[#397049] Question on Learning Ruby the Hard Way — Michael Sung <lists@...>
Hi, I have a question on Exercise 43 of Learning Ruby the Hard Way.
[#397063] ruby_rhymes question — Amiee Monticello <lists@...>
I am interested in using ruby_rhymes, but have no idea how to use it. I
Yes, however, I am just learning about ruby and working with the basic
What have you tried? You might want to start with a text file that includes t=
[#397070] how to sort this nested hash — "yibin z." <lists@...>
s = {'s1'=>{'hn1'=>{'15'=> {'m1'=> ['aa', 'bb'] }}}, 's3'=>{'hn2'=>{'10'
[#397093] Using binding + set_trace_func to capture execution state — Reginald Tan <lists@...>
Hi guys, I'm interested in building a program that will display the
Reginald Tan писал 03.07.2012 05:11:
>
On Tue, Jul 3, 2012 at 8:05 AM, Reginald Tan <lists@ruby-forum.com> wrote:
>
Have you tried somehow using continuations?
Bartosz Dziewoński писал 03.07.2012 15:23:
Peter Zotov wrote in post #1067270:
You can use the `local_variables` method to get a list of local
[#397115] Copying Files — "Alex C." <lists@...>
Hi,
Hi,
Jan E. wrote in post #1067228:
Ryan Davis wrote in post #1067277:
Alex C. wrote in post #1067346:
Jan E. wrote in post #1067354:
Alex C. wrote in post #1067355:
Jan E. wrote in post #1067359:
Alex C. wrote in post #1067360:
[#397119] ruby linux tproxy and routing bgp\ospf\others — Eliezer Croitoru <eliezer@...>
two questions:
[#397122] passing ARGV to class methods — Neubyr Neubyr <lists@...>
I have been writing command-line programs using a pattern similar to
[#397126] Newbie needs help with parsing a file — "Jon R." <lists@...>
I have a file with a long string in the following format:
On Wed, 4 Jul 2012 07:52:16 +0900
[#397129] if x.condition, set x to y — wutang paul <lists@...>
Hi, big time newbie here.
[#397140] ARGF: No switch to STDIN after all files? — Iazel Datenshi <lists@...>
I've started learning Ruby and trying to do the first (stupid) program
[#397165] Green threads in 1.9.* ? — rex goxman <lists@...>
I am new to Ruby. I am somewhat surprised that I was not able to find
Hi,
It depends on the interpreter. This post may help you get the picture:
@jacques1 and fxn above:
On Wed, Jul 4, 2012 at 1:45 PM, rex goxman <lists@ruby-forum.com> wrote:
If jacques1 is right, then there are no green threads, just kernel
rex goxman =D0=BF=D0=B8=D1=81=D0=B0=D0=BB 04.07.2012 16:26:
Peter Zotov wrote in post #1067393:
<<There are definitely many reasons to prefer native threads over green
On Thu, Jul 5, 2012 at 6:38 AM, rex goxman <lists@ruby-forum.com> wrote:
Tony Arcieri wrote in post #1067551:
On Thu, Jul 5, 2012 at 10:26 AM, rex goxman <lists@ruby-forum.com> wrote:
Tony Arcieri wrote in post #1067563:
On Thu, Jul 5, 2012 at 12:31 PM, rex goxman <lists@ruby-forum.com> wrote:
Tony Arcieri wrote in post #1067609:
On Thu, Jul 5, 2012 at 8:24 PM, rex goxman <lists@ruby-forum.com> wrote:
On Fri, Jul 6, 2012 at 8:52 AM, Ryan Davis <ryand-ruby@zenspider.com> wrote:
Robert Klemme wrote in post #1067663:
On Fri, Jul 6, 2012 at 5:40 AM, rex goxman <lists@ruby-forum.com> wrote:
Tony Arcieri wrote in post #1067715:
On Sat, Jul 7, 2012 at 12:57 AM, rex goxman <lists@ruby-forum.com> wrote:
[#397184] Compute the lexicographically next bit permutation — "Raghu G." <lists@...>
Compute the lexicographically next bit permutation
[#397185] Insert letters of the alphabet between the original letters of a string — Joao Silva <lists@...>
Hi All.
[#397198] the best way to match these domains. — Eliezer Croitoru <eliezer@...>
thanks in advance i need a bit help to break the ice that my head is in.
On Thu, Jul 5, 2012 at 4:13 AM, Eliezer Croitoru <eliezer@ngtech.co.il> wrote:
On 7/5/2012 10:03 AM, Robert Klemme wrote:
On Thu, Jul 5, 2012 at 10:40 PM, Eliezer Croitoru <eliezer@ngtech.co.il> wrote:
On 7/6/2012 9:21 AM, Robert Klemme wrote:
On Sat, Jul 7, 2012 at 5:32 AM, Eliezer Croitoru <eliezer@ngtech.co.il> wrote:
On 7/10/2012 12:08 PM, Robert Klemme wrote:
On Wed, Jul 11, 2012 at 4:37 AM, Eliezer Croitoru <eliezer@ngtech.co.il> wrote:
On 7/11/2012 9:40 AM, Jes俍 Gabriel y Gal疣 wrote:
On Wed, Jul 11, 2012 at 9:22 AM, Eliezer Croitoru <eliezer@ngtech.co.il> wr=
On 7/11/2012 10:49 AM, Jes俍 Gabriel y Gal疣 wrote:
On Wed, Jul 11, 2012 at 6:18 PM, Eliezer Croitoru <eliezer@ngtech.co.il> wrote:
On Wed, Jul 11, 2012 at 4:37 AM, Eliezer Croitoru <eliezer@ngtech.co.il> wrote:
On 7/12/2012 9:59 PM, Robert Klemme wrote:
[#397205] question: p expression — "smoothedatol412 @..." <lists@...>
Lately I have been going through some Ruby books and I keep coming up on
[#397213] self.clone.replace(super)? — Soichi Ishida <lists@...>
Hi. Could anyone help me understand the following? I am reading a
[#397228] Unable to do the barcode scanning for windows mobile platform — santosh panigrahy <lists@...>
I am trying to do barcode scanning from the sample api given in
[#397231] Can you call private methods with explicit receivers? — Jingjing Duan <lists@...>
My understanding is the answer is no, you can't call private methods
[#397236] Rescue Failing in CGI Script — Doug Jolley <lists@...>
I have a Ruby 1.8.7 CGI script. Practically speaking, the whole thing
[#397255] Management of words in a string — Joao Silva <lists@...>
Hi All.
[#397268] IEEE extended precision float — Anton Hornquist <lists@...>
Hi,
[#397275] Erb templating and output buffer — "Mateusz W." <lists@...>
Hey guys,
[#397278] basic queries — John Lee <lists@...>
Consider the following code:
[#397286] Parsing a zip file for rows of string data — Jason Peterson <lists@...>
I am really new to Ruby and could use some help with a program. I need
[#397298] Re: Ruby Future in coming years — akshay jangid <lists@...>
Akshay Jangid wrote in post #1051602:
[#397328] how do I call a method with a period and pass the object before it ? — roob noob <lists@...>
like 1.to_s , except I want 8.bits_to_bytes
1.9.2p290 :011 > class Fixnum
[#397341] Find that number is repeated more and less times in an array — Joao Silva <lists@...>
Hi all.
Joao Silva wrote in post #1067849:
Brian Candler wrote in post #1067902:
[#397343] Troubled while trying to create list from hash — Panagiotis Atmatzidis <ml@...>
Hello,
[#397348] Trouble installing RubyInline — "smoothedatol412 @..." <lists@...>
I am having trouble installing RubyInline on my Mint Linix OS.
[#397367] How to Print on a single line — Kareem Adams <lists@...>
Hi there,
[#397380] Converting a .rb file to an executable — "Karan J." <lists@...>
Hi Friends,
[#397396] Lambdaification of Method Calls — Robert Klemme <shortcutter@...>
Hi,
My only request would be that you rename the method something like
[#397399] unable to use gems in simple scripts — locky thindromen <lists@...>
Hello, i'm just getting started with ruby and have hit a wall attempting
[#397408] how to create a CText Tk widget ? — "Fred L." <lists@...>
Hello all,
[#397416] learning by doing part 2 - tc game — "Sebastjan H." <lists@...>
Hi,
Hi,
Yes, that would be ok, but that means that the player has to create all
On Tue, Jul 10, 2012 at 12:39 PM, Sebastjan H. <lists@ruby-forum.com> wrote:
"Jes=C3=BAs Gabriel y Gal=C3=A1n" <jgabrielygalan@gmail.com> wrote in pos=
Jan E. wrote in post #1068109:
Sebastjan H. wrote in post #1068110:
Jan E. wrote in post #1068114:
Sebastjan H. wrote in post #1068117:
Jan E. wrote in post #1068119:
On Tue, Jul 10, 2012 at 3:18 PM, Sebastjan H. <lists@ruby-forum.com> wrote:
Thank you for the clarification. I understand the difference and I have
On 07/11/2012 08:21 AM, Sebastjan H. wrote:
As to the style:
Yeah, I actually remembered there was this strange "do-while" loop,
Jan E. wrote in post #1068984:
Sebastjan H. wrote in post #1069017:
I need (hopefully) one final help for this game:)
On Wed, Jul 18, 2012 at 2:02 PM, Sebastjan H. <lists@ruby-forum.com> wrote:
"Jes=C3=BAs Gabriel y Gal=C3=A1n" <jgabrielygalan@gmail.com> wrote in pos=
Hi,
Jan E. wrote in post #1071102:
I wanted to test this on a simple case, so I wrote the following:
[#397432] read and store definitions from an outer file — firstsense sdasad <lists@...>
Hi guys, I am a newcomer to Ruby, i got into it by having to make
[#397439] Array in an array - how to assign to individual array? — Champak Ch <lists@...>
I have 2 arrays.
[#397480] Code complexity (etc.) tools and 1.9 — Hal Fulton <rubyhacker@...>
I've just tried out reek, which is not a bad little tool... but it
[#397503] how to check string is numeric or not — Lucky Nl <lists@...>
Hi friends
On Thu, 12 Jul 2012 19:16:08 +0900
Aleksey Zapparov wrote in post #1068416:
Am 12.07.2012 21:46, schrieb Brian Candler:
[#397531] How to save an irb session including the command output to a file — XueBrian <brian.xue@...>
[#397539] method clear wiping out other array ? — Mike Onofrietto <lists@...>
Hello all,
Both variables point to the same array.
Avdi,
[#397577] Unable to use Range method for excel — agung surya <lists@...>
Hi,
[#397578] Newbie questions on the meanings of things in Ruby — "Alex S." <lists@...>
Hi,
[#397583] Gateway — Robert Klemme <shortcutter@...>
All,
[#397587] rounding to nearest even: nio gem? — Wybo Dekker <wybo@...4all.nl>
Is there a gem which makes it easy to round floats to the nearest even
[#397589] Providing a object-specific class scope? — Samuel Williams <space.ship.traveller@...>
Is it possible to do something like this with Ruby?
[#397608] undefined method error — deal bitte <lists@...>
rid.database_columns[session_db_array[0]]
[#397640] Class not found error when calling a module::class method — Carlos Araya <lists@...>
I'm working on a module to automate the creation of ebooks. When trying
[#397643] what are the C extension analogs of String#force_encoding and String#encode? — Nathan Beyer <nbeyer@...>
Within C extension code, what are the appropriate C functions to use
[#397650] JSON.parse string — Torsten Robitzki <lists@...>
Hello,
[#397655] Is there some seach algorithm available — deal bitte <lists@...>
excel_value = "Deal Bitte"
[#397665] How to replace plain strings? — Albert Schlef <lists@...>
I'm executing the following code:
[#397671] unless if not == unless post_on_ruby_forum — roob noob <lists@...>
So everything I have thus far read and heard about the Ruby unless
It's most useful for perl-esque one-liners:
[#397682] ruby library for wget — "Alan S." <lists@...>
Is there a ruby library for wget ? I searched on google but couldn't
[#397685] odd "system" command behaviour with CUI and GUI — Joel Pearson <lists@...>
Windows 7 64-bit, Ruby 1.9.3.
It works for me on Win XP. What is the return value of #system call?
Bartosz Dziewo=C5=84ski wrote in post #1069474:
Joel Pearson wrote in post #1069476:
Joel Pearson wrote in post #1069477:
Joel Pearson wrote in post #1069478:
[#397707] Homebrew iProblem — Ja Tse <lists@...>
Can anyone tell me what's going on here ? I have reinstalled xCode and
[#397735] start Learning ruby — Dha Josh <lists@...>
Hello Experts,
[#397738] Help a blind man getting ruby to work — "Morten T." <lists@...>
Hallo,
On Mon, Jul 23, 2012 at 2:23 AM, Morten T. <lists@ruby-forum.com> wrote:
Hallo,
[#397740] Re: Anyone interested in a Package Manager in Ruby? — Thomas Sawyer <lists@...>
I just came across this thread, as old as it is, I'd like to contribute.
[#397746] Ocra just stopped working with webdriver — Joel Pearson <lists@...>
This code functions fine from a script, but when I try to package it
[#397755] Re: [ruby-cvs:43685] luislavena:r36509 (trunk): Fix raw UTF-8 test for non-Japanase Windows systems — Eric Hodel <drbrain@...7.net>
[#397757] newbie question: can I run and learn Ruby on a not so powerful machine? — Rezwanur Chy <lists@...>
can I work on Ruby and RoR on my 1 GB RAM, 1.66 Ghz netbook? OS: Ubuntu
[#397775] rubyzip gem overwrites write-protected root-owned file — Wybo Dekker <wybo@...4all.nl>
I'm playing with the rubyzip gem, and found, with this little script:
Am 24.07.2012 14:44, schrieb Wybo Dekker:
On 2012-07-24 16:44, Quintus wrote:
On Thu, Jul 26, 2012 at 07:21:19PM +0900, Wybo Dekker wrote:
[#397777] What is Rex in Ruby — Parvez Shaikh <lists@...>
What is Rex in Ruby...I am a newbie to Ruby...and require a basic info
[#397806] Help with exercise from Chris Pine's Ruby Book: Sort without using .sort — "James H." <lists@...>
Hello all, I'm a n00b that's just getting into programming.
Your method is of course correct. But you don't really use the
Hi,
[#397808] String interpolation / hash of local variables — Gerbeck Shark <lists@...>
Hello all-
[#397817] modular exponentation with multiple exponents? — roob noob <lists@...>
I need to do a^b^c^d^e mod f
*lol*
[#397844] optparse problem grabbing a value — James Harrison <jam@...>
Hi folks,
[#397858] Looking for Cli like with auto-completion of options. — Eliezer Croitoru <eliezer@...>
I want to write some basic cisco like Cli.
[#397862] writing ruby simple restaurant finder — Ruby Sea <lists@...>
Hello,
[#397868] db2_connect on ruby 1.8.5 rubygems 1.3.5 — Emil Enem誡ke <eme@...>
Hi,
IMHO upgrading to a more current Ruby is your best bet
I know it would be best to upgrade to latest version of Ruby, but since =
It is probably still trying to install the latest version of
[#397889] Ruby Project with SOAP Protocol — "Daniel R." <lists@...>
Hello world,
[#397903] How to test whether a session variable has a particular key — Doug Jolley <lists@...>
Although a session variable behaves like a hash for purposes of setting
Doug Jolley wrote in post #1070696:
> are you asking a question about Rails?
Doug Jolley wrote in post #1070702:
> Anyway, if you can avoid storing nil values, then I'd just use
[#397906] Supporting multiple versions of an API — Intransition <transfire@...>
Any recommendations on the management of API versions. I have a case in
On 31 July 2012 07:54, Intransition <transfire@gmail.com> wrote:
[#397916] rubeque: Unidentified X Object — Jingjing Duan <lists@...>
Couldn't figure out how to solve this puzzle. Anyone?
[#397918] String Handling in Ruby — Tridib Bandopadhyay <lists@...>
Hello all,
[#397924] working with large binary strings? — bob hope <lists@...>
I need to work with multiple large binary strings, and to do XOR
Re: ENV variables and tainted input
On Jul 5, 2012, at 13:46, Marc Heiler wrote: > Is it advisable to always use ENV['SOME_VALUE'].dup ? There is no point: $ ruby -e 'p ENV["PATH"].equal? ENV["PATH"]' false You'll always receive a new object from ENV, so the dup wastes an = object. > I seem to stumble into ... tainted input problems or something > like that, and this seems to happen only with ENV stuff. Objects from ENV are always tainted. If you run at $SAFE > 0 you need = to untaint them for some operations (usually after performing a check on = the value for safety). > It is as if the attitude is to never trust these values, > but I can handle incorrect ENV values from within my ruby > script anyway, so I am wondering a bit about the logic > behind this. >=20 > Has the use of .dup any serious disadvantage? I wouldn't call wasting an object a serious disadvantage. The GC will = clean it up. Also note that dup copies the tainted state of an object: $ ruby -e 's =3D ""; p s.tainted?; s.taint; p s.tainted?, = s.dup.tainted?' false true true=