uff indeed... :)
Jim
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ny type
hints, I don't understand why I get an integer overflow...
any ideas?
Jim
ps: this is not 'important', I'm just messing about...
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On 25/03/13 15:22, Ben Wolfson wrote:
The 94th fibonacci number is greater than Long/MAX_VALUE, so it
overflows. It is using longs.
I seeshouldn't Clojure auto-promote it to a BigInt then?
Jim
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Cool, thanks guys :)
Jim
On 25/03/13 15:34, David Powell wrote:
On Mon, Mar 25, 2013 at 3:24 PM, Jim foo.bar <mailto:jimpil1...@gmail.com>> wrote:
On 25/03/13 15:22, Ben Wolfson wrote:
The 94th fibonacci number is greater than Long/MAX_VALUE, so it
overflo
On 26/03/13 19:28, Ryan wrote:
apply the elements of my vector as arguments to the function
you said it yourself in your first post... :) 'apply' is what you're
looking for!
Jim
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:last :address.state]
or in your case exactly:
[:id]
[[:id :identity]] ;;with aliasing
is this how your 'fields-vector' looks like?
Jim
ps: I've not looked at the source of 'fields', I may be wrong...
On 26/03/13 20:12, Ryan wrote:
Thank you guys for your answer. ap
aaa see? always check the docs first and the sources second (if
available)...I should have done that as well :)
Jim
On 26/03/13 20:28, Ryan wrote:
Ah damn, you are right! Sorry if I wasted anyone's time :)
At least I learned that apply was the way to go in my original post
On Tu
luable (at least for me)...
Jim
ps: by no means I meant "read the source before posting here"...my
comment was closer to "read the sources - it's good for you - you'll
learn stuff and potentially save time & effort" :)
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h is the one I mostly use but I can imagine it
shouldn't be too hard to do the same on the threading macros, cond etc.
Also if I face any problems there is always your code to guide me...
Jim
On 28/03/13 05:42, Alex Baranosky wrote:
print-foo is a small library useful when debugging code
On 28/03/13 18:39, Alex Baranosky wrote:
Jim,
I'm interested in that idea definitely, but perhaps we should just
create another open source project for time.foo?
Ok cool, I'll do that over the weekend and poke you sometime next week
to have a look...also, have you deliberatel
clojure.set/difference
'membero' combined with its negated form?
Jim
On 28/03/13 18:47, JvJ wrote:
In core.logic, how do the following: "Give me everything that is a
member of list A and not a member of list B"?
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Clojurescript is Clojure...you may be able to skip some JVM
idiosyncrasies but it's the same language - no way around that!
Jim
On 30/03/13 14:09, Nico wrote:
Thank you very much sw1nn and John, both worked great. This goes to
show how much of a newb I am.
Sorry if this is the wrong
All you're doing is re-let(ing) the same name using the value with which
it'd been previously 'let'. It has nothing to do with mutability...if
you used a different name you'd see that nothing would happen to the
'first' mega value. Yes I'd say this is ba
code in Clojure if you start re-def(ing)
and using dynamic vars heavily...
Jim
On 02/04/13 20:19, Jim - FooBar(); wrote:
All you're doing is re-let(ing) the same name using the value with
which it'd been previously 'let'. It has nothing to do with
mutability...if you
I'm sorry, I've not followed this discussion - what is wrong with
user=>(apply str (interpose \, (list 1 2 3 4 5)))
"1,2,3,4,5"
the problem is strings where you want to preserve each string...you can
special case that and avoid the (apply str...) bit..
user=> (int
t doesn't quite
work...has anyone done this already? It comes down to 'seq' returning a [k,v]
vector when called on a map so the second nesting level will break because it
will find a keyword or something similar. any ideas?
Jim
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Thanks John,
I came up with this, which uses destructuring quite heavily and might
slow things down...
(reduce (fn [s [t1 t2 w3 v]] (assoc-in s [t1 t2 w3] (/ (count v) all))) {}
(for [[k1 v1] ems [k2 v2] v1 [k3 v3] v2] [k1 k2 k3 v3]))
is this what you meant?
Jim
On 03/04/13 19:54, John D
mapv persistent! both)))
Jim
On 04/04/13 13:16, Christian Romney wrote:
Hi all,
I was wondering if something in core (or new contrib) like this exists
already...
(defn segregate
"Takes a predicate, p, and a collection, coll, and separates the items
in coll
into matching and non-ma
want go parallel...
you asked where to find this funciton... a couple of places actually :)
http://clojuredocs.org/clojure_contrib/clojure.contrib.seq-utils/separate
http://richhickey.github.com/clojure-contrib/seq-utils-api.html
HTH,
Jim
On 04/04/13 19:12, Christian Romney wrote:
On
[ghostandthemachine/seesaw"1.4.3-SNAPSHOT":exclusions[org.clojure/clojure]]
Jim
ps: maybe the actual coordinate for clojure is wrong but I can
On 05/04/13 00:32, Mark Engelberg wrote:
Right now, I'm experimenting with seesaw. In Clojars, it appears the
latest version is
if I understood correctly you're looking for 'fnil' :
=>(update-in {} [:foo :bar] (fnil conj []) :a :b :c)
{:foo {:bar [:a :b :c]}}
Jim
On 05/04/13 12:25, Simon Katz wrote:
Hi.
Is there an idiomatic way to have update-in create a vector when the
supplied keys do not
aaa Laurent beat me to it! :)
it seems we both understood the same thing so fnil is indeed your friend...
Jim
On 05/04/13 12:29, Jim foo.bar wrote:
if I understood correctly you're looking for 'fnil' :
=>(update-in {} [:foo :bar] (fnil conj []) :a :b :c)
{:foo {:bar [:a
Hey Mark, don't get paranoid :)... this is all Cedric did!
user=> (def .3 0.4)
#'user/.3
user=> (+ .3 1.7)
2.1
Jim
On 09/04/13 10:46, Mark Engelberg wrote:
What version are you running?
As far as I know, .3 isn't even a valid representation for a number --
you'
defined? It doesn't make sense to me at
all...
Jim
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uimafit.component.JCasAnnotator_ImplBase$0")
**
** (catch ClassNotFoundException cnf "NOT FOUND!"))**
**
**
=>hotel_nlp.externals.uima.proxy$org.uimafit.component.JCasAnnotator_ImplBase$0*
What on earthis happening? How am I able to get the class Object back
but the ClassLoader
I found this on SO which seems to be related but the answer proposes
deftype which is not an option for me as I need to extend a particular
class with proxy... I'm completely stuck...
Jim
On 11/04/13 14:10, Jim - FooBar(); wrote:
Hi all,
I'm writing a tiny wrapper around apach
ng uima's classloader to
use clojure's dynamic classloader and even if I could who knows what
kind of problems that would bring...
Jim
On 11/04/13 16:36, Jim - FooBar(); wrote:
I found this on SO which seems to be related but the answer proposes
deftype which is not an option for
since classes generated by proxy reside on memory how would the standard
java.net.URLClassolader find them? is there a way to emit the class on disk?
Jim
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Nice talk :)
http://skillsmatter.com/podcast/scala/clojure-at-nokia-entertainment/wd-23
Jim
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Providing
the types does nothing - it seems proxy only cares about arity
void bar(InterfaceX ix); //*not *supposed to be overriden
abstract void bar(InterfaceY iy); //but this is indeed supposed to be
overriden
Should I just give up?
Jim
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'proxy' (If i could use it!)...
Jim
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fi
On 15/04/13 21:37, Meikel Brandmeyer (kotarak) wrote:
(proxy [YourClass BarInterface] []
(bar [x-or-y]
(if (instance? InterfaceY x-or-y)
(override x-or-y)
(proxy-super x-or-y
I'm sorry I forgot...what is 'override' above? what fn is this? I cannot
find
aaa ok sorry... proxy-super is a no-no in this case...I think at this
point my best bet is to write a macro that will expand into a gen-class
skeleton form...there is no other way I'm afraid...the proxy approach
would be so elegant if it worked!
Jim
On 15/04/13 22:17, Meikel Brand
It sounds to me that you forgot to run 'lein clean' at work, leaving
certain classfiles present in 'target'. This would explain why you got
your uberjar at work but not at home (presumably .class files are being
ignored by git)
Jim
On 16/04/13 13:59, larry google groups
+1 ! I use 'fold-into-vec' regularly.... :)
Jim
On 26/04/13 18:07, Alan Busby wrote:
Some additional pointers here (this is a little old though);
http://www.thebusby.com/2012/07/tips-tricks-with-clojure-reducers.html
On Fri, Apr 26, 2013 at 11:51 PM, László Török <mailto:ltoro
tream from the classloader
+ the Class object...
any ideas?
thanks,
Jim
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tried both... nothing worked... :(
Jim
On 26/04/13 20:16, Jonathan Fischer Friberg wrote:
Did you put "/" at the beginning of the string to resource? Because
you shouldn't.
You should call it like this: (resource "foo.xml").
Jonathan
On Fri, Apr 26, 2013
S7 that aims to reduce the incidental complexity in
real-world applications. It provides support for Ring handlers,
asynchronous messaging, caching, scheduled jobs, XA transactions,
clustering, and highly-available "daemon" services.
Thanks,
Jim
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I 've found that whenever I get a var-unbound exception it is almost
always my fault and my fault only...why would you do (def a) anyway?
Jim
On 29/04/13 16:32, AtKaaZ wrote:
How do you guys handle the cases when the var is unbound? I mean
specifically in the cases where you just test i
funny you should mention that!!! that is exactly what I meant by 'my
fault'...I've come to realise that dynamic scope is almost evil, thus I
go to great lengths to avoid it completely...in the rare cases where I
do use it I always make sure it is bound to a init/default value :
because you specifically asked not to use any
reference types.
Jim
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something like this perhaps?
(loop [[c & more]] cards
res []
due 100]
(if-not c res
(recur more
(conj res (doto c (.setAppliedBalance (max 0 (- due )
(- due (.getBalance c )
Jim
ps: haven't got a clue what objects you're workin
oops there is a typo!
line 6 should be:
(conj res (doto c (.setAppliedBalance (max 0 (- due (.getBalance c))
On 03/05/13 15:22, Jim - FooBar(); wrote:
something like this perhaps?
(loop [[c & more]] cards
res []
due 100]
(if-not c res
(recur more
(conj
I Just realised you've many responses and that you've already solved
your problem...sorry for the noise people.
Jim
On 03/05/13 15:38, Jim - FooBar(); wrote:
oops there is a typo!
line 6 should be:
(conj res (doto c (.setAppliedBalance (max 0 (- due (.getBalance c))
On 03/0
l do the wrong thing' etc. claws into me though,
so it is with trepidation I set out on this gloriously liberating new
path :).
the mindset you're describing is a direct consequence of unrestrained
mutability ...nothing bad can happen to your *immutable* clojure data
:)... very liber
On 15/05/13 17:23, Phillip Lord wrote:
I cannot do
(set!*my-test* true)
(alter-var-root #'*my-test* (constantly true))
Jim
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On 15/05/13 17:28, Jim - FooBar(); wrote:
On 15/05/13 17:23, Phillip Lord wrote:
I cannot do
(set!*my-test* true)
(alter-var-root #'*my-test* (constantly true))
Jim
here explains what you're asking:
http://clojure.org/Vars
scroll down to until you see
(*set!*var-s
ogress-monitor-silent} tests))
...shorter, same behaviour and as a bonus you're not limited to vars
declared as dynamic. This should work with vanilla 'def' too :)
Jim
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wait like my little
app does?
Jim
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e")))
(run-example)
Output:
hello
(# # #
# #)
sending do-something to agents
something!
something!
something!
something!
something!
waiting
all done
[Here, the app hangs. Why it it hanging?]
Jim
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lojure-agent-thread-pools/
>
> IMHO, using agents should not prevent your JVM from exiting or require
> the use of (shutdown-agents).
Jim
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To po
y's
(Moritz Ulrich) branch is being actively maintained and he's been
helpful getting it working for me.
Jim
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Thanks, very helpful. I hadn't heard of clutch before your
announcement, so I appreciate the introduction. The clojure view
server sounds especially interesting!
Jim
On Tue, Jun 15, 2010 at 12:51 PM, Chas Emerick wrote:
> Last I looked (and it appears to be the same way after a quic
another port. Then make the same requests
with the browser and library to the new port and compare netcat's
output. Perhaps they are escaping the paths differently. Cheers,
Jim
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To post
he semantics of forking.
So for example clojure.http.ring.weavejester.
Jim
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currently open parens' as well, as in
(defun foo (x) (progn (foo) (bar]
but as more lisps (R6RS, clojure, several older schemes) provide [ ] as
a separate syntactic form or as an equivalent to ( ), this is not really
an option any more.
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efn find-names-model [text]
(map #(drug-find (tokenize %))
(get-sentences text)))
It is very strange because i am getting back "Folic" but not "Folic
acid" regardless of using the exact same model i used with the command
line tool...
Any help will be greatly appre
be great to see another
distributed option for "pluggable memoization".
Jim
[1] https://github.com/clojure/core.cache
[2]
https://github.com/immutant/immutant/blob/master/modules/cache/src/main/clojure/immutant/cache.clj
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Hi Dave,
This is awesome! :)
DHM writes:
[...]
> Thanks to Jim Crossly for the suggestion to look into CacheProtocol.
> Also, Jim, I hope you don't mind that I borrowed your naming scheme
> for the put functions. :-)
Not at all. I love that within a coupla weeks we
On 06/03/12 17:09, John Gabriele wrote:
While writing Clojure code, what Java classes, objects, and static
methods do you most often find yourself using?
I use java.lang.Math quite a lot...
Jim
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There is a clojure repl for android...it will make your life
easier...the only problem is you cannot include external libs in your
project...
Jim
On 08/03/12 01:43, Rostislav Svoboda wrote:
Hi. I'm trying to run:
java -cp clojure-${VERSION}.jar clojure.main
on an Android phone
Howdy all,
Just in time for my Clojure/West talk, we're happy to have published
our first official release of Immutant, the Clojure app server built
on JBoss AS7.
Read all about it here: http://bit.ly/immutant010
Thanks,
Jim
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amazing stuff guys!!!
Jim
On 14/03/12 19:00, David Nolen wrote:
Thanks to Edmund Jackson we have a new primer for core.logic:
https://github.com/clojure/core.logic/wiki/A-Core.logic-Primer
Feedback appreciated!
David
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ly. I know
David Nolen has solved it (says so on core.logic github page) but i'd
expect his solution to be very elaborate/optimized rather than simple
(he's a logic-guru whereas i'm a logic-newbie)...I only need this for
studying so the simpler the better!
Thanks in advance...
Ji
aaa ok i see...so i'm supposed to pivot around house and NOT around
person as i was trying to...thanks for the link - very much appreciated!
Jim
On 23/03/12 17:43, Daniel Gagnon wrote:
p.s: If someone thinks that the zebra puzzle is too complicated as
a first example please
tadata argument to the symbol passed to gen-class :extends
or :implements
- when that metadata is present, override getGenericSuperclass in the
generated class to return the ParameterizedType
Is this reasonable? Are there other areas that need to expose generic
parameters?
Jim
http://docs.oracle.co
-class :extends ^{:parameters [SomeItemType]}
java.util.AbstractCollect))
Note that neither the types nor constraints are checked when writing
the signature.
https://github.com/jblomo/clojure/commit/15ff4f96840788253c5af66a2265387d880bad80
Jim
On Wed, Mar 28, 2012 at 10:27 PM, Jim Blomo wrote:
I don't think any of the concurrency primitives made it to clojureScript...
On 02/04/12 14:54, Moritz Ulrich wrote:
See [1]: "Agents are currently not implemented"
They wouldn't be very useful, as javascript is single threaded in most
implementations.
[1]: https://github.com/clojure/clojuresc
except for atoms of course...
On 02/04/12 14:55, Jim - FooBar(); wrote:
I don't think any of the concurrency primitives made it to
clojureScript...
On 02/04/12 14:54, Moritz Ulrich wrote:
See [1]: "Agents are currently not implemented"
They wouldn't be very useful, as
Is it possible to explain briefly what this genetic algorithm tries to
accomplish? I mean what problem is it producing solution for? It never
seems to end regardless of number-of-domiciles!
I think i got a glimpse of a "ThursdayGNEXT" string but i'm not sure
what it means...
J
aa ok i see, that makes perfect sense... thanks a lot!
Jim
On 02/04/12 19:06, Goldritter wrote:
First there is an error in my code :(
These are the allowed symbols from which the creator function can
choose to create or mutate a gen:
def allowed-symbols (str "abcdefghijklmnopqrstuvwx
Shouldn't the line (inside start-evolution) :
*(map #(send % a-day-in-the-life-agent-fn) domiciles)
*
be:
*(pmap #(send % a-day-in-the-life-agent-fn) domiciles)* ???
why does it need to happen serially?
Jim
On 02/04/12 19:06, Goldritter wrote:
First there is an error in my code :(
and i get the solution in time (roughly 40sec)!!!
Jim
On 02/04/12 19:06, Goldritter wrote:
First there is an error in my code :(
These are the allowed symbols from which the creator function can
choose to create or mutate a gen:
def allowed-symbols (str "abcdefghijklmnopqrstuvwx
hronous and so pmap should only add overhead...It seems however
that pmap does the ccorrect job here...
Jim
p.s: Marcus run it for ourself using pmap and 2 domiciles and compare it
with previous runs...
I 've not changed the code at all apart from adding the missing space...
On 02/04
of
memory...presumably it's the same for you.
Jim
On 03/04/12 17:16, Marcus Lindner wrote:
Maybe the reason is the STM.
If I rmember it correctly, then agents and refs are controlled by
Clojures STM mechanic. Eventuelly the us of map increase the work for
the STM and so it needs more time to s
.
Weird stuff ...
Jim
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To unsubscribe fr
; . In all fairness,
this is what you're explaining in #1, it's just easy to imagine someone
being confused into thinking that this is the preferred way of designing
GAs while in fact you disapprove of this yourself (for real-world
scenarios)...
Anyway, thanks for taking the time to enligh
the .equals()
method for java Objects. That is why the above works "correctly" while
the if test condition "fails". Also when you call compareTo I'd expect
the .equals() method to be invoked again...
Jim
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Hello everyone...
Can somebody please provide some insight as to why
(`+ 1 2) => 2 and
('+ 1 2) => 2 ???
Thanks in advance...
Jim
ps. I understand that symbols are functions that look themselves up in
sequences but here i'm not passing a seq - instead i'm passing 2 a
Aaaa ok, it makes sense now...
Thanks a lot!
Jim
On 09/04/12 13:00, Aaron Cohen wrote:
When symbols and keywords are in function position, (as you say) they
look themselves up "in" the second argument. The third argument
specifies a not-found value. Since "1" isn
+1 for meta-data...it fits the glove perfectly ;-)
On 12/04/12 18:52, Vinzent wrote:
First thing which comes to mind is to use metadata for this purpose.
Something like
(defn ^{:platform :jvm} to-string [x] ...)
This doesn't force the user to create a separate file for each
platform (althou
I am left speecheless...!
Jim
On 13/04/12 19:49, sean neilan wrote:
I wish there was a link to download it.
On Fri, Apr 13, 2012 at 1:34 PM, looselytyped <mailto:raju.gan...@gmail.com>> wrote:
This is an awesome implementation of Brett Victors "Inventing On
Pr
wow!!! i wasn't expecting that one...
Jim
On 13/04/12 21:17, Armando Blancas wrote:
It's the other way around: false is boxed into Boolean/FALSE. Here's
the if stmt:
public Object eval() {
Object t = testExpr.eval();
if(t != null && t != Boolean.FALSE)
return
. is this expected?
thanks!
Jim
On 14/04/12 14:20, Daniel Solano Gómez wrote:
Hello,
I am happy to let you know I have published a new Leiningen plug-in for
VimClojure support.
I know there are already a number of VimClojure plug-ins out there, some
of them called lein-nailgun and others called
ed a macro that tranforms infix arithmetic expressions to
prefix expressions i've got the right macro for you
Jim
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Note th
esult inside the macro, to simply transform the expression into
prefix form and let clojure calculate the result on that...it also would
be easier to write than this...
Jim
ps: the above macro does not handle parenthesis or operator
precedenceif you want to go the full way have a look at the i
(cos it is not understandable from
clojure's point of view)...
Jim
ps:also i'm pretty sure you don't need regex for something like
thisyou're just making your life difficult!
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Yes go with Java interop...sockets are pretty straight forward.
Jim
On 27/04/12 11:15, Baishampayan Ghose wrote:
I was looking for socket libraries in clojure. The requirement is to connect
via telnet to a mainframe based system and run commands on it.
Can't you use JVM interop dir
phone does not
like github!!!
sorry for the alert.
Jim
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thing inside quotes starts and ends with
opening/closing paren respectively...
Jim
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string you cannot do much
unless you get down and dirty...
Jim
ps: i've got some useful macros on my website including one that
transforms infix to prefix (lists)
check it out at www.cs.man.ac.uk/~piliourd/
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On 02/05/12 20:56, Stuart Sierra wrote:
Just want to say thanks to Phil and everyone else who has contributed
to Leiningen. It's been pleasing to see the evolution from a limited
script to a solid development tool.
-S
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o is replace all the parens at each level with
values calculated recursively using eval on the returned
expressionHowever i can't seem to go any further...I am literally
about to give up...I know this may not be necessarily the best approach
but i 've worked hard on this and i want to s
On 02/05/12 21:33, Aaron Cohen wrote:
(if-not (empty? (filter #(list? %)) '~expr))
This looks suspicious. filter is being called with 1st parameter anon
function, and no second parameter. How does that compile?
I apologise for the typo...it was originally (filter (fn [k] (list? k))
'~
sult value back to the list in order to get the effect of 'parenthesis
first'?
Jim
ps: btw thanks for your time :)
On 02/05/12 23:14, Sam Ritchie wrote:
Hey Jim, what do you think of something like this?
(defmacro infix->prefix [form]
(loop [[a op b & more :as form] for
de - have you had a look at clooj? It might be exactly what
you need...
Jim
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self for a wonderful
ride with less parens and truly immutable collections! :-)
Have fun...
Jim
ps: check the clojure wiki and also there are 2 new books out
there...the oreilly one is more than 600 pages!
On 07/05/12 05:37, HelmutKian wrote:
Hey there,
I'm a fairly experienced Common
ows")
(.exec enviroment (str "shutdown -s -t " minutes-after))
:else (throw (RuntimeException. "Unsupported operating system!"
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of the process using its :in
argument.
Now that sounds more sensible but it means that the consumer has to have
clojure...what if i was to aot-compile the function with gen-class to
pretend it is plain Java?
Jim
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So you mean something like :
(str
"#!/bin/bash echo " root-pwd " |" " sudo -S shutdown -h +" minutes-after)
?
Jim
On 07/05/12 16:20, Moritz Ulrich wrote:
I'm not familiar with .exec, so this is a guess:
What you try to do is piping some text to some oth
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