Manjaro bug: Wifi gone after wake-up from hibernation
I recently started to run Manjaro on one of my non-essential production machines as a replacement candidate for Ubuntu which had a couple of annoying malfunctions since 16.04 (dropped fglx
Author: Jens Libuda
What to do about “QPSQL driver not loaded”
If you created a PostgreSQL database object in your code with QtSql’s QSqlDatabase::addDatabase(“PSQL”); your will sometimes get an Application Output like this:
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QSqlDatabase: QPSQL driver not loaded. QSqlDatabase: available drivers: QSQLITE |
Qt Designer – Finding header files in project subdirectories
In order to organize larger Qt projects, I usually create subdirectories to hold different “components” of the project. For instance, I like to extend Qt’s QLineEdit into my own DateLine
undefined reference `__stack_chk_fail’ in luasocket build
In recent OpenWRT releases, the build fails because there is a couple of error messages indicating that the luasocket sources contain undefined references to `__stack_chk_fail_local’.
Git installation bug in OpenWRT’s Chaos Calmer 15.05.1
If you compiled OpenWRT’s Chaos Calmer 15.05.1 stable release from source and installed git by opkg, you will get a git version which is both outdated (version 2.3.5-1 while the
Quick Tip: Setting header and footer margins in g-brief for LaTeX
If you are an old-fashioned folk like me, you will probbably use LaTeX instead of Microsoft Office or LibreOffice to write your letters. Although there have been some successor document
Always trouble with Karel…
If you want to learn about computer science in general and about Java programming in particular, maybe one of the best learning ressources to look at is the CS106A online
SSL host verification with Duplicity
After my recent upgrade of duplicity to version 0.7.07, the software suddenly refused to connect to my webdav storage provider throwing an error message that the SSL cerificate failed to
Installing a Prosody XMPP Server on OpenWRT
XMPP is an open source protocol for instant messaging, audio and video conferencing and data exchange. It is superior to solutions like WhatsApp, Skype or Facetime because it is decentralized
Compiling duplicity for OpenWRT
A couple of months ago, I already presented a method to compile duplicity for OpenWRT. With the release of oWRT’s Chaos Calmer, a few of the major obstacles have disappeared,