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Making ACE2 to work on Ubuntu 20.04 LTS

less than 1 minute read

ACE2 is (or was) a software package for contrast transfer function (CTF) estimation and correction. It was written in an early version of objective-c and lin...

Migrated to GitHub Pages, Goodbye Google Sites

less than 1 minute read

As Google Sites is winding down its classic/legacy service in 2021, I finally migrated this website from there to the GitHub Pages platform. This decision is...

Compile 2.6.32.x kernel under ubuntu 10.04 LTS

1 minute read

I have a very very old laptop (Thinkpad i series 1300) which was produced around the years 1999-2000. Maybe I will mention it in many later posts because I s...

Compile pidgin-lwqq in Fedora 19 x86_64

less than 1 minute read

lwqq is a library based on webqq protocol which provides a chance for third-party clients to communicate with Tencent QQ. pidgin-lwqq (

Latex Error: unknown graphics extension .png

less than 1 minute read

pdfLaTeX supports using PNG files when using graphicx package. But today I encountered an error that one of my PNG graph “had an unknown graphics extension” ...

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