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Integer division: How do you produce a double?
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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...
The written versions of the logical operators
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edited Feb 6 '13 at 23:43
answered Mar 4 '10 at 2:11
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Remove unused imports in Android Studio
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Simple, right click on your project in Android Studio, then click on the Optimize Imports that ...
setImmediate vs. nextTick
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edited Mar 13 '13 at 14:10
answered Mar 11 '13 at 22:26
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What is the Oracle equivalent of SQL Server's IsNull() function?
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coalesce is supported in both Oracle and SQL Server and serves essentially the same function as...
GROUP_CONCAT ORDER BY
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You can use ORDER BY inside the GROUP_CONCAT function in this way:
SELECT li.client_id, grou...
Passing an Array as Arguments, not an Array, in PHP
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answered Apr 13 '09 at 15:02
vartecvartec
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Trigger change() event when setting 's value with val() function
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edited Apr 30 '15 at 9:12
Christos
48.7k88 gold badges5959 silver badges9393 bronze badges
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Is it safe to shallow clone with --depth 1, create commits, and pull updates again?
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Note that Git 1.9/2.0 (Q1 2014) has removed that limitation.
See commit 82fba2b, from Nguyễn...