On Linux Mint I installed Racket 8.3 as usual in local folder
/home/nemo/racket. Now when I try to access the help in the browser (recent
version of Firefox), any link I click results in an error message, for
example: *Could not display "/home/nemo/racket/doc/quick/-index.html" The
location is
@gmail.com wrote:
> Maybe: raco setup --doc-index
>
> On Thu, Nov 25, 2021 at 11:28 AM Stephen De Gabrielle
> wrote:
>
>> My first guess would be to use raco to rebuild the docs - but I can’t
>> remember the exact command. It’s probably in raco pkg
>>
>>
&
Hi all,
I have a problem getting application-file-handler to work as I would
have expected on OS X 10.7 ("Lion"). This seems to be a bug/misfeature.
The problem is that when a file of the right file type is opened by
double-clicking it in the Finder, the application does not receive it as
a comma
> How about a new `application-started-empty-handler' parameter for a
> function that is called only when the `application-file-handler'
That would be great! All I need is a means to get the standard start
behavior of graphical applications on OS X.
Best,
Erich
__
One question out of curiosity. In the parallel Mandelbrot benchmark on
the language shootout page, languages like C, C++, Ada, Java 7 have 100%
CPU utilization on all cores. Racket has 94% on all cores, whereas other
languages values are sometimes much lower and differ from core to core.
What infl
I have finally found the time to rewrite an old shareware application
entirely in Racket. It works very well and only the Windows version
still needs some polishing.
For OS X and Linux I use a function that modifies a distribution created
from the menu item; it opens the image/unpacks the .tgz, a
Sorry for asking twice...this is currently a showstopper issue for me.
I need to set a custom icon for an application built with DrRacket. On
OS X this is just a matter of adding an icon and a custom plist to the
bundle, but I've learned that on windows you apparently need to use a
resource hackin
ying is failing, but I do
> believe that Racket rewrites the binaries to tell itself where to find
> its code (sometimes embedding the code right in there at some known
> offset), so if something is also doing that, it maybe is messing that
> process up.
>
> Robby
>
> O
Is it possible to reliably disable/supress or redirect the console error
and the ordinary output in a GRacket application?
I tried:
(let ((out (open-output-string))
(err (open-output-string)))
(parameterize ((current-output-port out)
(current-error-port err))
On Mon, 2011-10-17 at 14:02 -0600, Ryan Culpepper wrote:
> It's possible that the output happens when the main module's requires
> are executed.
Actually, yes, it's just that. I guess I'm paying the price now for
having been a bit picky. Many of the initialization routines in my
modules delibera
Hi,
I've got a bit of a strange requirement. What I need: a text% with
corresponding editor canvas centered on the screen filled with a
background color or image. Various tools and "overlays" might show up on
the background around the editor.
Method 1: Make a frame% fullscreen and put vertical a
Binary relations versus associative operations?
Subjective opinion: I'm not saying it couldn't be otherwise, but to me
the difference makes sense. At least (< 1) should always be an error in
my opinion. Regarding (< 1 2 3 4) as a shortcut for 1 < 2 < 3 < 4, well,
that's more debatable.
Best,
Er
Is it possible to (halfway easily) implement "typewriter" scrolling on
the basis of an editor-canvas% and text%. I've discovered
scroll-with-bottom-base which already goes in the right direction. Now
here is what I'm looking for:
- Editing always takes place on the same line, the edit line, whose
Doesn't really answer your question, but why not use something like this
instead:
(define inc
(let ((counter 0))
(lambda ()
(set! counter (add1 counter))
counter)))
Best,
Erich
On Mon, 2011-10-31 at 12:58 -0400, jkaczo...@aol.pl wrote:
> Hi,
>
> I’m using DrRacket.
> In an e
Is there a fast way to iterate over items or words in a text% instance
starting from some position. For example, I'd like to go forward or
backward starting from a position until a character in a given
srfi14 char-set is found.
Using a string returned get-text doesn't seem to work in general beca
if not, then you do have to iterate snip by snip. The positions
> inside string-snip%s are offsets from the position of the whole snip
> for characters (is that what you're asking for when you say
> text-snip%?).
>
> Robby
>
> On Mon, Dec 12, 2011 at 4:08 PM, Erich Rast
On Sun, 1 Jan 2012 15:42:23 -0800
Mark Engelberg wrote:
> The PLT team clearly cares passionately about creating and maintaining
> real, usable languages and tools. That is why Racket exists. Very
> few academic projects produce anything nearly as useful and
> professional.
I can wholeheartedl
I personally have no quirks with the existing documentation, I think
it's excellent. But here is another suggestion that I would find
tremendously helpful: an auto-hover live help that pops up information
about function definitions plus a short explanation of what the function
does directly in the
Oops...I didn't know that. Please disregard my last mail.
Thanks a lot!
> FWIW, in DrRacket, you can type f1 to search for the text that's at
> the current insertion point and you can right click on a word to do a
> similar search.
Racket Users list:
http://lists.racket-
I've been using the "crypto" library of Dimitris Vyzovitis, which is
also based on openssl. It hasn't been updated for a while, but works
fine with symmetric algorithms.
Best,
Erich
On Sun, 15 Apr 2012 17:13:00 +0200
Rüdiger Asche wrote:
> Hi there,
>
> in my Racket code, I need to crypt/
I can confirm that the latest stable release of DrRacket works fine on
Xubuntu 12.04, too.
On Sun, 6 May 2012 15:54:24 -0500
mauricio mejia wrote:
>
> the program is installed but does not load in Ubuntu 12.04
>
Racket Users list:
I might be wrong but MRG32k3a doesn't seem to have been cryptanalyzed
extensively enough to count as cryptographically secure. Probably it
isn't.
The crypto library on Planet has random-bytes and
random-bytes! that ought to be more secure. (However, I do not know the
code OpenSSL uses to gather en
> > * Colon keywords -- Make symbols beginning with the colon character
> > read as keywords.
>
> +1, but I suspect that some people really prefer the #: because it
> makes the fact that it's only syntax apparent?
Count me among them. The #: is more consistent and typing one more
character doesn
Hi all,
I have a question about tcp-listener. I've implemented a simple
filetransfer protocol whose main listener loop is this:
(define (start-listen local-port save-path from-ip progress-proc final-proc
[timeout 60.0] [file-table (make-hash)])
(define listener (tcp-listen
>
> A simpler possibility is to use a custodian
I've tried a custodian and it worked fine. But then I've
figured out that a simple exception handler also works,
and in this case it has the advantage that the finalize-proc called at
the end of my file transfer will terminate gracefully.
(def
Hi,
I've developed a small library that I would like to put on Planet, but
when I create the planet package and test-install it using raco planet
fileinject, my scribble documentation messes up the Racket docs. My
docs are listed in the documentation main page and can be viewed, but
just before th
Thanks Danny!
The import statement shows up correctly now, but I still get a
corrupted search function in the Racket documentation when the package
is installed. I've overlooked an error during package installation
earlier, here it is:
make-script: unexpected value rendered: '((font ((class "badl
> Odd! Hmmm... Are your sources anywhere where we can check it out to
> try it ourselves?
I've uploaded them temporarily to launchpad:
https://code.launchpad.net/~erich-snafu/+junk/fileutils
Thanks a lot for your help.
Best,
Erich
Racket Users list:
http://lists.ra
Seems I have a certain talent of stumbling over Heisenbugs. :)
I've applied your patches and will finalize the package soon. Thanks a
lot, Danny!
Best,
Erich
On Tue, 2 Oct 2012 15:38:10 -0600
Danny Yoo wrote:
> Error traced. No scribble document should break the search index, but
> for some
Hi,
I'm not very experienced with using the web server yet and am looking
for advice and examples of how to download and upload files. I'm
particularly interested in any example of uploading a file using a
racket client (not a browser) to the web server, because it seems hard
to understand this fr
Hi,
I have a mixin with several init-fields, but it seems that scribble
won't allow me to use @defconstructor/auto-super (Error defmixin: use
does not match pattern) For example, in the following skeleton of a
mixin,
(define tooltip-mixin
(mixin (window<%>) () (super-new)
(init-field t
Hi,
First of all, this is not a homework assignment. For some work in
philosophy (modern philosophy, I guess) I need to generate all
preorders from a given list up to a reasonable size of n=8. I didn't
find any general algorithm for it, so I made up my own that
unfortunately doesn't work correctly
Thanks Robby and Vincent for the advice. Yes, I should have been more
precise, I need to generate all *total preorders* of a given size. The
task is equivalent to generating all weak orders.
I think my idea to do this on the basis of permutations is flawed
and I'll start from scratch but it would
You've just saved my day!
Thanks a lot!
Best,
Erich
On Wed, 23 Sep 2015 10:38:07 -0400
Josh Grams wrote:
> On 2015-09-23 09:46AM, Erich Rast wrote:
> >Someone on stackoverflow gave me a working implementation in Python 3
> >
> >https://stackoverflow.com/questions/32
Hi,
I have a number of functions for computing raw distance measures and
functions to compute their maxima for a given number of items, so to
normalize them to [0,1] I provide this:
(define (normalize/distance measure maximum)
(lambda (p q)
(/ (measure p q) (maximum (full-domain-size p q)))
> (struct measure (measuring-proc maximum-proc)
> #:prop prop:procedure (struct-field-index measuring-proc))
>
> (define footrule (measure footrule-proc footrule-maximum))
>
Thanks a lot! I didn't know about this option. That seems like a good
way of embedding the information into the measure
Perhaps the original poster was just asking for how to check for the
occurrence of a loop in a graph, presumably in the context of traversing
it.
At least that's how I understood his mail when I first read it -- now
I'm no longer so sure.
Best,
Erich
On Sun, 2010-10-03 at 23:48 -0400, Stephen
Dear all,
This is my annual reminder/question whether a multi-column-list-box%
with a native look-and-feel is planned anytime soon for racket?
Now that the graphical foundations have been mostly rewritten this would
make a good candidate for a new feature in a future update.
Best,
Erich
__
e infamous "accelerated Turing machine" it
is not immediately obvious to me why this should be so.
I'd be glad about answers or good and halfway accessible literature that
deals with these questions. (Perhaps it's better to reply off the list.)
Best,
Erich
--
Just for the record, I've been using a one-week old version nightly
built of 5.1 on Ubuntu 10.04 daily during last week and didn't
experience any slowdowns. (on a reasonably fast 2.6 GHz i7 920 with 6GB
RAM, though)
So the slowdown must be specific to Ubuntu 10.10 or your configuration.
Best,
Er
Hi all,
Is there a way to automatically include all dynamic libraries used into
a distribution? -- i.e. some option to create a distribution that is
guaranteed to be self-contained?
I know that this conflicts with the idea of having dynamic libraries in
the first place but sometimes it is needed.
Hi!
You could use this cool utility:
http://stanford.edu/~pgbovine/cde.html
to create a binary distribution on a similar system where DrRacket
works, and then use it on Centos.
Just an idea...haven't tested it.
Best,
Erich
> drracket tries to start, but the pango stuff seems to be really ne
It depends a bit on what your program is used for and how long it is
supposed to remain in use. If you intend to use it for a long time (> 10
years) or might later need to read prefs with a program written in
another language, consider using XML.
You need two procedures for each struct, struct->st
Hi,
I've got a problem with a GUI app in which a text-field% is on top of a
frame% and a list-box% below it.
1.) When the text-field has the keyboard focus, it receives characters
of menu shortcuts, e.g. if I press ctl-n for new document, the menu
callback is executed correctly but the text-fiel
Two more questions related to keyboard focus:
1.) Is it possible to change the default "gadget order" in a frame%?
Right now, the first created gets the first focus. I have a text-field
and a popup menu above a list-box, but would like to have the list-box
get the default keyboard focus (i.e. when
> If I remember correctly, you're usually on a Mac? The `show' method on
> frame% should move the focus, too.
I'm using Ubuntu as a primary development platform by now but intend to
deplay the app for all platforms.
> Below is the program I tired, where clicking "Switch" switches the
> front fra
Recently I started to wonder why Racket has futures and now also places
but so far lacks traditional OS-level threads and parallel-map,
parallel-for-each, parallel-sort, parallel-filter, for/parallel and the
likes for sequences.
It seems to me that such sequence functions could even choose their
o
Hi,
I need to check whether a given string already occurs in a list of
several million strings, where occasional false positives are
acceptable.
Before reinventing the wheel, has anybody already implemented a
space-efficient Bloom filter in racket and would like to share it?
Or, what else would
ammingpraxis.com/2009/04/21/probabilistic-spell-checking/.
>
> On Mon, Jun 6, 2011 at 9:48 AM, Erich Rast wrote:
> Hi,
>
> I need to check whether a given string already occurs in a
> list of
> several million strings,
Perhaps I don't really understand the question. R6RS is a standard, so
insofar as an implementation is standards-compliant the source
distribution should not need to be modified for different
implementations.
In praxis, however, there might be problems due to lack of complete
standards compliance.
Hi!
This is something I've been wondering for a while already but never had
time to ask.
When an editor-canvas% is set to transparent in its style list, and I
type in it, then the whole editor gets black and nothing can be seen.
Shouldn't it be gray, as the window background so it looks as if yo
d frame show #t)
On Tue, 07 Nov 2017 17:44:07 +
Stephen De Gabrielle wrote:
> If you pop you code on pasterack or a gist I’ll test on OS X and
> windows
>
> S.
>
> On Tue, 7 Nov 2017 at 15:49, Erich Rast wrote:
>
> > Hi!
> >
> > This is something I&#
Here is how it looks on my machine:
https://vimeo.com/241738557
On Tue, 7 Nov 2017 17:57:27 +
Erich Rast wrote:
> I thought this was a known bug that just never gets fixed. This has
> given a black canvas when you click into the editor on my machine for
> ages:
>
> #
Hi all,
Is there a way to associate custom payload data to individual
characters and image snips in a text% instance? Maybe some package or
framework class that already exists?
I'd like to add custom data that is independent of styles but behaves
like them. Basically, I need to keep track of arbi
te:
> The arrows, docs information, etc that Check Syntax draws use a
> data/interval-map to manage that kind of information on the side.
>
> https://docs.racket-lang.org/data/interval-map.html
>
> hth,
> Robby
>
> On Fri, Jan 5, 2018 at 8:58 AM, Erich Rast wrote:
>
Hi!
Is there a reliable way to find out whether a racket program is
currently running in the debugger?
I've got a deployment function that fails with a cryptic error message
when the language is set to debugging in DrRacket and would like to
print a warning in that case. Deployment ought be with
I'm implementing a global blackboard for posting events and subscribing
to them and I'm wondering about the best method to prevent cycles.
Since this is e.g. for 'model-change and 'view-change events, I cannot
generally guarantee that clients (subscribers or notifiers) have a
"direct program flow"
On Wed, 8 Aug 2018 19:36:10 -0400
David Vanderson wrote:
> > Is there a better solution to this problem? How do mature
> > notifier/subscriber frameworks deal with these kind of problems?
> >
> The most straightforward solution I've seen puts the responsibility
> on the view. When the view get
scrbl
And "info.rkt" looks like this:
#lang info
(define version "0.1")
(define pkg-desc "a framework for cross-platform end-user applications
and their deployment")
(define collection 'multi)
(define distribution-preference 'source)
(define pkg-authors &#
Thanks a lot Philip and Ryan! Splitting up the info.rkt file worked
fine.
The reason why I want this to be a multi-collection package is that the
framework without anything gui-related is fairly small and should be
required by default as (require appy). The GUI-related extensions on
the other hand
On Wed, 29 Aug 2018 06:46:49 -0500
Philip McGrath wrote:
> You don't need a multi-collection package to do this. If your
> structure is:
>
> appy/
> |
> |--info.rkt
> |--main.rkt
> |--gui.rkt
> |--…
>
> Then `(require appy)` will import "main.rkt" and `(require appy/gui)`
> will import "gui.rk
Hi! I'm new to scribble and try to fix keywords that are underlined in
red. My package is called appy and appy/gui. These export all classes
and other bindings of the package.
In the scribble document I tried both:
@(require (for-label racket)
(for-label "../gui.rkt"))
and
@(require
Nevermind, I've got it working.
I used the wrong for-label require after defmodule - with a relative
path instead of an absolute path, as the manual says. It works fine now.
Best,
Erich
On Tue, 4 Sep 2018 14:28:20 +0100
Erich Rast wrote:
> Hi! I'm new to scribble and try to fix
I have a long package documentation and get lots of warnings - see
below. Other than that, the docs work fine, should/can I ignore them?
What do they mean anyway?
Best,
Erich
WARNING: collected information for key multiple times: '(exporting-libraries
#f); values: '(appy/gui) '(appy)
WARNING:
Hi!
I have a problem with the interplay between the racket GUI main thread
and other threads. My application connects to a socket and creates a
GUI. Some of the GUI events are sent over the socket, and everything is
highly asynchronous -- there are multiple threads and channels between
them for so
ents
> while waiting.
>
> Matthew
>
> At Wed, 31 Aug 2016 18:10:17 +0100, Erich Rast wrote:
>
> > Basically, I need to wait until the connection thread ends, before
> > the application should quit, but at the same time the waiting may
> > not block any processing o
This question is also about style. Take an admittedly ugly
counter like this
;; increasing counter for handles
(define handle-counter 1)
(define (new-handle)
(begin0
handle-counter
(set! handle-counter (add1 handle-counter
Various threads may call (new-handle) concurrently, so I ne
?
> ;---
>
> Gustavo
>
>
>
> On Thu, Sep 1, 2016 at 6:44 AM, Erich Rast wrote:
> > This question is also about style. Take an admittedly ugly
> > counter like this
> >
> > ;; increasing counter for handles
> > (define handle-counter 1)
&g
I'm trying to get a list-box% subclass to work with min-widths and
percentage values, but I'm unable to figure out the correct total width
to calculate the actual widths.
Inside the listbox, I store the percentages in percentages and the
minimum-widths in minimum-widths:
(define/override (on-size
You are right. I've checked it and it was a simple case of arguments
switched - 120 pixel min-width was inadvertently switched for 20%.
It works fine now, and on-size seems to be the right place for
calculation, too.
Thanks!
Best,
Erich
On Thu, 8 Sep 2016 17:56:38 -0700 (PDT)
Alex Harsanyi w
I have a subclass of list-box% which overrides on-size and calculates
relative column sizes based on get-client-size and some values provided
by an init variable.
However, if I don't check for "this" being an object, I get:
send: target is not an object
target: #f
method name: get-client-size
Hi!
I have a bug that in the Linux version of a mid-sized program (closed
source) that causes the program to immediately crash and also causes
DrRacket to immediately crash once the command key is pressed in some
editor in a tab panel of an open frame. No console output, hard crashes
to desktop. T
Hi all,
I'm programming in Racket for many years and still haven't used macros
or delved into how they work. Kind of embarrassing... anyway, it should
be clear what I want to achieve in the code below. I like to wrap a
module around framework/preferences, abstracting from the preference
implementa
Thanks for your your help. Unfortunately, I haven't managed to get my
head around the phases and the question of when symbols are quoted or
evaluated. I tried Matthew Buttericks change but it yields an error:
"format-id: undefined;
cannot reference an identifier before its definition
phase: 1"
Nevermind, I got it working (or at least it seems to work):
(define-syntax-rule (defpref ident default test?)
(begin
(define ident
(case-lambda
[() (pref 'ident)]
[(value) (pref 'ident value)]))
(pref 'ident default test?)))
Best,
Erich
--
You received this mess
Hi,
I have an editor-canvas% subclass and want to set the default style,
but adding it with name "Standard" to the-style-list doesn't work. Do
I have to replace the style list of the canvas with a new one? Or does
the default style of an editor-canvas% have to be called differently?
"Basic"?
With
Hi,
I was wondering what's the best way to ensure that threads end
when a gui application is shut down, which synchronization mechanism I
should use and which kind of program terminations would be handled
gracefully by this.
I'm planning on delaying certain sqlite transactions in threads,
since
ue, 31 Jan 2017 13:23:03 +, Erich Rast wrote:
> > Hi,
> >
> > I was wondering what's the best way to ensure that threads end
> > when a gui application is shut down, which synchronization
> > mechanism I should use and which kind of program terminations would
>
Hi!
Is there a correct/"best practice" cross-platform way to determine
whether a given pathname obtained from on-drop-file of an
editor-canvas% leads to a valid image file that can be displayed by an
image-snip% in a text%? Is there an official function that checks an
image file? (It may load the
Hi all!
I'm thinking about implementing a dynamic plugin system for a large
application. Each plugin should have the full racket/gui language and a
number of pre-defined imports from modules of the main application
available. Plugins should reside in a relative directory and loadable
on demand at
Thanks for the advice. So I should use dynamic-require, but how? When I
tried to use it like "require" it didn't have the desired effect -
nothing was imported. I have to admit I'm struggling a bit with all the
different ways of load/eval/require/enter code that I've found in
the docs so far.
Here
at 2:36 PM, Matthias Felleisen
> wrote:
>
> >
> > Erich, your needs sound very much like those of DrRacket’s.
> > You may wish to study how DrRacket loads tools (as in take
> > a look at the source) — Matthias
> >
> >
> >
> >
> >
> > &
Out of general curiosity I'm still trying to figure out how a dynamic
plugin system would work. So now I'd like to namespace-attach-module
for all modules that the current module imports (and their submodules),
and then namespace-require them.
The problem is that I don't know how to attach modules
o get a reference to the enclosing module, and use
> `module-path-index-join` on that value and "../core/internat.rkt"
> to get a reference to the "../core/internat.rkt" module.
>
> At Thu, 9 Feb 2017 12:25:35 +, Erich Rast wrote:
> > Out of general curiosity I&
I have an editor-canvas A subclasses inside a vertical-panel subclass B
and below A there is another vertical-panel subclass C in B. C is shown
or hidden by removing and adding it via change-children in B.
However, even though A has stretchable-height set to #t, it does not
resize to fill the who
Your example works and made me realize that I've
accidentally removed a list-box *inside* the panel rather than the
panel itself in my application. No wonder it didn't work!
Thank you so much!
Best,
Erich
On Thu, 23 Feb 2017 05:17:23 -0700
Matthew Flatt wrote:
> If so, is there a change that
While I'm working on GUI issues another question came up. Is
there a way to add right-click functionality to a list-box?
I'd like the selection to jump to the respective row on a right-click
(btw, right-clicking does change the selection when the list-box gets
focus but not afterwards), and *then*
Hi! I have a simple non-editable and non-resizable snip% class that in
its draw function distinguishes whether it's selected or not. It works
fine when I select it in a text% with the mouse.
Now I want to select it in the text% when the user left-clicks on it,
so I've overridden on-event and tried
On Thu, 2 Mar 2017 03:32:08 -0800 (PST)
Alex Harsanyi wrote:
> You need to tell the snip admin that the snip needs to be redrawn.
> In your select-this-snip method, add
>
> (send (get-admin) needs-update this 0 0 width height)
>
It still doesn't work. I'm using this:
(define/public (sele
I found an easy solution that does what I want it do to. It's only
suitable for non-editable snips, of course.
Instead of checking whether draw-caret is a pair in draw, I simply use
(not (equal? draw-caret 'no-caret))
That does the job. As for keyboard events, I think I'll handle them in
the sn
Dear all,
This is something I've been wondering for a long time and at the same
time it's a suggestion for implementation, since I'm not familiar
enough with higher Racket macrology.
Often when I define a class it contains instances of other classes. To
access them as a user of an instance of the
Hi,
For me personally, coordinates are probably the most unintuitive aspect
of Racket's GUI management. The problem comes up again and again, and I
never get it right, so maybe someone can clarify this once and for all.
I have a mouse-event% in on-event of a snip% and would like to display
a floa
Hi all,
I need a function to provide a rough textual preview (without
formatting except newlines) of the content of a web page.
So far I'm using this:
(require net/url
html-parsing
sxml)
(provide fetch fetch-string-content)
(define (fetch url)
(call/input-url url
On Tue, 30 May 2017 11:30:00 -0400
Neil Van Dyke wrote:
> Writing a procedure that does what you want should be pretty easy,
> and then you can fine-tune it to your particular application. Recall
> that SXML is mostly old-school Lisp lists. The procedure is mostly
> just a straightforward recurs
pict:show-pict img
Best,
Erich
On Wed, 31 May 2017 01:34:26 -0400
Neil Van Dyke wrote:
> Erich Rast wrote on 05/30/2017 04:37 PM:
> > I've found out that it's far less trivial than expected, but not
> > because of sxml or the tree walking itself. Often call/input-url
Hi!
Question: Is there some method to automatically merge all snips that
can be merged?
I haven't found it in the docs. If there is none, I'll do it with
merge-with in snip% or in my xexpr directly that I'm using on top of
text% as an exchange format. I was just wondering if I'm missing
something
I have to integrate the undo/redo functionality of text% into a custom
undo/redo system, because in my application nearly everything is
undoable.
Basically I need a reliable way to intercept and track the text%'s undo
additions, so I can add an undoer to my undo system whenever text% adds
an inter
I'm using mostly racket-mode in emacs for development and even with helm
and projectile mode greping info from the source directory is
cumbersome. So I was thinking about putting my entire project into one
source file with lots of explicit (module ...) declarations. This
doesn't break modularity, I
This is difficult, since text% and everything on top of it is
unfortunately rather slow and complex. My best advice is to limit
or structure the amount of information displayed by the program, since
the end user (including you) is likely even slower in parsing the
information than racket is display
According to profiling, the following sxml-handling function
(consolidate sxp) is a major bottleneck in my application. It
reduces all subsequent sxml text elements with the same attributes to
one and is part of exporting from text% to xml.
I'm not used to optimizing Racket code. Does somebody ha
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