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C 2021-09-04 09:43:02
global and local variables in c
#include <stdio.h> //local parameters take precedance to global// /* global variable declaration */ int a = 20; int main () { /* local variable declaration in main function */ int a = 10; int b = 20; int c = 0; printf ("value... Add solution -
Shell/Bash 2021-08-30 11:13:02
bash display items in array
$ printf '%s\n' "${my_array[@]}" Add solution -
Shell/Bash 2021-08-30 05:24:02
awk round numbers up
# Basic syntax: awk 'BEGIN {printf "%.0f\n", $field_to_round}' input_file # Where: - %.0f specifies that the field_to_round will have a precision # of 0 digits (i.e. it will be rounded to an integer). # Example usage: awk 'BEGIN {printf &quo... Add solution -
Shell/Bash 2021-08-30 02:33:01
how to assign values from a loop in bash to a single variabel
results=() for time in ${seconds_list}; do results+=($(bc -l <<< "scale=2; ($cur_time-$time)/3600")) done # print the results: printf "%s\n" "${results[@]}" Add solution -
Shell/Bash 2021-08-30 01:37:02
bash print array
$ printf '%s\n' "${my_array[@]}" Add solution -
Shell/Bash 2021-08-29 08:09:03
self-documenting makefile
.PHONY: help help: @grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}' # All rules with double-hash comments will be automatically displayed in th... Add solution -
Shell/Bash 2021-08-28 19:08:02
ubuntu nvm
curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.35.3/install.sh | bash export NVM_DIR="$([ -z "${XDG_CONFIG_HOME-}" ] && printf %s "${HOME}/.nvm" || printf %s "${XDG_CONFIG_HOME}/nvm")" [ -s "$... Add solution
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