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what is the unsigned datatype?
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Historically in C, if you omitted a datatype "int" was assumed. So "unsigned" is a shorthand for "unsigned int". This has been considered bad practice for a long time, but there is still a fair amount of code out there that uses it.
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How to filter files when using scp to copy dir recursively?
...ecursive
-a for archive (mostly all files)
-v for verbose output
-e to specify ssh instead of the default (which should be ssh, actually)
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Is there a quick way to delete a file from a Jar / war without having to extract the jar and recreat
...have p7zip installed instead of zip and in this case it's important to specify file format: 7z d -tzip file.jar dir/unwanted_file.txt
– lapo
Jul 31 '13 at 10:02
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Saving and loading objects and using pickle
...play expression in the online documentation. It's just one of the several different ways an object of type dict, which is one of several standard built-in datatypes available in Python, can be constructed.
– martineau
Dec 25 '10 at 21:52
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Dynamic constant assignment
...are the same (for the moment, anyhow), the actual string object itself is different each time the method is called. For example:
def foo
p "bar".object_id
end
foo #=> 15779172
foo #=> 15779112
Perhaps if you explained your use case—why you want to change the value of a constant in a me...
How do I install package.json dependencies in the current directory using npm
...ackage.json in the root. I want to install all the dependencies in a specific node_modules directory . How do I do this?
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How to create named and latest tag in Docker?
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This works well with something like REV=$(hg identify --num)
– analytik
Jun 3 '15 at 13:41
2
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Where should Rails 3 custom validators be stored?
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If you place your custom validators in app/validators they will be automatically loaded without needing to alter your config/application.rb file.
sha...
How to dynamically compose an OR query filter in Django?
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How can you compose raw queries with Django if you want to add optional conditions like above?
– user
Jul 13 '14 at 18:34
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CSS3 Spin Animation
...grees, not 359. Degrees of rotation are a continuous range of [0, 360) and if you rotate to 359.0 you will have a 1 degree tick at the start of every rotation when it warps from 359 to 0.
– mdonoughe
Aug 2 '17 at 0:42
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