[#83322] Saving and restoring with YAML — Ben Giddings <bg-rubytalk@...>
Hi all,
Ben Giddings wrote:
Ok, silly question.
[#83328] tcltklib and not init'ing tk — aakhter@... (Aamer Akhter)
Hello,
[#83329] Ruby 1.8.0 rpm? — Hal Fulton <hal9000@...>
I want to install on a box where I don't have root access.
[#83337] Include CONFIG::Config['rubydocdir'] in rbconfig.rb — Gavin Sinclair <gsinclair@...>
Hi folks,
Hi,
[#83391] mixing in class methods — "Mark J. Reed" <markjreed@...>
Okay, probably a dumb question, but: is there any way to define
On Thu, 2 Oct 2003 06:02:32 +0900
On Thursday, October 2, 2003, 7:08:00 AM, Ryan wrote:
On Thu, Oct 02, 2003 at 07:37:25AM +0900, Gavin Sinclair wrote:
> On Thu, Oct 02, 2003 at 07:37:25AM +0900, Gavin Sinclair wrote:
On Thu, 2 Oct 2003, Gavin Sinclair wrote:
>> It sometimes makes me wonder why Ruby differentiates between instance
Hi --
The assymetry between class/instance variables and class/instance
>>>>> "M" == Mark J Reed <markjreed@mail.com> writes:
[#83408] Getting a list of the files in a directory — revision17@... (Revision17)
Hi, I'm just starting out with ruby and I'm writing a script to rename
[#83411] Absolute class name? — "Mark J. Reed" <markjreed@...>
If I do
Hi,
MJR = me
>>>>> "M" == Mark J Reed <markjreed@mail.com> writes:
On Thu, Oct 02, 2003 at 11:11:59PM +0900, ts wrote:
On Thu, Oct 02, 2003 at 02:20:07PM +0000, Mark J. Reed wrote:
[#83413] I AWAIT YOUR URGENT RESPONSE — PETERS UJANI <peterujani@...>
Dear Sir,
[#83416] C or C++? — "Joe Cheng" <code@...>
I'd like to start writing Ruby extensions. Does it make a difference
The biggest problem i have with Ruby is the sleepness
On Thu, 2 Oct 2003, paul vudmaska wrote:
>>--------
Hi --
I think it would be wonderful if Ruby could handle XML somewhat how Flash
On Fri, 3 Oct 2003, Zach Dennis wrote:
[#83470] Re: xml in Ruby — paul vudmaska <paul_vudmaska@...>
>>>
paul vudmaska wrote:
>>------------
paul vudmaska wrote:
[#83481] newbie question: function overloading — Dimitrios Galanakis <galanaki@...>
I need to define a method that performs differently when operated on objects
On Fri, 3 Oct 2003, Dimitrios Galanakis wrote:
[#83520] Account Verification — "eBay SafeHarbor" <noreply@...>
[#83533] FreeRide — Carl Youngblood <carl@...>
Is it just my faulty perception or does the momentum behind FreeRIDE
I presented FreeRIDE as OSCON in July, but have not done much on it
[#83551] xml + ruby — paul vudmaska <paul_vudmaska@...>
>>---------
On Fri, 3 Oct 2003 16:11:46 +0900, paul vudmaska wrote:
Zach Dennis wrote:
James,
On Friday 03 October 2003 02:20 pm, paul vudmaska wrote:
[#83554] hash of hashes — Paul Argentoff <argentoff@...>
Hi all.
On Friday 03 October 2003 14:04, Paul Argentoff wrote:
Paul Argentoff wrote:
[#83608] webrick, threads, and i/o — "Ara.T.Howard" <ahoward@...>
[#83627] Ruby/Extensions 0.2.0 — Gavin Sinclair <gsinclair@...>
Hi -talk,
[#83665] Question about amrita and XHTML/CSS — Carl Youngblood <carl@...>
I've been looking into amrita for my ruby web development, but I am
[#83671] Stop Immigration — "Vanguard News Network " <vanguardnn@...>
Stop Immigration
[#83675] fox-tool - interactive gui builder for fxruby — henon <user@...>
hi fellows,
il Sun, 05 Oct 2003 16:17:16 GMT, henon <user@example.net> ha
gabriele renzi wrote:
Hi.
[#83727] map/collect iterating over multiple arrays/arguments — zoranlazarevic@... (Zoran Lazarevic)
Can I iterate over multiple arrays/collections?
[#83730] Re: Enumerable#inject is surprising me... — "Weirich, James" <James.Weirich@...>
> Does it surprise you?
Hi,
Hi,
Hi --
On Thu, 9 Oct 2003 dblack@superlink.net wrote:
>>>>> "d" == dblack <dblack@superlink.net> writes:
[#83741] Thread + fork warning — Ariff Abdullah <skywizard@...>
# ruby -e 'a = Thread.new { fork {} }; a.join'
[#83745] Re: Parsing challenge... — "Useko Netsumi" <usenets@...>
this script failed if any of the cell is blank/no-value,
[#83756] GC and the stack — "Thomas Sondergaard" <thomas@...>
Hello,
[#83758] usage of Regexp::EXTENDED — "Simon Strandgaard" <none@...>
How does it work ?
On Wed, 08 Oct 2003 21:58:42 +0900, Jim Weirich wrote:
[#83771] Re: GC and the stack — "Weirich, James" <James.Weirich@...>
> Okay. What if, in an extension, I have an integer on the
[#83783] shorthand notation for multiline in regexps? — Carl Youngblood <carl@...>
Is there a way to declare a multiline or ignorecase regexp without using
[#83795] Standard Queue Implementation and Thread Safety — Pete Kazmier <pete-temp-ruby-usenet-10082003@...>
First the disclaimer: I'm a newbie to ruby :-)
[#83801] Extension Language for a Text Editor — Nikolai Weibull <ruby-talk@...>
OK. So I'm going to write a text editor for my masters' thesis. The
You may want to look at the VIM's use of Ruby for writing extensions.
On Thu, 9 Oct 2003 05:06:32 +0900
* Ryan Pavlik <rpav@mephle.com> [Oct, 08 2003 22:30]:
On Thu, 9 Oct 2003 06:09:29 +0900
* Ryan Pavlik <rpav@mephle.com> [Oct, 09 2003 09:10]:
On Fri, 10 Oct 2003 02:36:25 +0900
* Ryan Pavlik <rpav@mephle.com> [Oct, 10 2003 16:49]:
On Oct 11, Nikolai Weibull wrote:
* Brett H. Williams <brett_williams@agilent.com> [Oct, 10 2003 20:50]:
On Wed, 08 Oct 2003 22:39:13 +0000, gabriele renzi wrote:
[#83802] Ruby Patriotism: Python+XML v. Ruby+YAML — why the lucky stiff <ruby-talk@...>
We've got a good old-fashioned derby going on in blogoland. Perhaps
Has anyone benchmarked Python+YAML? You should account for all the variables.
[#83822] TUI library — "Imobach =?iso-8859-15?q?Gonz=E1lez=20Sosa?=" <imobachgs@...>
-----BEGIN PGP SIGNED MESSAGE-----
[#83843] case where regex range should raise — "Simon Strandgaard" <none@...>
irb(main):001:0> re = /bx{,2}c/
[#83850] Antwort: Re: SEPARATOR doesn't work — Robert.Koepferl@...
[#83985] Perl 6 style regular expressions — mark <msparshatt@...>
I was wondering if anyone has done any work on implementing Perl 6 style
[#83987] Project suggestion: Ruby code indenter — Gavin Sinclair <gsinclair@...>
From the thread "Extension Language for a Text Editor":
* Gavin Sinclair <gsinclair@soyabean.com.au> [Oct, 10 2003 18:20]:
[#84041] mysql_num_rows equivalent for DBI? — Ben Giddings <bg-rubytalk@...>
Is there a database-independent way of finding out how many rows were
paul vudmaska wrote:
On Sun, Oct 12, 2003 at 05:17:19AM +0900, Ben Giddings wrote:
[#84049] splitting a line by columns — "Mike Campbell" <michael_s_campbell@...>
I have a line of text output in columnar form; what's the best way to split it
[#84056] Newbie Class variable question — Elias Athanasopoulos <elathan@...>
Hello!
[#84060] RDoc and i18n — KUBO Takehiro <kubo@...>
Hi,
KUBO Takehiro <kubo@jiubao.org> writes:
On Sun, 19 Oct 2003 23:27:41 +0900, Dave Thomas wrote:
[#84070] XPath and HTML — David Corbin <dcorbin@...>
Is there a library out there that let's me parse HTML and use XPath
On Mon, 13 Oct 2003, David Corbin wrote:
On Sunday 12 October 2003 17:36, Chad Fowler wrote:
On Mon, 13 Oct 2003, David Corbin wrote:
[#84092] Resurrecting German mailing list? — "Josef 'Jupp' SCHUGT" <jupp@...>
Hi!
[#84145] Parentheses — Nikolai Weibull <ruby-talk@...>
Hi,
[#84159] Rubygarden oddness — "Berger, Daniel" <djberge@...>
All,
[#84165] Re: Parentheses — Michael Campbell <michael_s_campbell@...>
Yukihiro Matsumoto wrote:
[#84169] General Ruby Programming questions — Simon Kitching <simon@...>
Simon Kitching wrote:
Florian Gross (flgr@ccan.de) wrote:
Hi Florian..
> [Simon wrote:]
On Thu, 2003-10-16 at 13:06, Gavin Sinclair wrote:
> [Simon wrote:]
Simon Kitching (simon@ecnetwork.co.nz) wrote:
Eric Hodel wrote:
[#84224] OT: Strict typing on large projects — Michael Campbell <michael_s_campbell@...>
I don't necessarily mean to stir a pot here, but was reading an
On Sat, Oct 18, 2003 at 05:41:03AM +0900, Michael Campbell quipped:
[#84235] POLS ANT file pattern in Ruby — "Robert Dawson" <robert@...>
Hi,
[#84236] rubylucene - new & improved — Erik Hatcher <erik@...>
I had the pleasure of working with Rich Kilmer for a bit last weekend
[#84248] Outdated page(s) on ruby-lang.org? — Hal Fulton <hal9000@...>
A guy I (barely) know just tried to download Ruby
Hi!
Josef 'Jupp' SCHUGT wrote:
[#84251] ANN: rjava — Hans Jörg Hessmann <hessmann@...>
RJava enables you to use Java classes from ruby using ruby-like syntax. For
[#84253] Email Harvesting — Nikolai Weibull <ruby-talk@...>
I've been receiving a lot of Swen emails to my ruby-talk address lately.
Hi,
[#84283] Any shift/reduce experts out there? — Jim Freeze <jim@...>
Hi:
On Tue, 21 Oct 2003 03:47:03 +0900
On Tuesday, 21 October 2003 at 3:52:29 +0900, Ryan Pavlik wrote:
* Jim Freeze <jim@freeze.org> [Oct, 20 2003 21:20]:
[#84288] Mutex and Ruby Documentation Online — "Sean O'Dell" <sean@...>
I'm running into that mutex problem, where I need the same process to be able
[#84299] Re: Outdated page(s) on ruby-lang.org? — "Pe, Botp" <botp@...>
sir matz@ruby-lang.org [mailto:matz@ruby-lang.org] humbly replied:
[#84305] Time: safe way to go to next day? — Emmanuel Touzery <emmanuel.touzery@...>
Hello,
[#84311] Formal Language Semantics — "Christopher C.Aycock" <christopher.aycock@...>
Does anyone know where I can get the formal language semantics for Ruby
[#84331] Re: Email Harvesting — Greg Vaughn <gvaughn@...>
Ryan Dlugosz said:
On Wed, 22 Oct 2003, Greg Vaughn wrote:
On Wed, 22 Oct 2003 08:35:32 +0900, Hugh Sasse Staff Elec Eng
On Wed, 22 Oct 2003, Ruben Vandeginste wrote:
On Wed, 22 Oct 2003 18:34:32 +0900, Hugh Sasse Staff Elec Eng
[#84332] Array not Comparable? — "Warren Brown" <wkb@...>
In the past I have sorted arrays of arrays and so I knew that Array
Warren Brown wrote:
>>>>> "E" == Emmanuel Touzery <emmanuel.touzery@wanadoo.fr> writes:
On Wednesday, October 22, 2003, 11:49:17 PM, ts wrote:
[#84341] Ruby-oriented Linux distro? — Hal Fulton <hal9000@...>
There's been some talk of something like this in the past.
On Wednesday, October 22, 2003, 6:01:16 PM, Hal wrote:
On Wednesday 22 Oct 2003 11:02 am, Gavin Sinclair wrote:
On Wed, Oct 22, 2003 at 08:03:19PM +0900, Andrew Walrond wrote:
On Wednesday 22 Oct 2003 2:48 pm, Michael Garriss wrote:
On Wed, Oct 22, 2003 at 10:55:15PM +0900, Andrew Walrond wrote:
Michael Garriss wrote:
[#84350] ML <-> NG gateway is not working — Gavin Sinclair <gsinclair@...>
Folks,
[#84400] RubyGarden Wiki error — "Dmitry V. Sabanin" <sdmitry@...>
I got this today while trying to edit my wiki-page at
[#84420] Struggling with variable arguments to block — "Gavin Sinclair" <gsinclair@...>
Hi -talk,
Hi,
Yukihiro Matsumoto wrote:
Hi,
On Sat, 25 Oct 2003 00:03:32 +0900, Yukihiro Matsumoto wrote:
Hi,
Hi --
[#84462] Suggestion for an XML and ZLIB library? — Daniel Carrera <dcarrera@...>
Greetings all,
[#84467] Rubyx logo idea — Andrew Walrond <andrew@...>
I've been thinking about a logo for Rubyx, my ruby based linux distro.
[#84480] How to include zip in a program. — Daniel Carrera <dcarrera@...>
Hello all,
[#84485] Win32OLE issue in 1.8.0 — Steve Tuckner <STUCKNER@...>
[#84501] File class doesn't work! — Daniel Carrera <dcarrera@...>
Something is severely broken with my installation:
[#84514] Formatting (ANSI) highlighted strings — Gavin Sinclair <gsinclair@...>
Hi folks,
[#84529] Win32OLE again — Steve Tuckner <STUCKNER@...>
>>>>> "S" == Steve Tuckner <STUCKNER@MULTITECH.COM> writes:
[#84530] Crash in ruby 1.8.0 — "Brett H. Williams" <brett_williams@...>
This doesn't look right...
[#84531] OOoExtract v0.1 — Daniel Carrera <dcarrera@...>
Greetings,
[#84534] Fatal recycling of SystemStackErrors — Florian Gross <flgr@...>
Moin!
[#84543] Ruby and XUL? — Daniel Carrera <dcarrera@...>
Hi all,
[#84554] getoption long question — Daniel Bretoi <lists@...>
opts = GetoptLong.new(_
[#84555] system() isn't safe on win32 — Florian Gross <flgr@...>
Moin!
[#84574] Problem with seeking in existing files. — <agemoagemo@...>
I'm trying to write a program that will be writing
Hi,
[#84577] ruby 1.8.1 preview1 — matz@... (Yukihiro Matsumoto)
It's out.
On Thu, 2003-10-30 at 04:41, Yukihiro Matsumoto wrote:
[#84585] Re: [ANN] win32-file 0.1.0 — "Berger, Daniel" <djberge@...>
> -----Original Message-----
[#84603] 1.8.1 failure — Daniel Berger <djberge@...>
Solaris 9
[#84604] ruby-dev summary 21637-21729 — Takaaki Tateishi <ttate@...>
Hello,
On Fri, Oct 31, 2003 at 07:01:28AM +0900, Takaaki Tateishi wrote:
Hi,
On Thu, Nov 06, 2003 at 11:17:59PM +0900, Yukihiro Matsumoto wrote:
Hi,
On Fri, Nov 07, 2003 at 12:36:23AM +0900, Yukihiro Matsumoto wrote:
[#84611] 64-bit Ruby on Solaris? — Daniel Berger <djberge@...>
Hi all,
[#84626] Since today is October 31... — Hal Fulton <hal9000@...>
srand 0
Re: [OO interface design] Pass-by reference VS encapsulation ?
"Simon Vandemoortele" <deliriousREMOVEUPPERCASETEXTTOREPLY@atchoo.be> wrote in message news:gFdsa.70370$t_2.6650@afrodite.telenet-ops.be... > There is one thing that still puzzles me though: whether to allow for a > 'forbidden/incomplete' object to exist at any point or not. Suppose I > decide that a Contact instance without a 'Name' is utterly pointless and > should _not_ be entered in the addressbook at all. It is easy to have > contacts refuse inconsistent or forbidden data (like an empty name or a > wrong birth-date format) but how do I make sure all contacts that are > created are (or become) consistent ? > > Given the way I am currently going with this design I see 2 ways to > implement this: > > [1] Make it impossible to create an 'incomplete' contact by requiring > the name at construction (and making sure it cannot be set to nil or "" > afterward). > > [2] Allow clients to create an 'incomplete' (nameless) draft version of > the contact and have them call some #validate function that checks > the completeness of the contact and creates the definitive version. The problem is very relevant - I have seen it many times. First, it is worth being aware that there is the data, and the container. The actual unique key is only relevant in context of the container (the index). Therefore this question has very much to do with implementation - how long can you wait until requiring correct data. There are a number of ways to look at your data that might affect the decision. As a Relational Database Record. In this case you can view the name as the "Primary Key". Policy here is that you general can modify any fields but the point where you update your record, the database engine may complain about the key not being unique. In the database you can also choose not to require a unique primary key. In the Contact database you certainly don't want to have unique keys - instead you want to list the prospects you user might be interested in after a search. What you would do is to assign a new contact a new id, such as a customer number. This id is dynamically created as needed so it is never an issue to get it unique (actually it is an issue in distributed systems, but never mind that). But for the purpose of a design excercise, lets continue to assume we need a unique name. In object models you can create a detached child object, fill it in with data, and eventually add the object to a container in the object model. Here there is no reason to require uniqueness before the time where the object is appended. Another way to deal with object models is to use the AddNew method. In this case the child object (here contact) is both created and appended at the same time. AddNew will then require a unique name and complain immediately before you get a chance to add more data. I generally do not like object models where you create detached objects that are later appended. This gives all sorts of problems - typically an object also has a reference to the root of the object model, or the "Document". While being detached there is no document and many operations work differently. Another problem is issues with lifetime management and even allocation although this is less relevant in garbage collected languages unless the object references external resources such as files. You can also choose AddNew, but allow an inconsistent definition until a call to an Update method - this is also nice if you later want to change the name. A perfect example of this problem are files in a filesystem. Generally you first use AddNew, as in create_file(filename) or fopen(filename). In Unix a file can also exist anonymously without having a name, or it can have multiple names. In relality the file is identified by a unique id - the inode number. For the average user you don't see the inode so appears like an AddNew system. > I would like to go for [1] since it is very simple but in many cases it > just shifts the complexity to the client since the client now has to > buffer data in a structure that probably looks a lot like Contact until > it has enough to create a valid contact. > So I guess I should use [2] but I don't know how to do that ... do I > create two classes of objects: IncompleteContact and Contact. Generate > the second from the first through validation ? For [2] you can use a factory method to create the object and a second method to add the object to the system. This is the save operation suggested by Dave. But there isn't really a right way to do it. It's all about the language and the object model you generally want. I guess you can look at REXML versus DOM object model to see the variation in design of object models. When possible I like to think of a unique key as something that does not belong to an object but rather something that belongs to a relation between the current object and a mapping object. This relation can be created, removed and changed at any time (Here the mapping object would be AddressBook or something inside it). Obviously search facilities will only be available when the mapping relation exists but the object can easily exist without it. This view makes it possible to let an object have any number of values that kan be unique in some relations and non-unique in other relations. You can in other words index you object in arbitrarily many ways. To deal with the life time issue you can have one ownership relation that optionally maps a dynamically created unique id to the object (like the inode). If this unique id relation is broken, you should also break all other mapping relations i.e. remove the unique name from the name index etc. and eventually deallocate the resources tied to the object (such as memory in non garbage collected systems). Mikkel