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How do I create a class instance from a string name in ruby?
I have the name of a class and I want to create an instance of that class so that I can loop through each rails attribute that is present in the schema of that class.
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how do I insert a column at a specific column index in pandas?
Can I insert a column at a specific column index in pandas?
4 Answers
4
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What is the size of an enum in C?
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Taken from the current C Standard (C99): http://www.open-std.org/JTC1/SC22/WG14/www/docs/n1256.pdf
6.7.2.2 Enumeration specifiers
[...]
Constraints
The expression that defines the value of an enumeration constant shall be an integer
constan...
Multi-line commands in GHCi
I am having problem in entering multi-line commands in ghci.
5 Answers
5
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'setInterval' vs 'setTimeout' [duplicate]
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I have a div I want to display once the page loads and fade away after X seconds. Would using setTimeout with a function which changes the style to display none accomplish this?
– Batman
Feb 12 '13 at 21:02
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Determine the process pid listening on a certain port
As the title says, I'm running multiple game servers, and every of them has the same name but different PID and the port number. I would like to match the PID of the server which is listening on certain port, and then I would like to kill this process. I need that in order to complete my bas...
Filter Fiddler traffic
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Unfortunately, it has bugs that Telerik as aware of and choosing not to fix, so you will still get unwanted noise. Please help me shame them into doing something about it.
– Maxx
Jan 24 '19 at 22:45
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Immediate Child selector in LESS
...>.control {
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}
}
Note the lack of space between ">" and ".", otherwise it won't work.
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Crop MP3 to first 30 seconds
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I also recommend ffmpeg, but the command line suggested by John Boker has an unintended side effect: it re-encodes the file to the default bitrate (which is 64 kb/s in the version I have here at least). This might give your customers a false impression of the qu...
Get position of UIView in respect to its superview's superview
...c to the button in the hierarchy as asked I found this easier to visualize and understand:
From here: original source
ObjC:
CGPoint point = [subview1 convertPoint:subview2.frame.origin toView:viewController.view];
Swift:
let point = subview1.convert(subview2.frame.origin, to: viewControll.v...