Re: ANN: durable-persistence for Clojure and ClojureScript

This sort of thing is also the goal of Datacrypt & Hitchhiker trees (https://github.com/datacrypt-project/hitchhiker-tree), which are designed to be highly optimized for I/O. We've been making progress on the GC and adding new backends--it would be awesome to be able add a CLJS port too :) Bes

Re: Datomic namespaced idents question

Actually, in Datomic, the namespaces don't have any special meaning for the database itself--you can choose to use whatever namespace (or even no namespace)! Using namespaces is a convention to help you keep track of which attributes belong to which entities. We don't use a separate model layer

Re: [ANN] ring.middleware.logger - Easy Ring Request Logging

These are very useful! Thanks! On Wednesday, October 1, 2014 10:12:06 PM UTC-4, Paul Legato wrote: > > I'm happy to announce ring.middleware.logger > , which logs details > of each Ring request to a file, or to arbitrary functions you provide.

Re: [ANN] Async Ring 0.1.0

Hi Paul, Thanks for your feedback! I updated the comparison with pedestal when discussing the async queues to address this point. I am also really excited about Jet--I think that it would be a great combination with Spiral! One key difference in Spiral from Jet and Pedestal is that not only can

Re: [ANN] Async Ring 0.1.0

gt; techniques. >> >> >> Async Ring comes with many features: >> >>- Ports of most ring middleware (just ask me and I'll port your >>favorites!) >>- Beauty, a compojure & clout compatible concurrent quality-of-server >>router

Re: Strange behavior with alts! and :default in core async

uated before any operation happens)? On Friday, August 15, 2014 8:35:05 AM UTC-4, Daniel Solano Gómez wrote: > > On Thu Aug 14 19:04 2014, dgrnbrg wrote: > > You're all right--that was a cut & paste error. I meant that I see this > > behavior with alt!!, not alts! >

Re: Strange behavior with alts! and :default in core async

(println "inner-chan was not ready") >> (if val >> (println "did the put to inner-chan") >> (println "inner-chan is closed" >> >> I hope that helps. Let me know if you have any more questions. >> >> Eric >> &g

Strange behavior with alts! and :default in core async

When I use alts!, it seems that both the put and :default action run every time. I've included the code sample below: (let [inner-chan (async/chan (async/buffer 1000)) mult (async/mult inner-chan) (async/thread (while true (let [e (.take linked-blocking-queue)] (async/al

Re: http-kit AsyncChannel and clojure.core.async.impl.channels.ManyToManyChannel

The core of the matter is that http-kit's async channels are these: https://github.com/http-kit/http-kit/blob/master/src/java/org/httpkit/server/AsyncChannel.java And core.async's are these: https://github.com/clojure/core.async/blob/master/src/main/clojure/cljs/core/async/impl/channels.cljs#L

Re: Sliding Windows

We've had lots of luck with Narrator: https://github.com/ztellman/narrator It's got loads of powerful features, including realtime & batch mode, integration with core.async and lamina, windows, functions, and recursive analyses. On Tuesday, April 29, 2014 10:25:39 PM UTC-4, Paulo Suzart wrote:

ANN Major breaking public API changes coming to several ClojureWerkz projects

Is this slated for Welle too? I didn't see it mentioned. -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first

Re: dependencies from github

Voom is a Lein plugin that lets you depend on a repository and pins you to a specific commit. It also provides tools manage systems spanning multiple repos. You can find it here: https://github.com/LonoCloud/lein-voom and see the video from clojure/west here: https://m.youtube.com/watch?v=axztc

[ANN] Kria, an async driver for Riak 2

This is really exciting! One question I have is how mature is Kria? Given that riak 2 isn't yet out, I'm still curious as to what kinds of testing/burn in you've done? -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email

Re: [ANN] lein-modules 0.1.0 - multi-module support in Leiningen

Could you compare lein-modules with lein-voom? I can see that they have different features, but I'm trying get a handle on when each might be appropriate. This looks like a great tool for large projects. Thank you! On Monday, February 10, 2014 9:36:13 AM UTC-5, Jim Crossley wrote: > > Maven mul

Re: data-readers, spyscope

scope.core/print-log-detailed, spy/p #'spyscope.core/print-log} user=> #spy/d (println "hi") # On Saturday, February 1, 2014 8:12:53 AM UTC-5, Dave Tenny wrote: > > Java 1.7.0.45 > Lein 2.3.4 > Clojure 1.5.1 > > I'm trying to use https://github.com/dgrnbrg/spyscop

Re: Looking for a reference binary parsing

I have found Gloss to be a pleasure to work with, and the fact that it handles framing, arbitrary header logic, and streaming decoding made it the best choice when I was writing codecs for binary formats whose files didn't/needed to be streamed, rather than bulk-loaded. On Friday, January 24, 2

Re: clojure debugging repl

I have an implementation of this that's thoroughly integrated into vim. clojure code: https://github.com/dgrnbrg/redl vim plugin: https://github.com/dgrnbrg/vim-redl The code itself is written with core.async, and is capable of monitoring a thread, inspecting its stack while its ru

Re: .cljrc

Another great feature of Leiningen is the :injections key in project.clj. This lets you run arbitrary code on the Leiningen-managed JVM startup. I recommend this when using Spyscope, which is a debugging tool that only needs to be required before you can use it: https://github.com/dgrnbrg

How to use core.cache to store the results of expensive computations?

I've been looking through examples of usages of core.cache, and I have not been able to understand how to make a ref or atom backed cache that offers a simple API to the application programmer: I want to provide a key and a thunk, and have the cache either return me the cached value (if it's in

Re: is PG's "imperative outside-in" advice any good?

If this is something you do often, spyscope is a library I wrote to simplify this sort of investigation. You can print an expression by writing #spy/d in front of it. For more information, you can read at https://github.com/dgrnbrg/spyscope On Tuesday, October 15, 2013 10:13:58 AM UTC-4, Brian

Re: Graph API

I think that there's already a project working on this called Loom. The furthest-developed fork is here: https://github.com/aysylu/loom which appears to have protocols for graphs, bindings to Titanium (the Clojurewerkz graph DB library), visualization support, and implementations of several alg

Re: Clojure in production

We are using Clojure at Two Sigma to monitor, schedule, and optimize our cluster. On a related note, we're hiring: http://functionaljobs.com/jobs/149-distributed-systems-developer-at-two-sigma-investments On Monday, June 10, 2013 5:47:25 PM UTC-4, Plinio Balduino wrote: > > Hi there > > I'm wr

Re: "I don't feel the absence of a debugger, because I've learnt enough that I don't ever need a debugger."

I'd like to point out a similar library I wrote for Clojure called spyscope: https://github.com/dgrnbrg/spyscope With spyscope, you can write a handful of characters and get the stack frame, form, and its value pretty-printed and logged to a queue for future querying. On Thursday, M

Re: "I don't feel the absence of a debugger, because I've learnt enough that I don't ever need a debugger."

ation (like the value of the arguments to my function, or of some > other locals, that led to the error) makes the thinking a lot more > productive. > > Elsewhere on this thread: > > On May 27, 2013, at 9:36 PM, dgrnbrg wrote: > > For Vim users, I ported the debug repl.

Re: "I don't feel the absence of a debugger, because I've learnt enough that I don't ever need a debugger."

then you just need add the vim plugin and include redl in your project.clj, and use :Repl or :ReplHere to create a repl, and then use redl.core/break and redl.core/continue to use the debugger. You can find the vim component here: https://github.com/dgrnbrg/vim-redl and the Clojure component

Re: ANN: vim-redl -- advanced fuzzy omnicompletion and VimClojure-style repl with enhanced debugging features

You there are plug mappings for all the repl actions: clj_repl_enter. -- key for enter press clj_repl_eval. -- key to for evaluation in the middle of the repl (i.e. not at the end of the form) clj_repl_hat. -- equivalent to ^ clj_repl_Ins. -- equivalent to I clj_repl_uphist. -- history up clj_rep

How to import classes from a runtime-defined ClassLoader?

I am trying to include some Groovy code at runtime, which is already on the JVM's classloader path. I have succeeded in setting the groovy.lang.GroovyClassLoader with Clojure's classloader as the Thread's contextClassLoader, but I'm having troubling getting (import ...) to work. I discovered so

Re: `let` to automatically add metadata / fn names?

vary-meta slipped my mind! I've updated the gist to include it. The reason I check for IObj and IMeta is that I want symbols and other custom deftypes to recieve the metadata as well. I thought about namespacing the let-names, but for my current purposes I don't need that extra data (although I

Re: `let` to automatically add metadata / fn names?

I've written an implementation of this here: https://gist.github.com/dgrnbrg/4751473 It does incur a 2 instance check penalty (the branches should be 100% predictable, and never hurt in practice). I'm not sure if I could use protocols to further reduce the cost of the check. I'

Re: `let` to automatically add metadata / fn names?

I would find this very useful in several projects I'm working on, where the library would be able to give better information on where the error is in the user's code if this metadata was available. On Friday, February 8, 2013 12:18:54 PM UTC-5, vemv wrote: > > Given that: a) fns can have names f

Re: SIGBUS : A fatal error has been detected by the Java Runtime Environment

I've encountered errors like this when running where .jar files for the project were being loaded from an NFS share. Do you have that in your environment? The solution is to load the .jars from a local directory instead. On Monday, January 28, 2013 12:59:12 PM UTC-5, larry google groups wrote:

Re: What would you use a #[] data literal for?

You can also patch the LispReader in jvm Clojure without dropping to Java. Here's an example of that to add a #b reader literal: https://github.com/dgrnbrg/piplin/blob/master/src/piplin/types/bits.clj#L216 On Sunday, December 30, 2012 7:38:44 AM UTC-6, Ambrose Bonnaire-Sergeant

Re: Need ideas for carving project into namespaces

anized. I have used a few techniques to tie together all the disparate files. I have an approach for vars/fn from other namespaces, even if they're dynamic, and organization/readability in the face of a large API. You can find that here: https://github.com/dgrnbrg/piplin/tree/master/src/pipl

Re: ANN: Guzheng 1.2.5

Tassilo: I've incorporated this fix and rereleased as [lein-guzheng 1.4.4] (which will automatically pull in the latest guzheng). Ambrose: Guzheng works by instrumenting all code just before it's eval'ed, using Zach Tellman's sleight library, which is essentially a way to do whole program macro

Re: Using gen-class to generate methods with same names and arities but different type signatures

I ended up digging deep through gen-class, and I learned about an interesting, undocumented feature that solves this problem: You can, in fact, overload methods of the same arity on type, and here's how: Each method you define in gen-class tries to lookup a corresponding var in the impl-ns of

Re: how do I get primitive typ hints to appear in the output of a macro?

I don't think that the type hint will appear in the printed output. It is metadata, so it won't be shown by the printer. If you try (let [[_ _ [b] (macroexpand-1 '(aTest))] (meta b)) you should see {:tag long}. On Wednesday, July 18, 2012 7:55:31 AM UTC-4, john wrote: > > Hello, > how do I get p

Re: docstrings of if-let and when-let incorrect

I too assumed that if/when-let would support multiple bindings, short- circuiting if one failed, when I started learning Clojure. It seems that short-circuiting multiple bindings isn't surprising. On May 16, 10:56 am, Jay Fields wrote: > I've also attempted to use if/when-let with multiple bindin

Re: IllegalStateException in ns macro

The :refer-clojure clause has fixed my problem; however, I have 22+ symbols that I need to exclude in every namespace. Is there a way that I can ease this exclusion, as this code is a library that I'll be including in numerous files (and I'd like to have a form to simplify using it). I am not sure

Re: New release of Paredit mode for Vim with support for VimClojure repls and Map literals

n home now:https://bitbucket.org/kovisoft/paredit > Also, there have been several important bug fixes applied to paredit > in the last few months. It would be great if any improvements you've > made could make it back into the official version. > > Dave > > > > > >

Re: New release of Paredit mode for Vim with support for VimClojure repls and Map literals

I am having trouble porting my simple VimClojure support with the version 0.9.6 of the script. The integration w/ slimv's REPL appears to have increased. I'm not sure what the best course of action is, since I don't really want to continue trying to merge the codebases, and instead just fix any bug

Re: New release of Paredit mode for Vim with support for VimClojure repls and Map literals

that I've used is 0.9.3 > from November 2011.  The Greenberg version looks like it is based off a > version that was forked off from Kovacs vesrion version 0.8.0 from April > 2011. > > Have any of the differences between 0.8.0-0.9.3 been merged into this > branch? > > >

Re: Persistent collections and garbage collection

It seems to me that a generational collector would have problems collecting Clojure's garbage production pattern. Luckily, the oracle/ hotspot jvm has a continuous collecting compacting GC called G1. That should mitigate oldspace collection latency spikes. Enable with -XX: +UnlockExperimentalVMOpti