David Nolen writes:
Hi David,
> As Mark said you can avoid the graph issue with tabling. core.logic
> has tabling. If you look at the tabling section here -
> https://github.com/clojure/core.logic, you should see something
> related to your problem.
Thanks, I'll have a look.
> If you do then y
On Sat, Nov 26, 2011 at 10:30 PM, Clojure NewB wrote:
> When I launch Clojure, the following is displayed
...
> Would someone explain what happened?
> I've followed the directions here http://clojure.org/getting_started
See my other reply: don't worry about the bare Clojure library or
trying to r
On Sat, Nov 26, 2011 at 10:15 PM, Clojure NewB wrote:
> I've just installed Clojure 1.3 on a MBP, OSX 10.6.8.
...
> How do I run Clojure?
The best way to get Clojure up and running is to use Leiningen so you
don't have to deal with classpaths etc.
http://charlie.griefer.com/blog/2011/08/03/cloj
When I launch Clojure, the following is displayed
java -cp clojure.jar clojure.main
Exception in thread "main" java.lang.NoClassDefFoundError: clojure/main
Caused by: java.lang.ClassNotFoundException: clojure.main
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessCo
Hi,
I've just installed Clojure 1.3 on a MBP, OSX 10.6.8.
After unzipping the download, I'm left with a directory with a few .jar
files and two subdirectories.
(I'm also a Java newb too)
How do I run Clojure?
Thanks
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Hi,
I've a head holding problem that I believe is a bug in clojure 1.3. I
wrote the following function to split a a lazy seq of strings across
files of x size:
(defn split-file
([path strs size]
(trampoline split-file path (seq strs) size 0))
([path strs size part]
(with-open [f (c
Instead of typing "java -cp clojure.jar clojure.main" on Cygwin/
console to run some Clojure Script, Is it possible to make a GUI which
should show us REPL as "myREPL=>". There we should be able to write
commands and execute.
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I'd expect the same, but in the code (https://github.com/clojure/
clojure/blob/master/src/jvm/clojure/lang/RT.java)
get and getFrom do not raise any error.
On Nov 24, 6:30 pm, Sean Corfield wrote:
>
> (:a 1 2) yields 2 which surprises me a bit... I'd expect an error
> because 1 is not a collecti
No that doesn't make any sense, but I (think I) know what is going on
there.
(:a 1 2) === (get 1 :a 2)
Jong-won
On Nov 25, 1:35 pm, jaime wrote:
> But we still don't know why it behaves like this and for what
> reason. does (:a 1 2) returns 2 make any sense??
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Thank you very much, Tassilo!
Are Graph and Vertex classes from the public API?
On 24 ноя, 12:02, Tassilo Horn wrote:
> ru writes:
> > Can anybody point out good (idiomatic) examples of using protocols for
> > extending functionality of existing classes?
>
> Here's one that I have in my code:
>
By examining to-stream
https://github.com/clojure/core.logic/blob/master/src/main/clojure/clojure/core/logic.clj#L1413and
extend-rel
https://github.com/clojure/core.logic/blob/master/src/main/clojure/clojure/core/logic.clj#L1527you
should be able to see how to turn any Clojure sequence into a strea
Thank you very much, Tassilo!
Are Graph and Vertex classes from the public API?
On 24 ноя, 13:02, Tassilo Horn wrote:
> ru writes:
> > Can anybody point out good (idiomatic) examples of using protocols for
> > extending functionality of existing classes?
>
> Here's one that I have in my code:
>
As Mark said you can avoid the graph issue with tabling. core.logic has
tabling. If you look at the tabling section here -
https://github.com/clojure/core.logic, you should see something related to
your problem.
While defrel/facts are neat - they are really intended for people who don't
already ha
Hi,
I have the following code that I'm trying to use to split a sequence
of strings into files of approx. x-size
(defn split-file
([path strs split-size]
(loop [ss (seq strs), part 0]
(when-let [more (split-file path ss split-size part)]
(recur more (inc part)
([path
'prop-lookup'++.
First thing that really tricked me up with ClojureScript is
(goog.net.XhrIo/send uri #(.getResponseJson (.target %)))
blowing up in my face as it isn't using getResponseJson() but rather
returning the function. Ended up using (.getResponseJson (...) nil) to work
around it.
-
On Thursday, November 17, 2011 5:09:49 PM UTC+1, tbc++ wrote:
>
> > I also felt that sticking with the official Java implementation of
> Clojure would be more practical. It would certainly be fun to put Clojure
> on PyPy, though.
>
> There is one insanely off-the-wall idea I've been thinking abo
Hello
I've just released the first RC1 of my first Clojure toy project[1].
This is basically old style put tags in HTML and process such tags in
your code. I copied the idea from html-template[2].
Because this is my first Clojure coding effort, there might be
mistakes. Any comment and suggestion
On Nov 24, 2011, at 12:32 AM, Sean Corfield wrote:
> @lloyda2 posted on Twitter: (reduce 'and '(false true)) => true ...Huh?
>
> I must admit, it looked odd to me... but I realized (after some REPL
> experimentation) this seems to be equivalent to ('some-symbol
> :some-key :some-default)
I saw
I am learning Clojure and I use the CLR version. But I can not find a
book about Clojure CLR, just for Clojure and java.
I want someone give me suggestions about the book or issues of
Clojure CLR.
Thanks a lot.
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Thank you very much, it works!
The correct script is:
Yeah, laziness on my part, I was just trying to show that everything
after '&' comes in as a list, and you can be creative if you need to
be. I use this on occasion for macros with multiple different types
of optional arguments.
On Sun, Nov 27, 2011 at 6:45 PM, Alan Malloy wrote:
> On Nov 27, 8:
On Nov 27, 8:43 am, Mark Rathwell wrote:
> Also, another way to take keyword arguments is:
>
> (defn foo [& opts]
> (let [opts (apply hash-map opts)]
> (println opts)))
This is what already happens internally with the & {:keys ...}
notation. You can actually be rather more concise if you wr
For a project I'm working on, I wanted some variants of merge-with and
deep-merge-with that would also provide information about the keys
where collisions were occurring. I have (based on minimal testing) a
working implementation, but it feels like there should be a simpler
way to do this - I ended
On Sun, Nov 27, 2011 at 10:47 AM, David Powell wrote:
> Is there any way in Leiningen to add a dependency on the JDK's tools.jar?
> Apparently it is possible with maven [1]
> I was thinking of porting my liverepl[2] utility over to leiningen to make
> it a bit easier to install, and easier to run
Is there any way in Leiningen to add a dependency on the JDK's tools.jar?
Apparently it is possible with maven [1]
I was thinking of porting my liverepl[2] utility over to leiningen to make
it a bit easier to install, and easier to run without scripts, it uses the
JDK's Attach API from tools.jar
You can use the :pre and :post assertions on functions. Something
like the following would do what you are asking:
(defn myfun
[& {:keys [arg1 arg2 arg3] :or {arg1 "default-value"} :as args}]
{:pre [(every? #{:arg1 :arg2 :arg3} (keys args))]}
(println arg1 arg2 arg3 "args:" args))
Also,
I just sent you a pull request to fix the Clojure 1.3 incompatibility.
Also, you may want to use the current-version and update-version
functions in drift-db.migrate instead of your own home grown
functions. Though you would have to create your own initialize
function to initialize the drift-db fl
Bingo! Thanks for that, version 1.3.0 incompatibility it is.
On 27/11/2011 13:41, Chris Perkins wrote:
> My guess would be a clojure version mismatch, based on the
> stacktrace. Have you tried changing your project to use clojure
> 1.2.1?
>
> - Chris
>
> -- You received this message because you
My guess would be a clojure version mismatch, based on the stacktrace.
Have you tried changing your project to use clojure 1.2.1?
- Chris
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Sadly, there is no improvement. I've made a minimal project to
demonstrate. Literally
- lein new tdrift
- modify project.clj
- add migration-config.clj
- add appropriate migration directory
- lein deps
- lein create-migration
I've put it up on github (https://github.com/ejackson/tdrift).
Perhap
Hi,
This may be a question without hope, but I'm thinking that asking
never hurts. So here goes:
The closest thing to keyword arguments that I have found is
destructuring with a map:
(defn myfun [& {:keys [arg1 arg2 arg3]
:or {arg1 "default-value"} :as args}]
...)
When I
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