mvidner

#!/usr/bin/ruby
# Ruby Gotcha Quiz, by Martin Vidner
# Aimed at people who have written something in Ruby already

def command(s)
  system(s)
end

command   "echo A"

mvidner

#!/bin/sh
ruby app.rb
ruby-lint -c cfg-top.yml    app.rb
ruby-lint -c cfg-nested.yml app.rb
exit

# the definitions were made like this
rake -r project-base generate:definitions[Project,.];     mv project.rb defs-project.rb
rake -r project-ui   generate:definitions[Project,.];     mv project.rb defs-ui-top.rb
rake -r project-ui   generate:definitions[Project::UI,.]; mv project.rb defs-ui-nested.rb

mvidner

  #propose
    proposes timeout to 8 seconds
    proposes gfx mode to auto
    proposes to disable recovery boot entry
    proposes empty distributor entry
    proposes serial console from its usage on kernel command line
    os_prober proposal
      on s390
        disable os probing
      on Power PC

mvidner

Signal handling and Ruby

Salvaged from Google Cache of http://www.lps-it.fr/blog/20151218-signal-handling-and-ruby.html

December 18, 2015
Linux Ruby

Since version 2.0.0, signal handling in Ruby can be tricky. I bet if you're here, it's because you've seen this error message :

mvidner

#!/usr/bin/ruby

# parser-2.3.0.2 fails with fatal: unterminated string meets end of file
# ruby makebigfile.rb && ruby bigfile.rb && bundle exec ruby-parse --23 bigfile.rb

SIZE = 14500

header = <<EOS
#!/usr/bin/ruby
# encoding: utf-8

mvidner

From 1cb40243b120b86057688d64d88a23384d234a91 Mon Sep 17 00:00:00 2001
From: Martin Vidner <mvidner@suse.cz>
Date: Thu, 17 Dec 2015 14:20:27 +0100
Subject: [PATCH] Factored out pipe juggling more readably.

---
 lib/cheetah.rb | 45 ++++++++++++++++++++++++++-------------------
 1 file changed, 26 insertions(+), 19 deletions(-)

diff --git a/lib/cheetah.rb b/lib/cheetah.rb

mvidner

#!/usr/bin/ruby
# https://lists.luon.net/pipermail/ruby-dbus-devel/2015-November/000500.html
require 'dbus'

def dbus_get_service_prefix path
    bus = DBus::SystemBus.instance
    service = bus.service path.join('.')
    service.introspect # othewise cannot walk dbus namespace
    root = service.root
    prefix = root

mvidner

/* scroll down to see an explanation in insane-tty.md */

/* gcc -Wall -o insane-tty insane-tty.c */

#include <stdlib.h>
#include <sys/ioctl.h>
#include <termios.h>
#include <unistd.h>
#include <string.h>
#include <stdio.h>

mvidner

def upcase_all(strings)
  strings.map(&:upcase)
end

puts upcase_all (["You", "can", "use", "YOU"]).uniq

puts upcase_all(["You", "can", "use", "YOU"]).uniq

mvidner

msgid ""
msgstr ""
"Project-Id-Version: PACKAGE VERSION\n"
"Report-Msgid-Bugs-To: \n"
"POT-Creation-Date: 2015-06-02 14:53+0200\n"
"PO-Revision-Date: 2015-06-02 14:53+0200\n"
"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
"Language-Team: LANGUAGE <LL@li.org>\n"
"Language: \n"
"MIME-Version: 1.0\n"