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How to list of all the tables defined for the database when using active record?
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261
Call ActiveRecord::ConnectionAdapters::SchemaStatements#tables. This method is undocumented in ...
Visual Studio 2010 - C++ project - remove *.sdf file
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edited Jun 24 '16 at 3:34
Failed Scientist
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JavaScript OOP in NodeJS: how?
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116
This is an example that works out of the box. If you want less "hacky", you should use inherit...
How to fade to display: inline-block
...S out of my JS.
– joshuadelange
Jul 17 '13 at 15:30
14
@joshuadelange not really, opacity is also...
Nullable ToString()
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112
You are quite correct. Also in this question, the former solution is suggested while nobody ac...
How to Truncate a string in PHP to the word closest to a certain number of characters?
...ork_TestCase {
public function testBasic() {
$this->assertEquals("1 3 5 7 9 ",
tokenTruncate("1 3 5 7 9 11 14", 10));
}
public function testEmptyString() {
$this->assertEquals("",
tokenTruncate("", 10));
}
public function testShortString() {
$this->assert...
SQL join: selecting the last records in a one-to-many relationship
...n StackOverflow.
Here's how I usually recommend solving it:
SELECT c.*, p1.*
FROM customer c
JOIN purchase p1 ON (c.id = p1.customer_id)
LEFT OUTER JOIN purchase p2 ON (c.id = p2.customer_id AND
(p1.date < p2.date OR (p1.date = p2.date AND p1.id < p2.id)))
WHERE p2.id IS NULL;
Explana...
What does !! mean in ruby?
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161
Not not. It's used to convert a value to a boolean:
!!nil #=> false
!!"abc" #=> true...