I wrote an experimental PPTP VPN server in Node. Why? We may never know.
Anyway this was part of a larger personal project and I ultimately decided
to swap this component out for a solution involving routing tables and
tun/tap instead. Figured there was a small chance someone would get some
use
Why hasn't anyone posted --max-old-space-size=size in MB yet? Just do
that w/ 8192 for instance, for 8gb.
On Thu, Aug 22, 2013 at 1:48 AM, NStal Loit nstalm...@gmail.com wrote:
Thank you peter, C++ binding is another choice I would consider, if I make
sure it's hard to remove v8 heap limit
Even the current generator/yield implementations are essentially
accomplished via CPS transforms.
This is untrue. Fibers uses a new stack and a long jump. Haven't looked at
the implementation for generators in v8 but I'd be surprised if it was
anything more exotic than a stack frame allocated on
We were running it in callbacks mode before and we switched to
fibers-fast mode recently. It made a big difference: the application is
now 5 times faster and it uses 2 or 3 times less memory!!
Niice. I had a strong feeling that would be the case. Sometimes
powerful tools have to be dangerous
Mikeal correct me if I'm wrong as I haven't thought about it that much, but
even with ES6 generators a function *must* run to completion before a turn
of the event loop unless it's explicitly marked as a generator itself
(function*). This isn't a guideline but a technical limitation as
generators
I think the distinction between *doing* node and *using* is good call. I
wrote a tampering HTTP proxy server in node; I used streams and callbacks.
I wrote a web application with lots of waiting on database and filesystem
chatter; I used fibers w/ futures.
On Sun, Apr 28, 2013 at 11:22 PM, Bruno
I'm rolling in my grave.
On Wednesday, April 24, 2013, greelgorke wrote:
where's the fibers guy? :D
Am Dienstag, 23. April 2013 22:31:57 UTC+2 schrieb azer:
I wrote a guide for defining async values previously;
https://github.com/azer/**declarative-jshttps://github.com/azer/declarative-js
You need to grab a Persistent handle, not a Local one. Local handles are
only valid in the current scope, once the current HandleScope unwinds the
handle is invalid. In the case of threads, this is what you are running
into.
Your problem can be fixed as easily as doing:
PersistentValue handle =
https://github.com/laverdet/node-fibers
(only slightly trolling)
On Sat, Mar 30, 2013 at 3:49 PM, Mark Hahn m...@hahnca.com wrote:
node has had generators since early 2011
Reference please?
On Fri, Mar 29, 2013 at 9:22 PM, Marcel Laverdet mar...@laverdet.comwrote:
?_? node has had
?_? node has had generators since early 2011.
;) ;) ;)
On Fri, Mar 29, 2013 at 9:53 PM, Bruno Jouhier bjouh...@gmail.com wrote:
Good news!
For us the migration be a one line code change! Will be interesting to
compare the performance between generators and callbacks.
Bruno
On
Dude. Type `function () {} ()` into a browser console and hit enter.
That's my point. It's an error. That's why I say it's not equivalent. You
MUST have the parens.
I hate to be that guy but you really need to read the spec. It's not just a
joke that people say, it's actually really quite
It is fairly tricky, all things considered. It's one of
two syntactic ambiguities in the language that are, rather
unconventionally, resolved with a one-off rule. Basically the rule here is
that no statement may begin with a FunctionExpression. Consider that:
This works:
foo();
function foo(){};
This doesn't do too much to demystify anything, imo.
Now how that works... I have no idea, but I do believe that it's more
aesthetic and so that's how I write my code. I won't argue if you feel
differently.
It works because (foo)() is identical to foo().
The only reason that that even works
Sorry if I was unclear but I'm asking about specific use cases, i.e. what
are _you_ going to use it for?
I think this is one of those cases where the potential uses are actually
fairly clear and non-theoretical. For instance, I built a quick dirty
version of Facebook's Haystack service in Node,
My race condition would like to have a talk with you.
On Sat, Feb 2, 2013 at 9:37 PM, Paul Vencill paul.venc...@gmail.com wrote:
I wouldn't do the try..catch at all, I'd just do a fs.exists(..) call to
see if the files were there before requiring them.
On Wednesday, January 30, 2013 5:45:01
I've not heard of Harmony proxies but I'll take a look and see what
you're suggesting.
You really should. They basically give you catch all methods on objects
which would let you make an API that more closely resembles the simplicity
of Mumps that you're going for. Here's the operations you
I can't say your suggested Harmony proxies look any more natural to me
than the APIs I've suggested - maybe I'm missing something.
Well, this:
var desc = patient.$('conditions').$(0).$('description')._value;
Could just be this:
var desc = patient.conditions[0].description;
And the whole
('curl', [url]) over the monkey patch.
On Tue, Jan 8, 2013 at 7:34 PM, Matt hel...@gmail.com wrote:
On Tue, Jan 8, 2013 at 5:24 PM, Marcel Laverdet mar...@laverdet.comwrote:
By heavy load I'm talking about network traffic, either on your end,
their end, or any hop in between. In the first
Apply this patch:
https://gist.github.com/4487528
Node shouldn't be barfing on anything a browser can display and should
really be more tolerant of these failures. I should submit a PR.. but not
sure if this will cause other issues down the road.
On Tue, Jan 8, 2013 at 12:42 PM, Matt
and a bit nasty, but works, at least with node 0.6 (have to check if
the same process applies on 0.8).
On Tue, Jan 8, 2013 at 3:18 PM, Marcel Laverdet mar...@laverdet.comwrote:
Apply this patch:
https://gist.github.com/4487528
Node shouldn't be barfing on anything a browser can display
this in JS code than to have to remember to patch node every time we
upgrade.
Not sure what you're thinking about with under heavy load - I can't
imagine why that would affect anything. Got some way to elaborate on that?
On Tue, Jan 8, 2013 at 4:42 PM, Marcel Laverdet mar
As for readdir (and many other functions in the fs module) they are named
to match the underlying POSIX function name. For instance:
http://linux.die.net/man/3/readdir
readFile is an abstraction created by Node so it adheres to naming
standards.
On Thu, Dec 27, 2012 at 12:02 PM, David Habereder
This is not always true. It's much easier to add more database clients than
it is to add database servers. Offloading work from a hot database server
to a web cluster can be just as good of an idea.. it depends a lot on your
infrastructure and there's no golden bullet for this guy.
On Wed, Dec
var myobj = require( the-file );
eval( 'myobjs.' + file-name = myobj;');
How has no one commented on the fact that you're doing
numeric arithmetic on a bunch of strings? All this is going to do is give
you a parse error, and when you fix that you're just doing require(NaN).
With all due
Seems that this /could/ create issues if you did something like this:
var timers = {};
var timer = setTimeout(function() { ... }, 100);
timers[timer] = timer;
for (var ii in timers) {
clearTimeout(ii);
unset(timers[ii]);
}
The spec does specify that it must be a number, however this was
When things get complex, issues like race conditions and deadlocks
sometimes become really hard to debug.
Race conditions and deadlocks are not a pitfall of cooperative
multitasking. There are plenty of legit reasons to not use Fibers but I
don't think this is one of them.
On Fri, Nov 9, 2012
You should probably just be using Handle in most of your function
parameters. The only reason to specify Local or Persistent instead of
the more generic superclass Handle is when you need to manage the
lifetime of the object. It's generally not the callee's job to manage the
memory of the
You have no idea what you've done.
On Mon, Oct 1, 2012 at 2:11 PM, Fedor Indutny fe...@indutny.com wrote:
Hey people,
Let me introduce you The Spoon: https://github.com/indutny/spoon
It's a JavaScript to CFG (Control-Flow Graph) transpiler and additionally
a CPS (Continuation Passing
Is this about NodeJS? Am I the only one who has no idea what's going on?
On Saturday, September 29, 2012, Dan wrote:
Hi,
first of all I want to thank you all for that amazing project :)
I'm really missing an index or a list of all available pads. I think that
can be achieved quite easily
I use node-memcache, it's perfect.
The `node-memcache` cant reconnect the memcache, if memcache service
restarted.
Why can't you manually reconnect? It's not the library's responsibility to
try and clean up errors that you may want to handle some other way.
On Tue, Aug 21, 2012 at 4:35 AM,
Never never never never never never never put using namespace in a header
file. Or before *any* #include.
On Thu, Sep 6, 2012 at 8:36 AM, christkv chris...@gmail.com wrote:
I'm slowly working on rewriting the python lib psutil for node but I'm
running into a problem on linux. It builds
we have some very long running apps we are trying to reduce the footprint
on and unloading certain modules seems to be a good start
To be honest, that doesn't sound like a very good start. If your long
applications have a growing footprint then you are leaking memory
somewhere. Cleaning up
,
danmilon.
On 08/30/2012 12:27 AM, Marcel Laverdet wrote:
Just curious why you need the comments in the AST at all? If you've got
the start position length of every token in the AST (much easier to do)
you implicitly have the comments as well. The fiber engine in Streamline (
https
translations sometimes you want to keep them in (for instance a header with
copyright notice when compressing or *all* of them in a case like mine)
Best
Scott
On Aug 29, 2012, at 2:27 PM, Marcel Laverdet mar...@laverdet.com wrote:
Just curious why you need the comments in the AST at all
Just curious why you need the comments in the AST at all? If you've got the
start position length of every token in the AST (much easier to do) you
implicitly have the comments as well. The fiber engine in Streamline (
https://github.com/Sage/streamlinejs/blob/master/lib/fibers/transform.js)
does
Did anyone just get a kind of spammy pull request on github from
travis4all?
https://github.com/travis4all 1,334 repos and counting. Is this just a bot
that is going through github and issuing automatic pull requests for all
nodejs projects or what?
--
Job Board: http://jobs.nodejs.org/
Posting
Definitely a job for Google Docs. Not to say NodeJS isn't suitable it's
just going to take a lot longer.
On Sun, Aug 19, 2012 at 9:53 AM, Felix E. Klee felix.k...@inka.de wrote:
A friend asked me to write a guest-list app for a club, something like
A-LIST [1]. Guests (VIP) are maintained in a
As far as I can tell, the differences between Jsex/Wind and Streamline (and
for that matter IcedCoffeeScript and TameJS) are largely superficial. The
tough part is the compiler, which you can only do so many ways; all other
features are just bells and whistles which could be implemented by a user
RES stands for resident, not reserved. Reserved sounds closer to virtual
memory. RSS/RES should be meaningful representations of the physical amount
of memory your application needs.
On Sat, Aug 4, 2012 at 3:37 PM, Axel Kittenberger axk...@gmail.com wrote:
Can somebody explain me the
I am definately on a x86_64 machine. So higher limits should work.
Are you running 64 bit node? What does `process.arch` return for you?
On Fri, Aug 3, 2012 at 9:36 AM, Thomas Fritz fritz...@gmail.com wrote:
Hi,
I just tried to increase the heap size of v8.
code
node
Yes adding --nouse-idle-notification to your node flags is definitely the
first thing you should try. You may also try avoiding objects with large
numbers of keys (like a million seems to be my ceiling).
On Fri, Aug 3, 2012 at 8:35 PM, Jimb Esser wastel...@gmail.com wrote:
Best thing to try,
Look at Google Caja, this does exactly what you describe. It's a very
complicated problem.
On Wednesday, July 11, 2012, Angel Java Lopez wrote:
I presented a project (idea, no code yet) that needs that feature, too.
Game server (as a service?) that accepts logic code from game tenants.
Too robust is not a thing. This is a problem that is very complex. As
mentioned in later replies by the Caja team and others since node is using
a very modern version of v8 you can run Caja with minimal translations that
are all done in pure-JS.
With regards to infinite loops you've got another
With all do respect you are in over your head :)
If you want to take a stab at this for real take a peek at google-caja
On Mon, Jul 2, 2012 at 9:27 PM, Will Riley hapticf...@gmail.com wrote:
Hi,
Right now I'm working on a sandbox library for node.js. I'd most likely be
using
In that case wouldn't it also be possible to just change all instances of
0.6.x to =0.6.0 within npm itself and then throw an error if you try
to publish with 0.6.x? The problem here never was a bad feature, it was
bad metadata. All the metadata is in one central repository for the most
part..
On
not upgrading
everything or doing new work. This is not a real concern, and if it
ever becomes one, it won't be all that hard to address.
On Wed, Jun 27, 2012 at 7:26 PM, Marcel Laverdet mar...@laverdet.com
wrote:
If this is a bad problem I feel the correct solution would be
to add a flag
Broken metadata is just broken metadata
This hits the nail on the head. This fix to me feels very short-sighted and
PHP-y to me. If this is a bad problem I feel the correct solution would be
to add a flag to npm install such that you could skip the engines check:
`npm install --force
GetPort() needs a HandleScope and you need to pass the return
value through scope.Close(...).
This is false. v8 builds a HandleScope for you automatically when a
function or accessor is called through JS. You only need to use HandleScope
at the very very top level (node.cc, or stuff like fibers
Please keep in mind that getting the size of an object like this is NOT a
constant time operation, as it would be with an array. If you are using
the size frequently you should consider keeping a separate variable with
the length yourself, instead of doing Object.keys(table).length every time.
Sorry that's your job man..
On Fri, Jun 15, 2012 at 9:30 PM, vitoa vitor.moinho...@gmail.com wrote:
Tanks a lot for quick reply
Could you help me implemnet that on my posted algorithm?
Regards,
Vitor
--
Job Board: http://jobs.nodejs.org/
Posting guidelines:
There is an issue in v8 where idle tick GC does not pick up where the old
GC left off and leads to lots of time wasted. See v8 issue #1458. This is
fixed in bleeding_edge, but hasn't landed in node yet, not even 0.7.x. Try
Jeremy's suggestion or you could also try using bleeding_edge v8 on node
. The question is how were they installed?
Paul
Hi Paul,
I think libcoro can't run on an ARM, but you should better ask Marcel
Laverdet (https://github.com/laverdet/node-fibers), or perhaps Marc
Lehmann (http://software.schmorp.de/pkg/libcoro.html)
cc -Wall -Wno-deprecated-declarations -I/usr
Hey all just a quick note about some news on node-fibers. Thanks to the
work of @japj, node-fibers is now runnable under Windows. Now you can use
fibers on pretty much any platform.
Semi-related: node-fibers now includes a binary for Windows, OS X, and
Linux in both 32 and 64-bit x86
the latest version of node running on it but didn't get very
far before moving on to other things.
On Wed, May 9, 2012 at 2:29 PM, Jorge jo...@jorgechamorro.com wrote:
@Marcel Cool! @Paul what does `cc -v` give you ?
On May 9, 2012, at 9:18 PM, Marcel Laverdet wrote:
libcoro runs fine
, Marcel Laverdet wrote:
gcc version shouldn't matter. The pthread version of libcoro will run on
anything with POSIX-pthreads, it's a very very robust implementation.
That's not to say that node-fibers will run on everything.. the build
process will need to accomodate that. I got access
For several hundred meg libraries the answer is much less obvious.. But
even with a sophisticated or integrated build system, you still can't make
assumptions about their environment? I think Node developers on Windows
without a compiler even installed are quite common. Does node-gyp solve
that?
Title says it all.
It seems that modules with a compile stage can sometimes be difficult for
users to get installed. Ubuntu users may not have their node headers
installed, Windows users may not have any compiler at all, Linux users may
have broken build environments, there's just lots of issues
for asking again. If I got yours
explanation right the new context has his own copy of the source objects,
but they are Javascript RegExp isn't? why instanceof fails?
Thanks again,
Eric
On Monday, April 30, 2012 6:22:04 PM UTC-3, Ben Noordhuis wrote:
On Mon, Apr 30, 2012 at 23:14, Marcel
The new context gets its own RegExp and set of built-ins. You'll run into
the same issue with [] and Array, {} and Object, and function(){} and
Function.
On Mon, Apr 30, 2012 at 1:28 PM, Eric e...@craftti.com.br wrote:
Hi guys,
I have a code that check if a certain object is a regexp by
idk man my advice has always been to first learn callbacks and what's going
on behind the scenes, and then to give something like fibers a try if you
want. It's more like OP said that he knew how to swim but was having
problems crossing the English Channel. In this case it doesn't matter
whether
PS: I just recently heard about node's past ability to froze stack with
promise.wait(). It's sad that this ability was removed just because some
guys used it wrong. It's useful and needed feature for right hands.
While I personally wasn't part of the community when that went down I did a
lot of
Joe your stubbornness speaks volumes. If you'd have quit everything in life
after spending 10 minutes and messing up once you wouldn't get anywhere.
There's an ever-growing number of supporters of this kind of
technology (435 followers on github for fibers, 222 for streamline) and to
not even
If you can write it in JS, v8 can garbage collect it.
On Sat, Mar 10, 2012 at 2:46 PM, Phoscur phos...@pheelgood.net wrote:
Short Question: Do V8 and Jägermonkey garbage collect prototype chains
at some point?
Let code speak: https://gist.github.com/e83c353f7f16e14e4333
Actually, while
*hijack* xml-literals is plates but without the need to use strings
everywhere:
https://github.com/laverdet/js-xml-literal
On Sun, Mar 4, 2012 at 5:33 PM, Tito Ciuro tci...@gmail.com wrote:
Hi Jann,
Having read both options, I would say that plates matches our workflow
better. Based on the
Yeah fibers as a crutch isn't recommended. It should be a tool, but not
until you can do it without the tool :)
On Sun, Feb 26, 2012 at 4:19 PM, Oliver Leics oliver.le...@gmail.comwrote:
On Sun, Feb 26, 2012 at 11:07 PM, Chris Scribner scr...@gmail.com wrote:
If you have a lot of logic like
Well you need to understand what's going on under the hood at least to some
degree, or someone on your team does to enforce best practices and so
you'll have someone to go when things go wrong. When things go wrong and
Fibers are involved, if you don't know what's going on then you're up a
shit
...@jorgechamorro.com wrote:
On Feb 24, 2012, at 8:37 PM, Marcel Laverdet wrote:
You could extend String.prototype if you wanted to but it's probably one
of the less common ways to do this kind of thing. It has disadvantages like
portability, and it will ONLY works on strings. Using Number
Doesn't every modern JS-minifier kill trailing commas?
On Thu, Feb 23, 2012 at 3:27 AM, cole gillespie mcg42...@gmail.com wrote:
one thing that i use it for mainly is to catch trailing commas of death --
IE is a bitch. JSHint helps with checking for simple human errors. I agree
with TJ 100%
Yeah it's identical to prefix +, just more english and doesn't blend in
with string concatenation. It's totally a matter of preference. I
personally find that while writing software I'm rarely blocked by raw
typing speed so I use Number() because it makes +'s less ambiguous when I'm
reading my
, Shin Suzuki shinout...@gmail.com wrote:
Sorry, I mistook it. It went fine.
In some programs, they replace a file instead of appending...
2012/2/9 Marcel Laverdet mar...@laverdet.com
You certainly can do this without reopening the file. I'm using very
similar code to tail MySQL's binlogs
Matt keeps screaming race condition because conditions stated to not be
handled are not handled.
On Wed, Feb 8, 2012 at 5:09 PM, Mark Hahn m...@hahnca.com wrote:
That's not really a race, just a condition not covered.
On Wed, Feb 8, 2012 at 3:08 PM, Matt hel...@gmail.com wrote:
There's a
,
Considering the overhead of opening the file in each change event, just
spawning tail -f would be better as Matt says.
What's difficult is that we cannot know at which line the child process of
tail -f starts to read when the file is growing.
2012/2/9 Marcel Laverdet mar...@laverdet.com
Shin, I commented on your gist with code you can use. You just need to
modify it to catchup with existing data. Please treat this only as a proof
of concept, and be aware you need to handle error unexpected errors like
truncated files, deleted files, and so on. Also keep in mind that on OS X
73 matches
Mail list logo
