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@reyoung
reyoung / KVCache.h
Created December 23, 2015 06:43
A C++ 11 key-value object instance cache.
#include <memory>
#include <unordered_map>
#include <functional>
#include <mutex>
#include <glog/logging.h>
/**
* Key-Value Cache Helper.
*
* It store a object instance global. User can invoke get method by key and a
@jpillora
jpillora / rdiff-example.sh
Created July 6, 2017 06:41
rdiff file example
# $ apt install rdiff
# $ rdiff --help
# Usage: rdiff [OPTIONS] signature [BASIS [SIGNATURE]]
# [OPTIONS] delta SIGNATURE [NEWFILE [DELTA]]
# [OPTIONS] patch BASIS [DELTA [NEWFILE]]
# Options:
# -v, --verbose Trace internal processing
# -V, --version Show program version
# -?, --help Show this help message
@jdarpinian
jdarpinian / C and shell polyglot.cmd
Last active August 7, 2023 09:42
Polyglot files that can run on Windows, Linux, and Mac using bash, cmd, and C.
#if 0 // 2>NUL & GOTO :startbatch
COMPILER_OPTIONS="-g -Wall -Wextra --std=c99 -O1";THIS_FILE="$(cd "$(dirname "$0")"; pwd -P)/$(basename "$0")";OUT_FILE="/tmp/build-cache/$THIS_FILE";mkdir -p "$(dirname "$OUT_FILE")";test "$THIS_FILE" -ot "$OUT_FILE" || $(which clang || which gcc) $COMPILER_OPTIONS -xc "$THIS_FILE" -o "$OUT_FILE" || exit;exec "$OUT_FILE" "$@"
:startbatch
@echo off
setlocal enableextensions enabledelayedexpansion
md %TEMP%%~p0 2>NUL
rem Use xcopy to test if this file is newer than the cached executable.
for /f %%i in ('xcopy %0 %TEMP%%~pnx0.exe /D /Y /Q') do set copied=%%i
if "%copied:~0,1%" neq "0" (
rem Search for Visual Studio env vars. These are set globally if VS <2017 is installed.
@FreddieOliveira
FreddieOliveira / docker.md
Last active November 17, 2024 21:14
This tutorial shows how to run docker natively on Android, without VMs and chroot.

Docker on Android 🐋📱

Edit 🎉

All packages, except for Tini have been added to termux-root. To install them, simply pkg install root-repo && pkg install docker. This will install the whole docker suite, left only Tini to be compiled manually.


Summary

@skeeto
skeeto / summarize.c
Created March 5, 2023 20:44
P-square summary
// Summarize a numeric sequence
// Ref: https://old.reddit.com/r/commandline/comments/11hw06b
// Ref: https://github.com/ahmedakef/summarize
// This is free and unencumbered software released into the public domain.
#include <float.h>
#include <stdio.h>
#include <stdlib.h>
typedef struct {
double sum, err;