gmane.comp.lang.factor.general

Re: build farm down?

Ben Schlingelhof — 2012-05-24T16:59:28

Thanks for the info and thanks even more for running the farm. Im relieved to hear it's not been abandoned.  

Ben  

Am Donnerstag, 24. Mai 2012 um 18:19 schrieb Doug Coleman:



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Re: build farm down?

Doug Coleman — 2012-05-24T16:19:57

I'm running a build farm for Linux32/64 and Windows32/64. There's a
Mac Pro nearby that I'll set up for Mac32/64 soon.

If you look at the dashboard (http://builds.factorcode.org/dashboard)
you can see which tests are failing and which machines are up. It says
the crashed build machines are Linux and Mac, but Linux is actually up

Strings & co.

Luke Worth — 2012-05-23T22:20:22

Hi there,

I sometimes ponder the difference between " and everything else, regarding whitespace after the word. It's particularly disconcerting when using parsing words like R", which do require the space.

Since in the standard library there are only 6 words containing ", I propose the following parsing change: Treat " as end of word. This would generalise quotes so that we can write R".*", which to me is a lot less confusing than R" .*".

I don't believe anyone would write a word named R"blah", because of how confusing that looks.

Would this be worth implementing?

Luke
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build farm down?

Ben Schlingelhof — 2012-05-23T09:41:27

As the title says. I've just tried to find something on the irc logs but
I'm too brain-fried at the moment (my office is at 31 °C). Is the
continuous integration thing unmaintained or am I missing something?

Cheers,

Ben
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Re: format-float and locale decimal point

Jon Harper — 2012-05-21T18:06:23

If we drop locale support completely, we could just call
gtk_disable_setlocale (), but since the x11 version was explicitly
setting the locale to the user's locale, I thought it was not the
solution we should choose.
Also i'm confused as to what function should be called, xlib's
setlocale or libc setlocale. GTK2 used to have gtk_set_locale as well,
but that's deprecated in gtk3.. Xlib's values for constants LC_NUMERIC
seem more portable than glibc's and are already defined in
x11/xlib.factor
Jon

On Mon, May 21, 2012 at 6:31 PM, John Benediktsson <mrjbq7-Re5JQEeQqe8AvxtiuMwx3w< at >public.gmane.org> wrote:

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Re: format-float and locale decimal point

John Benediktsson — 2012-05-21T16:31:32

Good points.  Btw, your patch is linux specific for those constants, on OS
X, locale.h has this:

#define LC_ALL          0
#define LC_COLLATE      1
#define LC_CTYPE        2
#define LC_MONETARY     3
#define LC_NUMERIC      4
#define LC_TIME         5
#define LC_MESSAGES     6
#define _LC_LAST        7               /* marks end */


On Mon, May 21, 2012 at 9:13 AM, Jon Harper <jon.harper87-Re5JQEeQqe8AvxtiuMwx3w< at >public.gmane.org> wrote:

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Re: format-float and locale decimal point

Jon Harper — 2012-05-21T16:13:22

Only allowing "." seems a lot simpler.
If we use the locale dependant decimal point when we print numbers,
what should we do when parsing numbers ?
If the parser also uses the locale decimal point, then source code
compiles differently depending on the locale.
If the parser doesn't use the locale decimal point, then number>string
string>number isnt identity anymore.

The solution would be to have 2 different words to parse number in
"canonical source code form" and numbers in "locale dependant form".

Also, the parser currently hardcodes "," as thousands separtor, but
it's also locale dependant...
Jon


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Re: format-float and locale decimal point

John Benediktsson — 2012-05-21T15:31:00

Perhaps another approach would be to add a check in fix-float for a ","
similar to the current "." check?

On Sun, May 20, 2012 at 8:24 AM, Jon Harper <jon.harper87-Re5JQEeQqe8AvxtiuMwx3w< at >public.gmane.org> wrote:

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format-float and locale decimal point

Jon Harper — 2012-05-20T15:24:06

Hi list,
using a french locale (fr_FR.UTF-8) breaks printing of floats:
IN: scratchpad 3.5 .
3,5.0

This is because the decimal point in french is ",", so the output of
(format-float) is "3,5" and fix-float explicitly checks for "."
The locale is forced by gtk to the environnement variables. However,
the old X11 backend also forced the locale (in basis/x11/x11.factor)
so this is should not be new with the gtk backend..

So I guess the best solution is to force LC_NUMERIC to a locale that
has a "." as the numeric separator right after gtk_init (for example
set_locale LC_NUMERIC "C").
Here's a patch that does that: http://paste.factorcode.org/paste?id=2595

Please feel free to modify/improve the patch...
Jon

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Re: couchDB HTTP I/O problem

John Benediktsson — 2012-04-26T14:32:59

How long does it go before the timeout?  Is it immediately, or something
like 60 seconds?


On Wed, Apr 25, 2012 at 11:38 PM, CW Alston <cwalstonsf-Re5JQEeQqe8AvxtiuMwx3w< at >public.gmane.org> wrote:

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couchDB HTTP I/O problem

CW Alston — 2012-04-26T06:38:39

Greetings, Factoristas -


I'm looking for advice/insight on an io timeout error problem. I've built a
couchdb 1.2.0 database,

and sucessfully replicated it via curl (command line) back & forth between
my localhost cdb instance

and Cloudant and Iriscouch hosts. But when I try to POST a _replicate
command from Factor, I've found

no way to avoid an immediate closed connection and retry (terminal msg),
followed by an I/O

timeout error (listener). Looks like this:


! sample Factor code;  starred* words just alternates of couchdb vocab
(except set-keep-alive*)

: set-keep-alive* ( request -- request )  ! pipeline fiddling with headers

     "keep-alive" "connection" set-header

     "cwalston" "password" set-basic-auth  ;


: couch-http-request* ( request -- data )

    set-keep-alive*  ! ( -- request )

dup .                        ! test display (see below)

    [ http-request ] [

        dup download-failed? [

            response>> body>> json> <couchdb-error> throw

        ] [

            rethrow

Is Development Dead?

John Sampson — 2012-04-15T07:40:22

It would be good if the links from 
http://concatenative.org/wiki/view/Factor/Features/The%20language
were worth following. All one finds is blank Wiki pages.

Regards

_John Sampson_

On 15/04/2012 05:22, John Benediktsson wrote:

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Re: Is Development Dead?

John Benediktsson — 2012-04-15T04:22:12

It is true that blogging has been silent recently, but the development
branch of Factor represents a good amount of work over the last year.  You
can browse the commits on Github:

    http://github.com/slavapestov/factor

It's about time for a new release (maybe 0.95?), but there are a few minor
issues we'd like to resolve before then.

Best,
John.


On Sat, Apr 14, 2012 at 8:13 PM, graham telfer <gakousei53-PkbjNfxxIARBDgjK7y7TUQ< at >public.gmane.org>wrote:

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Is Development Dead?

graham telfer — 2012-04-15T03:13:37

Hi,

It is some time since I checked out the Factor site but I wanted to see if there was an update to version 0.94. There was no change. I checked out the blogs from Planet.Factor and noticed that all but 1 seemed to have no additions for about a year. It prompts me to ask if Factor is dead and if there will ever be a version 1?
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Re: Plotting

Jon Harper — 2012-03-20T23:37:26

There's something toi connect to Google chart apis by mrjbq7:
http://docs.factorcode.org:8080/content/vocab-google.charts.html

Jon
Le 21 mars 2012 00:26, "Luke Worth" <luke-VBRC7lpUVsK6c6uEtOJ/EA< at >public.gmane.org> a écrit :

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Plotting

Luke Worth — 2012-03-20T23:25:29

Hello,

Is there a library for plotting a dataset on a graph?
If not, I'm inclined towards producing one.

Luke

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Re: Learning Factor - string,array and io handling - beginner

Robert Herman — 2012-03-15T13:54:32

tips into my code. By 'empty string' I was referring to field or cell in
the CSV file left empty by the data input person, so all I parse out is ""
(a pair of double quotes). It stopped my program from completely walking
the directory, since I had no exceptions, everything is hard-coded. The
find command works to an extent, but I still need to chop out only the
portion I need.

Your article was a good read. Very informative for me. I still haven't
fully integrated your shorthand of my code with the map and array you used
above, because I have some cut commands between the maps, although I
completely understand the concept now.

I think I will start a new thread on a new topic. Do folks here normally
reply at the bottom of the post or inline? Thanks again.

Rob
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IDE news

Michele Pes — 2012-03-15T09:24:19

Hi to all,
If someone doesn't feel comfortable with emacs....
exists an editor that support factor syntax coloring, code folding,
source tree and basic code completion.
I use it regulary for factor and for many others programming languages.
I really suggest to give it a try, just download the latest beta.

http://www.uvviewsoft.com/synwrite <http://www.uvviewsoft.com/synwrite/>

michele pes

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Re: Learning Factor - string, array and io handling - beginner

John Benediktsson — 2012-03-14T15:33:48

"" empty?
 

"/tmp/foo" ascii [ "hello world" print ] with-file-appender 

The csv vocab makes sequences of strings.  The regexp vocab only works on strings.

IN: scratchpad "a,b,c" string>csv .
{ { "a" "b" "c" } }


You might want to look into words like "find", "find-from", or other sequence operations if you want regexp like searching or matching.

Well, "swap drop swap" is "nip swap".  But often when you are using stack shuffling words, you are not taking advantage of higher level words or combinators.  Try reading:

IN: scratchpad "combinators" help

Also, you might find this blog post I wrote on refactoring a word that has ugly stack shuffling to be useful:

http://re-factor.blogspot.com/2010/05/evenly-partition-integer.html
 


You might find something like this makes it cleaner:

utf8 file-lines
[ regexp ] filter
{ 0 1 2 } swap nths
[ string>csv ] map

Also, if you are appending and then printing, you can just write the strings as they happen, or try looking into the "make" vocabulary:

[ "Hello" % C

Re: Learning Factor - string,array and io handling - beginner

Robert Herman — 2012-03-14T13:36:21


I have been able to wak the directory and extract the data I needed thanks
to the help here. Pouring over the documentation, which is excellent by the
way and makes learning Factor enjoyable, I have learned tons. I have a few
issues with my current version.

   1. I am unsure how to check for an empty string and skip it if it is
   empty.
   2. I have been unsuccessful in getting it to write to a single file in
   an append mode, or to create a sequence of files as it goest through 'each'
   'with-directory-files'.
   3. The people who have entered the data mixed mm/dd/yyyy with dd/mm/yyyy
   in the original Excel sheets that I created my CSV sheets from. Of course
   it is easy to check for numbers > 12, but dates like 10/10/2010 are
   problematic.
   4. I had to use file-lines vs. file>csv to bring in the data, or else I
   could not get my regexp working on the CSV from file>csv.
   5. Not really an issue, but are there any cominators or other commands
   that could consolidate all of the 'swap drop sw

Re: Beginner question about style and stack shuffling

2012-03-12T19:05:29

Thank you very much for both answers.

They both are very instructive.

This one is really amazing though:

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