secf4ult

-- Get the execution plan for the last command
SELECT * FROM dbms_xplan.display_cursor();

-- Get the hinted plan for the last command
SELECT * FROM dbms_xplan.display_cursor(format=>'+outline'));

secf4ult

pipeline {
    agent any
    
    parameters {
        string(name: "myStringParam", description: "String Parameter")
        choice(choices: ["Choice 1", "Choice 2"], name: "myChoiceParam", description: "Choice Parameter")
        booleanParam(defaultValue: false, name: "myBooleanParam", description: "Boolean Parameter")
    }
    
    environment {

secf4ult

# jenkins
docker run -d -p 8081:8080 \
  -p 50000:50000 \
  --name jenkins \
  -v jenkins-vol:/var/jenkins_home \
  jenkins/jenkins:lts

secf4ult

secf4ult

#include <stdio.h>

int ack(int m, int n)
{
    int ans;
    if (m == 0) ans = n + 1;
    else if (n == 0) ans = ack(m - 1, 1);
    else ans = ack(m - 1, ack(m, n - 1));
    return (ans);
}

secf4ult

const targetMap = new WeakMap()
let activeEffect = null

function track(target, key) {
  let depsMap = targetMap.get(target)

  if (!depsMap) {
    targetMap.set(target, (depsMap = new Map()))
  }

secf4ult

#!/bin/sh
# Getting Ready
LOGDIR="~/log"
DOTFILES="~/.dotfiles"

# Update & Upgrade
sudo apt-get update -y
sudo apt-get upgrade -y

# Setup Prerequisite

secf4ult

// from Crockford's talk: https://www.youtube.com/watch?v=ya4UHuXNygM
function Y(le) {
  return (function (f) {
    return f(f)
  }(function (f) {
    return le(function (x) {
      return f(f)(x)
    })
  }))
}

secf4ult

const downloader = function (url, filename) {
  // change these two variables
  if (!url) throw new Error('url is needed!')
  filename = filename || 'newfile'

  fetch(url)
    .then(res => res.blob())
    .then(blob => {
      const url = URL.createObjectURL(blob)
      const anchor = document.createElement('a')

secf4ult

# taobao mirror
npm config set registry https://registry.npm.taobao.org/
npm config set disturl https://npm.taobao.org/mirrors/node/

# thrid-party module
MIRROR_HOST=https://npm.taobao.org/mirrors
npm config set sass_binary_site $MIRROR_HOST/node-sass/
npm config set sharp_dist_base_url $MIRROR_HOST/sharp-libvips/
npm config set electron_mirror $MIRROR_HOST/electron/
npm config set puppeteer_download_host $MIRROR_HOST/puppeteer/