AlexChesters

Processing JSON using jq

jq is useful to slice, filter, map and transform structured json data.

Installing jq

On Mac OS

brew install jq

AlexChesters

// ==UserScript==
// @name     No More HN Discussions
// @version  0.0.1
// @grant    none
// @include https://news.ycombinator.com/*
// ==/UserScript==


// hide all comments
const allTableLinks = document.querySelectorAll('td.subtext > a')

AlexChesters

// ==UserScript==
// @name         Jenkins - select all plugins
// @version      0.1
// @description  provides a utility button to allow you to select all Jenkins plugins at once
// @author       Alex Chesters
// @match        https://ci.itv.test.tools.bbc.co.uk/pluginManager/
// ==/UserScript==

const selectAll = () => {
  const allInputs = document.querySelectorAll('table input')

AlexChesters

const UKPD = require('ukpd')

try {
  const data = await UKPD.streetLevel('52.629729', '-1.131592', '2016-07')
  console.log(`there were ${data.length} crimes in the area during 2016-07`)
} catch (err) {
  console.error('An error occurred', err)
}

AlexChesters

const invertPromise = (promise) => new Promise(
  (resolve, reject) => promise.then(reject, resolve)
)

const raceToSuccess = (promises) => invertPromise(
  Promise.all(promises.map(invertPromise))
)

const fast = () => {
  return new Promise((resolve) => {

AlexChesters

{
  "Description": "A Budget, with alarm, to monitor My Component",
  "Resources": {
    "EmailTopic": {
      "Type": "AWS::SNS::Topic",
      "Properties": {
        "Subscription": [
          {
            "Endpoint": "[email protected]",
            "Protocol": "email"

AlexChesters

import boto3

client = boto3.client(‘rekognition’, region_name=’eu-west-1')
def compare_faces(source_image_path, target_image_path):
    source_image = open(source_image_path, ‘rb’)
    target_image = open(target_image_path, ‘rb’)
    response = client.compare_faces(
        SourceImage={‘Bytes’: bytearray(source_image.read())},
        TargetImage={‘Bytes’: bytearray(target_image.read())}
    )

AlexChesters

@Library('connected-tv-pipeline-shared-library') _

pipeline {
    stages {
        stage('Install dependencies') {
            steps {
                script {
                    new org.casper.Casper().installDependencies()
                }
            }

AlexChesters

stage('Set the build display name') {
    steps {
        script {
            CURRENT_BRANCH = sh(returnStdout: true, script: 'git rev-parse --abbrev-ref HEAD').trim()
            CURRENT_HASH = sh(returnStdout: true, script: 'git rev-parse --short HEAD').trim()
            currentBuild.displayName = "$CURRENT_BRANCH - $CURRENT_HASH"
        }
    }
}

AlexChesters

pipeline {
    stages {
        stage('Preparation') {          
            env.mvnHome = tool 'M3'
        }
        stage('Build') {
            sh "'${mvnHome}/bin/mvn' -Dmaven.test.failure.ignore clean package"
        }
    }
    post {