<< 22-02-2017 >>
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00:05:57zachcarterthis means I need to get the tables API for nuklear working which I was neglecting :/
00:06:00FromGitter<Varriount> zachcarter: Did you solve that problem you ran into yesterday?
00:06:05zachcarterI did
00:06:13zachcartertroubled me all day today
00:06:23zachcarterI’m working on seperating out the bgfx backend code now
00:06:46zachcarter@Varriount : http://imgur.com/a/25d9m that’s nuklear working with the nim-bgfx wrapper
00:07:21zachcarteror bindings rather
00:09:34FromGitter<Varriount> Yay!
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00:10:53zachcarter:D
00:11:03zachcarterready to build my game engine editor now
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03:10:34zachcarterthis ended up being the backend code for the nuklear bgfx stuff - https://gist.github.com/zacharycarter/812dfd135d8a6fb55afdc87d0ab8f447
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03:44:57zachcarter@Varriount : http://imgur.com/a/ymgyz
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04:19:08raussThe manual makes it look like drilling down into objects with `foo["bar"]` notation works, but I can't get it to. Do I need to do something special or define a proc first?
04:31:36raussThe place that makes it seem possible in the manual is where it has `js[field]`, in the section on overloading the dot operators.
04:31:49rauss`proc `.` (js: PJsonNode, field: string): JSON = js[field]`
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04:32:31rausstl;dr: Do objects support subscript notation?
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05:02:03ftsfrauss, only if they have a `[]` proc
05:02:37ftsfto access an attribute of an object you use obj.attr
05:03:38raussYeah but I was hoping subscript notation was supported to access properties of which the key is unknown
05:03:57raussIt's a scripting language thing, which of course nim is not.
05:04:04ftsfare you talking specifically about JsonObjects? or Nim Objects?
05:04:10raussnim objects
05:04:26ftsfok, then there should not be properties that are unknown
05:04:50Xeall object properties in nim are known at compile time
05:04:59Xeunless you do some really deep magic which you shouldn't do, you're fine
05:05:59raussI guess "unknown" isn't the right word. if object `foo` has `bar` and `baz`, I was asking if there's a way to say `foo[barOrBaz]`, where `barOrBaz` is a variable
05:06:32raussTo which the answer is no
05:07:36ftsfyeah i'm not aware of a way to do that
05:08:23ftsfyou'd need to have a string lookup table to map it to the appropriate attribute
05:09:28raussYeah. Was just wondering. Thanks guys
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06:06:59FromGitter<Varriount> rauss: For one thing, unless the key is known at compile time (Or the object's fields are all the same type) such an operation isn't type safe.
06:16:10shashlicknre is going into an infinite loop on a findIter() search
06:16:19shashlicknre.nim(521) reFindAll
06:16:24shashlicknre.nim(464) matchImpl
06:17:13shashlickNim 0.16.0 on Windows 32-bit mingw32
06:29:02Araqshashlick: does it always fail for the input/pattern combination?
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07:14:10FromGitter<dom96> Awesome. Fred's bristech talk is finally live. I can't watch it all now but the start looks good https://m.youtube.com/watch?v=_HeU8yg_WaE :)
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10:19:16Learath2can base64 work on an array of byte?
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14:35:41enthus1astniv: i just saw that you have pulled in some changes to websocket/client
14:36:42enthus1asti've got a thing, to use the client i had to change "\r\n" to just "\n" on sending
14:37:17enthus1astwhen i tried this like it is right now even the examples are not working
14:38:33enthus1astand maybe the newAsyncWebsocket should understand the commcon "ws://foo.baa" uri?
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14:51:25niventhus1ast: all valid points, but all i did was click merge on a PR i got that looked fine. i will have to revisit that library soon and polish it, as it got a bunch of issues
14:51:47nivi'll put it on the list, thanks for pointing that out
14:55:28niventhus1ast: can you explain to me what you mean by \r\n not working? because the example works fine for me.
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15:00:07cheatfateguys \r\n is wrong combination for nim
15:00:13cheatfate\c\L
15:00:36cheatfate\n is two bytes on windows and 1 byte on unixes
15:01:10nivthat'd be why it wont work on windows then, i guess.
15:01:13nivthanks.
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15:09:25enthus1astniv
15:09:34enthus1asti will create a pr in a few moments
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15:10:54enthus1astcheatfate: \n should work fine here?
15:11:14enthus1astor better use \c\L ?
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15:11:28cheatfatebetter use \c\L to avoid any problems
15:11:33enthus1astk
15:14:09AraqI wonder if it's feasible to map \n to \L on Windows too these days
15:14:45Araqevery tool understands it except maybe the batch command interpreter
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15:15:44enthus1asti whish there where a fixBatchQuirks()
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15:21:54Araqactually for the bat file generation we use \c\L so that compiling on Linux produces a valid batch file anyway
15:22:16Araqso for Nim itself it shouldn't cause any problems
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15:22:52Araqproc writeln(s: string) = write(s); write("\n")
15:23:29Araqwould need to be changed though
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15:27:54surge-protectHello
15:28:04surge-protectis there an error in the examples code here: https://nim-lang.org/docs/asynchttpserver.html
15:28:25surge-protectI get this error: server.nim(9, 15) Error: undeclared identifier: '%*'
15:28:37surge-protectfor this line: let msg = %* {"message": "Hello World"}
15:28:53cheatfatesurge-protect, add `import json` to the beginning of your server.nim
15:30:20surge-protectcheatfate: thank you
15:37:27surge-protectWhich async client lib can I use to test my async server?
15:37:49FromGitter<andreaferretti> just `httpclient`
15:38:14FromGitter<andreaferretti> it has both syn and async implementations
15:41:16surge-protectis there an example of an async proc that makes x-thousand simultaneous requests ?
15:41:20cheatfatesurge-protect, if you want to benchmark your server, use `wrk`
15:42:05cheatfatesurge-protect, https://github.com/wg/wrk if you dont have package for your OS
15:43:41surge-protect@cheatfate are there any other OS-level options instead of wrk ? Using Ubuntu
15:44:30cheatfateApache Benchmark and wrk is everything i know :(
15:44:49nivwrk is great and its in apt, just one command away
15:45:19surge-protectaah if it's in apt, that works for me
15:45:26surge-protectapt install wrk ?
15:46:40nivthats the one
15:46:40surge-protectit's not in apt
15:46:48surge-protecthttps://github.com/wg/wrk/wiki/Installing-Wrk-on-Linux
15:46:55nivapt-cache show wrk
15:46:55nivPackage: wrk
15:46:55nivPriority: optional
15:46:55nivSection: universe/web
15:47:30surge-protectPPA ? niv
15:47:41nivno, just universe
15:47:46nivat least for me :p
15:48:33surge-protectwhich distro and version? niv
15:49:02nivim on ubuntu xenial (elementary os actually)
15:51:51enthus1astthink that should be it niv
16:01:31niventhus1ast: thanks, will have to have a look later. something that keeps me busy came up
16:02:06enthus1astniv: its like always : )
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16:15:28federico3wrk is in Debian Testing and therefore in Xenial, Yakkety and Zesty
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16:37:11surge-protectcheatfate: do you have a wrk example I can use to stress-test my nim async http-server
16:37:38cheatfate./wrk http://127.0.0.1:80
16:38:00enthus1astsurge-protect: if you have apache installed there should be a tool called `ab`
16:38:14enthus1astah
16:38:31surge-protectbut how do I test the async functionality?
16:39:44enthus1ast" -c concurrency Number of multiple requests to make
16:40:00enthus1astfor "ab" at least
16:40:18cheatfatesurge-protect, by default wrk will use 2 threads and 10 concurrent connections
16:40:41surge-protectc9 ?
16:41:09surge-protectokay I understand now: https://www.digitalocean.com/community/tutorials/how-to-benchmark-http-latency-with-wrk-on-ubuntu-14-04
16:41:17surge-protectthank you cheatfate and enthus1ast
16:41:34Araqjust keep in mind you will be rich long before async performance becomes an issue :P
16:42:09surge-protectAraq: i'm definitely not prematurely scaling :P I just want to test async nim against async python
16:42:34Araq"prematurely scaling" nice term.
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16:53:02surge-protectcheatfate: what do you think of these results: https://www.zerobin.net/?f213a12ffc46c3e4#S2+yXsiRpAL7D+j9h0h5qf02iCWyDP39NYvY0Fx24mU=
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16:55:34cheatfatesurge-protect, do you run tests inside VM?
16:56:08surge-protectcheatfate: yes and no. I ran both the wrk and server in separate containers
16:56:18surge-protecton the same machine though
16:56:28cheatfatesurge-protect, it doesn't matter your container network is too slow
16:56:37cheatfatesurge-protect, my tests in vmware workstation
16:56:45cheatfateon simple `Hello World` output
16:57:02cheatfateis much better then yours
16:57:42cheatfateand which python framework you want to test against nim async?
16:57:50surge-protecthow much better? cheatfate
16:57:57surge-protectasynchttp
16:58:05cheatfateyou mean aiohttp?
16:58:22surge-protectyes, sorry. aio , not asynchttp
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16:59:05cheatfateon simple plain text output nim is faster like 10x times
17:00:43cheatfate`https://github.com/squeaky-pl/japronto` - this python framework will be faster for plain text output
17:01:06surge-protectI wonder why my network is so slow between 2 containers. Unless they are competing for the resources aggressively
17:03:36cheatfatesurge-protect, i dont know never used containers, but container is light vm, so maybe your PC is much slower then mine
17:04:17surge-protectthat too, most likely
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17:12:01surge-protectcheatfate: maybe this is also why it went slow: wrk -t2 -c5 -d5s --timeout 2s http://[IP]:9000/hello-world ... I have a timeout there
17:13:09cheatfatemaybe
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17:36:58nivAraq: you had a mingw compiler for win32 prepackaged somewhere on the web page?
17:41:47dom96niv: http://nim-lang.org/download/mingw32.zip
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17:59:50surge-protectare there more examples of asynchttpserver somewhere?
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18:12:33fvshi, trying to sort a seq of vectors (x,y) in a polygon (p) based on their distance from the centroid. Any suggestions to make this work. I have:
18:12:36fvsp.sort(proc(x,y: float): int = cmp(vdist(x[0],c), vdist(y[0],c)))
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18:18:56TrustableHi all, I have a problem: my program behaves different, depending whether I call my main proc after the definition of the main proc or before it (after fordward declaration). Any ideas what the reason could be?
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18:21:13dom96Trustable: no idea, but can you create a small sample that reproduces this problem?
18:21:38dom96fvs: In what way does that not work?
18:21:52Trustableit's a bit complicated, I would like to share my screen to you.
18:22:14Xewhat do you mean by "behaves different"?
18:24:17TrustableTo be more precise: I'm developing a GUI library, which is based on Gtk3 and WinAPI. If I call the main proc after, everything works, if I call it before the definition, the controls are not shown. This is very strange and confuses me hard.
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18:36:29TrustableMaybe I have uninitialized memory somewhere, which could be the reason for inexplicable behavior.
18:37:19fvsdom96, I guess the better question would be what the x & y in the cmp function represent when trying to sort a seq of vectors based on their distance from a centroid.
18:40:01dom96fvs: The `x & y`?
18:40:48fvscmp: proc (x, y: T)
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18:56:25subsetparkx and y would each be vectors
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18:56:38subsetparkso `cmp` would compare their respective distances
18:58:56dom96fvs: two elements from `p`
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19:05:44fvsThanks - ok, I think I understand. I'll need to sort distances first and then sort the vectors based on this sort.
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19:38:31Learath2is there a lib with pbkdf2?
19:38:48Learath2i guess any key derivation function would work
19:46:57fvsgot it to work :) FTR: P.sort(proc(x, y: Vect): int = cmp(x.cdist(c), y.cdist(c))) # where cdist is helper func return distance to centroid
19:50:42dom96Learath2: Nothing in nimble AFAICS
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19:51:19Learath2dom96: thanks, ill just hack one together for prototyping and wrap a lib later
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