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CAO Faktura Storno für ausgehende Zahlungen

This blog post might be outdated!
This blog post was published more than one year ago and might be outdated!
· One min read
Stephan Hochdörfer
Head of IT Business Operations

Nachdem wir vor einiger Zeit unsere CAO Faktura Version auf die Version 1.4.4.177 aktualisiert haben, ist es uns nicht mehr möglich Zahlungen für Einkäufe zu stornieren. Beim Versuch einen Storno ausführen wird die Fehlermeldung "Für diese Operation fehlen Ihnen die Rechte!" angezeigt, obwohl alle nötigen Rechte im CAO-Admin vergeben waren. Nach einer kurzen E-Mail Konversation mit dem Entwickler von CAO-Faktura war die Lösung recht einfach. Es ist folgendes SQL Statement in der Datenbank auszuführen:

Cordova SVG rendering on Android devices

This blog post might be outdated!
This blog post was published more than one year ago and might be outdated!
· One min read
Stephan Hochdörfer
Head of IT Business Operations

Recently we ran into an issue with SVG rendering in an Cordova-based Sencha Touch application. When switching back and forth between views in a TabPanel SVG images got messed up. The problem only appeared on "older" Android devices (<= 4.1.2) and only when the images were embedded via an <img> tag. The solution was simple: Replace every <img> tag with an <div> container and include the SVG image via the CSS property background-image.

Service Workers - a new way of caching for offline web apps

This blog post might be outdated!
This blog post was published more than one year ago and might be outdated!
· 3 min read
Nico Blum
Nico Blum

There's a really new -maybe- cool feature in the Chrome browser since v40. It's called "Service Workers" and is a possibility to run javascript threads which are independent from the web page. Independent means the applications js code does not have to know about the service worker. And the service worker does not block the page cause it's an own thread.

Processing CSV files in a memory efficient way

This blog post might be outdated!
This blog post was published more than one year ago and might be outdated!
· 2 min read
Florian Horn
Business Analyst Digital Sales

A little while ago I had to dive deeper into the performance optimized usage of PHPExcel. Our users are uploading files like Excel or CSV with a lot data to process. Initially we used the PHPEXcel instance without any tuning of the default configuration which lead to heavy memory issues on relativly small files. So I had to avoid reading all file content at ones to the buffer (like file_get_contents() does).

16. Webmontag.Talk beim Webmontag MRN

· One min read
Stephan Hochdörfer
Head of IT Business Operations

Am 04.05.2015 um 19:00 Uhr findet nach einer längeren Pause wieder einmal ein Webmontag.Talk in Mannheim statt. Ich freue mich dabei sein zu dürfen und etwas über "die Kunst Daten zu speichern" zu erzählen. In dem Kurzvortrag werde ich darauf eingehen welche Möglichkeiten es außer den "klassischen" Datenbanken gibt um Daten in Applikationen zu speichern und zu nutzen.

Building a release .apk package with SenchaCmd and Cordova

This blog post might be outdated!
This blog post was published more than one year ago and might be outdated!
· One min read
Stephan Hochdörfer
Head of IT Business Operations

Since it is not really documented how to build a release .apk package with SenchaCmd and Cordova I`d like to share the current workflow I use. First of all we build the native package via SenchaCmd. This results in a production build of the Sencha Touch application wrapped in a debug build of Cordova: