datakk mgttt

anl time

$ curl -o /dev/null -s -w '%{time_connect}:%{time_starttransfer}:%{time_total}\n' 'https://call.uchat.im'
0.177453:0.942219:0.942379
wanjochan: ~
$ curl -o /dev/null -s -w '%{time_connect}:%{time_starttransfer}:%{time_total}\n' 'https://aws.partner.net.au'
0.039028:0.145746:0.145888

#

setup

@ref https://docs.nativescript.org/angular/start/quick-setup @ref https://docs.nativescript.org/angular/start/ns-setup-os-x

homebrew

ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

nodejs 10

(https://gist.github.com/search?utf8=%E2%9C%93&q=user%3Awanjochan)

ofo长连接锁服务优化实践 https://cloud.tencent.com/developer/news/96037
dongwei's 的笔记本 - c10k https://dfsq1311.gitbooks.io/tech-note/architecture/c10k.html

000725

var {round,abs}=Math; var fixed = (n,d=0) => round( 10**d * n )/(10**d); var sgn=n=>n>0?1:-1;var tgt = (ma5,lvl,dlt) => fixed(ma5*(1+dlt*sgn(lvl))**abs(lvl),2);var calc = (ma5,lvl,dlt=0.02,amt=50000)=>{var _tgt = tgt(ma5,lvl,dlt);var _lot = fixed(amt/_tgt,-2);return [_tgt,_lot];}; calc(4.69,-2,0.01,50000)
//calc(4.69,-2,0.01,50000)

var invt = (function(){
var {round,abs}=Math;
var fixed = (n,d=0) => round( 10**d * n )/(10**d);
var sgn=n=&gt;n&gt;0?1:-1;

call exec_sql(get_upsert_sql(...))
select get_upsert_sql(db,tbl,vals)

DROP FUNCTION get_upsert_sql;
DELIMITER $$
CREATE FUNCTION get_upsert_sql (DBN VARCHAR(64), TBN VARCHAR(64), VLS TEXT)
RETURNS VARCHAR(4096)
DETERMINISTIC
BEGIN

https://github.com/zyclonite/zerotier-docker

#sudo 
docker run --name zerotier-one --device=/dev/net/tun --net=host --cap-add=NET_ADMIN --cap-add=SYS_ADMIN -v /var/lib/zerotier-one:/var/lib/zerotier-one zyclonite/zerotier &
  
docker ps

docker exec zerotier-one zerotier-cli join 8056c2e21c000001

install

https://rethinkdb.com/docs/install/

osx

brew update && brew install rethinkdb

	1. 获取真机 udid

	1）
	system_profiler SPUSBDataType \| sed -n -e '/iPad/,/Serial/p' -e '/iPhone/,/Serial/p' \| grep "Serial Number:" \| awk -F ": " '{print $2}'

	2）
	system_profiler SPUSBDataType \| sed -n -E -e '/(iPhone\|iPad)/,/Serial/s/ Serial Number: (.+)/\1/p'

	3）
	#!/bin/bash

	<?php

	$valid_passwords = array ("????" => "????");
	$valid_users = array_keys($valid_passwords);

	$user = $_SERVER['PHP_AUTH_USER'];
	$pass = $_SERVER['PHP_AUTH_PW'];

	$validated = (in_array($user, $valid_users)) && ($pass == $valid_passwords[$user]);