As far as I can tell, ClojureQL does not directly support Oracle. Has
anybody been able to get Clojure QL to work with Oracle? Are there
plans to directly support it? Would be great to use this with Clojure
inside the corporate ship.
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We've been using iBatis (http://ibatis.apache.org/) to compose sql
fragments and map to java objects. iBatis has since forked from Apache
to become mybatis (http://www.mybatis.org/). With iBatis, you can use
XML to attach an identifier to sql fragments. You can build up sql
expressions by referenc
I'm looking for a java/clojure developer for my small team at a Wall
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details.
Thanks,
Michael
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Tassilo and Alan,
Thanks for responding. We're new to clj and don't have a good feel of
when to you use macros over functions.
(defmacro with-dflt
"Runs body in a try/catch returning result of body
if no exception otherwise default"
[default & body]
`(try
(do ~@body)
(catch Ex
clojure.data.csv has options for the following:
(defn write-csv
"Writes data to writer in CSV-format.
Valid options are
:separator (Default \\,)
:quote (Default \\\")
:guote? (A predicate function which determines if a string should
be quoted. Defaults to quoting only when nec
Jonas,
Thanks for pushing this out so quickly. We're using it now and it
works fine.
On Feb 23, 12:32 am, Jonas wrote:
> * Quote only when necessary (this is the default)
This default is very handy.
Michael
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Would be convenient to have set-parameters public. I'm experimenting with a
couple of fns to insert into oracle and oracle's sequences for generated
keys are a headache. What's below is not fully tested but should give you
an idea of the sql I'm dealing with. Any pointers on how to leaverage
ja
Would it be possible to make resultset-seq a dynamic var so that you can
bind in custom result set mapping without having to make two passes through
the results? For instance, I would want to map sql date/timestamp to joda
DateTime and T/F to true/false directly.
>
>
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, 2012 11:04:11 PM UTC-4, Michael wrote:
>
> Would be convenient to have set-parameters public. I'm experimenting with
> a couple of fns to insert into oracle and oracle's sequences for generated
> keys are a headache. What's below is not fully tested but should give yo
Remix is mix and match machinery for web and sql.
Take what you need. Discard the rest. Remix is not a framework. It is
machinery that composes well with Ring, Compojure, and java.jdbc.
Site: http://remix-clojure.herokuapp.com/
Clojars: https://clojars.org/org.clojars.mw10013/remix
Github: http
Shantanu,
Thanks for taking a look and the feedback. I added a Learn More button and
navbar hiliting.
On Sunday, September 30, 2012 2:56:12 AM UTC-4, Shantanu Kumar wrote:
>
> This looks cool! Thanks for sharing.
>
> The only nit I'd like to mention (about the website) is it wasn't
> immediate
core.match is alpha and has the following documentation note:
"if your project depends on AOT do not use core.match at this time"
Can somebody outline what the aot issues are? It seems that deploying a web
app to heroku with lein2 will compile the app first. Was interested in
using core.match t
Can someone recommend a library that contains a function comparing doubles
for equality?
This clojure cookbook has a section on comparing floating-point numbers.
http://www.gettingclojure.com/cookbook:numbers
This blog post makes me want to find an implementation by someone who has
more experi
Can someone add me (michael.campbell) to:
The web and Clojure and
Java Dependency Injection Using Clojure
Many thanks.
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Note that posts from
On Nov 1, 12:14 pm, Ben Smith-Mannschott
wrote:
> 3. Define that min and max will ignore any NaN arguments.
What is:
(min NaN NaN)
in this situation; ()?
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I'm trying to use << from clojure.contrib.strint perform string
interpolation in a string variable. The following,
(ns strint-test (:use clojure.contrib.strint))
(def v 1)
(println (<< "v: ~{v}"))
(def s "v: ~{v}")
(println (<< (str s)))
(println (<< s))
results in
v: 1
v: ~{v}
java.lang.Runt
Ken/Alex,
Thanks for taking the time to look at this and providing explanations/
ideas. Now I realize I can use forms instead of strings. I was
looking for a way to specify a collection of strings and be able to
expand them out under different bindings.
(def v 0)
(def coll ['(str "v: " v) '(<<
I'm looking for a java/clojure developer for my small team at a Wall
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La Clojure's Clojure REPL does not seem to pick up system environment
vars, but run/debug configs do. I'm only able to connect to an Oracle
database using a run/debug config.
http://devnet.jetbrains.net/message/5282672;jsessionid=32A0AC2B9D7CE08AC50042C08250EE19#5282672
On Feb 28, 3:12 am, fin
Giving the factorial function as:
(def factorial
(fn [n] (cond (= n 1)
(> n 1) (* n (recur (dec n))
the compiler complains "Can only recur from tail position".
Isn't really the recur in tail position? It is the last expresson to
be evaluated.
--~--~-~--~---
ntioned in these threads:
http://groups.google.com/group/clojure/browse_thread/thread/986e8b246f296bd2/92df3cacd6111f71
http://groups.google.com/group/clojure/browse_thread/thread/979fe987ef046110/de59307741e39ba6
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Michael Wood <[EMAIL PROTECTED]>
--~--~-~--~~~---~--~--
nerate pseudorandom numbers at a great rate,
; it may reduce contention for each thread to have its
; own pseudorandom-number generator.
So can't you just create multiple instances of java.util.Random if you
need that sort of thing?
--
Michael Wood <[EMAIL PROTECTED]>
--~--~-~--~~
> with a delimited continuation, you're capturing it from the outside, so you
> don't have that problem.
>
Yeah I'm pretty sure its possible. I've been intrigued by this
continuations based web programming trend as well. Early on when I
learned of Clojure I made a very poor attempt to port cl-cont
of the ant
> simulation. It's really good presentation.
Is there an explanation that's a little smaller than 607MB?
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On Sun, Dec 7, 2008 at 6:04 PM, Dave Newton <[EMAIL PROTECTED]> wrote:
>
> --- On Sun, 12/7/08, Michael Wood wrote:
>> Is there an explanation that's a little smaller than 607MB?
>
> The slides and the code?
:)
Ah, sorry. Didn't see the slides link.
o evaluate a nonexistent function, I do get a line
number in the error:
user=> (some-function)
java.lang.Exception: Unable to resolve symbol: some-function in this
context (NO_SOURCE_FILE:4)
Your patch does fix the problem in Timothy's first post in that thread, though.
--
On Sun, Dec 7, 2008 at 11:10 PM, Stephen C. Gilardi <[EMAIL PROTECTED]> wrote:
>
> On Dec 7, 2008, at 3:13 PM, Michael Wood wrote:
>
>> With or without your patch I still get no line numbers for some things
>> at the REPL.
>> e.g. if I try to evaluate a non-
Has anybody else hit this?
I just did. Its not tricky to alter resultset-seq to return maps with
qualified keys:
(defn resultset-seq
"Creates and returns a lazy sequence of structmaps corresponding to
the rows in the java.sql.ResultSet rs"
[#^java.sql.ResultSet rs]
(let [rsmeta (. rs (g
ng as you have the JDK and a Subversion client
this is very easy to do.
>> (2) It is examples (plural) not example (singular).
> It was typo.
>>
>> Also, what version of the book are you working from? The most recent
>> is Beta 3.
>>
I've been toying with something similar. The approach I took was to
define multi-methods for the various operators:
(defmulti add class)
(defmulti sub class)
(defmulti mul class)
(defmulti div class)
...
Then I of course write the implementations for various different
types. Then, because the m
eption: Unsupported character: \something
user=>
So try restarting the repl. Or else type a single " and press Enter
and see what you get. If you don't get something like "\n" printed by
itself with no exceptions, try it again.
--
Michael Wood <[EMAIL PROTECTED]>
7;user/parallel
user=> (parallel + '(1 2 3) '(4 5 6))
(5 7 9)
user=>
The problem seems to be that you are quoting the +. Not sure why this is, but:
user=> ('+ 1 4)
4
user=>
> I gleaned what I could from the Clojure wiki but I'm still missing
> something.
>
On Wed, Dec 10, 2008 at 10:00 PM, Michael Wood <[EMAIL PROTECTED]> wrote:
[...]
> The problem seems to be that you are quoting the +. Not sure why this is,
> but:
>
> user=> ('+ 1 4)
> 4
> user=>
OK, I think I know why this happens. It's treating th
ang: A No-Compromises Approach"
> - "Haskell: A Foundation for Research"
> - Sidebar: "Functional Programming in Mathematica"
>
> There seems to be a bit of an oversight. Perhaps one of the authors
> among us should contact the author of that article, Michael Sw
Hi Randall,
Seems the general consensus is that there is nothing inherently bad
with such a design.
The idea of macros is to give you the power to generate code from
commonly occurring templates. Emitting multiple def forms certainly
falls under this umbrella.
/mike.
On Mon, Dec 15, 2008 at
d:
user=> (declare fred bob margaret)
#'user/margaret
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On Wed, Dec 17, 2008 at 11:00 AM, Scott Jaderholm wrote:
> Thanks for the idea. Although those are definitely necessary steps,
> unfortunately the problem still persists.
>
Can you get a similar Java program work correctly? i.e. we want to try
and separate if this is specific to JDBC in Clojure
an Bates's RailsCasts (http://railscasts.com)
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For what its worth, I've had a similar setup working on Mac OS X 10.5:
Aquamacs
SLIME
jogl-1.1.1
I'm pretty sure I'm running Java 1.6 (can't check now). I had no
issues with hangs. Perhaps QT is the bad ingredient.
/mike.
On Thu, Dec 18, 2008 at 2:40 PM, chris wrote:
>
> I think you are abso
doc-string. And
> in my humble opinion, I think it improves the readability of function
> definitions when the defn, name and [params] are on the same line
> regardless of how long the doc-string is.
Where would it go when you have multiple par
clojure.org/contributing
> 4. Is there a package retrieval/dependency tracking system for Clojure
> (sth. similar to Rubygems / asdf / apt-get etc.) or is someone working
> on such a system ?
There is no such thing at the moment although it's been mentioned in the past.
--
Michael
On Fri, Dec 19, 2008 at 4:32 PM, Rich Hickey wrote:
>
> On Dec 19, 8:59 am, "Michael Wood" wrote:
>> On Fri, Dec 19, 2008 at 1:02 PM, hosia...@gmail.com
>> wrote:
>>
>> > I'm learning Clojure by trying to implement some functions fro
On Fri, Dec 19, 2008 at 4:35 PM, Michael Wood wrote:
> On Fri, Dec 19, 2008 at 4:32 PM, Rich Hickey wrote:
>>
>> On Dec 19, 8:59 am, "Michael Wood" wrote:
[...]
>>> There is a function called partition in Clojure's core.clj that does
>>> this,
e-other
user=> (defmacro encode [x]
(if (symbol? x)
(encode-symbol x)
`(encode-other ~x)))
nil
user=> (encode ?a)
"?a"
user=> (encode 1)
"\"1\"^^xsd:integer"
user=> (encode 2.0)
"\"2.0\"^^xsd:decimal"
user=> (encode "string&
On Mon, Dec 22, 2008 at 1:30 AM, Michael Wood wrote:
> On Sun, Dec 21, 2008 at 7:03 PM, Adam Harrison (Clojure)
> wrote:
> [...]
>> (defmacro where [& triples]
>> `(let [encode# (fn [x#] (cond (and (symbol? x#) (= (first (name x#))
>> \?)) (name x#)
>>
This is a long shot, but...
It's been a while since I played with swing in clojure, but I remember
the swing UI would display behind emacs. The result is that the app is
correctly running despite the fact that it is obscured by other
windows while your REPL appears stuck.
Mi
y using.
> Workaround: replace it with the latest clojure.jar
Probably the best thing to do as long as it doesn't confuse enclojure.
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&quo
and then
>> the monotonically increasing property ceases to hold, though
>> monotonically non-decreasing does hold apparently without limit.
>
> D'Oh! You use sort when you're done generating the sequence.
>
> D'Oh! D'Oh! D'Oh!
hahaha :)
effects on Refs will be atomic."
[& exprs]
`(sync nil ~...@exprs))
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- prints nothing - why?:
> > (defn pretty-print-row [row]
> > (map print row))
>
> Because 'map' is lazy, and won't evaluate 'print' on any of the items
> sequence unless necessary. For functions with side-effects (like
> 'print') you'l
all for the filtering expression.
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he expression.
> The first yields: ([0 0] [0 1] ... [0 99])
> The second y ields ([0 1] [0 2] .. [0 100])
> I don't know why.
>
>
>
>
> On Dec 27, 4:29 pm, "Michael Wood" wrote:
>> On Sat, Dec 27, 2008 at 11:01 PM, wubbie wrote:
>>
>> >
ure is 1185. Clojure was recently moved to
Google Code:
http://groups.google.com/group/clojure/browse_thread/thread/6b4a5284d61a682a/
I don't know if that has anything to do with your problem, though.
--
Michael Wood
--~--~-~--~~~---~--~~
You received t
so you need to make sure that there is a way out of the recursion.
(You're probably already familiar with recursion, in which case, sorry
for stating the obvious :)
clojure.contrib.lazy-seqs has a lazy infinite sequence implementation.
--
Michael Wood
--~--~-~--~~~--
d so with this set it should do what you need.
/mike.
On Sun, Dec 28, 2008 at 11:04 PM, Greg Harman wrote:
>
> Thanks for that - I'm all up to date now. The bad news is that it
> didn't seem to affect my problem at all.
>
> On Dec 28, 6:58 pm, "Michael Wood"
Doh!
I just read your discussion w/ Anton on his blog. Seems you've already
looked at the context classloader.
*shrug*. I'm stumped.
/mike.
On Mon, Dec 29, 2008 at 12:46 PM, Michael Reid wrote:
> Hi,
>
> I'm not sure how to integrate this into the Tomcat JSP sce
Hi,
I don't have Clojure in front of me right now to try this out, but
from the looks of the README let me be the first to give you an
emphatic *Thank you*.
This is looking rather useful. Nice work.
My one concern with this is how brittle is this with respect to
Clojure's development? Have you
> I guess it comes down to what belongs in metadata. While errors are
> certainly data about other data, they don't feel to me like metadata a
> la :doc, :tag, :file, :line, and :test. They're the sort of thing I'd
> show in an application's UI as part of normal user interactions,
> rather than so
quot; in (apply str-orig args)
is the list of arguments that are passed to str-orig.
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On Sun, Jan 11, 2009 at 9:12 PM, Mark Triggs wrote:
>
> I've also found this useful for accessing members in nested maps. For
> example:
>
> (let [me {:person {:name {:first "Mark"
>:last "Triggs"}
> :email "mark.h.tri...@gmail.com"}}]
>(-> me
On Tue, Jan 13, 2009 at 12:39 PM, samppi wrote:
>
> Recently, I asked how to make a function evaluate its arguments lazily
> (http://groups.google.com/group/clojure/browse_thread/thread/
> cd01ef39c2b62530), and I was given a good solution: use Delay objects
> (with the delay and force functions)
> Is there anyway to write a macro/function that acts as a function when
> necessary (so it can be passed as an argument), but expands into a
> macro (for speed) when deemed possible?
I don't think this is possible without some sort of support for a
macro/function duality in core Clojure. In the
On Fri, Jan 16, 2009 at 9:57 PM, David Nolen wrote:
> Just made sense to me today as well.
> #^Class
> is short form for saying set the metadata for the symbol being defined (in
> this case list) to the map {:tag Class}.
> #^ is a reader macro for setting metadata for the compiler. That code is
On Mon, Jan 19, 2009 at 11:59 AM, Chouser wrote:
>
> On Sat, Jan 17, 2009 at 8:03 PM, pc wrote:
>>
>> This is very useful. For me it was useful to be able to limit the
>> output to lines that contained a few selected letters.
>>
>> (show String "pper")
>> === public final java.lang.String ===
On Sat, Jan 17, 2009 at 8:25 PM, Dan Larkin wrote:
>
>
> On Jan 17, 2009, at 6:29 PM, Stephen C. Gilardi wrote:
>>
>> Hi Dan,
>>
>> That's interesting. I've given it some thought and I've come to see
>> it as a version of resolve that tries harder than the default.
>> Here's an implementation tha
On Mon, Jan 19, 2009 at 12:34 PM, Chouser wrote:
>
> On Mon, Jan 19, 2009 at 11:03 AM, Michael Reid wrote:
>>
>> (defn index-of [#^String s #^String substr]
>> (.indexOf s substr))
>>
>> Then the compiler will generate an optimized code path that direc
ing the realisation of its result? That would seem
to be far more sensible, but maybe there's a reason it would not work.
How would one go about fixing f1 (or b1)?
--
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On Thu, Jan 22, 2009 at 4:43 PM, Peter Wolf wrote:
>
> This is a rejuvenation of the old "calling Java from Clojure" thread
>
> I have been looking at the solutions from Mark
> /
> 1) From a Java application, read a text file containing Clojure code
> and invoke specific functions it defines
lt#
(print ".")
(do (newline)
(println (format "FAIL: [%s %s]" pname# params#
result#))
nil
user=> (with-test-report [= 3 [1 3]] +)
FAIL: [= [1 3]]
false
I suppose fn-with-tests could be a macro that calls a function
(with-test-report pname
On Tue, Jan 27, 2009 at 3:04 AM, Keith Bennett wrote:
>
> All -
>
> I tried testing the code at http://clojure.org/Refs to see what the
> benefit of multicore processing would be. To my surprise, the my-pmap
> function took *more* time, not less, than the map function.
>
> Whereas the times list
On Tue, Jan 27, 2009 at 5:38 PM, Chouser wrote:
>
> On Tue, Jan 27, 2009 at 9:20 AM, Daniel Jomphe wrote:
>>
>> Michael Wood wrote:
>>
>>> I've seen various code snippets where people use something# in
>>> functions. Is there any point to this or
419
Last Changed Date: 2009-01-26 22:57:08 +0200 (Mon, 26 Jan 2009)
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macro main "doc string" [])
#'user/main
user=> (doc main)
-
user/main
([])
Macro
doc string
nil
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&qu
(macroexpand-1 '(Foo.))
> (new Foo)
Well, I prefer (new Foo) to (Foo.) anyway, because it's much harder to
miss "new" than it is to miss "." :)
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p
> It could take a string or InputStream/Reader or File as its input, and
> return a well formatted String/outputStream/Writer ?
>
> Indeed, I don't want to reinvent the wheel for clojure-dev, but if it is
> written in Python/Ruby/emacs lisp ... I'l
17) (18 19))
user=> (partition 2 3 (range 21))
((0 1) (3 4) (6 7) (9 10) (12 13) (15 16) (18 19))
Note: If the collection cannot be divided evenly then some elements at
the end are discarded.
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You received this message be
entation and examples directly in the header comment of the
> source file."
>
> It's worth asking again in case someone knows of good online articles
> that give an overview of clojure-contrib.
I'll leave this for someone else to answer :)
--
Michael Wood
--~--~---
oo)
Or something like this:
user=> some-string-ending-with-a-'
java.lang.Exception: Unable to resolve symbol:
some-string-ending-with-a- in this context (NO_SOURCE_FILE:0)
'foo
(quote foo)
user=> 'foo
foo
Older versions of clojure w
the following:
$ ln -s /path/to/source .
is a short cut for:
$ ln -s /path/to/source source
I have never used Windows' mklink command, but perhaps this is what you want:
mklink /D gui build\classes\gui
--
Michael Wood
--~--~-~--~~~---~--~~
You receiv
ources" section of http://www.lispforum.com/
in particular, http://www.lispforum.com/viewtopic.php?f=18&t=13&start=0
--
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To po
On Tue, Feb 10, 2009 at 5:02 PM, MattH wrote:
>
> The pipe macro is definitely not a new idea btw. It's taken from a
> thread posted on another lisp group.
>
> Someone posted a silly inflammatory attack on lisp, contrasting unix:
> "cat a b c | grep xyz | sort | uniq"
> to how they'd imagine it
ing reviewed, though. I hope they do
change for the better, because they seem ridiculously draconian:
http://en.wikibooks.org/wiki/Help:Revision_review#Automatic_editor_status_criteria
--
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run, doseq, dotimes, etc.)
> On Thu, Feb 12, 2009 at 7:57 PM, Kevin Albrecht wrote:
>>
>> If no one knows of any existing conventions, does anyone have ideas
>> for conventions?
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check that.)
I can't work out if it's a strange way to promote a religion, or a
plot to discredit said religion. :)
If it had been written in Clojure it might have had some reason to be there :)
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--~--~-~--~~~---~--~~
You received th
"${CLASSPATH}" clojure.main "${script}" "$@"
The quotes are necessary around the $@, otherwise you will get the
symptoms you are seeing.
> P.S. Also, unrelated to this problem, the following line in the
> example code in command_line.clj is missing the vecto
(partial list :bold))]
> (cons :table
> (map (fn [r] (cons :tr (map (fn [i] (list :item i)) r)))
>table-with-selected
>
> (defn test-mt []
> (make-table 3 1 0 ["cat" "dog" "rabbit" "cat" "dog" &quo
ew_cell (first strings) row col))
> (rest strings)))
>(recur row col table_contents (rest strings)))
> (str table_contents "\n"
>
> I actually got it working before reading any of the replies here. So
> I'll probably take some of these s
On Mon, Feb 16, 2009 at 12:05 PM, Perry Trolard wrote:
>
> I agree with the majority of posters that the breaking changes in the
> service of optimal names is the right way to go.
>
> I found the explanation & recipe for porting at clojure.org/lazier
> clear & easy to follow. I didn't do full por
need 40,000,000 functions in less than a second ;)
Well that takes about 12 seconds for me on a dual CPU P3 1GHz
(/proc/cpuinfo says 930MHz?). :)
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3.0 bytecode library, and the current alpha distribution includes
> it. Java 1.5 or greater is required."
Looks like that needs to be updated :) The current license is EPL, not CPL.
--
Michael Wood
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You received this message becau
;)
> #'user/i
> user=> (def m "substring")
> #'user/m
> user=> (def args [2,3])
> #'user/args
> user=> (str-invoke i m args)
> java.lang.IllegalArgumentException: Unexpected param type (NO_SOURCE_FILE:0)
> us
ke an unofficial Git repository. I
don't know the URL off hand, but it's been mentioned on the Clojure
group.
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Michael Wood
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> appease those people. Clearly the majority of the people on this list
> feel the answer is "no".
I have a feeling that developers who use the "too many parentheses"
reason for avoiding Clojure (or other lisps) will just find another
reason
${DP} contains spaces, unless you
quote those arguments too:
#!/bin/sh
DP="${0%/*}"
java -cp "~/src/clojure/clojure.jar:${DP}/clj:${DP}/java"
-Dnet.sourceforge.waterfront.plugins="${DP}/clj/net/sourceforge/waterfront/ide/plugins"
clojure.mai
ould be a little clearer as follows:
Bindings created with _the binding macro_ can be assigned to, which[...]
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Michael Wood
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On Fri, Feb 27, 2009 at 2:30 PM, Mark Volkmann
wrote:
>
> On Fri, Feb 27, 2009 at 4:34 AM, Michael Wood wrote:
[...]
>> Bindings created with binding can be assigned to, which provides a
>> means for nested contexts to communicate with code before it _in_ the call
>> s
do this to me.
So, I suppose the "syntax" for this would be something like this:
(binding [*read-eval* false] (read ...))
>> Should I create a separate reader for the read-only version or just
>> use an if statement within the EvalReader?
>
> A solution based
art end]
> (let [count-back #(if (< 0 %) (+ (count s) %) %)]
> (.substring s (count-back start) (count-back end)
>
> Am I the only one who finds this useful? Perhaps if it's not suited for
> core it could go in str-utils in contrib as "substring".
Makes s
gt; Returns the metadata of obj, returns nil if there is no metadata.
> nil
> user=>
The above is not necessary:
user=> (doc meta)
---------
clojure.core/meta
([obj])
Returns the metadata of obj, returns nil if there is no metadata.
nil
user=>
--
Michael Wood
-
go for details:
http://groups.google.com/group/clojure/browse_thread/thread/d5ce5ddb679cb8f9/79919526bf401a08?lnk=gst#79919526bf401a08
> P.S. - The text editor you are using for the shell script is encoding
> DOS style newlines and doesn't work on linux. I co
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