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Purpose of “consider_all_requests_local” in config/environments/development.rb?
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answered Dec 16 '08 at 23:21
Gordon WilsonGordon Wilson
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What is the meaning of the term “free function” in C++?
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Georg FritzscheGeorg Fritzsche
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regex for matching something if it is not preceded by something else
...elieve.
– emyller
Jul 17 '18 at 21:20
@emyller nope. that will match foobazbar (foo doesn't come before foobazbar, s...
Length of generator output [duplicate]
...f you have a lazy infinite generator? For example:
def fib():
a, b = 0, 1
while True:
a, b = b, a + b
yield a
This never terminates but will generate the Fibonacci numbers. You can get as many Fibonacci numbers as you want by calling next().
If you really need to know t...
What are libtool's .la file for?
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140
It is a textual file that includes a description of the library.
It allows libtool to create pl...
Is there a naming convention for Django apps
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answered Jun 23 '10 at 13:12
thraxilthraxil
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Configuring Vim for C++
... With either of these, you don't even need tabs (which does not scale for 10+ files) to manage your project.
Class navigation: Taglist or Tagbar
Edit: Updated as of July 2013
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SQL ON DELETE CASCADE, Which Way Does the Deletion Occur?
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Bhavesh Gangani
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answered Nov 18 '12 at 21:38
John WooJohn Woo
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IN vs OR in the SQL WHERE Clause
... your specific data to see which is faster.
I tried both on a MySQL with 1000000 rows. When the column is indexed there is no discernable difference in performance - both are nearly instant. When the column is not indexed I got these results:
SELECT COUNT(*) FROM t_inner WHERE val IN (1000, 2000, ...
Unique constraint that allows empty values in MySQL
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edited Oct 31 '12 at 19:00
EricC
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answered Aug 28 ...