<alexyk>
now I installed godi-ocamldbi and godi-ocaml-mysql
<alexyk>
and don't see what else can I install
<thelema>
maybe it didn't get built because of a missing dependency?
<alexyk>
ah, I was wrangling with conf-mysql for a bit
<alexyk>
hmm
* thelema
doesn't know godi very well, so...
<alexyk>
ah my bad -- didn't run config on the godi-ocamldbi
<alexyk>
btw how do you make the bullet for sotto voce? :)
<thelema>
/me
* alexyk
learned something new
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<alexyk>
after running config dbi_mysql is built for ocamldbi
<alexyk>
how can I reload a .cma from # prompt? my dbi.cma changed by ocaml does nothing
<alexyk>
there's no #reload or #unload
<alexyk>
well in any case it all works
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<alexyk>
into what is good to catch row set returned by sql query?
<alexyk>
something dynamically resizeable I meqan
<alexyk>
mean
<thelema>
depends on how you want to access it.
<alexyk>
I am just exploring the data for now; is it typical to use extlib and things like DynArray?
<alexyk>
I mean do folks try to use built-in Array or do they go straight to extlib nowdays?
<thelema>
no, just use #fetchall to put all the data into a list
<alexyk>
ah ok
<alexyk>
still does extlib assume it's all-encompassing or does it complement base stuff?
<thelema>
extlib complements, the new project, batteries, all-encompasses
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<alexyk>
thelema: is batteries worth getting over godi with stuff?
<thelema>
as one of its developers, I'd appreciate you trying it out and seeing what you think. But on the other hand, it's still pretty rough in places, so don't expect the world of it.
<alexyk>
thelema: sure; can it sit in its own directory completely by itself with its own ocaml?
<thelema>
it doesn't need its own ocaml to work - the way to use it involves ocamlbuild and ocamlfind
<thelema>
err, findlib
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<alexyk>
hmm -- so I have godi and ocaml from godi; it installs into a prefix, in my case I put it in /opt/godi/ -- so my ocaml is /opt/godi/bin/ocaml; and findlib surely is from there, so it'll find all the godi's stuff first in its own pkg-lib/ and site-lib/
<alexyk>
how will batteries not interfere with that, or how can I tell my findlib to look in batteries first?
<thelema>
? at the moment, batteries is just a (mega-)library and some camlp4 code.
<thelema>
it'll be my job to produce community ocaml - a build of ocaml that integrates the batteries code.
<thelema>
not yet, though.
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* palomer
has just removed over 300 lines of code
<palomer>
batteries sounds exciting
<thelema>
I hope you'll try it out and write better code because of it.
<palomer>
but you released at the very end of my project!
<palomer>
oh well, maybe another project
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<palomer>
btw, anyone know how to change the border colour of a label?
<palomer>
this design is _so_ much better!
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<Palace_Chan>
id like to conditionally perform a: let bla = something in....but i get a syntax error if i do something like: if abool then (let a = something in) else go on with the code...
<Palace_Chan>
but it gives me a syntax error with that
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<thelema>
what do you want to happen after the else case when something refers to a?
<Palace_Chan>
i want to continue with other code
<thelema>
yes, and will you refer to [a] in that code?
<Palace_Chan>
well at the end i check the bool again, and depending on that i either return something with a or something with None
<thelema>
my recommendation: let a = ref None in if abool then a := Some something;
<Palace_Chan>
thelema, hmm, let me try to use something like that, see if that works
<palomer>
hrmph
<palomer>
is it possible to get an hbox or vbox or scrolled_window or event_box to become highlightable?
<tsuyoshi>
why do you want to highlight a container?
<palomer>
yeah
<palomer>
give it focus
<palomer>
I want it to capture my keystrokes
<palomer>
im browsing an AST
<palomer>
I put the AST as a bunch of labels in hboxes in vboxes
<palomer>
in vboxes...
<palomer>
so I want to browse the AST by pressing up, down, left, right
<palomer>
standard stuff
<tsuyoshi>
well, the contents of a box are highlightable
<tsuyoshi>
you can highlight a label certainly
<Palace_Chan>
thelema, thanks that was a nice idea
<palomer>
but the contents of my boxes are boxes or labels
<palomer>
Yoric[DT], any idea how a label can wrest focus from an entry?
<Palace_Chan>
basically i have an a option type...and i want to set e to be the result of function f evaluated at x where x is Some x for a....but if a is none then i cant even call that function so i dont want to do it...
<Palace_Chan>
as in let e = match a with | Some x -> f x | None -> i dont want to set e in this case
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<palomer>
let may f x = match x with Some y -> f y | None -> () <---useful function
<tsuyoshi>
palomer: label#misc_ops#grab_focus should do it
<Palace_Chan>
palomer, thanks!
<palomer>
tsuyoshi, nope
<palomer>
Palace_Chan, np (blatantly stolen from the lablgtk source)
<tsuyoshi>
hrm.. well, I obviously don't know what I'm talking about since I thought you could focus labels
<palomer>
try the code out!
<palomer>
I think you can highlight widgets in other toolkits
<tsuyoshi>
ah, I can't, I'm in an internet cafe at the moment
<Yoric[DT]>
palomer: sorry, no idea
<tsuyoshi>
oh btw why do you want to focus a label?
<flux>
what does focusing a label mean?
<palomer>
err
<palomer>
give it focus
<flux>
you get a nice frame around it? I mean, a label doesn't do anything useful with input, does it?
<palomer>
I want to caputer my keypresses
<palomer>
capture
<flux>
shouldn't the event box be the one getting the focus?
<palomer>
event boxes do the same thing
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<palomer>
oh wait
<palomer>
maybe you can
<palomer>
but you have to set_can_focus
<palomer>
weird, eh?
<palomer>
and you _have_ to grab focus
<flux>
problem solved, then?
<palomer>
yup
<palomer>
cool:)
<palomer>
man, the widgets in a vbox HAVE to be the same width
<palomer>
this sucks
<palomer>
how do I fix this?
<palomer>
by packing two widgets in each row?
<tsuyoshi>
what kind of widgets?
<tsuyoshi>
you might just want to set the "expand" and "fill" properties
<palomer>
trying that
<palomer>
I also have to put in a dummy container to fill in the same
<palomer>
space
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<palomer>
hrmph
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<palomer>
hrmph
<palomer>
anyone know how to change the border colour of an event box?
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<flux>
colors.. I remember that those things are PIA in gtk..
<flux>
maybe it's better these days
<palomer>
color is ok
<palomer>
you can use a text string
<palomer>
which is cool
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<palomer>
well, you can surround your stuff with a frame
<palomer>
that's one way
<palomer>
I don't like it though :)
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<palomer>
hrmph
<palomer>
double hrmph
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<pierre_m>
Hi there, anyone from batteries-included ?
<flux>
I shall betray them: yoric[dt] (not around) and tsuyoshi
<palomer>
don't forget thelema
<palomer>
my rendering code is magically delicious
<pierre_m>
thanks for the info
<pierre_m>
anyway my problem is probably not yet so related to batteries
<pierre_m>
(are we supposed to speak english or french here ?)
<flux>
english is much preferred
<pierre_m>
do you think that dealing with unicode string manipulation (probably using ocaml-rope) is a good way to learn camlp4 ?
<flux>
I'm not actually familiar with camlp4 almost at all, but what kind of string manipulation were you thinking of?
<pierre_m>
(the fact is I need convenient unicode string manipulation)
<pierre_m>
well basic stuffs
<flux>
how would it be different from just using plain ocaml-rope?
<pierre_m>
concatenation, substrings
<pierre_m>
I'd like to use rope the same way we use strings
<flux>
well, ocaml-rope can do both of those, right?
<flux>
as long as there are functions that expect strings but are used with ropes, inconvenient syntax seems unavoidable..
<flux>
camlp4 cannot unfortunately inspect the program in the type level - atleast not without reimplementing much of the compiler
<pierre_m>
I'd like this kind of things : let my_rope = "unícode" ^ "等等"
<flux>
ah, ok
<flux>
so string literals would automatically be ropes
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<flux>
(the concatenation bit should be easy, something like let (^) = Rope.concatenate (I don't know how ocaml-rope library is used))
<palomer>
ropes!
<pierre_m>
or my_uchar = myrope<3>, my substring = myrope<3,12>
<pierre_m>
(note sure if the <> is a good idea, probably not)
<flux>
pierre_m, what would that even mean?-)
<pierre_m>
my_uchar would be the fourth char of myrope
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<pierre_m>
and my_substring a substring from the fourth to the thirteen
<pierre_m>
something like that
<flux>
nasty trick: module String = struct include String let get s a = Printf.printf "%d\n" a end
<flux>
"foo".[42]
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<flux>
how about simply redefining [] if you want to use mostly ropes anyway?
<flux>
or were you thinking of an extension that could be easily used even with existing projects?
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<pierre_m>
well I was curious about camlp4
<pierre_m>
and thought that it may be somekind of excuse to try it
<flux>
well, perhaps that would serve as the first step for doing stuff with it
<pierre_m>
[] is ok but I thought it may be confusing with list
<flux>
actually it's .[]
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<pierre_m>
ok I found few interesting things, I'll go one with the tutorial, thank you
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<mfp>
pierre_m: that's the sort of thing you can do with pa_do
<mfp>
pierre_m: something like let my_rope = Rope.("unícode" ^ "等等")
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<mfp>
hmm, in fact it's one of the examples
<flux>
:)
<pierre_m>
ho
<pierre_m>
what does pa_do do ?
<Yoric[DT]>
hi again
<pierre_m>
hi
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<pierre_m>
well, that's not fun, it seems that it's too easy to do this with pa_do !!!
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<pierre_m>
Yoric[DT]: some message on batteries-devel had me willing to look at camlp4 for a more convenient syntax for Ropes
<Yoric[DT]>
Do you want to handle that?
<pierre_m>
has bluestorm started something ?
<pierre_m>
in fact I know nothing about camlp4, and I'm far from being a caml guru
<Yoric[DT]>
He hasn't answered, so I guess he hasn't started yet.
<Yoric[DT]>
That's probably going to require some slightly heavy-duty magic.
<pierre_m>
so I don't know what will I end with, that's why I didn't say anything on the list
<pierre_m>
I was thinking about keeping an eye on what bluestorm would be doing
<Yoric[DT]>
Well, he hasn't been very active since classes started.
<pierre_m>
but I can try to do *something* if someone can check if I do things the right way or not
<pierre_m>
playing with the syntax sounds a bit dangerous
<Yoric[DT]>
I'm willing to give you a hand.
<pierre_m>
but since unicode strings are allmost what I need the most, iḿ quite interested
<Yoric[DT]>
great
<Yoric[DT]>
Lunch-time calls, I'll try and return later.
<pierre_m>
bon ap' then
<Yoric[DT]>
merci
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* Yoric[DT]
is back
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<Camarade_Tux>
jonafan, would you actually release your b-tree code ?
<Camarade_Tux>
I'll use it if I have enough time :)
<Camarade_Tux>
and don't panick, I don't need remove ;p
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<jonafan>
Camarade_Tux how would i release it?
<Camarade_Tux>
jonafan, a nicely packaged library, maybe hosted on forge.ocamlcore.org ? :)
<jonafan>
i've never done that
<jonafan>
i probably want to make one of those sig things
<flux>
camarade_tux, just darcs push it to your web space
* Camarade_Tux
is reticent to darcs theories
<flux>
whops, I meant jonafan
<Camarade_Tux>
jonafan, I have to say it's always a bit annoying, especially the first times as you're not used to it
<flux>
darcs is great, everyone should try it.
<Camarade_Tux>
but flux is right too, a repository should suffice
<jonafan>
anyway, btree isn't really that useful
<Camarade_Tux>
flux, *and* I really don't enjoy their homepage, sounds commercial
<jonafan>
i think the Map module should be better for most uses
<Camarade_Tux>
in fact I hate it
<flux>
camarade_tux, darcs has commercial-sounding website?
<Camarade_Tux>
jonafan, actually I'd like to try writing xfs on windows, and xfs uses B+-trees ;)
<flux>
jonafan, maybe if you add some possibility to map the b-tree into blocks
<Camarade_Tux>
(using Dokan, I'm not completely mad)
<flux>
and writes, and so on
<jonafan>
b+ trees are a little different
<jonafan>
IIRC they're btrees with links to the next node, so the tree can be traversed from beginning to end more efficiently
<Camarade_Tux>
flux, actually that was one paragraph on the page, seems it got removed/changed though
<Camarade_Tux>
that would probably reduce a lot the work needed :)
<Camarade_Tux>
(and I don't need that much performance)
<jonafan>
how about i just put it on pastebin or something?
<Camarade_Tux>
jonafan, pastebin is not that great
<jonafan>
okay i'll try to figure out how to do the forge.ocamlcore.org thing
<Camarade_Tux>
if you don't feel like doing a complete release (which is absolutely normal), just 'tar czf' it and upload it somewhere :) (* with a license btw ! *)
<jonafan>
lgpl?
<Camarade_Tux>
jonafan, biq question :p
<Camarade_Tux>
but it's usually gpl+static linking exception for ocaml libraries
<Camarade_Tux>
hmm, rebooting, be back soon ... or not (kernel fun)
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<jonafan>
what does that mean
<jonafan>
oh well, brb
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<jonafan>
oh
<jonafan>
what does gpl + static linking exception mean?
<jonafan>
isn't that basically the same as the gpl?
<jonafan>
er lgpl
<Camarade_Tux>
actually no, I can't remember exactly though
<flux>
it's usually lgpl+static linking exception?
<Camarade_Tux>
flux, maybe, I can't recall =/ (but that would make more sense, right)
<flux>
(although I personally choose bsd, especially for simple things)
<jonafan>
maybe i'll go with bsd
<jonafan>
i don't have a lot of ties to the code
<Camarade_Tux>
you'll probably see me reboot quite often btw
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<Yoric[DT]>
hi again
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<Camarade_Tux>
Yoric[DT], hi :)
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<Camarade_Tux_>
ok, enough reboots for now, 12 seconds to start my computer is low enough (for today ;p )
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<jonafan>
wow, 12 seconds
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<Yoric[DT]>
of what?
<jonafan>
Camarade_Tux's computer apparently boots up that quickly
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<jonafan>
is there really a big advantage to using a sig?
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<blue_prawn>
jonafan: hide functions private to a module
<blue_prawn>
make a type become abstract
<blue_prawn>
functors
<jonafan>
i don't like writing comments
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<blue_prawn>
ok, so just write clear code that doesn't need aditional comments :)
<jonafan>
sometimes, it just can't be done
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<blue_prawn>
then choose properly the names for the vars and funs, so they tell what they do
<blue_prawn>
or try to insert some humour in your comments
<jonafan>
i just realized this is weak because it does not support custom compare functions
<blue_prawn>
what are you working on?
<jonafan>
btrees
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<jonafan>
72 hours?
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<ertai>
Is there some CVS guru who knows how to add the exec bit to a commited file
<orbitz>
CVS? this sin't 1997 buddy
<ertai>
orbitz: sorry, it's the official version control system used by OCaml
<orbitz>
crazy french
<blue_prawn>
ocaml is older than svn I think
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<doy>
ertai: cvs doesn't handle file permissions at all
<doy>
as far as i know
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<blue_prawn>
good night
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* palomer
is in love with his new rendering engine
<palomer>
who knew placing text on a screen could be such a pain?
<Anarchos>
when i compile with 'ocamlmktop -g -custom -w mv -ccopt -L~/beos -vmthread threads.cma ' , i get 'Error while linking /boot/home/config//lib/ocaml/vmthreads/threads.cma(ThreadUnix): Reference to undefined global `Unix''
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<ertai>
doy: thanks, in fact it use the same permissions as the original file when adding it
<Yoric[DT]>
Anarchos: try adding unix.cma before threads.cma .
<ertai>
doy: then to change it you have to change permission of the ,v file on the server and commit a fake patch to force updates
<jonafan>
my ocamlcore project is approved
<jonafan>
now what?
<doy>
oh, yeah, i didn't know you had server access