qwr

qwr has asked 21 questions and find answers to 66 problems.

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Learning and trying to keep an open mind.

qwr questions

Is a > c / b a safer equivalent (but avoiding overflow) version of a * b > c for positive integer division?
Difference between .section .text and .text with gas
Return value from writing an unused parameter when falling off the end of a non-void function
How do numpy and GMPY2 compare with GMP in terms of speed?
Python 3 set default bytes encoding
Does GMPY2 (or GMP) have a pow() function?
Fluid simulation boundaries and advect
Fluid Simulation "Blows Up"
Why is this improved sieve slower with pypy?
Chudnovsky binary splitting and factoring

qwr answers

Is a > c / b a safer equivalent (but avoiding overflow) version of a * b > c for positive integer division?
how does numpy.astype(np.uint8) convert a float array? -1.2997805 became 255
struct serialization in C and transfer over MPI
Opencv: Hough lines not showing
R: combine several gsub() function in a pipe
Group Data in R for consecutive rows
Why does std::bit_width return 0 for the value 0, shouldn't it return 1?
How to speed up API requests?
How do I programmatically check whether a GIF image is animated?
Convert binary (0|1) numpy to integer or binary-string?