siburu

class Zundoko {
	public static void main(String args[]) {
		java.util.Random rnd = new java.util.Random();
		int zun;
		do {
			for (zun = 0; rnd.nextBoolean(); zun++) {
				System.out.println("ズン");
			}
			System.out.println("ドコ");
		} while (zun < 4);

siburu

Test of Slideck

hoge

---

Foo

foo

---

siburu

(* How to build: corebuild -pkg lwt.unix,lwt.syntax zundoko.native *)

open Lwt.Infix

let print_zundoko x =
  Lwt_io.printl (if x then "Zun" else "Doko")

let print_kiyoshi () =
  Lwt_list.iter_s
    (fun (d,s) -> Lwt_unix.sleep d >> Lwt_io.print s)

siburu

package main

type recFunc func(int, recFunc)

func call(n int, f recFunc) {
	defer println("r", n)
	println(n)
	if n > 0 {
		f(n-1, f)
	}

siburu

#!/bin/zsh

printf '%d\n' '12+34'

printf '%d\n' '1<<10'

printf '%d\n' '5^11'

printf '%d\n' '3**5'

siburu

package main

import (
	"fmt"
	"syscall"
	"unsafe"
)

type slice struct {
	addr uintptr

siburu

package main

import (
	. "fmt"
	log4j "log"
)

func main() {
	Printf("Hello, %s.\n", "today")
	log4j.Println("Printing a log.")

siburu

// http://stackoverflow.com/questions/29005825/how-to-remove-element-of-struct-array-in-loop-in-golang

package main

func correctDeletion() {
	var array [10]int
	for i, _ := range array {
		array[i] = i
	}
	s := array[:]

siburu

package main

func main() {
	ch := make(chan struct{})
	close(ch)

	/*
		for _ = range ch {
		}
	*/

siburu

Must configure

sudo sysctl -w net.core.somaxconn=65535
sudo sysctl -w net.ipv4.tcp_max_syn_backlog=65535

Also important

net.ipv4.tcp_syncookies