Yearly Archives: 2011

Em dash in LaTeX

My friend Daniel Reeves was recently discussing different ways to typeset em dashes. Here is the way I like to do it in LaTeX. GeSHi Error: GeSHi could not find the language tex (using path /home/robfelty/robfelty.com/wp-content/plugins/codecolorer/lib/geshi/) (code 2) Here is the resulting output: Notice how using spaces around the — can result in a dash […]

Posted in latex | 1 Comment

Vetting vignetting

We recently got some family portraits taken at JCPenney. I think they turned out very nicely. They had a bunch of different effects that they could apply. While we were at the studio, I really liked the way that the vignetting effect brought out our faces. However, after investigating the full set (we bought the […]

Posted in linux, photography | 2 Comments

UNIX/Linux permissions and groups – getent

I keep forgetting this command, so I writing it here so I know where to find it. Getent will list information about users and groups on a UNIX/Linux system, including NIS and LDAP users, which is crucial networks with multiple nodes. For example to list information about a user named robert_felty, you can do: $ […]

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Cherry rhubarb pie

We joined a CSA this year, taking over Greg and Mekayla’s fruit share. This week we got 3 lbs of pie cherries and a huge bundle of rhubarb. That sounded like pie to me. I have never made cherry rhubarb pie before, only strawberry rhubarb, but I found some recipes, and decided to give it […]

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Image stabilization in Canon EFS 17-85mm lens

I recently bought a new lens for my Canon Rebel XT. I debated for about 6 months between a new body, and one of three lenses, the 17-85mm f4/5.6 EFS, the 28-135 f 3.5/5.6 EF, and the 17-55 f2.8 USM. I ultimately decided that I’d rather have a new lens than a new body. My […]

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