Jekyll2026-04-01T19:00:10+02:00https://wejn.org/feed/by_tag/ruby.xmlWejn.orgWejn's corner on the interwebs, containing articles about computers (Linux), programming, system administration, and whatever else takes my fancy.Michal JirkůHue Engine: Reversing the PWM functions2024-12-17T16:15:00+01:002024-12-17T21:19:12+01:00https://wejn.org/2024/12/hue-engine-reversing-the-functionsMichal JirkůIntroductionHue Engine: Dumping the PWM data2024-12-15T21:30:00+01:002024-12-17T21:19:12+01:00https://wejn.org/2024/12/hue-engine-dumping-the-dataMichal JirkůIntroductionPutting a piglet picture on my Alarmo2024-11-10T19:05:00+01:002024-11-10T21:01:59+01:00https://wejn.org/2024/11/putting-a-piglet-picture-on-my-alarmoMichal JirkůDeep dive into Fibonacci computation in Ruby2024-07-07T12:30:00+02:002024-07-07T16:03:16+02:00https://wejn.org/2024/07/deep-dive-into-fibonacci-in-rubyMichal JirkůProblem statementQuickfixing the Jekyll SEO plugin (to ingest page description)2024-05-26T16:57:00+02:002024-05-26T17:17:21+02:00https://wejn.org/2024/05/quickfixing-jekyll-seo-pluginMichal JirkůProblem statementImplementing toy RSA in Ruby, on a dare2023-10-27T10:27:00+02:002023-10-27T17:10:02+02:00https://wejn.org/2023/10/implementing-toy-rsa-in-ruby-on-a-dareMichal JirkůProblem statementHow to avoid having ssh mangle spaces in command-line args2023-07-16T14:30:00+02:002023-09-16T19:29:41+02:00https://wejn.org/2023/07/how-to-stop-ssh-mangling-spaces-in-command-line-argsMichal JirkůProblem statementParallelize batch runs with style2023-05-23T21:30:00+02:002023-09-16T19:29:41+02:00https://wejn.org/2023/05/parallelize-batch-runs-with-styleMichal JirkůProblem statementRethinking number formatting2021-12-18T11:00:00+01:002023-09-16T19:29:41+02:00https://wejn.org/2021/12/rethinking-number-formattingMichal JirkůProblem statementHow to call renameat2 syscall in Ruby2021-12-10T18:30:00+01:002023-09-16T19:29:41+02:00https://wejn.org/2021/12/renameat2-in-rubyMichal JirkůProblem statement