qwr

qwr has asked 28 questions and find answers to 69 problems.

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Learning and trying to keep an open mind.

qwr questions

What are the differences between GNU grep's basic/extended and PCRE (`-P`) regular expressions? [closed]
ImageMagick create large blank image without using lots of disk
Simple way to find binary length of cpp_int
Save file locally in jupyterhub notebook running on EMR cluster
Connect different port width
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

qwr answers

Why is Hadoop considered to be I/O intensive?
Create a Polars Dataframe by appending multiple rows at a time
How to define a 2D array of (x,y) coordinates
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?