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Martin Vidner mvidner

  • SUSE
  • Prague, CZ, EU
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mvidner /
Last active Jul 7, 2020
installer memory consumption: where to look next
mvidner / ps.console
Last active Jun 10, 2020 Convert a space-delimited table (where the last column may contain spaces) to CSV (comma separated value)
View ps.console
$ ps -f | tee /dev/stderr | ./table_to_csv > ps.csv
martin 12310 3022 0 09:36 pts/13 00:00:00 /bin/bash
martin 13255 12310 0 10:18 pts/13 00:00:00 ps -f
martin 13256 12310 0 10:18 pts/13 00:00:00 tee /dev/stderr
martin 13257 12310 0 10:18 pts/13 00:00:00 /bin/bash ./table_to_csv

Thank you for the report!

  1. What steps did you take?
  2. What was the expected result?
  3. What was the actual result?
mvidner /
Last active Jan 13, 2020
Unlocking the Clubhouse: Women in Computing

Unlocking the Clubhouse: Women in Computing

Margolis, Jane and Fisher, Allan (2002). Unlocking the Clubhouse: Women in Computing. Cambridge, MA: MIT Press.

This is an expanded table of contents.

Introduction: Women out of the loop

View lazy_enumerator.rb
def file_properties(filename)
print "."

Emacs has an ususual way of escaping special characters in regular expressions, which I keep forgetting, so here's a summary

Literal Special Emacs bare Emacs escaped
* \*
* 0 or more *
+ \+
+ 1 or more +
? \?

Problems with Bidirectional (BiDi) Text

If the whole paragraph contains only right-to-left text, it poses no problem. Problems are much likelier to occur if we mix the text directions.

Here I want to write down my knowledge so that the simple parts are easily accessible to beginners, and terms are defined for reference when sorting and solving bugs

TODO: show example fixes to the problems (and note that they may look wrong,

mvidner /
Last active Mar 19, 2019
Mistranslated BiDi Brackets

My team got a bug report (bsc#1127563) about misplaced brackets in Arabic translation:

comparison of Arabic and English screen contents

Looking at the first problematic line, "Total System Memory", notice that the Arabic translation has both square brackets in the right-hand version. Let's check the corresponding translations file.

screenshot of the PO file as displayed by GitHub

At the first sight we see a matching left+right bracket, but that is misleading, since they are not in the correct place. The GitHub rendering of that line is confused by the `m

View inst_kickoff.rb.diff
diff --git a/src/clients/inst_kickoff.rb b/src/clients/inst_kickoff.rb
index 581f3554..ba4a2ff4 100644
--- a/src/clients/inst_kickoff.rb
+++ b/src/clients/inst_kickoff.rb
@@ -78,11 +78,11 @@ module Yast
# make some directories
- Ops.add(Installation.destdir, "/etc")
+ Installation.destdir + "/etc"
View ui_recorder.rb
# A crude YaST UI recoder and player
# Usage:
# Y2UI_RECORD=/tmp/y2host.yaml LANG=en_US.UTF-8 \
# ruby -r ./ui_recorder.rb /usr/lib/YaST2/bin/y2start host qt
# less /tmp/y2host.yaml
# Y2UI_PLAY=/tmp/y2host.yaml LANG=en_US.UTF-8 \
# ruby -r ./ui_recorder.rb /usr/lib/YaST2/bin/y2start host qt
require "set"
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