnboundLocalError occurs (closure) [duplicate]
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169
Python doesn't have variable declarations, so it has to figure out the scope of variables itse...
Turn off constraints temporarily (MS SQL)
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217
You can disable FK and CHECK constraints only in SQL 2005+. See ALTER TABLE
ALTER TABLE foo NO...
Haskell: Where vs. Let
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1: The problem in the example
f :: State s a
f = State $ \x -> y
where y = ... x ...
is the parameter x. Things in the where clause can refer only to the parameters of the function f (there are none) and things in o...
What really is a deque in STL?
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190
A deque is somewhat recursively defined: internally it maintains a double-ended queue of chunk...
How to convert ActiveRecord results into an array of hashes
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212
as_json
You should use as_json method which converts ActiveRecord objects to Ruby Hashes despi...
Very simple log4j2 XML configuration file using Console and File appender
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<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="INFO">
<Appenders>
<Console name="Console" target="SYSTEM_OUT">
<PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36}...
How do I list one filename per output line in Linux?
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Use the -1 option (note this is a "one" digit, not a lowercase letter "L"), like this:
ls -1a
First, though, make sure your ls supports -1. GNU coreutils (installed on standard Linux systems) and Solaris do; but if in doubt, use...
getMonth in javascript gives previous month
...ing a datepicker which gives a date in the format Sun Jul 7 00:00:00 EDT 2013.
Even though the month says July, if I do a getMonth, it gives me the previous month.
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How do I execute a Git command without being in the repository?
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106
Try:
git --git-dir=/home/repo/.git log
It is important to give the path all the way up to t...