rordi

/**
 * Javascript-based validation of Swiss AHV numbers AHVN13 / EAN13
 * [Validierung von Schweizer AHV Nummern mit Javascript]
 */

var inp = document.getElementById('ahvn13');
inp.addEventListener('change', _validateAhvn13);

var _validateAhvn13 = function(input) {
    var pattern = /^756\.(\d{4})\.(\d{4})\.(\d{2})$/; // format is 756.0000.0000.00

rordi

Debugging a Docker image

Start up the Docker container from image:

docker run --entrypoint "/bin/bash" --rm imagename:latest -c "sleep 24h"

Obtain the container hash id:

docker ps

rordi

Give crontab access to env variables of www-data user within a Docker container

docker entrypoint

CRON_ENV=/var/www/env.sh
printenv | sed 's/^\(.*\)$/export \1/g' > ${CRON_ENV}

rordi

0xAd9b1FEFC98Ee16934DB03297B351FeF2ddb3866

rordi

Simplest, configurable CORS implementation for Symfony through listeners

CorsListener.php event listener for pre-flight OPTIONS requests

<?php
/**
 * CorsListener.php
 *
 * @author Dietrich Rordorf

rordi

Easily create a PhpDoc documentation with this Docker container

Use following command from withint the root directory of your PHP project to create the PhpDocs in the ./docs subfolder of the project root. You may want to include only a ./src (Symfony) or ./app (Silex) subfolders in the analysis (do not run the documentator on the ./vendors folder):

docker run --rm -v $(pwd):/app instrumentisto/phpdoc -d /app -t ./docs

rordi

Remove a large file from previous git commit / GitHub

E.g. when accidentally committing a large file to a git repo and GitHub refises the commit.

git filter-branch --tree-filter 'rm -f path/to/large/file' HEAD

Afterwards, simply try to push to GitHub again...

rordi

Run Wordpress behind a proxy server (avoid assets being blocked)

Wordpress has issues to detect the SSL connection betwenn the client and the proxy and thus may load static assets through http instead https, which will be blocked in moderns browsers (mixed content).

To circumvent the problem, simly extend your wp-config.php by following functions (insert towards the top of the config script):

/** Proxy SSL detection */

rordi

Previous/Next navigation in Hugo with custom order based on param / attribute

This gist let's you return previous/next pages based on a frontmatter parameter in Hugo. In this exmaple, the frontmatter parameter is called position, where lower positions come first.

This prev / next navigation is looping: if there is no "next >" entry anymore, the first entry of the collection will be linked. Same for "< prev": if there is no previous element, the last element of the collection will be linked.

<div class="nav-prev-next">
    {{ $currentSection := (($.Site.GetPage "section" .Section).Pages.ByParam "position") }}

rordi

    const {Builder, By, Capabilities} = require('selenium-webdriver');

    let chromeCapabilities = Capabilities.chrome();
    let chromeOptions = {
        'args': ['--test-type', '--headles', '--incognito', '--window-size=340,750'] // approx. size of an iPhone 5/SE

    };
    
    // "chromeOptions" was changed to "goog:chromeOptions" at some point...
    chromeCapabilities.set('goog:chromeOptions', chromeOptions);