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Optimize a separable convolution for SIMD friendly and efficiency
Nov 01, 2025
c
image-processing
openmp
simd
ispc
Algorithm to find the number of specific continuous substrings
Nov 01, 2025
arrays
string
algorithm
complexity-theory
counting
How to make join view in C++ preserving random access?
Nov 01, 2025
c++
c++20
std-ranges
Obtaining random sample from all permutations
Nov 01, 2025
r
permutation
How do I find min value of a range
Oct 31, 2025
excel
vba
Why does pointer != NULL, but prints as (nil) with %p format specifier?
Nov 01, 2025
c
pointers
gcc
Any way to get the real last row not affected by autofilter? Without altering current autofilter status, using UsedRange nor looping cells from bottom
Nov 01, 2025
excel
vba
Find the largest itemset in agroup of itemsets with the same support efficiently
Oct 31, 2025
python
algorithm
pyspark
data-mining
fpgrowth
Capture number which twice occurrence in strings
Oct 31, 2025
regex
perl
Spaceship comparison contradicts equality operator
Nov 01, 2025
c++
c++20
spaceship-operator
Is there something better than <<- EOF in bash?
Nov 01, 2025
bash
syntax
heredoc
How to extract the hostname from a URI that includes a username and password in Perl?
Oct 31, 2025
regex
perl
ssrf
Can optimizing compiler deduplicate functions with identical assembly?
Oct 31, 2025
c
assembly
optimization
Why do we need condition variables when we can use two semaphores?
Oct 31, 2025
c
multithreading
synchronization
condition-variable
storing an R function output list in a column of lists for further processing
Oct 31, 2025
r
list
dplyr
C macro expansion order (need to understand why) [closed]
Nov 01, 2025
c
c-preprocessor
Why does template deduction for a nested std::array with one element result in a one dimensional std::array?
Nov 01, 2025
c++
template-argument-deduction
stdarray
list-initialization
Cannot understand the behaviour of pandas case_when used on Series with different indexes
Oct 31, 2025
python
pandas
series
How does Haskell understand this function? Weird behavior
Nov 01, 2025
haskell
excel - Find all rows that have 2 out of 3 columns in common, combine with the uncommon column of each to make 4 column rows
Nov 01, 2025
excel
excel-formula
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