psayre23

Below are the Big O performance of common functions of different Java Collections.


List                 | Add  | Remove | Get  | Contains | Next | Data Structure
---------------------|------|--------|------|----------|------|---------------
ArrayList            | O(1) |  O(n)  | O(1) |   O(n)   | O(1) | Array
LinkedList           | O(1) |  O(1)  | O(n) |   O(n)   | O(1) | Linked List
CopyOnWriteArrayList | O(n) |  O(n)  | O(1) |   O(n)   | O(1) | Array

glenjamin

var mysql = require('mysql');

var pool = mysql.createPool('mysql://localhost');

inTransaction(pool, function(db, next) {
    db.query("DELETE * FROM stuff", function(err) {
        if (err) return next(err);

        db.query("INSERT INTO stuff VALUES (1,2,3)", function(err) {
            return next(err);

cenkalti

#!/bin/bash

# Setup
#
# - Create a new Jenkins Job
# - Mark "None" for Source Control Management
# - Select the "Build Periodically" build trigger
#   - configure to run as frequently as you like
# - Add a new "Execute Shell" build step
#   - Paste the contents of this file as the command