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Best way to require all files from a directory in ruby?
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edited Apr 27 '10 at 12:13
JasonSmith
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How do you join on the same table, twice, in mysql?
I have 2 tables. One (domains) has domain ids, and domain names (dom_id, dom_url).
3 Answers
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Why is a round-trip conversion via a string not safe for a double?
... *dst = 0;
}
}
It turns out that _ecvt returns the string 845512408225570.
Notice the trailing zero? It turns out that makes all the difference!
When the zero is present, the result actually parses back to 0.84551240822557006, which is your original number -- so it compares equal, and h...
Using parameters in batch files at Windows command line
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As others have already said, parameters passed through the command line can be accessed in bat...
Underscore: sortBy() based on multiple attributes
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sortBy says that it is a stable sort algorithm so you should be able to sort by your second pr...
C# Sort and OrderBy comparison
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92
Why not measure it:
class Program
{
class NameComparer : IComparer<string>
{
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WPF: Setting the Width (and Height) as a Percentage Value
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answered Apr 4 '09 at 16:24
gcoresgcores
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Ruby on Rails: How can I revert a migration with rake db:migrate?
...nt to revert.
eg. if you want to revert a migration with file name 3846656238_create_users.rb
rake db:migrate:down VERSION=3846656238
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parseInt vs unary plus, when to use which?
...l character, like the period that is intended to be a decimal point ..
+'2.3' === 2.3; //true
parseInt('2.3',10) === 2; //true
parseInt and parseFloat parses and builds the string left to right. If they see an invalid character, it returns what has been parsed (if any) as a number, a...
What is the GAC in .NET?
...ssembly
C:\Windows\assembly>dir
Directory of C:\Windows\assembly
07/20/2009 02:18 PM <DIR> GAC
06/17/2009 04:22 PM <DIR> GAC_32
06/17/2009 04:22 PM <DIR> GAC_64
06/17/2009 04:22 PM <DIR> GAC_MSIL
...snip...
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