Ruby Weekly News 9th - 15th January 2006

Discussion in 'Ruby' started by Tim Sutherland, Jan 18, 2006.


    Ruby Weekly News 9th - 15th January 2006

    Ruby Weekly News is a summary of the week's activity on the ruby-talk
    mailing list / the comp.lang.ruby newsgroup / Ruby forum, brought to you
    by Tim Sutherland and Jonathon Mah.

    It's a shortie newsletter this week. (Paradoxically, the more threads on the
    list, the shorter the newsletter.)

    [ Contribute to the next newsletter ]

    User Group News

    * St. Louis Ruby Users Group -- Jan. 24th

    Curt Hibbs announced that the St. Louis Ruby Users Group (in Missouri,
    U.S.) have a meeting on the fourth Thursday of every month.

    * Southern Maine Ruby Group...

    Pat Eyler forwarded an email announcing a new Ruby Brigade in Southern
    Maine, U.S. (Portland).

    * Boulder-Denver Ruby Group - January Meeting

    Another first RUG meeting coming up: Boulder-Denver Ruby Group in
    Colorado have their first meeting on January 25.

    * Stockholm/Sweden User Group meeting

    The first Stockholm Ruby User Group meeting is on the 19th of January.

    * RUGS

    Richard Kilmer noted that NovaRUG (Northern Virginia Ruby Users Group)
    are to have their first meeting on January 26.

    Quote of the Week

    * rue teaches piglet about symbols on #ruby-lang

    James Britt:

    | "When I use a symbol," Humpty Dumpty said, in a rather scornful
    | tone, "it means just what I choose it to mean - neither more nor
    | less."
    | "The question is," said Alice, "whether you can make symbols mean so
    | many different things."
    | "The question is," said Humpty Dumpty, "which is to be master -
    | that's all."
    | -- With apologies to Lewis Carroll (1832-1898) Through The Looking
    | Glass 1871


    Packing (#62)

    Ruby Quiz this week comes from Ilmari Heikkinen: write a program to pack
    boxes of different dimensions as tightly as you can.

    Regexps: Perl vs. Ruby

    Sam Dela Cruz inquired why the regular expression /^[\d\.]+$/ matched
    differently in Perl and Ruby. David A Black responded, "^ and $ match
    start and end of line, not string. For start and end of string, you want
    \A and \z (or \Z to ignore final newline)."

    String#split, respecting quotes?

    Richard Livsey asked how to split a string %Q{some words "some quoted
    text" some more words} into an array ["some", "words", "some quoted text",
    "some", "more", "words"]. Solutions using regexps flew in. Tim Hearney
    noted that the CSV module can do just that:

    require 'csv'
    CSV::parse_line('some words "some quoted text" some more words', ' ')

    Florian GroƟ pointed out the Shellwords module. Both have their

    Postgres-ing? Too many choices!

    Dave Howell found three different gems for talking to PostgreSQL
    databases: postgres, postgres-pr and ruby-postgres.

    What's the difference between them?

    Dave Lee said that postgres and ruby-postgres are in fact the same project
    - the latter is the newer name of it.

    postgres-pr is a "pure Ruby" library that doesn't need PostgreSQL's libpq
    native library (but has fewer functions than ruby-postgres, which wraps
    the native library).

    Q: What is normed, complete, and yellow?
    A: A Bananach space...
    Tim Sutherland, Jan 18, 2006
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