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Significant new inventions in computing since 1980
...nts about different kinds of progress in computing over the last 50 years or so.
129 Answers
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Convert a number range to another range, maintaining ratio
...(((OldValue - OldMin) * (NewMax - NewMin)) / (OldMax - OldMin)) + NewMin
Or a little more readable:
OldRange = (OldMax - OldMin)
NewRange = (NewMax - NewMin)
NewValue = (((OldValue - OldMin) * NewRange) / OldRange) + NewMin
Or if you want to protect for the case where the old range is 0 (...
Comma separator for numbers in R?
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You can try either format or prettyNum, but both functions return a vector of characters. I'd only use that for printing.
> prettyNum(12345.678,big.mark=",",scientific=FALSE)
[1] "12,345.68"
> format(12345.678,big.mark=",",scientific=FALS...
Remove duplicate values from JS array [duplicate]
I have a very simple JavaScript array that may or may not contain duplicates.
54 Answers
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Differences between numpy.random and random.random in Python
...self in other people's code so I ended up using the numpy.random module for some things (for example for creating an array of random numbers taken from a binomial distribution) and in other places I use the module random.random .
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When vectors are allocated, do they use memory on the heap or the stack?
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vector<Type> vect;
will allocate the vector, i.e. the header info, on the stack, but the elements on the free store ("heap").
vector<Type> *vect = new vector<Type>;
allocates everything on the free store.
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How to create a directory and give permission in single command
How to create a directory and give permission in single command in Linux?
8 Answers
8
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Differences in string compare methods in C#
... be used over the others? Should one be avoided at all costs? Are there more I haven't listed?
11 Answers
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What do the python file extensions, .pyc .pyd .pyo stand for?
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.py: This is normally the input source code that you've written.
.pyc: This is the compiled bytecode. If you import a module, python will build a *.pyc file that contains the bytecode to make importing it again later easier (and faster).
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The type or namespace name could not be found [duplicate]
...One is a test project (I'll call it " PrjTest "), the other is a Windows Forms Application project (I'll call it " PrjForm "). There is also a third project referenced by PrjForm, which it is able to reference and use successfully.
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