You may run into some OpenGL issues while trying to run your Kivy app in your VirtualBox Windows VM. Your Command Line (CMD) may display […]
Scripting, UNIX/Linux, Virtualization
OpenShift PVC Mount failure: already contains mpath_member
A while ago, the VMs that hosted my OpenShift platform were rebooted. For most of it, all nodes and containers came back gracefully. However, there […]
Scripting, UNIX/Linux, Virtualization
OpenShift system:admin requires credentials
As outlined in this issue, you may run into a problem where you want to log into the OpenShift cluster as system:admin from one of […]
UNIX/Linux, Virtualization
Docker image pull timeout in OpenShift during build or deploy
The default time that OpenShift waits to pull an image during a build or deploy may not be long enough, especially if your images are […]
Scripting, UNIX/Linux
Mount exfat USB drive in Fedora
You may be running into a problem trying to mount an exfat USB drive for the first time in your Fedora OS: You will need […]
Database, Hacks, MongoDB, UNIX/Linux
Compile and install MongoDB on Raspberry PI
A 32 bit version of Raspbian is currently the most common OS that runs on a Raspberry PI. RPI 3 comes equipped with a 64 […]
Database, Java, MongoDB
MongoDB ClassCastException with new GridFS API
Starting with the MongoDB Java API 3.1 a new GridFS API has been added. It is available under the com.mongodb.client.gridfs package. If you are building […]
.NET, C#, Windows
Handling Big Red X DataGridView
The reason why sometimes a grid control shows a big red X and stops working properly is because an unhandled exception has occurred during the […]
.NET, C#
targetNamespace issue with XmlSchemaSet
When attempting to validate your XML Document against a schema file in .NET, you might see the following error message: [System.Xml.Schema.XmlSchemaException] = {“The targetNamespace parameter […]
PHP, WordPress
WordPress Media Upload Error – No Temp Directory
You can configure WordPress and tell it which path it should use for its temporary directory, for instance to upload media files. In many cases […]