I feel like I'm missing out on this. It sounds very cool, but I'm not sureI
understand the use cases whereI should reach for it. Can you speak of what kind
of use case you can use rete and r4j for?
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Okay, that was a deadend. After going through line by line, I could pretty
well rule out any kind of Exception or Error. The first row from the
database seems to go through all of the functions perfectly, without any
errors. But the second row never gets called.
Which takes me back to where I
Once again, my lack of knowledge of Java trips me up. Manifold relies on
Dirigiste, which relies on Java's Executor Service. I see a bit here:
http://www.nurkiewicz.com/2014/11/executorservice-10-tips-and-tricks.html
Nurkiewicz writes:
"I got bitten by that too many times: it won't print *anyth
We use New Relic. For our web apps, it automatically tracks request
counts/times, database access for MongoDB and MySQL, plus external HTTP API
access. We also trace certain aspects of the code – documented in this blog
post:
http://seancorfield.github.io/blog/2013/05/01/instrumenting-clojure-f
Hi Frank,
Chatbot is a bit of a loaded term, so could you please give a bit of
clarification?
1. Are you expecting natural language (spoken or text), or
rigid/regex-based commands for user input?
- If NL,
- do you want to leverage an existing service for intent
c
By the way, this code works fine if I go into a (doseq) a level above
enqueue, and then put each individual row onto the stream. Then the code
loops over all of the rows. But that seems to defeat the whole point of
using something like Manifold. I want to be able to put the whole lazy-seq
on th
I'm using Zach Tellman's excellent Manifold library, though I admit I don't
fully understand it.
My code queries a MySQL database and then needs to do some processing on
each row retrieved. I copy-and-pasted some code from the documentation for
Manifold:
;; 2017-07-10 -- we want a thread po
On Mon, Jul 10, 2017 at 1:35 PM, Luke Horton
wrote:
> This is probably not clojure specific, but it’s a problem for which i’ve
> never really found a satisfying in other languages. Maybe clojure has a
> better opinion on the matter?
>
> How does one evolve/change data (entities) in a system over
In Domain Driven Design, the domain model is the part which should be made
to change the least, which is why getting is right is important, and more
design time should go into it (often it receives the least amount of
thought). The whole concept of DDD is based around this axiom, that
changing
And for good and ill, being hosted means that some of the semantics are
affected by the host language. There is a discussion of differences between
Clojure and Clojurescript here
https://www.clojurescript.org/about/differences and I'm sure there's a
similar set for differences between Clojure on th
We have a series of blog posts in the queue that outline several major
enhancements to the ClojureScript compiler that will be available in the
next release. This is the first one in the series:
https://clojurescript.org/news/2017-07-10-code-splitting
Enjoy!
David
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Hi,
Here's how I would summarize it:
- Common Lisp = big standard, very old, unlikely to change in the future,
complex and powerful object system, several implementations, almost all
mature and efficient, has some quirks with historical roots
- Scheme = small standard, also very old, changing bu
Yes, calls to ! could be written with continuations, or call/cc,
but they are not implemented that way. Instead the code inside the body of
the `go` macro is rewritten into a statemachine. This sort of rewrite is a
lot like the rewrites that C# does for yield, and Cython does much of the
same sort
Hi,
Pardon the ignorance, I was just rewatching Rich Hickeys talk about
core.async, and realized that the await call is actually a continuation
(like call/cc from scheme). And if I am not mistaken, you can't implement
call/cc with macros, so I suspect there is a difference, but I fail to see
i
Per some recommendations on clojurians #clojure channel:
- namespaced keys and addition over destruction
- generally keep your data as flat as possible
- finicky nested over "organized" data models are magnets for repeated
restructures into a new "better, more organized" structure
On Monday, Ju
I find it funny that Clojure strongly believes that static types aren't worth
the effort in most cases, but somehow the effort of adding generative testing
is.
I think it's great to encourage people to use generative testing, but I'd
rather it be à la carte, like most other things in Clojure. O
This is probably not clojure specific, but it’s a problem for which i’ve
never really found a satisfying in other languages. Maybe clojure has a
better opinion on the matter?
How does one evolve/change data (entities) in a system over time without
also having to change every piece that touches
Thanks but that wasn't what I was looking for. I thought I saw a library
which would serialize arbitrary EDN to Datomic datoms and would deserialize
back to the EDN form. Evidently, I dreamt it. I did
find https://github.com/zcaudate/spirit which is kind of close.
On Monday, July 10, 2017 at
Hi,
Is anyone building chatbots in Clojure?
OR can someone point me something to start with?
Clojure newbie here :)
thanks 🙏
Frank
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Note th
Strongly recommend Riemann and some kind of abstraction layer to avoid
wrapping the code with macros. You may take a look at something I tried
to implement:
https://github.com/mbuczko/metrics-riemann-reporter
Łukasz Korecki writes:
> Hi all!
>
> I'm wondering how people are getting application
Hi,
Update to r4f-pro project: https://github.com/rururu/r4f-pro
Integrated Development Environment for
[rete4frames](https://github.com/rururu/rete4frames) rule engine and expert
system shell based on [Protege-3.5 ontology
editor](http://protege.stanford.edu) supplemented with visual creation
Mark,
Are you looking for https://github.com/Datomic/fressian?
Ivan Willig
On Sat, Jul 8, 2017 at 9:37 PM, Mark wrote:
> My Google fu fails me. I recall a clojure library that will serialize
> arbitrary edn structures and store it in Datomic but I can't find it now
> that I need it. Anybody r
You can try with Riemann (http://riemann.io) as it has few JMX collectors.
Also, there is riemann-clojure-client
(https://github.com/riemann/riemann-clojure-client)
that can be integrated with your application to pull custom metrics.
It requires some knowledge (scripting is done in Clojure) to c
It might be worth including a discussion about when to use this library,
and perhaps indicating that using it might not be a best-practice.
:ret and :fn specs were originally validated by instrument, but this
feature was removed because Rich et al thought it redundant, and that there
were differen
Hi all!
I'm wondering how people are getting application performance metrics out of
their clojure applications?
My team is using a combination of collectd for machine/os metrics and
statsd instrumentation for application level code (RabbitMQ consumers, http
handlers etc).
All of that data is se
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