Shouichi Kamiya shouichi

shouichi / postgresql.conf

Created June 24, 2014 16:59

	# -----------------------------
	# PostgreSQL configuration file
	# -----------------------------
	#
	# This file consists of lines of the form:
	#
	# name = value
	#
	# (The "=" is optional.) Whitespace may be used. Comments are introduced with
	# "#" anywhere on a line. The complete list of parameter names and allowed

shouichi / main.go

Created June 29, 2014 03:23

shouichi / Gemfile

Created November 13, 2014 11:59

shouichi / robin_karp.go

Created January 27, 2015 12:11

	// This packages provides Rabin-Karp string search.
	package robin_karp

	const prime = 1456667

	// Find tries to find string s in t and returns the index of the first index
	// of t where s found. Returns -1 when not found. It implements Rabin-Karp
	// algorithm.
	func Find(s, t string) int {
	ls := len(s)

shouichi / monte_pi.go

Created February 1, 2015 16:13

	// Calculates Pi using Monte Carlo. See http://montepie.herokuapp.com/
	package main

	import (
	"fmt"
	"math"
	"math/rand"
	"time"
	)

shouichi / sjis.go

Created February 4, 2015 04:30

	package main

	import (
	"flag"
	"fmt"
	"io/ioutil"
	"log"
	"os"

	"golang.org/x/text/encoding/japanese"

shouichi / MissionHistoryAnalyzer.scala

Created September 5, 2015 05:10

	package com.trlln.bbb.stream

	import java.text.SimpleDateFormat
	import java.util.Date

	import com.amazonaws.auth.EnvironmentVariableCredentialsProvider
	import com.amazonaws.services.lambda.runtime.Context
	import com.amazonaws.services.lambda.runtime.events.KinesisEvent
	import com.amazonaws.services.lambda.runtime.events.KinesisEvent.KinesisEventRecord
	import com.google.protobuf.InvalidProtocolBufferException

shouichi / 20151007094937_create_bookmarks.rb

Created October 8, 2015 15:22

	class CreateBookmarks < ActiveRecord::Migration
	def up
	execute <<-SQL
	CREATE SEQUENCE bookmarks_id_seq;

	CREATE FUNCTION next_bookmark_id(OUT result bigint) AS $$
	DECLARE
	epoch bigint := 1420070400000;
	seq_id bigint;
	now bigint;

shouichi / create_accounts.sql

Created October 27, 2015 03:01

	-- MySQL port of "Sharding & IDs at Instagram"
	-- http://instagram-engineering.tumblr.com/post/10853187575/sharding-ids-at-instagram

	CREATE TABLE account_id_seq (
	id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
	stub CHAR(1) NOT NULL,
	UNIQUE KEY stub (stub)
	);

	INSERT INTO account_id_seq (stub) VALUES ('a');

shouichi / pksha.md

Last active December 25, 2015 07:00

Finatra + MySQL + Protobufのススメ

神谷翔一

東大情報科学科出身のエンジニア

主にbackendを書く事が多い