Category Archives: development

systemd resource limiting for mortals

Motivation I’ve recently gotten completely fed-up with my backup process (using duplicity) in the way it gobbles up huge amounts of memory (6GB+ out of 8GB physical memory) when doing its daily backup. This annoyance is amplified by code in … Continue reading

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Notes from AWS summit 2014

I got a chance to stop by the AWS Summit 2014 at their stop in San Francisco at the Moscone. It was a free event, and mobbed by people apparently hungry to learn more about Amazon’s Cloud platform services. I … Continue reading

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How to login GNOME3 keyboard only

Not being able to login without a mouse/trackpad with the gnome3 gdm greeter has bothered me for quite some time, and usually I just complain silently and use the mouse. But today, I rejoice! …because someone has figured it out! … Continue reading

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Web frameworks for web startups

I am not a web dev. I am mostly in the dark with regards to utilizing the latest web technologies. If you’re actually starting a company, you’ll want to hire a real web-dev But occasionally, I need to throw up … Continue reading

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Ignore whitespace in meld

This is probably *not news*, but I discovered that there is a way to ignore whitespace in meld. It’s under Edit->Preferences->Text Filters. There’s a setting (in hindsight, obviously) for ignoring changes that insert and delete lines and ones for ignoring … Continue reading

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HOWTO: Enable hibernate in gnome 3.6

I upgraded to Fedora 18 from Fedora 17 using FedUp recently, and I was dismayed to find that there was no more “Hibernate” option in the status menu, even though I had the alternative-status-menu extension installed. Apparently in their wisdom, … Continue reading

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(Computer) languages worth learning

A friend of mine asked me what languages he should learn to get re-started/refreshed in programming. I’ve listed my opinions here, partly so I’ll remember what I recommended in the past, partly so that others can learn too, and partly … Continue reading

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Fedora 17 upgrade notes

Here are some personal notes on upgrading a home machine to Fedora 17 (beta). The preupgrade requires about 165MB on /boot for the upgrade. This is in addition to whatever you needed to boot Fedora. I didn’t have enough space, … Continue reading

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Using git to collaborate on a paper

I’m working with others on a paper written in LaTeX.  It’s stored in a git repository.  I figured it would be easy for all of us to track and merge each other’s changes this way.  So my friend clones the … Continue reading

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Evaluating Kyoto Cabinet

Today, I wanted to see whether Kyoto Cabinet could do a better job with table lookups than MySQL. I have a 1.7+ billion row table in MySQL that has three columns, a 64-bit int and two 32-bit ints. This yields … Continue reading

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