[#396148] Facebook Group — Moses Aronov <mosesaro@...>

There is a facebook group that was recently created so we could all communicate with other fellow developers

13 messages 2012/06/05
[#396178] Re: Facebook Group — Chad Perrin <code@...> 2012/06/06

On Wed, Jun 06, 2012 at 01:55:48AM +0900, Moses Aronov wrote:

[#396186] Inexplicable Argument Error — Doug Jolley <lists@...>

I am encountering a very strange argument error. I simplified my code

12 messages 2012/06/06

[#396229] Thread#kill is not rescued by "rescue Exception" — Iñaki Baz Castillo <ibc@...>

Hi, let me show this easy code:

13 messages 2012/06/07

[#396333] Is "a,b=c,d" atomic? or do I need a Mutex? — Iñaki Baz Castillo <ibc@...>

Hi, I have two methods that could be called by different threads and

10 messages 2012/06/10

[#396357] ffi - Popping image on top of the screen — "Damián M. González" <lists@...>

Ey guys, how are you? I`m developing an application in Ruby, using

12 messages 2012/06/11

[#396373] Why should I learn ruby? — Kasper Steensig <lists@...>

I have wondered whether I should learn ruby or python hence they are

16 messages 2012/06/11

[#396503] Syntax Highlighter — Intransition <transfire@...>

Would you agree that Ruby shouldn't lack for a syntax highlighting library

18 messages 2012/06/14

[#396589] Unsubcripe — Suresh Rajkumar <sureshrajchennai@...>

Unsubcipe my mail address from the group.

13 messages 2012/06/18

[#396615] Symbols and Strings... — Hal Fulton <rubyhacker@...>

Hello, all...

29 messages 2012/06/18
[#396620] Re: Symbols and Strings... — Eric Hodel <drbrain@...7.net> 2012/06/18

On Jun 18, 2012, at 15:09, Hal Fulton wrote:

[#396641] Re: Symbols and Strings... — Robert Klemme <shortcutter@...> 2012/06/19

On Tue, Jun 19, 2012 at 12:31 AM, Eric Hodel <drbrain@segment7.net> wrote:

[#396643] Re: Symbols and Strings... — Hal Fulton <rubyhacker@...> 2012/06/19

Personally, I don't have a problem with "reducing the contract"

[#396646] Re: Symbols and Strings... — Robert Klemme <shortcutter@...> 2012/06/19

On Tue, Jun 19, 2012 at 5:17 PM, Hal Fulton <rubyhacker@gmail.com> wrote:

[#396659] Re: Symbols and Strings... — Hal Fulton <rubyhacker@...> 2012/06/19

> > Freezing an object also reduces its contract.

[#396678] Re: Symbols and Strings... — Robert Klemme <shortcutter@...> 2012/06/20

On Tue, Jun 19, 2012 at 10:12 PM, Hal Fulton <rubyhacker@gmail.com> wrote:

[#396701] Re: Symbols and Strings... — Henry Maddocks <hmaddocks@...> 2012/06/20

[#396702] Re: Symbols and Strings... — Bartosz Dziewoński <matma.rex@...> 2012/06/20

2012/6/20 Henry Maddocks <hmaddocks@me.com>:

[#396703] Re: Symbols and Strings... — Henry Maddocks <hmaddocks@...> 2012/06/20

[#396710] Re: Symbols and Strings... — Jeremy Bopp <jeremy@...> 2012/06/20

On 06/20/2012 03:58 PM, Henry Maddocks wrote:

[#396627] Does ERB have recursive template support? — Todd Wei <lists@...>

I want to use ERB template library to do some code generation. It

10 messages 2012/06/19

[#396649] Looking for a better way to add a method to a core class than monkey patching — Iain Barnett <iainspeed@...>

Hi all,

17 messages 2012/06/19
[#396670] Re: Looking for a better way to add a method to a core class than monkey patching — Avdi Grimm <groups@...> 2012/06/20

Please do not monkey patch core libraries in gems, unless the *purpose* of

[#396685] Benchmark obsession? — "Jan E." <lists@...>

Hi,

23 messages 2012/06/20
[#396709] Re: Benchmark obsession? — Ryan Davis <ryand-ruby@...> 2012/06/20

[#396815] Array#sample is Set#sample and not Array#sample ! — Michel Demazure <lists@...>

Arrays are ordered, sets are not. Sampling an array should give random

11 messages 2012/06/25

[#396877] CSV.open problem, help please — Kaye Ng <lists@...>

This code doesn't seem to work

21 messages 2012/06/27

[#396896] Copying text from MS Word and wrapping in HTML - help please — Adam Holloway <lists@...>

Hi,

11 messages 2012/06/27

[#396966] Interactions between 'new' and 'initialize' ? — Cees Zeelenberg <lists@...>

In JRuby, I am extending an existing Java Class with a Ruby initialising

9 messages 2012/06/28

[#396975] stack level too deep for quicksort code — bei zhao <lists@...>

Hi, below is my quicksort implementation in ruby(using the first element

12 messages 2012/06/28

[#396996] Accessor Methods with a Twist — Doug Jolley <lists@...>

I am surprised that the code shown below returns, 'Doug'. I would

15 messages 2012/06/29

[#397001] ruby performance — anaray anaray <lists@...>

Hi,

33 messages 2012/06/29
[#397007] Re: ruby performance — Bartosz Dziewoński <matma.rex@...> 2012/06/29

The MRI is, unfortunately, slow as balls, and there's not much you can

[#397008] Re: ruby performance — Hans Mackowiak <lists@...> 2012/06/29

Bartosz Dziewoナгki wrote in post #1066673:

[#397010] Re: ruby performance — Bartosz Dziewoński <matma.rex@...> 2012/06/29

2012/6/29 Hans Mackowiak <lists@ruby-forum.com>:

[#397011] Re: ruby performance — Bartosz Dziewoński <matma.rex@...> 2012/06/29

2012/6/29 Hans Mackowiak <lists@ruby-forum.com>:

[#397047] Re: ruby performance — "Andreas S." <lists@...> 2012/07/01

Bartosz Dziewoński wrote in post #1066681:

[#397048] Re: ruby performance — Bartosz Dziewoński <matma.rex@...> 2012/07/01

2012/7/1 Andreas S. <lists@ruby-forum.com>:

[#397068] Re: ruby performance — Robert Klemme <shortcutter@...> 2012/07/02

On Sun, Jul 1, 2012 at 1:42 PM, Bartosz Dziewoナгki <matma.rex@gmail.com> wrote:

[#397086] Re: ruby performance — Dan Connelly <lists@...> 2012/07/02

Here's my contribution:

Re: Does ERB have recursive template support?

From: Jes俍 Gabriel y Gal疣 <jgabrielygalan@...>
Date: 2012-06-20 13:51:27 UTC
List: ruby-talk #396684
On Wed, Jun 20, 2012 at 3:24 PM, Robert Klemme
<shortcutter@googlemail.com> wrote:
> On Wed, Jun 20, 2012 at 1:53 PM, Jes俍 Gabriel y Gal疣
> <jgabrielygalan@gmail.com> wrote:
>
>> If I understood correctly, something like this could work for you:
>>
>> # template.rb
>>
>> this template contains:
>> <%= array.inspect %>
>> <%
>> first = array.shift
>> if first
>> %>
>> <%= first %>,
>> <%= ERB.new(File.read("template.erb"), 0, "",
>> "result_#{array.length}").result(binding) %>
>> <%
>> end
>> %>
>> and something else.
>>
>> 1.9.2p290 :041 > array = [1,2,3,4]; ERB.new(File.read("template.erb"),
>> 0, "", "result_#{array.length}").result(binding)
>> > "this template contains:\n[1, 2, 3, 4]\n\n1,\nthis template
>> contains:\n[2, 3, 4]\n\n2,\nthis template contains:\n[3,
>> 4]\n\n3,\nthis template contains:\n[4]\n\n4,\nthis template
>> contains:\n[]\n\nand something else.\n\nand something else.\n\nand
>> something else.\n\nand something else.\n\nand something else."
>
> You are doing too much file reading here because you reread the
> template file for each value. hat's not necessary since we can use
> parameter binding.

You are right. I was focusing on the temporary erbout variable approach.

>
>> The trick is to create a unique temporary variable for the ouput of
>> each iteration. If not, erb will overwrite the result of each
>> iteration.
>
> I think the trick lies in getting bindings properly by nesting them
> properly. y first naive approaches did not work because variables
> were overwritten.
>
>> I don't know how you represent your nested objects. In this example I
>> created an array through which I recursively generate a template.
>
> Same here:
>
> #!/opt/bin/ruby19
>
> require 'erb'
>
> def rt(s)
>  = ERB.new(s)
> ecursive = lambda {|a, level| e.result(binding)}
> end
>
> arr = [
> ,
> ,
> 3],
> 4, [5]],
> 
> ]
>
> e = rt %Q{
> %= '  * level %>open level=<%= level %>
> %
> f Enumerable === a
> .each do |x|
> ><%= recursive[x, level + 1] %><%
> nd
> lse
> ><%= '  * level %><%= a %><%
> nd
> >
> %= '  * level %>close level=<%= level %>
> }
>
> p arr
> puts e[arr, 0]

Very nice and elegant. Thanks !

Jesus.

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