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Round a Floating Point Number Down to the Nearest Integer?
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The output from math.trunc is an integer, while the output of math.floor is a float.
– evedovelli
Nov 29 '13 at 15:33
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Take a screenshot of a webpage with JavaScript?
...e worth a try. It's a drop in solution to get accurate browser screenshots from your visitors without installing a plugin (and no Java, ActiveX or Flash whatsoever).
– Gregor
Jun 19 '13 at 15:37
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Using a piano keyboard as a computer keyboard [closed]
...ut any pain issues. I would like to know if there is a way to capture MIDI from a MIDI keyboard and output keyboard strokes. I know nothing at all about MIDI but I would like some guidance on how to convert this signal into a keystroke.
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Why does the Scala compiler disallow overloaded methods with default arguments?
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I'd like to cite Lukas Rytz (from here):
The reason is that we wanted a deterministic naming-scheme for the
generated methods which return default arguments. If you write
def f(a: Int = 1)
the compiler generates
def f$default$1 = 1
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What is the difference between float and double?
...le gives 9.000000000000000066 on Mac), but all floating point types suffer from round-off errors, so if precision is very important (e.g. money processing) you should use int or a fraction class.
Furthermore, don't use += to sum lots of floating point numbers, as the errors accumulate quickly. If y...
Why do you need explicitly have the “self” argument in a Python method?
...elf in the function declaration (mind you, perhaps this is throwing stones from a glass house, since JavaScript has some pretty tricky this binding semantics)
– Jonathan Benn
Oct 23 '17 at 17:30
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rails i18n - translating text with links inside
...zle: The problem I realized with your approach is that it still won't work from inside the controller. I did some research and combined your approach with the one from Glenn on rubypond.
Here is what I came up with:
View helper, e.g. application_helper.rb
def render_flash_messages
messages ...
Determine if two rectangles overlap each other?
I am trying to write a C++ program that takes the following inputs from the user to construct rectangles (between 2 and 5): height, width, x-pos, y-pos. All of these rectangles will exist parallel to the x and the y axis, that is all of their edges will have slopes of 0 or infinity.
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Efficient way to determine number of digits in an integer
...ng a uniform distribution of numbers, the reverse linear search ( starting from max digits to 1 ) may be faster on average than the binary search as there are quite more numbers with N digits than with N-1 digits graphics.stanford.edu/~seander/…
– fa.
Sep 2...
Datatables: Cannot read property 'mData' of undefined
...ently on which can help you figure out what is different about that column from the others. Hope that helps!
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