[erlang-questions] Tools for Erlangers

Lone Wolf <>
Sun Sep 2 19:13:07 CEST 2007


>>Out of curiosity, why did you list the Maven plugin in the list of
 erlang resources?
  Because I found a Maven plugin for building (I think) Erlang applications.

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Today's Topics:

1. Re: Tools for Erlangers (Ben Munat)
2. Re: Tools for Erlangers (Dustin Sallings)
3. flow control in http client asynchronous mode (Paul Mineiro)
4. string:to_lower (Anthony Shipman)
5. Re: bit syntax slower than bit operations (Kirill Zaborski)
6. Re: bit syntax slower than bit operations (Bjorn Gustavsson)
7. Emacs: Debugger buffer not showing program output (Vishnu Gopal)


----------------------------------------------------------------------

Message: 1
Date: Sat, 01 Sep 2007 14:14:52 -1000
From: Ben Munat 
Subject: Re: [erlang-questions] Tools for Erlangers
To: 
Message-ID: <>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

I'm still an erlang newbie, but I've used erlide some and have no complaints. It
shows me syntax errors, has template generators for modules, etc. Well, I guess
my one complaint would be that the console doesn't have up-arrow command history
(like the erlang shell does).

There's also Caoyuan's ErlyBird, which is a Netbeans-based erlang IDE:

http://sourceforge.net/projects/erlybird

I haven't tried that but will definitely do so when I get around to trying the
Netbeans Ruby on Rails support.

I also haven't tried the emacs support cuz I'm still too chicken to try emacs...
I'm barely comfortable with VI!

Out of curiosity, why did you list the Maven plugin in the list of erlang resources?

Ben

Lone Wolf wrote:
> Hi.
> What is your Erlang development tools?
> For Java, I have IntelliJ, Ant, Maven and alot of frameworks (Spring,
> Hibernate, Seam...).
> For Erlang, resources are so limited (ErlyWeb, Maven plugin and Erlide).
> Do you recommend any tools for Erlanger?
> Thanks.
> 
> */Deep into that darkness peering, long I stood there, wondering, 
> fearing, Doubting, dreaming dreams no mortal ever dreamed before./*
> */E.A Poe/*
> *//*
> *//* 
> 
> ------------------------------------------------------------------------
> Luggage? GPS? Comic books?
> Check out fitting gifts for grads 
> 
> at Yahoo! Search.
> 
> 
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> 
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> 
> http://www.erlang.org/mailman/listinfo/erlang-questions



------------------------------

Message: 2
Date: Sat, 1 Sep 2007 20:13:56 -0700
From: Dustin Sallings 
Subject: Re: [erlang-questions] Tools for Erlangers
To: Garry Hodgson 
Cc: 
Message-ID: <>
Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed


On Sep 1, 2007, at 14:44, Garry Hodgson wrote:

>> {"src/*", [debug_info, {outdir, "ebin"}, {i, "include"}]}.
>
> but how do you manage all of the complexity in that makefile 
> without an IDE?

You know, there is some validity to that question. I found that 
snippet on some page that pointed out the existence of the erl make 
thing as it was describing a sort of standard layout for a project. 
If this layout is ``standard,'' it'd be great to not have the 
Emakefile at all. :)

-- 
Dustin Sallings




------------------------------

Message: 3
Date: Sat, 1 Sep 2007 20:57:27 -0700 (PDT)
From: Paul Mineiro 

Subject: [erlang-questions] flow control in http client asynchronous
mode
To: 
Message-ID: 

Content-Type: TEXT/PLAIN; charset=US-ASCII

is there any way to get flow control when using the { stream, self }
option to http:request/4 ?

thanks in advance,

-- p


------------------------------

Message: 4
Date: Sun, 2 Sep 2007 18:10:05 +1000
From: Anthony Shipman 
Subject: [erlang-questions] string:to_lower
To: 
Message-ID: <>
Content-Type: text/plain; charset="us-ascii"

13> string:to_float("0").
{error,no_float}
14> string:to_float("0.0").
{0.00000e+0,[]}

That's a bit rough!
-- 
Anthony Shipman Mamas don't let your babies 
 grow up to be outsourced.


------------------------------

Message: 5
Date: Sun, 2 Sep 2007 13:12:56 +0400
From: "Kirill Zaborski" 
Subject: Re: [erlang-questions] bit syntax slower than bit operations
To: "Bjorn Gustavsson" 
Cc: 
Message-ID:
<>
Content-Type: text/plain; charset="iso-8859-1"

And when is R12B is planned for?

Best regards,
Kirill.

On 01 Sep 2007 23:45:52 +0200, Bjorn Gustavsson 
wrote:
>
> Matthias Radestock writes:
>
> >
> > Unfortunately, my tests indicate that the latter version is about twice
> > as fast, using R11B-5 under Linux on x86.
> >
> > Does the bit-syntax compilation produce rather inefficient code?
>
> Yes, it could be better.
>
> In fact, I managed to optimize the BEAM instruction for matching out
> an integer from a binary so that decode_compact/1 now runs somewhat
> faster than decode_verbose/1 on my computer (Sparc/Solaris).
> I hope to optimize construction of binaries in the same way.
>
> Those improvements will be included in R12B, as well as other improvements
> and optimizations of the bit syntax that we have been working on.
>
> Thanks for pointing out the problem.
>
> /Bjorn
> --
> Bj?rn Gustavsson, Erlang/OTP, Ericsson AB
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> 
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Message: 6
Date: 02 Sep 2007 11:14:34 +0200
From: Bjorn Gustavsson 
Subject: Re: [erlang-questions] bit syntax slower than bit operations
To: 
Message-ID: 
Content-Type: text/plain; charset=iso-8859-1

"Kirill Zaborski" writes:

> And when is R12B is planned for?

Before the end of this year.

/Bjorn

-- 
Bj?rn Gustavsson, Erlang/OTP, Ericsson AB


------------------------------

Message: 7
Date: Sun, 2 Sep 2007 15:06:00 +0530
From: "Vishnu Gopal" 
Subject: [erlang-questions] Emacs: Debugger buffer not showing program
output
To: 
Message-ID:

Content-Type: text/plain; charset=ISO-8859-1

Hi!

I'm trying to learn both Emacs and erlang (newbie to both so please be
gentle). I installed Distel fine and managed to connect to an erlang
node. Was trying out debugging when I noticed something odd.

I start a debug session with C-c C-d i and set a breakpoint C-x SPC.
And when I run the function in the shell, the debug process list
window pops up. I type return on the correct process and a debugger
buffer pops up. As far as I understand it to work, it should show the
program in a read-only buffer: with the state of execution &
breakpoints, and with variables at the bottom of the window. However I
get a blank buffer: all the commands (n, SPC, q, h, etc.) seem to work
fine though. I'm not sure if it's because I misunderstood how it's
supposed to work, so here's a screenshot:

http://vish.in/temp/emacs-debug.png

Shouldn't it look something like this:
http://bc.tech.coop/blog/images/distel2.jpg ?

(I'm using Aquamacs btw, not sure if that makes a difference).

It'd be great if somebody could help.

Thanks,
Vish


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