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How to do an INNER JOIN on multiple columns
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OK, I tried the above solution and go the following error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'INNER_JOIN airports to_port ON (to_port.code = flights.tairport) WHERE ' a...
Installing rmagick on Ubuntu
...ll didn't help me when I try to install RMagick using RubyGems. I got this error:
15 Answers
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PHPUnit: assert two arrays are equal, but order of elements not important
...ected, $actual), array_diff($actual, $expected)));
For a more detailed error message (while debugging), you can also test like this (thanks @DenilsonSá):
$this->assertSame(array_diff($expected, $actual), array_diff($actual, $expected));
Old version with bugs inside:
$this->assertEmp...
get current url in twig template?
...his made my Functional Test Fail: Uncaught PHP Exception PHPUnit_Framework_Error_Notice: "Undefined index: REQUEST_URI"
– Robin
Aug 15 '14 at 10:18
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How to define “type disjunction” (union types)?
...4
scala> f("hello")
res1: Int = 5
scala> f(9.2)
<console>:9: error: Cannot prove that Int with String <:< Double.
f(9.2)
^
Source: Comment #27 under this excellent blog post by Miles Sabin which provides another way of encoding union types in Scala.
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Java: Clear the console
... Windows 8.1: java.io.IOException: Cannot run program "cls": CreateProcess error=2, The system cannot find the file specified
– Ben Leggiero
Oct 21 '14 at 20:30
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Named capturing groups in JavaScript regex?
... whole matched string
the || [] after .exec() will prevent a destructuring error when there are no matches (because .exec() will return null)
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git pull while not in a git directory
...a no-op when <path> is empty.
'git -C ""' unhelpfully dies with error "Cannot change to ''", whereas the shell treats cd ""' as a no-op.
Taking the shell's behavior as a precedent, teach git to treat -C ""' as a no-op, as well.
4 years later, Git 2.23 (Q3 2019) documents that 'git ...
Rails - Could not find a JavaScript runtime?
...ay and I was also trying new apps with 3.0.9 and 3.0.4 but got (different) errors with them. Finally I did a new app again - and also got rails rc5 with it and added the rubytheracer and did a bunlde update and finally I can get the server up and running. Thanks Gazier!
– Mich...
How to close tag properly?
...me bits may have changed
Partly this is because browsers try very hard to error correct. Also, because there has much confusion about self-closing tags, and void tags. Finally, The spec has changed, or hasn't always been clear, and browsers try to be backwards compatible.
So, while you can pro...