At my job, I have to meet clients multiple times a week and schedule
appointments with them at various places around town. Recently, I have seen
a boom in business and while this is very fortunate it has made scheduling
tedious. Lamenting this fact, it dawned on me that I might be able to make
Thank you Nicola :D
Il giorno mercoledì 19 marzo 2014 13:42:31 UTC+1, Nicola Mometto ha scritto:
Matteo,
When sending the CA adding a project name is optional, you can leave
it empty.
Usually the name for a contrib project will be chosen in the thread in
clojure-dev when proposing the
On 19 March 2014 21:14, Alex Miller a...@puredanger.com wrote:
Rich just pushed a change to the String hashing to address this. We're
going to grab the string hashcode (which is cached after first call) and
murmur the result of that. This gives us constant time hashcode after first
call with
On 20/03/14 04:03, Andy C wrote:
So, the following test puzzles me. Not because it takes virtually the
same time (I know that Fork/Join is not cheap and memory is probably
the biggest bottleneck here). But because I do not get why map (as
opposed to r/ma) uses all 8 cores on my MacBookPro.
into uses reduce under the hood, you probably need fold to have the
computation to run on FJ:
(def a (time (r/foldcat (r/map #( Math/sin (* % %)) l)
this runs more than 2x as fast on my macbook pro
Las
On Thu, Mar 20, 2014 at 10:34 AM, François Rey fmj...@gmail.com wrote:
On 20/03/14
On 20/03/14 12:26, László Török wrote:
into uses reduce under the hood, you probably need fold to have
the computation to run on FJ:
Yes, now I see all my CPUs being maxed-out.
francois@laptop:~$ perf stat java -cp
~/.m2/repository/org/clojure/clojure/1.5.1/clojure-1.5.1.jar
clojure.main -e
I would just use Google Calendar for that.
On Thu, Mar 20, 2014 at 3:53 AM, kurofune jesseluisd...@gmail.com wrote:
At my job, I have to meet clients multiple times a week and schedule
appointments with them at various places around town. Recently, I have seen
a boom in business and while
Yes, agreed.
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case depends on hashCode, not hasheq, so should be unaffected by these changes.
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I'm starting to use om in some projects and one of the first components I
had to build was a simple notification component. It shows a message at the
top of the page. Other components in the page will use it to display
messages when errors happen.
My idea was to send the message string to it
I got an email from O'Reilly this morning saying that the Clojure Cookbook
had been released, and bought it immediately. Thanks to everyone who
contributed! It's very helpful.
http://shop.oreilly.com/product/0636920029786.do
Nando
Aria Media Sagl
Via Rompada 40
6987 Caslano
Switzerland
+41
woooh
More good books is good for Clojure. Going to order mine today. And a BIG
BIG BIG thank you for everyone who has contributed, that is what I love
about Clojure (almost ;) ) most, the community!!!
Thomas
On Thursday, March 20, 2014 1:15:57 PM UTC, Nando Breiter wrote:
I got an
I'm not sure what you mean by scheduling asymmetries. If you mean that
someone misunderstood where and when you are supposed to meet, that's one
thing. Instead of a web application, you could use a simple email to
confirm appointments in this way. At least your clients already use email
and would
Eastwood is a Clojure lint tool. It analyzes Clojure source code in
Leiningen projects, reporting things that may be errors.
Installation instructions are in the documentation here:
https://github.com/jonase/eastwood/#installation--quick-usage
The previous release was in January 2014.
Thanks for the responses. I looked into google calendar but I couldn't find
anything about this feature. I agree that things can get complex and unwieldy
really quick. I am of course using emails and calendars. The problem is that
when dealing with large numbers of customers it would be nice to
This sounds like exactly what doodle does: http://doodle.com/en/
On Thu, Mar 20, 2014 at 11:43 AM, kurofune jesseluisd...@gmail.com wrote:
Thanks for the responses. I looked into google calendar but I couldn't
find anything about this feature. I agree that things can get complex and
unwieldy
Also, general programming advice:
I find myself switching between top-down and bottom-up approaches
willy-nilly, but in either case I would avoid worrying about choosing
components and impls right away. With both approaches, when prototyping,
I'd favor use of core functions and data structures
I think #2 would be a great addition to test.check, and I'd be happy to be
a mentor.
Reid
On Wednesday, March 19, 2014 3:49:30 PM UTC-5, Dmitry Groshev wrote:
Hello, Clojurians!
GSoC application deadline is dangerously close and it's time to fill an
application, at last. But here is a
On Wednesday, March 19, 2014 4:14:38 PM UTC-4, Alex Miller wrote:
Rich just pushed a change to the String hashing to address this. We're
going to grab the string hashcode (which is cached after first call) and
murmur the result of that. This gives us constant time hashcode after first
call
We're vulnerable to this problem anyway as long as hashing is
deterministic, which is why I think it would be cool to use some
universal-hashing-like scheme...
I think Murmur3 actually uses a seed that could be randomized? Not
really safe in the cryptographic sense of the word, but would make
Regarding Michal's comment of using BST (binary search tree)-based
dictionaries, Clojure does already have sorted-maps and sorted-sets that do
this, for comparable keys/elements.
A nice hybrid of the nearly-O(1) typical case of hash maps/sets, and
simultaneously protecting against the cases where
In case it isn't clear, I don't think such drastic changes could ever hope
to be done in a reasonable time frame for Clojure 1.6.0. Probably better
to have a different thread for this if there is interest in discussing it.
Andy
On Thu, Mar 20, 2014 at 10:03 AM, Andy Fingerhut
On Thursday, March 20, 2014 11:56:46 AM UTC-5, Michał Marczyk wrote:
We're vulnerable to this problem anyway as long as hashing is
deterministic, which is why I think it would be cool to use some
universal-hashing-like scheme...
Agreed - whether it's the old algorithm or new, it's still
I second Google Calendar.
You can make appointments show as busy so the details are not shared with all
clients. Then share your calendar with each client. You can invite specific
clients to specific appointments via email, make some of them recurring, and
it's up to the client to respond to
Thank you very much for both of those emails Gary. Your programming advice rang
very true and doodle does look almost exactly like what I need. I'll look into
that and google calendar, but now I need a good project to work on! How does
one go about getting mentored in Clojure? Is that even a
It is my pleasure to announce simple-time to the
world: https://github.com/mbossenbroek/simple-time
simple-time is a dead simple datetime timespan library for Clojure. It's
an opinionated alternative for clj-time that takes a more functional twist
on the object-heavy Joda time library.
Full
Is is very bad form to use local mutable state to solve problems like :
https://www.4clojure.com/problem/114
i.e.
(fn [n f xs] (let [c (atom 0)] (take-while #(if (f %) ( n (swap! c inc))
true) xs)))
If so, what is the strongest reason to reject this kind of code? Since its
a local atom it
Dave Sann
Custom tags are awesome! Just what I was looking for!
Do you have this anywhere in clojars.org?
On Thursday, April 25, 2013 10:17:42 AM UTC+1, Dave Sann wrote:
see this commit for main changes to hiccup
Hi Matt,
Thanks for your work on this library, it looks truly excellent.
The next time I need to deal with dates or times I'll be reaching straight
for simple-time.
Cheers,
James
On Thursday, March 20, 2014 7:15:55 PM UTC+1, Matt Bossenbroek wrote:
It is my pleasure to announce simple-time
I suggest using proteus https://github.com/ztellman/proteus for performant
local mutation.
On Thursday, March 20, 2014 3:34:20 PM UTC-4, Andy Smith wrote:
Is is very bad form to use local mutable state to solve problems like :
https://www.4clojure.com/problem/114
i.e.
(fn [n f xs] (let
There are a few reasons to reject this style of code:
1. It's typically less performant.
2. It's more prone to error.
3. It's not particularly idiomatic.
Also, as this is a learning exercise, I suspect that the question is
directing you toward a more functional solution.
- James
On 20 March
Not to mention that this isn't local mutation. You are handing the atom to
a closure that then gets wrapped by lazy-seq and returned. So the atom may
actually sit around for some time.
On Thu, Mar 20, 2014 at 2:26 PM, James Reeves ja...@booleanknot.com wrote:
There are a few reasons to reject
Also from the proteus link, i read 'these variables cannot escape the local
scope; if passed into a function or closed over', which is a problem with
code such as in my example I suppose.
I wasnt trying to avoid the functional approach but just being devils
advocate. Thanks for your comments.
Thanx for Eastwood - it's a great tool!
Just FYI, using Clojure 1.6.0 builds produces these warnings:
WARNING: record? already refers to: #'clojure.core/record? in namespace:
clojure.tools.analyzer.utils, being replaced by:
#'clojure.tools.analyzer.utils/record?
WARNING: record? already refers
You can use proteus with a while loop and be as imperative as you like,
however, I think the point of 4clojure is to learn the functional approach
to solving problems(I do not really advocate one over the other honestly;
multiparadigm ftw)
On Thursday, March 20, 2014 4:35:14 PM UTC-4, Andy
Are you sure it's pulling the last tools.analyzer version?
That warning has been disabled by this commit in tools.analyzer
https://github.com/clojure/tools.analyzer/commit/89d98b688448fe3d02bcabea240bcb2f6d2bbd70
which is two months old
Nicola
Sean Corfield writes:
Thanx for Eastwood - it's a
Adrian Miron writes:
I'm starting to use om in some projects and one of the first components I
had to build was a simple notification component. It shows a message at the
top of the page. Other components in the page will use it to display
messages when errors happen.
My idea was to
On Thu, Mar 20, 2014 at 5:57 AM, Adrian Miron adrian.miron...@gmail.comwrote:
I'm starting to use om in some projects and one of the first components I
had to build was a simple notification component. It shows a message at the
top of the page. Other components in the page will use it to
I tried to implement perfect functional shuffle in Clojure as outlined in
http://okmij.org/ftp/Haskell/perfect-shuffle.txt
This is purely for educational purposes as I am learning Clojure (so please
don't be too hard on me if I did something silly)
The code:
Hello,
New release for Counterclockwise.
With this release of Counterclockwise, Leiningen projects are automatically
started by Leiningen itself. not by some Counterclockwise code trying to
mimic / understand leiningen project.clj.
This means you can Run as ... and you will get everything
https://github.com/stch-library/dom
Add the following to your project dependencies to use:
[stch-library/dom 0.1.0]
BTW, I'm currently looking for work as a Clojure developer. If you like
what you see, please hit me up.
David
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You received this message because you are subscribed to the
Hi Andy,
I think Mr. Reeves gave you some excellent reasons to avoid using local
mutable state, especially when trying to learn functional programming. If
you're interested in seeing a spoiler for 114 you can look at one approach
below (if you don't want a spoiler, then close this tab
Sean, which version of Eastwood are you using when you see those warnings
about record? Eastwood output has a line like this near the beginning of
its output that should verify:
== Eastwood 0.1.1 Clojure 1.6.0-master-SNAPSHOT JVM 1.7.0_51
Does your project depend on the
David,
While it is a very detailed and good document, my reaction is that it isn't
an appropriate one for business to make the switch. I suspect they will not
see any value. I'm not sure what background your boss has, but if the
boss isn't into code and only cares about managing the team and the
I have couple of times run into a situation where I want to update a state
map held in an atom
and return the change, not the new value. I haven't found a good way to do
it so either I am missing
something obvious or there are more idiomatic ways to achieve what I need.
Could you advise me?
A
Announcing stch.html. A library for HTML generation that supports Clojure
and ClojureScript. Based on ideas from Hoplon. Feedback is welcome.
Full documentation and examples can be found at
https://github.com/stch-library/html.
Add the following to your project dependencies to use:
I haven't read all of your code, but note that the Haskell algorithm says
it takes a sequence of random values where the first is in the range
[0,n-1], the second in the range [0,n-2], third in [0,n-3], etc. Your
repeatedly call here:
There was a stackoverflow question recently that requested a solution for a
similar problem:
https://stackoverflow.com/questions/22409638/remove-first-item-from-clojure-vector-atom-and-return-it
One solution there is similar to this:
(defn swap*!
Like swap! but returns a vector of [old-value
On Mar 20, 2014, at 3:07 PM, Andy Fingerhut andy.finger...@gmail.com wrote:
Sean, which version of Eastwood are you using when you see those warnings
about record? Eastwood output has a line like this near the beginning of its
output that should verify:
Ugh! I updated project.clj to use
Hi Folks,
I'm a post technical PM who's fascinated by Clojure, and want to learn it, but
am having a hard time without a real project to work on. It's actually
excited me so much I'm considering hanging up my PM hat and diving back in the
programmer pool again!
My problem appears to be 1)
Hey, I provided it here: [ccfontes/hiccup 1.0.3-custom-tags] so don't
bother if you didn't do it.
Btw, it's working alright, thanks!
On Thursday, March 20, 2014 8:01:55 PM UTC, Carlos Fontes wrote:
Dave Sann
Custom tags are awesome! Just what I was looking for!
Do you have this anywhere in
I'm learning it now. In my case, we had a single Clojure programmer who's
leaving and I was volunteered to take his place. =)
So, in this case, fear is very focusing. Heh.
Fun, though. He's been giving lessons and I've been reading books, using
4Clojure, looking at a variety of different
Cool, thanks! Nice to have a project to work on, I'm sure!
Sent from my iPhone
On Mar 20, 2014, at 6:52 PM, blake.wat...@pnmac.com wrote:
I'm learning it now. In my case, we had a single Clojure programmer who's
leaving and I was volunteered to take his place. =)
So, in this case, fear
Hi Marcus,
Some great problem sites that can provide opportunities for practice:
- http://clojurescriptkoans.com/ (I think everything here is actually
Clojure)
- http://4clojure.com - make sure to turn on code golf mode and look at
others' solutions too
- http://exercism.io - get feedback from
Hi again David,
I just released lein-modules 0.2.1 that hopefully addresses your concerns:
1) Dependency symbols in the :versions map are more lenient now. You can
use either the group id or the artifact id by itself.
2) You exposed a bug where versions for dependencies specified in the
Thanks, Alex! Is it kosher to post questions about 4Clojure here? I'm stumped
on a few, and simply looking up the answer often isn't helpful... Is there a
clojure-noobs list?
Sent from my iPhone
On Mar 20, 2014, at 8:11 PM, Alex Miller a...@puredanger.com wrote:
Hi Marcus,
Some
I'm not familiar with the Java standard library and didn't find anything
matching my question on Google so here goes. From my Clojure app I need
to call an executable written in C and parse the text output within my
Clojure app. What's the standard way to call an external process and
read its
Shameless self-promotion: http://GetClojure.com is something I wrote to
hopefully help people learn Clojure. One of the primary methods I used for
learning Clojure was to do problems, like the ones Alex mentioned, read source,
and ask questions in irc. The last one is important IMO and it's the
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