Re: Question about Responsiveness of Garbage Collection

:+DisableExplicitGC is because some software authors try to be smart and insert System.gc() calls at appropriate points. They tend to fail, so if you select a GC that actually does handle your case with minimal pauses you also want to disable the artificially induced full GC:s. -- / Peter Schuller

Re: Exception handling functional style

(such as read-line). -- / Peter Schuller -- 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 post. To unsubscribe

Prepping clojure for packaging (was: Re: Clojure for system administration)

the case is with Python and Ruby. I'd be interested in looking into getting some kind of draft implementation of this, if people think it's a good idea (though I can't make time commitments - busy busy busy). -- / Peter Schuller -- You received this message because you are subscribed

Re: Prepping clojure for packaging (was: Re: Clojure for system administration)

demands are imposed on the blackbox in order for it to play nice with the packaging infrastructure. At this time I haven't thought this through enough in the case of Clojure to offer a practical suggestion that does not involve system-wide library paths. -- / Peter Schuller -- You received

Re: Prepping clojure for packaging (was: Re: Clojure for system administration)

with in the Maven community? -- / Peter Schuller -- 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 post. To unsubscribe

Re: Prepping clojure for packaging (was: Re: Clojure for system administration)

of not downloading during build. One should probably look into doing something similar for other packaging systems then. Guess I need to bite the bullet and learn Maven ;) -- / Peter Schuller -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group

Re: another concurrency question: could there be contention for allocation (consing etc.)?

will have changed since the original publications of the papers, but they should offer good insight. -- / Peter Schuller -- 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

Re: code review request: clojure.java.io

clojure). -- / Peter Schuller -- 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 post. To unsubscribe from

Re: code review request: clojure.java.io

). The simplest fix (assuming everyone agrees it's a problem) is to simply change it not to, but I suggested the option to allow for both - but the default should presumably be to *not* follow symlinks. -- / Peter Schuller -- You received this message because you are subscribed to the Google Groups Clojure

Re: code review request: clojure.java.io

to confirm it. In that case, I suggest putting a huge warning in the documentation at least, as to the potential destructiveness of the operation. (Ant's trick with canonical names feels shaky in the context of something as general-purpose as delete-file) -- / Peter Schuller -- You received

Re: How do I run a script? This has me stumped.

/local/share/java/classes/clojure.jar clojure.main test.clj test -- / Peter Schuller -- 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

Re: How do I run a script? This has me stumped.

not valid clojure, or was it just an empty file? If the latter, no output is expected, as you point out. -- / Peter Schuller -- 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

Re: Why is JLine better than just command-line?

used to primarily sitting at the zsh command line,I would not be able to use the plain REPL without it or I'd go nuts ;) -- / Peter Schuller -- 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

Re: Actors not good for concurrency model

means to avoid deadlock, meaning that while you will not deadlock in the message passing system you can cause memory exhaustion. Disclaimer: While I've played with erlang I'm not really that into it, please correct me someone if I've misrepresented anything. -- / Peter Schuller -- You received

Re: Actors not good for concurrency model

. The claim is rather that the intended fundamental model implemented by an actor is not one of shared mutable state. -- / Peter Schuller -- 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

Re: Actors not good for concurrency model

, with the originally posted article. -- / Peter Schuller -- 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 post

Re: promoting contrib.string to clojure, feedback requested

the perl (or whatever the original is) precedent from chomp/chop, there is precedent for trim/left trim/right trim too. What *would* one call trim/ltrim to make them consistent with chomp? -- / Peter Schuller -- You received this message because you are subscribed to the Google Groups Clojure group

Re: question about agent implementation

() itself keeps itself running until it manages to empty the queue, at which point a future enqueue() will once again re-start execution. -- / Peter Schuller -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure

Re: question about agent implementation

Unless I am misunderstanding the context in which the code runs, I Which I was. Please ignore my previous post (sorry, think before I post... think before I post...) and consider me joined in the OP's question. -- / Peter Schuller -- You received this message because you are subscribed

Re: question about agent implementation

to great effect.) -- / Peter Schuller -- 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 post. To unsubscribe from

Re: question about agent implementation

(), allowing it to determine whether or not it was responsible for such a state transition, in which case it schedules the action for execution. -- / Peter Schuller -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email

Re: java -server

recommentation for GUI:s... I never got that. I prefer just running with -server and perhaps turning on CMS/G1. Maybe if I were severely memory constrained...) -- / Peter Schuller -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group

Re: Quick question

Does anybody know how I can produce a sorted-set from a list without overflowing the stack on a list of up to 20 items? I'm thinking I must be misunderstanding the question, but (apply sorted-set lst)? -- / Peter Schuller -- You received this message because you are subscribed to the Google

Re: Quick question

about the intent. -- / Peter Schuller -- 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 post. To unsubscribe

Re: Why does clojure-http stores cookies in a ref instead of an atom

that eliminating the overhead associated with a ref can be considered an irrelevant overhead. -- / Peter Schuller -- 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

Re: Miscellaneous noob questions

/syntax-and-semantics.html -- / Peter Schuller -- 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 post

Re: Enhanced Primitive Support

And that should install (although it does so very silently) clojure into your (user) local maven repository: ls -ltr ~/.m2/repository/org/clojure/clojure/1.2.0-master-SNAPSHOT -- / Peter Schuller -- You received this message because you are subscribed to the Google Groups Clojure group. To post

Re: slow raw io

, some performance for FreeBSD 8/x86-64 with: openjdk6: 15 seconds slurp, 3.0 seconds slurp2 openjdk7 (fastdebug): 14.5 seconds slurp, 2.0 seconds slurp2 And slurp2 as a function of buffer size (single run each): 1: 17.8 seconds 128: 2.92 seconds 1024: 2.88 seconds 4096: 3.12 seconds -- / Peter

Re: slow raw io

or not, but in any case I think it is good default behavior to always strive to do I/O chunk-wise, regardless of whether the expectation is that the underlying stream is fast (for some definition of fast). -- / Peter Schuller -- You received this message because you are subscribed to the Google

Re: How does contains? work?

if you consider that lists are not functions of indexes (while vectors and java arrays are). -- / Peter Schuller -- 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

Re: slow raw io

are there on the fact that I wrote 'scode' on the contributor agreement I mail:ed Rich? -- / Peter Schuller -- 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

Re: slow raw io

I can register another account (no problem), but what implications are there on the fact that I wrote 'scode' on the contributor agreement I mail:ed Rich? I just registered peterschuller. -- / Peter Schuller -- You received this message because you are subscribed to the Google Groups

Re: Clojure's n00b attraction problem

/ruby situation is not very good there unless you're heavily into cygwin or something. -- / Peter Schuller -- 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

Re: Time/size bounded cache?

, but if it matters to you do have it be persistent/immutable... -- / Peter Schuller -- 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

Re: The non-Enclojure Clojure plugin homepages are all rather hard to find.

. Take it with a grain of salt. But know that I'm speaking *as a developer*, just not as a developer *of those things* that I am trying to find/use/read about. -- / Peter Schuller -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group

Re: The non-Enclojure Clojure plugin homepages are all rather hard to find.

FYI, the main page of ccw is manually maintained and contains up to date information wrt current plugin status. That's maybe why you didn't have to /specifically/ complain 'bout ccw itself ;-) Yes, it seems more obviously maintained than most :) -- / Peter Schuller -- You received

Re: java 7

case (but I am certainly no expert here). Would not multimethods be the main candidate for invokedynamic? -- / Peter Schuller -- 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

Getting clojure projects into maven central - aot vs sources, -javadoc and -sources artifacts

://docs.sonatype.org/display/Repository/Sonatype+OSS+Maven+Repository+Usage+Guide -- / Peter Schuller -- 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

Re: Getting clojure projects into maven central - aot vs sources, -javadoc and -sources artifacts

, -- / Peter Schuller -- 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 post. To unsubscribe from this group, send

Re: minor pauses

* GC kicking in -XX:+PrintGC -XX:+PrintGCDetails -XX:+PrintGCTimeStamps Will tell you immediately. A couple of hundred ms seems very very plausible for GC. What is your target/desired maximum pause time? -- / Peter Schuller -- You received this message because you are subscribed

Re: minor pauses

it. -- / Peter Schuller -- 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 post. To unsubscribe from this group, send

Re: Clojure 1.2: Unicode string length bug?

being, say, shift_JIS or something which is then interpreted as, say, UTF-8 and luckily/unluckily not failing, instead producing a valid unicode string of length 27. -- / Peter Schuller -- You received this message because you are subscribed to the Google Groups Clojure group. To post

Re: Clojure 1.2: Unicode string length bug?

I'm on Snow Leopard. I think there's something wrong with Terminal So my guess is that for some reason the terminal is not using the same encoding as whatever is expected by Java (presumably Java looks at LANG and friends). -- / Peter Schuller -- You received this message because you

Re: Benchmarking clojure code

, but I think it would be a good thing to have in cases where one might now otherwise use (time ..). -- / Peter Schuller -- 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

Re: Benchmarking clojure code

WIth regards to benchmarking that accurately discounts loop overhead; it seems to me that even if you apply elaborate logic, if the thing you're benchmarking is so small that looping overhead becomes significant, you risk making the benchmark subject to subtle variations anyway, -- / Peter

Re: Benchmarking clojure code

. I started writing something and meant to discard it, but accidentally hit send... -- / Peter Schuller -- 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

Re: Link to API document in the cheat sheet

I don't disagree that links would be useful, FYI you can usually just do: (doc X) The exception seems to be special forms which give references to the web site. -- / Peter Schuller -- You received this message because you are subscribed to the Google Groups Clojure group. To post

Re: auto-indent in Counterclockwise

used it enough to have a good feel for it. So my input above comes mostly from a general perspective. -- / Peter Schuller -- 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

Re: Idiomatic Clojure namespace names

*while* also meaningful, structured and non-clashing. +1 for clojure :) -- / Peter Schuller -- 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

Re: ANN: Aleph, an asynchronous web server

of stack sizes and in terms of switching overhead). In other words, the day where having a few hundred thousand concurrents connections does *not* imply that you must write your entire application to be event based, is when I am extremely happy ;) -- / Peter Schuller -- You received this message

Re: ANN: Aleph, an asynchronous web server

and complexity of the system grows? -- / Peter Schuller -- 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 post

Re: Building mixed clojure and java code

. -- / Peter Schuller -- 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 post. To unsubscribe from this group

persistent LRU cache (request for input)

))] ...) Instead of every potential caller having to do mostly the same thing anyway. What do you think? -- / Peter Schuller -- 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

Re: persistent LRU cache (request for input)

would provide a side-effectful interface as its primary interface, but with the specific ability to produce a persistent snapshot. -- / Peter Schuller -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure

Re: persistent LRU cache (request for input)

structures though, with a similar inappropriateness for a functional interface, where full participation as a persistent data structure with respect to STM would be desirable. -- / Peter Schuller -- You received this message because you are subscribed to the Google Groups Clojure group. To post

Re: IDE agnostic question on user assistance (emacs/vimClojure users help appreciated too !)

-typing lots of stuff (while clearly not preserving actual state other than history)? -- / Peter Schuller -- 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

Re: IDE agnostic question on user assistance (emacs/vimClojure users help appreciated too !)

on. -- / Peter Schuller -- 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 post. To unsubscribe from this group, send

Re: Aleph and Conjure

You can build a scalable app with Conjure on Jetty.  You don't need an evented server like Aleph or node.js to build a scalable app. Depends on what you mean by scalable. If you want to keep 250 000 concurrent mostly idle connections, you'll likely want to be event based. -- / Peter Schuller

Re: Aleph and Conjure

relevant to point out that no, clojure doesn't inherently get you massive concurrency even if you can most definitely do threading/asynch mixing with clojure like with most languages. -- / Peter Schuller -- You received this message because you are subscribed to the Google Groups Clojure group

Re: filtering with multiple predicates

Is there a more terse way to express the same thing?  I suspect there is a mechanism similar to (or perhaps a generalization of) composition for that, but I couldn't find it in the API docs. http://stackoverflow.com/questions/2822140/function-composition-clojure -- / Peter Schuller -- You

Re: java.lang.OutOfMemoryError

there will be the non-lazy return value of Pattern.split() in memory. Also, is it considered idiomatic to rely on lazyness in cases like this, anyone? -- / Peter Schuller -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure

Re: java.lang.OutOfMemoryError

only apply to the list of list that concat is supposed to be concatenating; the contents of *those* lists would still be lazy (if the original list was lazy to begin with). -- / Peter Schuller -- You received this message because you are subscribed to the Google Groups Clojure group. To post

Re: java.lang.OutOfMemoryError

to its head, will result in memory use similar to that which you may have expected if the data structure was not lazy to begin with. -- / Peter Schuller -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure

Re: fast development through clojure repl

: http://tromey.com/elpa/ There is something similar for vim (I'm sure a vim user will chime in). If you're rather looking for overall workflows/program structure/best practices etc - good question. :) -- / Peter Schuller -- You received this message because you are subscribed to the Google Groups

Re: Why no tail call optimization

impacts which aren't fixed by just avoiding allocation as is mentioned in the erjang wiki page. Or is this over-stating the problem? -- / Peter Schuller -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure

Re: Programming Clojure: Snake: update-positions: What does the do do here?

move) it simply returns nil or some value associated with that key). -- / Peter Schuller -- 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

Re: java.lang.OutOfMemoryError

was not able to trigger any memory use beyond what I expected. Do you have a self-contained fully working example that you can point to (preferably with your actual data files + code, but otherwise just the code)? -- / Peter Schuller -- You received this message because you are subscribed

Re: slow raw io

cache locality, etc). (Note that I'm not arguing the point of whether or not it should be committed before 1.2, but I'm genuinely interested in why not reading one character (or byte) at a time would be a controversial change.) -- / Peter Schuller -- You received this message because you

Re: Game development in Clojure

is higher the lower the pause time goal you specify. An starter command line to play with (preferably with jdk 1.7) might be: -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:MaxGCPauseMillis=15 -XX:GCPauseIntervalMillis=20 -- / Peter Schuller -- You received this message because you

Re: Clojure 1.3: Integrating clj-stacktrace?

+1 on improving stack traces (though I haven't had experience with clj-stacktrace, other than what I have read on this list). -- / Peter Schuller -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clojure

Re: Some programs require much more memory in Clojure 1.3 alpha1

at the heap size after a full collection. -- / Peter Schuller -- 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

Re: Python is way faster than Clojure on this task

in terms of time spent doing GC that the JVM throws an exception, yet bad enough to cause very frequent full GC:s at considerable cost in CPU time.) -- / Peter Schuller -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email

Re: Python is way faster than Clojure on this task

For 30 second worth of calculations, this doesn't look to bad to me. If that was for all of the 30 seconds then yeah, GC is not the issue. -- / Peter Schuller -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email

Re: Python is way faster than Clojure on this task

), but the need to do so tends to be over-stated in my opinion. But if I'm missing something I'd like to know about it :) -- / Peter Schuller -- 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