August 31, 2020

[SOLVED] Generate images with numbers


for NUMBER in `seq -w 1 20`
  convert -size 200x200 -gravity center -fill orange -font "$FONT" label:"$NUMBER" "numbers-${FONT}-${PREFIXED_NUMBER}.png"

June 17, 2019

[SOLVED] Increase playback speed of online videos (e.g. Vimeo)

  1. Go to your video URL
  2. Open developer console (e.g. F12)
  3. Paste document.getElementsByTagName('video')[0].playbackRate = 1.5;
  4. Hit Enter

October 16, 2018

[SOLVED] Inject angularjs on elements added by innerHTML (e.g. magento 1.9 checkout)

function injectIbanValidation() {

    var ibanPlaceholder = document.getElementById('iban_placeholder');

    var ibanInput = '<input type="text" ng-model="iban" ng-iban/>';

    //emulate html injection in    ibanPlaceholder.innerHTML = ibanInput;

    var ibanElement = ibanPlaceholder.querySelector('input');

    /**     * inject angular component magic     */    var $injector = angular.injector(['ng', '', ['$provide', function($provide) {
        var $rootElement = angular.element(document.querySelector('body'));
        console.log('$rootElement', $rootElement);
        $provide.value('$rootElement', $rootElement);

    if (ibanInput) {
        $injector.invoke(['$rootScope', '$compile', function($rootScope, $compile) {
            console.log('invoke', $rootScope, $compile);


August 27, 2018

[SOLVED] Update google Cloud DNS A record to your local IP via bash

#!/usr/bin/env bash
echo "My public IP:$(curl -s"

gcloud dns record-sets transaction abort -z=$ZONE_NAME
gcloud dns record-sets transaction start -z=$ZONE_NAME

#show current A record
gcloud dns record-sets list --zone $ZONE_NAME --name "$DOMAIN_NAME" --type=A

#remove old record
OLD_IP=$(gcloud dns record-sets list --zone $ZONE_NAME --name "$DOMAIN_NAME" --type=A | sed -n 2p | awk '{print $4}')
gcloud dns record-sets transaction remove -z=$ZONE_NAME \
   --name="$DOMAIN_NAME" \
   --type=A \
   --ttl=300 "$OLD_IP"

#add new record
gcloud dns record-sets transaction add -z=$ZONE_NAME \
   --name="$DOMAIN_NAME" \
   --type=A \
   --ttl=300 "$(curl -s"

#check incoming changes
gcloud dns record-sets transaction describe -z=$ZONE_NAME

#make changes
gcloud dns record-sets transaction execute -z=$ZONE_NAME

#display updated DNS records
gcloud dns record-sets list --zone $ZONE_NAME

[SOLVED] magento package.xml to modman

March 14, 2018

[SOLVED] Fatal error: Class 'Mage_Adminhtml_Helper_Help_Mapping' not found

After magento upgrade getting an error
Fatal error: Class 'Mage_Adminhtml_Helper_Help_Mapping' not found Solution: set proper rights to the parent folder app/code/core/Mage/Adminhtml/Helper/Help chmod a+x app/code/core/Mage/Adminhtml/Helper/Help chmod a+r app/code/core/Mage/Adminhtml/Helper/Help