I can't remember if someone posted this already, and the thread is too long and
I am too lazy to go back and check, so I apologize if it's already been
mentioned.
Anyway, I found this talk very helpful when I started learning Clojure, getting
used to data-oriented thinking:
http://www.infoq.co
I recently ran into the & args issue as well. I'm sure I read about when I was
learning clojure, but it's easy to forget.
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Eric Normand has an interesting article on this here:
http://www.lispcast.com/core-async-code-style
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Colin - I'm just curious if you have any experience with Jetbrains MPS? I was
into it pretty heavily before I got into Clojure, and I've thought a lot about
how to add support for Clojure to it (would be pretty straightforward,
actually), but haven't had the time to pursue it or the conviction
Seconding the recommendation for the Clojure Gazette. If you aren't subscribed
already, just do it. It's a fantastic resource, and I am very grateful for
Eric Normand and the tireless effort he puts into it.
On a side note, I had the pleasure of meeting Eric at the Conj, and he is one
of the
Cool, I'll give your fork a try. I've been using lein-shell to just run sassc
directly, but it's annoying because sassc bombs if the target folder doesn't
exist.
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I know it seems overwhelming, and if you try to keep up with all the latest
"cool" libraries,
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My evolution is similar to Colin's, with more SWT than Swing. And I
understand where you're coming from - did Java for 15 years and C++ before
that. I didn't even really learn about functional programming until about
3 years ago, and after an aborted dive into learning Scala I switched to
Clo
I completely agree that the order of arguments is backwards - precludes the use
of 'partial'.
Other than that, good job. Very clever idea.
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I haven't had a chance to really dig into Pedestal yet, but Ryan Neufeld did a
video sometime back that really opened my eyes to how Pedestal works:
http://youtu.be/sFT_0v-iKVQ
Pedestal is primarily focused on letting you provide your services (RESTful or
otherwise) while still providing some
Forgot to mention, as far as raw performance/latency of HTTP servers go, you
can find a comparison here:
https://github.com/ptaoussanis/clojure-web-server-benchmarks
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I can say from experience that it's quite a bit easier to use component from
the beginning than to retrofit it, plus it solves the problem of controlling
startup order quite nicely (among others). If you're planning on using
component anyway, you might as well bite the bullet and start with it
Deon,
This is outstanding. I experimented with a similar approach last summer, but
struggled with a couple of things. First was what to use for the event store.
I considered a few options, like using Datomic for that as well (I.e. annotate
transactions and treat the sequence of transactions
This is the first new Clojure book that has looked interesting to me in some
time. I just picked it up, I'll let you know my thoughts when I've had time to
read through it.
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There is value in comparing approaches, minus the personal attacks. I would
suggest starting a different thread, though.
Bringing this back to the original topic - I'm about 25% through the book, and
it is really good so far. Thank you Leonardo for writing what so far appears
to be a very tim
You also might want to check out this talk http://youtu.be/YHctJMUG8bI
In part of the talk, he describes how they generate symbols deterministically
to use in query fragments that can be predictably combined into Datomic
queries. Different application, but mostly the same requirements as you st
I've been waiting for this since the Conj, and so far it has been worth the
wait.
One thing that impressed me right off the bat was the amount of content - 300
pages in this beta version. A pleasant surprise considering the recent trend
of "early access" books that only have 2-3 chapters compl
Yeah, I noticed my mistake after I posted. I regularly use the kindle app and
iBooks and I forgot how they represent page numbers differently.
So I'll use a different, more appropriate metric - AIDKT's (Ah, I didn't know
that). About 30% of the way through the book, and I'm registering 3-4 AID
Have you considered node.js? It's fantastic for building web services, very
easy to deploy (Heroku), and should scale well enough that most startups won't
outgrow it (and if you do, that's a very good problem to have).
You can still build your app using Clojurescript, either for the entire thin
Cognitect (and previously Relevance) always seem to have openings for
contract Clojure developers. I was wondering if anyone here has applied
for and/or actually been hired for one of these positions, and was willing
to share their experience?
I have thought about the possibility of being a co
Thanks for the feedback.
Resume updated - check
Cover letter written - check
Email sent - check
Ego intact - pending
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David,
This seems to be a different take on things than you proposed in your
series of CSP articles last summer. I'm not saying that is a bad thing -
if an idea doesn't pan out, it needs to be scrapped (and most of us cling
to bad ideas longer than we should). I'm just curious why the change
Thanks for the clarification, that helps a lot. And I agree you wouldn't
expose channels in the public API for a component, that's definitely an
implementation detail.
I have more ideas/questions on the topic, but I don't want to hijack this
thread, and I probably need to spend some more hammo
I'm in the early stages of developing a real-world app for a customer that will
use a full clojure stack. It's maybe not as sexy as all the social networking
examples you see, but I think it's more representative of the types of apps
most people write to satisfy real business needs.
The app is
Yes, it's just me. Crazy, right? Like I said, I wouldn't even have attempted
it without the productivity gains I've seen since I've started using clojure.
Fortunately, the customer isn't in "we need this yesterday" mode (a refreshing,
but rare, circumstance).
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Great timing on the new blog post. I'm ramping up on my first "real" clojure
app, and have been planning to use Component for this piece. I read the first
blog post yesterday and it sounded interesting, but I've pretty much locked
down the stack I'm going to use (you can evaluate libraries for
Welcome aboard! Fasten your seatbelt, it will be a wild (and exhilarating)
ride. I'm still relatively new, but I've learned enough to know that clojure
(and clojurescript and Datomic) are what I need to be focusing on. Besides all
the other benefits, it's just plain fun. I haven't had this m
It's almost cliche to say it, but you really do get used to the parenthesis.
Once you do, you won't give it a second thought, and for me at least, it's the
other languages that start to look "weird" with their irregular syntax. And at
least one a week I catch myself writing "(if ..." or "(for
Lots of people use it, including me. I don't think it's a bad choice for
beginners at all.
The conventional wisdom seems to be that you will end up learning emacs
eventually if you spend any amount of time doing clojure or lisp, so you might
as well learn it from the start. That is definitel
Sean - funny, I used Together/J when it first came out, way before Borland
bought it. It's been a long time, but I remember being quite enamored with it
as well. It was certainly ahead of it's time.
Then we switched to Visual Age for Java, which was pretty cool at first. Until
it corrupted i
In addition to heroku, there is Amazon Elastic Beanstalk, which lets you deploy
a WAR file on EC2 without having to setup the infrastructure yourself. Both
are great ways to go.
I lean towards using Heroku for it's simplicity, but Amazon makes sense when
you need to use other Amazon services
I know they also have Mongo and Neo4j available on Heroku, but neither of those
are supported as a Datomic back end. Postgres will work with Datomic just
fine, though. The only hitch with Heroku is that I'm not sure how to go about
deploying a transactor. Maybe someone has done it and blogged
What's "killer" about clojure is not an app, but an idea. Simplicity.
Everything else stems from that idea. Immutability, decomplecting, data first,
consistent abstractions - all the things we like to talk about in clojure are
really about simplicity. It's about getting all the crap out of y
I'm glad Daniel mentioned Enlive, because it's a great example of something
that AFAIK is completely unique to clojure. It was one of the first libraries
I dove into when I started with clojure, and I was blown away. It is such a
logical approach to templating that seems so obvious in hindsigh
1. In its simplest form, EDN is just clojure data literals. So for simple
cases like configuration, just use a map:
{ :database-uri "some-uri"
:another-param "some value"
:debug-mode true }
2. You can use clojure.java.io/resource to access resources, but for config
files you usually don't
Marcus - are you planning on going? This will be my first Conj, and I'm going
no matter what it takes.
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Found the project I lifted my config code from, it's this one:
https://github.com/bellkev/dacom
Look through that, it should give you a good starting point. If you still
have questions, feel free to ask and we'll try to help.
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I've used Intellij on Arch and Ubuntu, so I know it works on those (or at least
it did - I switched to a Mac 18 months ago).
Intellij runs on the JVM, so it should work on any distro in theory. JetBrains
has a good knowledge base and forums on their site, so you can probably find
details on co
Yeah, JoC is my favorite clojure book, but I agree it's not the best to start
with.
Let me throw a couple others into the mix that haven't been mentioned yet. If
you come from a solid OO background, I highly recommend Brian Marick's book
"Functional Programming For the Object Oriented programm
This sounds similar to what the Cognician guys are doing.
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Pedestal was developed by Cognitect and I would assume they use it on many of
their consulting projects. Since future support appears be a major concern for
you (rightly so), Pedestal probably fulfills that requirement better than
anything else out there right now. Even if you don't need all t
Wow, lots of cool projects to look forward to. Congrats to all the GSoC
students, and thank you to all their mentors.
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Pedestal-app is pretty much dead, but pedestal (service) is alive and well,
and that is what I was talking about.
I know some people were upset when pedestal-app was put on hiatus, but I look
at it a different way. Libraries like react (and its clojurescript
counterparts) are changing the wa
One thing to keep in mind since he's using Datomic - there is currently no way
to restrict access to the transactor, so it needs to be run behind a firewall.
This can be done easily on AWS by creating a VPC where only the peer is exposed
to the net.
Outside of AWS, you're pretty much on your o
There's a library for that - https://github.com/technomancy/robert-hooke/
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Very cool. Is there a public REST api?
I ask because I'm thinking a lighttable plugin that uses this to search for
dependencies and automatically add them to project.clj would be pretty easy to
write and quite useful. Yes, I could use clojars directly, but this would
allow more options in the
I think he mentioned he was using tools.analyzer.
I would also be interested in seeing the source. Pairing this with codeq could
be interesting.
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Just a note - juxt/jig isn't being maintained, and has been replaced by
juxt/modular. Modular is based on Stuart Sierra's component library, and
mainly consists of several pre-built components and some nice helpers for
wiring and configuring components. It also plays well with juxt/ceylon, whi
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