yu81’s gists

yu81 / flv_to_m4v_with_ffmpeg.sh

Last active July 9, 2019 16:39

	#!/bin/bash
	# http://kameya-z.way-nifty.com/blog/2010/10/ffmpegflvmp4-a4.html
	file_name=$1
	ffmpeg -threads 4 -y -i "${file_name}" -vcodec copy -acodec copy "${file_name/.flv/m4v}"

yu81 / Dockerfile_for_darknet_yolo

Created January 10, 2019 09:12

	# https://qiita.com/massie_g/items/a2bcfac4fed66b1b0717

	FROM ubuntu:18.04

	#
	# -- if you are using docker behind proxy, please set ENV --
	#

	#ENV http_proxy "http://proxy.yourdomain.com:8080/"
	#ENV https_proxy "http://proxy.yourdomain.com:8080/"

yu81 / jpegtran_docker.sh

Created December 30, 2018 17:46

	# :eyes: https://github.com/tgagor/docker-jpegtran
	function jpegtran_docker {
	[ $(docker images jpegtran \| wc -l) != 2 ] && return 1 # ahead of this, build jpegtran with https://github.com/tgagor/docker-jpegtran.git

	local file=$1
	[ -z $file ] && return 1

	local filedir=$(dirname ${file})
	[ ${filedir} = "." ] && filedir=$(pwd)

yu81 / 街区レベル位置参照情報.sh

Created November 16, 2017 07:42

http://nlftp.mlit.go.jp/isj/ からダウンロード可能なCSVを全て取得。

	#!/bin/bash
	for i in $(seq 1 47); do
	wget http://nlftp.mlit.go.jp/isj/dls/data/15.0a/$(printf "%02d" $i)000-15.0a.zip
	wget http://nlftp.mlit.go.jp/isj/dls/data/10.0b/$(printf "%02d" ${i})000-10.0b.zip
	done

yu81 / eureka_tech_blog_golang_regexp_bench.go

Created July 15, 2017 15:33

	// go 1.7.4 以下のベンチマークコードで go test -v -bench -benchmem を実行
	func BenchmarkMatchFooBarBaz(b *testing.B) {
	r := regexp.MustCompile("^foo")
	const input = "foo"
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
	r.MatchString(input)
	}
	}
	// -> BenchmarkMatchFoo-4 10000000 230 ns/op 0 B/op 0 allocs/op

yu81 / eureka_tech_blog_php_preg_match_bench_1.php

Created July 15, 2017 15:31

https://developers.eure.jp/tech/golang-regexp/

	<?php
	// PHP 7.0.8
	$count = 1000000;
	$start = microtime(true);
	for($i = 0;$i < $count; $i++) {
	preg_match("/^foo/", "foo");
	}
	$end = microtime(true);
	echo 1000000000 * (($end - $start) / $count) . " ns/op" . PHP_EOL;
	// -> 200 ns/op 程度

yu81 / append_string_test.go

Created December 8, 2016 09:27

	package api

	import (
	"testing"
	)

	const iteration = 2

	func Benchmark_AppendString1(b *testing.B) {
	for i := 0; i < b.N; i++ {

yu81 / zshrc_useful.sh

Last active May 23, 2016 07:08 — forked from mollifier/zshrc_useful.sh

少し凝った zshrc

	# 少し凝った zshrc
	# License : MIT
	# http://mollifier.mit-license.org/

	########################################
	# 環境変数
	export LANG=ja_JP.UTF-8
	path=(/opt/otto/bin ~/.apachehere/bin ~/.pyenv/shims ~/.rbenv/shims ~/bin(N-/) /usr/local/bin(N-/) /usr/local/heroku/bin ~/.composer ~/.composer/vendor/bin ~/.nodebrew/current/bin /Developer/NVIDIA/CUDA-7.0/bin ${path})

	export CUDA_HOME=/usr/local/cuda

yu81 / letsencrypt_cert_standalone.sh

Last active May 17, 2016 10:46

Semi-automation script of Let's Encrypt. https://letsencrypt.org/

	#!/bin/bash -xv

	letsencrypt_path=$1
	if [ ! -e ${letsencrypt_path}/certbot-auto ]; then
	pushd ~/
	git clone https://github.com/letsencrypt/letsencrypt && [ ! -e ${letsencrypt_path}/certbot-auto ] && exit 1
	popd
	fi

	domain_name=$2

yu81 / month_en_to_number.sh

Created March 29, 2016 05:49

Convert Abbreviations of month in English to numbers.

	sed -e "s/Jan/1/g" -e "s/Feb/2/g" -e "s/Mar/3/g" -e "s/Apr/4/g" -e "s/May/5/g" -e "s/Jun/6/g" -e "s/Jul/7/g" -e "s/Aug/8/g" -e "s/Sep/9/g" -e "s/Oct/10/g" -e "s/Nov/11/g" -e "s/Dec/12/g"