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What is the most effective way for float and double comparison?
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463
Be extremely careful using any of the other suggestions. It all depends on context.
I have s...
Random record in ActiveRecord
...e current record count) as an offset.
offset = rand(Model.count)
# Rails 4
rand_record = Model.offset(offset).first
# Rails 3
rand_record = Model.first(:offset => offset)
To be honest, I've just been using ORDER BY RAND() or RANDOM() (depending on the database). It's not a performance issue ...
Mutex example / tutorial? [closed]
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How to compare only Date without Time in DateTime types in Linq to SQL with Entity Framework?
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Quintin RobinsonQuintin Robinson
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How to open in default browser in C#
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edited Jan 14 '15 at 14:21
jheriko
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Eclipse doesn't highlight references anymore
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614
There's a little "highlighter" icon on the toolbar - it toggles "Mark Occurrences".
From the pr...
Python vs Bash - In which kind of tasks each one outruns the other performance-wise? [closed]
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94
Typical mainframe flow...
Input Disk/Tape/User (runtime) --> Job Control Language (JCL) --...
How do I implement a callback in PHP?
...cation. This has allowed some elements of functional programming since PHP 4. The flavors are:
$cb1 = 'someGlobalFunction';
$cb2 = ['ClassName', 'someStaticMethod'];
$cb3 = [$object, 'somePublicMethod'];
// this syntax is callable since PHP 5.2.3 but a string containing it
// cannot be called dire...
Python code to remove HTML tags from a string [duplicate]
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What is the most pythonic way to check if an object is a number?
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