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Peter Chaula peterchaula

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  • Johannesburg, South Africa
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@peterchaula
peterchaula / power
Created September 11, 2016 19:23
#!/bin/bash
for CPUFREQ in /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor; do [ -f $CPUFREQ ] || continue; echo -n $1 > $CPUFREQ; done
@peterchaula
peterchaula / trick-1.js
Last active October 24, 2016 14:36
/**
Fix this code
var multiplyByIndex = [];
for (var i = 0; i < 100; i ++) {
multiplyByIndex[i] = function(inputNum) {
return inputNum * i;
};
}
@peterchaula
peterchaula / hello.bf
Created November 19, 2016 07:05
Hello world in Brainfuck
++++++++[->+++++++++<]>.>++++[<+++++++>-]<+.>[-]+++[<++>-]<+..+++.>+++++++++++[<------>-]<-.>++++[<--->-]<.>+++++++[<++++++++>-]<-.>++++++[<++++>-]<.+++.------.>++[<---->-]<.>+++++++++++[<------>-]<-.
@peterchaula
peterchaula / clean-branches.sh
Created December 21, 2016 09:52
Leave master as the only branch
!#/bin/sh
git checkout master; \
git remote prune origin; \
for i in `git branch`; do
echo $i;
git branch -D $i;
done
@peterchaula
peterchaula / benchmark.php
Last active December 30, 2016 08:45 — forked from BlakeGardner/benchmark.php
Benchmark of all the hashing algorithms provided by PHP
<?php
foreach (hash_algos() as $algo) {
$start_time = microtime(TRUE);
for ($index = 0; $index <= 500000; $index++) {
$hash = hash($algo, $index);
}
@peterchaula
peterchaula / commit-and-push.sh
Created March 10, 2017 17:11
Commit and push in the case of a fire
DATE="`date +%Y-%m-%d_%H_%M`"; \
git add .; \
git commit -m "Save ${DATE}"; \
git push origin HEAD:backup-${DATE}
@peterchaula
peterchaula / history_stack.sh
Last active April 25, 2017 08:57
Implement a back stack in bash
#bash alias
alias cd="pushd . && cd"
@peterchaula
peterchaula / in_case_of_a_fire.sh
Created April 26, 2017 06:48
DATE="`date +%Y-%m-%d_%H_%M`"; \
git add .; \
git commit -m "Backup ${DATE}"; \
git push origin HEAD:backup-${DATE}
@peterchaula
peterchaula / phone_numbers.cpp
Last active February 17, 2019 11:47
Put that cleanLine function back in
#include <iostream>
#include <fstream>
#include <cstdlib>
using namespace std;
//void function declaration
string cleanLine(string line);
int main( )
{
@peterchaula
peterchaula / sync_app_data.sh
Created September 21, 2019 12:01
adb shell "mkdir -p /sdcard/tunnel" #-p flag will make the mkdir silent if the dir already exists
adb shell "run-as <package-id> cp -r /data/data/<package-id>/ /sdcard/tunnel"
adb pull /sdcard/tunnel <destination-dir>/