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Check if a table exists in Rails
...ecord::Base.connection.data_source_exists? 'table_name' is the correct one now
– Dorian
Dec 30 '16 at 1:35
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How to set limits for axes in ggplot2 R plots?
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there's also now library(scales); ... + scale_x_continuous(limits = c(-5000, 5000), oob=squish) (the default is oob=censor); see ?squish, ?censor: groups.google.com/forum/#!topic/ggplot2/AsJ6xpmR9tU
– Ben Bolker
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Why don't Java's +=, -=, *=, /= compound assignment operators require casting?
...t)(i + l);
I just checked the .class file code.
Really a good thing to know
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How to insert a line break in a SQL Server VARCHAR/NVARCHAR string
... this topic, and I had to research this for something I'm working on right now. Thought I would post the answer for it in case anyone else had the same question.
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How to re-open an issue in github?
I have reported an issue to a project. Now owner changed it state to closed, but how can I change it to open again ?
I read somewhere that I need rights for push and pull operation. Is that true ?
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How can I get a list of Git branches, ordered by most recent commit?
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And now you can do this with git branch, so getting local, remote or all branches works like on git-branch (i.e. -r, -a). git branch -r --sort=committerdate --format='%(HEAD) %(color:yellow)%(refname:short)%(color:reset) - %(colo...
Print array to a file
...' => array ('x', 'y', 'z'));
$results = print_r($b, true); // $results now contains output from print_r
You can then save $results with file_put_contents. Or return it directly when writing to file:
file_put_contents('filename.txt', print_r($b, true));
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The easiest way to transform collection to array?
...test in LoC in current context) way to transform it to Foo[] ? Any well-known libraries are allowed.
8 Answers
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How to sum up elements of a C++ vector?
...g through a non-const iterator. The value at the manipulated position will now be different which will make the sum incorrect. There's no way to assure the sum is correct if client code is ever able to hold a mutable reference to any element within the "subclassed" vector.
– Br...
Git production/staging server workflow
...ently my website (production server) already have a lot of code in it.
And now I want to start using Git for my projects and setup a staging server for my team.
Can anybody give me any advise?
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