On Thursday, August 14, 2014 6:46:56 AM UTC-7, James Reeves wrote:
You can do this with Environ. Leiningen checks for a profiles.clj in your
project directory, as well as then one in $HOME/.lein. If you add
profiles.clj to your .gitignore file, you can use it for local overrides
during
On Thursday, August 14, 2014 2:53:30 AM UTC-7, Tony Tam wrote:
It wasn't really clear to me from the README why use this instead of
environ. Care to explain a little more in detail? I.e. give a concrete use
case.
Any particular reason for not supporting .lein-env files?
Also, if a .env is
The JVM does not make using environment variables easy or convenient. The
environ https://github.com/weavejester/environ library took a step in the
right direction by abstracting away the distinction between environment
variables and Java properties into a Clojure map data structure. However, I
,
Constantine Vetoshev
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I finally came up with a simple example which shows the broken
exception handling behavior I described in my earlier post on this
thread.
(defn broken-catch [filename]
(try (java.io.FileReader. filename)
(catch java.io.FileNotFoundException fnfe
FileNotFoundException caught)
I ran into an interesting problem while porting appengine-magic to
Clojure 1.3.0.
The Google App Engine SDK uses checked exceptions on many of its API
methods. In many cases, I want to catch these exceptions and do
something Clojure-friendly with them. With Clojure 1.2.x, I had no
trouble
On Oct 3, 12:27 pm, Stuart Halloway stuart.hallo...@gmail.com wrote:
Catching checked exceptions seems to work fine. Try e.g.
(try (throw (java.io.IOException.)) (catch java.io.IOException _ caught!))
I suspect something else is going wrong in the GAE example. Can you
narrow the code down to
/appengine-magic
The library is available in Clojars. The README file fully documents
the available API. Please note that this release includes several
minor breaking changes; they are detailed in the HISTORY file.
Comments, bug reports, questions, and patches welcome.
Thanks,
Constantine Vetoshev
On Feb 10, 7:47 pm, Edgar Gonçalves edgar.goncal...@gmail.com wrote:
So for future reference, if you come up with the same issue, the solution is
to compile your gen'ed-classes and delete all the others from the
war/WEB-INF directory, making sure you have a standalone jar along the
remaining
On Jan 9, 10:54 am, Stefan Kamphausen ska2...@googlemail.com wrote:
Given that decision I'd like to understand the general development process.
Does one always compile to a class (ns ...gen-class ..extends ..Servlet) and
will the appengine development server pick up the changes, or will I
On Dec 21, 7:16 pm, Phil Hagelberg p...@hagelb.org wrote:
If you're already using swank then you can try clojure-test-mode; it
clears out all deftests in between test runs.
https://github.com/technomancy/clojure-mode/blob/master/clojure-test-...
It also highlights failures in the test buffer
On Nov 29, 2:25 pm, Miki miki.teb...@gmail.com wrote:
Yeah, it uses load-string which IMO default to clojure.core
namespace.
I've tried some namespace hacking to allow the user to define the
namespace, but couldn't make it work
(there's a FIXME in the code about that).
Currently I using
On Nov 22, 6:43 pm, Miki miki.teb...@gmail.com wrote:
Dr.Evilis a simple web debugger that provides a REPL to your web
application in a hidden location.
This is pretty useful, thanks!
I tried adding Dr. Evil into a test app, but I'm having trouble
switching namespaces in the REPL:
= *ns*
On Nov 24, 6:41 am, Vesa Marttila vtmartt...@gmail.com wrote:
I have a question about this release: I understood from this release
announcement that entities can be saved from the REPL, but I was not
able to do so and the official documentation still states that it
can't be
done, which is the
in Clojars. The README file fully documents
the available API.
Comments, bug reports, questions, and patches welcome.
Thanks,
Constantine Vetoshev
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On Oct 4, 10:52 pm, Glen Stampoultzis gst...@gmail.com wrote:
On 21 September 2010 07:15, Constantine Vetoshev gepar...@gmail.com wrote:
I'd like to announce the release of a working version of appengine-
magic, a library designed to make it easier to get started with Google
App Engine
In Clojure 1.2, compiling the code below blows up with:
error: java.lang.VerifyError: (class: t1/core/One, method: clinit
signature:
()V) Incompatible argument to function (core.clj:11)
Something about this problem causes damage to the running Clojure
process. Once
the exception happens,
On Sep 20, 9:17 am, Stefan Kamphausen ska2...@googlemail.com wrote:
So it might be a good idea to avoid creating threads automatically or
importing file/socket packages.
I think you're right. Dependencies are always a double-edged sword,
and in the case of App Engine, they are more toxic than
, as always.
Constantine Vetoshev
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I recently spent some time trying to abstract away some of the
incidental complexity of using Google App Engine with Clojure. Right
now, setting up interactive development and understanding what to do
requires reading several blog posts, and pasting in a lot of
boilerplate code. I ended up making
On Sep 5, 8:56 pm, Alyssa Kwan alyssa.c.k...@gmail.com wrote:
Any thoughts on how to marshal functions? What about vars and dynamic
binding?
I don't think marshaling closures will ever happen without changes to
Clojure itself. I haven't looked into how much work it would require,
or how much it
On Aug 30, 5:02 pm, nchubrich nchubr...@gmail.com wrote:
Persistence libraries always end up warping the entire codebase; I've
never succeeded in keeping them at bay. Using data with Incanter is
different from ClojureQL, which is different from just using
contrib.sql, and all of it is
On Apr 8, 12:45 pm, Ævar Arnfjörð Bjarmason ava...@gmail.com wrote:
If I have 10 Clojure projects I'm going to have 10 src/clojure.jar
files. Do they really need to be there or could I just use the clojure
that comes with my operating system (Debian)?
When I hack Common Lisp I don't copy sbcl
This thread encouraged me to post what I did to make swank-clojure
1.1.0 work with the the latest SLIME. It does not use any of swank-
clojure's automatic .jar downloading features (as of version 1.1.0).
These instructions won't work on Windows, but may work if you have
Cygwin.
Note that this
On Mar 8, 11:50 am, Jonathan Shore jonathan.sh...@gmail.com wrote:
How would I encapsulate this into a data structure to be passed into
functions efficiently? I could use a map of symbols to various structures,
but that would be inefficient in access and memory. I could bind into a
On Feb 6, 1:06 pm, Peter Schuller peter.schul...@infidyne.com wrote:
But the practical issue
remains that if I want to write some software that I want sysadmins in
various situations to want to use effortlessly (in my case, a backup
tool), problems like these do get in the way of choosing
On Jan 18, 2:14 am, mac markus.gustavs...@gmail.com wrote:
Updating stuff in the map became a little bit of a hassle so I made
versions of assoc-in and update-in that work on dgraphs. Here they are
in case anyone else is interested:
(defn assoc-node
[dgraph m ks v]
(dgraph m (assoc-in
On Jan 17, 4:05 am, Albert Cardona sapri...@gmail.com wrote:
The link gives a not found--did you push?
I did, but then I moved the examples directory around to make
everything more Leiningen-layout-friendly. Here is the updated link:
On Jan 16, 4:01 am, mac markus.gustavs...@gmail.com wrote:
I am just now in a situation where I have to do some swing programming
and this seems like it has great potential!
Since it's already version 1.0 you should put it on Clojars so that it
is easier to use from leiningen or maven etc.
On Jan 14, 7:29 pm, Timothy Pratley timothyprat...@gmail.com wrote:
To give me a
head-start, are there key differences with clojure.contrib.dataflow so
I can better understand?
Thank you for your interest. I have not extensively used c.c.dataflow,
so I apologize if I misrepresent it, but here
On Jan 15, 5:59 am, Laurent PETIT laurent.pe...@gmail.com wrote:
I would like to know, is there an essential reason for not having
stored the dependency graph as a hidden property of the graph ?
I'm not sure I understand your question. You can see the stored graph
if you take the function
helped reduce the
pain significantly. The README file in the GitHub repository has some
usage examples and ideas.
Comments and bug reports welcome.
Thanks,
Constantine Vetoshev
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On Dec 30, 10:40 am, Robert Campbell rrc...@gmail.com wrote:
I think anything which lowers the impedance mismatch between Clojure
data structures and a persistent store is worth investigating. I'd
love to find an ACID, transactional store which accepts native
structures.
Have you looked at
On Dec 1, 12:38 am, Towle towle.m...@gmail.com wrote:
So after shopping around
thoroughly and picking up bits about on theoretical computer science
and the history of programming languages, I decided to pick up a Lisp;
I'm intrigued by the greater concept/idea behind the Lisp family of
On Nov 20, 8:33 am, nchubrich nicholas.chubr...@gmail.com wrote:
I guess this is getting to be a pretty epic macro! I figured it was
worth inviting boos and/or cheers and suggestions before setting out...
Far be it from me to discourage making function invocation semantics
more flexible! Just
On Nov 17, 11:33 pm, nchubrich nicholas.chubr...@gmail.com wrote:
can it be any more
general or minimal than this?
Seems to me that your suggestion effectively makes every positional
argument optional. You did note that the scheme calls for supplied-
predicates, but this pushes responsibility
On Nov 16, 4:28 pm, Chouser chou...@gmail.com wrote:
'let' is also careful to always have the user provide the symbol
being bound as a symbol. That is you say {:keys [a b c]} not
{:keys [:a :b :c]}. What do you think of having let-kw take
symbols instead of keywords for the names being
On Nov 17, 2:52 pm, David Nolen dnolen.li...@gmail.com wrote:
Thanks for pursuing this so adamantly :) For a long time (more than a year)
it was possible to use SLIME tip. It would be great for that to continue.
You can still use SLIME; just avoid the slime-autodoc contrib. Use
(slime-setup
1. Looks like everyone prefers the let-kw name. Sounds good to me.
2. I tried it with the more let-like form, but I don't like the number
of opening braces required. For a full kw-spec, the form would end up
(let-kw [[[:kw default supplied?]] kw-args] ...). Clojure tends to err
on the side of
:kw2 kw2}))]
(inner :kw1 hello :kw2 world)))
Credit where it's due: I lifted ideas and bits of code from defnk.
Thanks, Meikel!
Comments welcome.
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Looks like Google Groups posting software forced line wraps at less
than 80 columns, breaking the code. Lovely. Here's the fn-keywords
macro reformatted for 72 column wrapping.
(defmacro fn-keywords
Adds flexible keyword handling to any form which has a
parameter list: fn, defn, defmethod,
familiarity with Berkeley
DB will help, but is not required.
All comments and bug reports welcome.
Thanks,
Constantine Vetoshev
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On Sep 26, 7:35 am, Meikel Brandmeyer m...@kotka.de wrote:
The problem is, that you quote the symbol you inject into the inner
defmacro. Hence it does not get resolved. The solution in this case
seems to be to syntax-quote the symbol correctly before injection.
Replace the two ~'~ with ~~ and
(I asked these questions on #clojure, and the friendly locals
suggested I open the question up for a wider audience.)
I'm trying to write a macro-writing-macro. My code has a bunch of
resources which have -open and -close type of calls, and they could
all benefit from with- wrappers. The with-
On Sep 25, 6:02 pm, John Harrop jharrop...@gmail.com wrote:
I don't think you can use things like defmacro in a let.
This works:
(let [y 10]
(defmacro m1 []
`(list ~y)))
(m1) =
(10)
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You received this message because you are
On Sep 24, 10:59 am, Miron Brezuleanu mbr...@gmail.com wrote:
Well, I only want to enforce duck-typing :-) - for instance, make sure
via unit tests that a function that should return a data structure
with certain properties always returns such a data structure.
Not exactly what you asked for,
On Sep 17, 2:55 pm, Chouser chou...@gmail.com wrote:
In a new thread, vars always start with their root binding.
There's an ongoing discussion about the best way to provide
other options when this is not the desired behavior:
http://www.assembla.com/spaces/clojure/tickets/170-bound-fn-macro
I have some code which opens a bunch of resources (say, files), and
needs to make sure they all get closed. Something like this:
(let [files (atom [])]
(try
(open-my-many-files files)
;; the files atom now refers to a vector of open file handles
(do-dangerous-io @files)
(finally
:
you are using an atom as a temporary variable. please don't do that.
(doseq [f files]
(with-open [of (open-file f)]
(do-dangerous-io of)))
On Sun, Sep 13, 2009 at 1:05 PM, Constantine Vetoshev
gepar...@gmail.com wrote:
I have some code which opens a bunch of resources (say, files
On Sep 13, 11:18 pm, Richard Newman holyg...@gmail.com wrote:
I think the OP's issue was that he has a sequence of things to close,
determined at runtime. with-open itself is no use there, because the
things to close must be known at compile-time.
Exactly.
He is correct that finally and
thread
can alter a def'ed global variable for any other thread. If the thread
starts in a binding*, it would, at worst, affect itself and its
children. Seems useful.
Any comments? Is this possible? How difficult would this be to
implement?
Best regards,
Constantine Vetoshev
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