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Category: Technology
Nested hashes derail Rails’ url_for helpers
While working on the Sicirec PostgreSQL database front-end today, I had to pass a lot of nested parameters to a link_to helper in Rails. Software being what it is, this didn't work. Read More »
Automatic resizing of an HTML <textarea> element
Today, while improving the Rails GUI for the Sicirec database, I was struck once again by how annoyingly small <textarea>s can be when having the user type lots of text. Read More »
Using an outgoing SSH tunnel from behind a NAT for incoming VNC
Laurelin is working as an Au Pair for a Greek family in—where else than Greece. Her hostess has arranged for an Internet connection through Vivodi Telecom to allow Laurelin to maintain some form of contact with her friends and family at home. Read More »
Using the standard HTML link colors
Occasionally, I have to foray into web design. From the look of this blog you can deduce that I'm not really into the design part of web design. First and foremostly this is because I suck at graphics and colors. But another reason is that I assume that people visit my blog to read some text and not to look at the fancy graphical borders and background of that text. Read More »
Unique constraints and indexes in PostgreSQL
This afternoon, I had to add a unique index for some table in the Sicirec PostgreSQL database. I had already assumed that I needed to use CREATE UNIQUE INDEX to create my new unique index until I noticed, thanks to pgAdmin's clear GUI, that some tables clearly had unique constraints and unique indexes while one table lacked a unique constraint and only had an unique index defined. Read More »
Wiebe Hedde Cazemier
If you're into Open Source software, 3D modeling or Do It Yourself audio, you may already know Wiebe under his on-line alias, Halfgaar. Personally, I've known him since I was 10 and he was 9. These days he's still a very good friend, and even a colleague. Read More »