Category Archives: Programming

Android Studio: What to Exclude While Importing a Project into Subversion?

If you put an Android Studio project under version control with Subversion, you will have to exclude some files from version control. Otherwise you will have local settings in your repository which will not work on other workstations. See what … Continue reading

Posted in Android, Android Studio, Subversion, Version control | Tagged , | 2 Comments

WebSphere Application Server: Jython Throws an IOException While Accessing Environment Variables

If you try to access an environment variable via Jython’s os.environ in wsadmin of WebSphere AS and you are on the “wrong” Windows release you will get an IOException telling you “Cannot run program “sh”: CreateProcess error=2, The system cannot … Continue reading

Posted in Java, Java EE, Jython, Programming, Python, WebSphere AS, Windows | Tagged , , | 5 Comments

ownCloud and Baikal: Problems Loading ICS Files into Calendar

When I tried to load an exported ICS file into Baikal’s calendar I encountered fatal problems. Most of the appointments could not be loaded. A similar problem occurred in conjunction with ownCloud’s calendar. The uploaded ICS file did not follow … Continue reading

Posted in Cloud, PHP | Tagged , , , , , , , , | 4 Comments

Object-oriented implementation of RSA in PHP

With this blog post I release an object-oriented PHP implementation of the RSA public key algorithm. The implementation is based on Edsko de Vries’ non-object-oriented implementation. Additionally to the object-orientation I reimplemented the signature methods which are now based on … Continue reading

Posted in Cryptographic algorithm, Cryptography, PHP, Programming, RSA | Tagged , , , | 6 Comments

Display UIC on OpenVMS as easy as id on Unix and Linux

On Unix it is easy to get your numeric UID and the GIDs of your primary group and secondary groups. You call the program id simply. On OpenVMS it is not such easy to retrieve your numeric UIC which is … Continue reading

Posted in DCL, OpenVMS | Tagged , | 2 Comments