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Rails migration: t.references with alternative name?
...read that index is already added to foreign keys as of Rails stackoverflow.com/questions/39769981/…
– Jonathan Reyes
Apr 25 '18 at 5:44
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Rounding BigDecimal to *always* have two decimal places
...s for RoundingMode.HALF_UP. As per documentation it is the rounding method commonly taught in schools - what I needed.
– silver
Jul 16 '17 at 5:40
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How to set std::tuple element by index?
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'size_t' vs 'container::size_type'
...std::allocator<T>::size_type is typically defined to be size_t (or a compatible type). So for the standard case, they are the same.
However, if you use a custom allocator a different underlying type could be used. So container::size_type is preferable for maximum generality.
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Combine --user with --prefix error with setup.py install
...hen run the necessary pip install --user or python setup.py install --user commands. Do not forget the --user flag.
Finally, remove or rename this file. Leaving this file present will cause issues when installing Python packages system-wide (i.e., without --user) as this user with this ~/.pydistuti...
iOS 7 TextKit - How to insert images inline with text?
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How to do a safe join pathname in ruby?
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I recommend using File.join
>> File.join("path", "to", "join")
=> "path/to/join"
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XPath to select element based on childs child value
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How to expand/collapse a diff sections in Vimdiff?
...3 context lines above or below, etc.). I currently know only the following commands :
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