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Integer division: How do you produce a double?
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163
double num = 5;
That avoids a cast. But you'll find that the cast conversions are well-define...
Add a default value to a column through a migration
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358
Here's how you should do it:
change_column :users, :admin, :boolean, :default => false
B...
Search of table names
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answered Mar 3 '14 at 14:03
NeshaSerbiaNeshaSerbia
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Change timestamps while rebasing git branch
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135
git rebase --ignore-date
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Ruby send vs __send__
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243
Some classes (for example the standard library's socket class) define their own send method whic...
git cherry-pick not working
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answered Aug 15 '11 at 23:36
cdhowiecdhowie
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Compiling C++11 with g++
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543
Flags (or compiler options) are nothing but ordinary command line arguments passed to the compil...
How can one use multi threading in PHP applications
...Run
12:00:06pm: A -start -sleeps 5
12:00:06pm: B -start -sleeps 3
12:00:06pm: C -start -sleeps 10
12:00:06pm: D -start -sleeps 2
12:00:08pm: D -finish
12:00:09pm: B -finish
12:00:11pm: A -finish
12:00:16pm: C -finish
Second Run
12:01:36pm: A -start -...
Running Bash commands in Python
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328
Don't use os.system. It has been deprecated in favor of subprocess. From the docs: "This modul...
How do you add CSS with Javascript?
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answered Apr 1 '09 at 23:57
bobincebobince
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