Re: [Jprogramming] GitHub Copilot anyone used this with J?

Github Copilot understanding matrix multiply. Getting back to Raul’s question on whether it understands +/ . * as matrix multiply. Github copilot seems to be very context sensitive. At least in the sense that when it starts down a path it remembers the context of the file. So I started with a

Re: [Jprogramming] GitHub Copilot anyone used this with J?

It seems to prefer 3 : 0 explcit definition over {{}}. When I force it to {{}} it doesn’t seem to use x and y parameters. That is likely because the code base favors the original explicit definition. As to the matrix multiplication: It doesn’t seem to have any concept of J matrix multiplication

Re: [Jprogramming] GitHub Copilot anyone used this with J?

that matter) or is the terseness of an array language too abstracted for AI to become proficient in it? > On May 5, 2023, at 12:07 AM, Thomas McGuire wrote: > > GitHub Copilot works under Visual Studio Code > > GitHub user tikkanz published an extension for VS Code to edit and run J.

[Jprogramming] GitHub Copilot anyone used this with J?

GitHub Copilot works under Visual Studio Code GitHub user tikkanz published an extension for VS Code to edit and run J. Fairly easy to install. VSCode then needs to have the Copilot extensions installed. It will ask you to login into your account and then you are all set. I typed in the foll

Re: [Jprogramming] kadane algorithm vs brute force timing and memory

ht to left in (n-1) applications of u. > The result of each suffix is fed into the next-larger suffix. > > (u/\ y), OTOH, runs in O(n^2) time unless u is known to be associative. > > Henry Rich > > On 4/7/2023 3:09 AM, Thomas McGuire wrote: >> In my haste to produce a

Re: [Jprogramming] kadane algorithm vs brute force timing and memory

0 algorithm. The global variable assignment appears to be the operation that causes the large amount of memory to be used. Elijah tried to explain it and hsi explanation is valid for some of the implementations such as the use of ‘\’ and Fold. But I don’t understand in the setting of a global vari

Re: [Jprogramming] kadane algorithm vs brute force timing and memory

│1│1│1│1│1│ >>> └─┴─┴─┴─┴─┘ >>> <@$@$"0 i.5 >>> ┌─┬─┬─┬─┬─┐ >>> │0│0│0│0│0│ >>> └─┴─┴─┴─┴─┘ >>> >>> 1 kadane\ y applies kadane to length-1 subsequences of y--that is, in >> this >>> case, vectors, which have len

Re: [Jprogramming] kadane algorithm vs brute force timing and memory

gt; └─┴─┴─┴─┴─┘ >> >> 1 kadane\ y applies kadane to length-1 subsequences of y--that is, in this >> case, vectors, which have length 1. Whereas kadane"0 applies to cells of y, >> which have rank 0. More space is required to store a length-1 vector than a >>

[Jprogramming] kadane algorithm vs brute force timing and memory

I’m wondering if someone with more J internals knowledge can tell me why my Kadane algorithm implementation is taking up more memory than my naive brute force method that generates all subsequences then sums them. The time is about what I would expect except for the FOLD operation. The time spac

Re: [Jprogramming] Report of J wiki meeting of March 23, 2023

On the topic of Categorization is there a Media Wiki way of generating a complete list of categories used on the new J wiki site (especially the essays)? When I categorized some of the essays I did it in “lazy” fashion concentrating just on the current essay. In hind site keeping a list of cate

Re: [Jprogramming] Image Background Removal

Thanks that was the file I was looking for. I had watched Tracy Harms talk but didn’t see the links to the file, of course when I watched the talk I didn’t know at the time I would need the images. Tom > On Feb 4, 2023, at 10:34 PM, Don Kittle wrote: > > I found pdf slides on InfoQ from a T

Re: [Jprogramming] Image Background Removal

gt; > On Fri, Feb 3, 2023 at 7:58 PM Thomas McGuire wrote: >> >> Oleg Kobenchenko has a short example of removing a shadow from an imaging >> using a moving average. >> >> The code can be found here: >> >> https://code.jsoftware.com/w

[Jprogramming] Image Background Removal

Oleg Kobenchenko has a short example of removing a shadow from an imaging using a moving average. The code can be found here: https://code.jsoftware.com/wiki/User:Oleg_Kobchenko/Background_Removal I am giving a talk abou

Re: [Jprogramming] Report of the J wiki Group meeting of October 6, 2022

at > there have been a lot of people who have already crossed the barrier. Raul > wondered whether there could be a J version of Jupyter with Jupyter as the > IDE. Bob mentioned that Thomas McGuire had been doing work creating Jupyter > instances that linked to the J engine > https

Re: [Jprogramming] NYCJUG: Thinking in an Array Language

0*<:+:1000 1000?@$0 >>>mat0=. <.0.5+10*<:+:1000 1000?@$0 >>>(10) 6!:2 'mat0 matmul3 mat1' >>> 0.737084 >>>(10) 6!:2 'mat0 +/ . * mat1' >>> 0.0499271 >>>(mat0 matmul3 mat1) -: mat0 +/ . * mat1 >>> 1 >

Re: [Jprogramming] NYCJUG: Thinking in an Array Language

My late night laziness and I got bitten by the 13 : definition doesn’t always work correctly with both x and y variables. Which I just assumed was working correctly. Now when I fix the definition of matmul3 so it works correctly (as Elijah pointed out) the variable representation does not incu

Re: [Jprogramming] NYCJUG: Thinking in an Array Language

I had a chance to digest the K-way of lists of a list method Raul presented in J. After I understood it somewhat and its use of the leaf operator. I was curious as how fast these things ran, as implied by Raghu and Raul it was fairly slow compared to the J matrix implementation proposed by Ra

[Jprogramming] NYCJUG: Thinking in an Array Language

Devon had shared a kx example of performing matrix multiplication backing out the loops from a wikipedia pseudocode. Providing an elegant solution in K. You can see it in the NYCJUG notes here: https://code.jsoftware.com/wiki/NYCJUG/2022-07-12

Re: [Jprogramming] Tiling a matrix to produce a larger matrix

To close the loop as to why I asked this question I have attached the graphics program. It is simple. It uses the windows driver in J and the isigraph and gl2 to create a window using the toucan.bmp bitmap that comes with J as the background. It starts displaying a single panel and when you resi

Re: [Jprogramming] Tiling a matrix to produce a larger matrix

NB. Bill Lam fixed my overapplication of the stitch operator NB. that fixes the transpose issue I was having with my original NB. Solution NB. my way: ,./;"1(3 2$"1(3 2$http://www.jsoftware.com/forums.htm

[Jprogramming] Tiling a matrix to produce a larger matrix

I was playing with the Window driver and trying to paint the toucan.bmp to the window I created. Expanding on that I wanted to pain a panel of toucan.bmp bitmaps to the background. Now I was able to glom together the bitmaps into a 2 x 2 panel of bitmaps, but it seems I should be able to just s

Re: [Jprogramming] graphics/pplatimg readimg crashes JQt in Mac Monterey

Thanks Bill for the quick fix I pulled it down with pacman and it works as intended. Now does anyone have a full size jpeg of Oleg’s remove shadow input.jpg? The Jsoftware site that has his example has a smaller version that has the original, the filtered shadow, and the final result all in 1 j

Re: [Jprogramming] graphics/pplatimg readimg crashes JQt in Mac Monterey

After further investigation I am not getting a valid image. My confusion was due to the fact that I was also experimenting with ‘graphics/jpeg’ that does seem to work. The mac monterey pplatimg readimg does not work at all giving back _1’s though it provides the correct width and height for the

[Jprogramming] graphics/pplatimg readimg crashes JQt in Mac Monterey

reading a jpeg image with readimg The first time in a fresh JQt session no problems. I am able to read a jpeg file an display it in viewmat On rereading the same file or a different file JQt crashes. The crash is occuring on a MacBook Pro with Monterey installed. I haven’t had a chance to try

Re: [Jprogramming] JQt terminal development environment

JQt IDE Ctrl-D (comand-D on Mac) will bring up the saved previous commands and you can select from there OR just move the cursor to a previous line in the IDE and press return. This will load the line at the current input line. You can edit it and then hit return again or just hit return to rer

[Jprogramming] NYCJUG: Counting pairs in a 3 card poker hand

Devon presented more of his Poker simulations now using Jd (the J database) at the most recent NYCJUG meeting (https://code.jsoftware.com/wiki/NYCJUG/2021-10-12 ) He came up with an interesting problem of calculating the expected number of pa

Re: [Jprogramming] Benchmarks

gration is a bit fussier > than derivation, so it has less support for variant expressions.) > > FYI, > > -- > Raul > > On Wed, May 19, 2021 at 4:17 AM Thomas McGuire <mailto:tmcguir...@gmail.com>> wrote: >> >> Thanks Raul, >> I added your

Re: [Jprogramming] Benchmarks

ink I have made a mistake here. > > Thanks, > > -- > Raul > > On Tue, May 18, 2021 at 7:02 PM Thomas McGuire <mailto:tmcguir...@gmail.com>> wrote: >> >> I was going over Devon McCormick's notes from the latest NYCJUG meeting. >> There was a di

[Jprogramming] Benchmarks

I was going over Devon McCormick's notes from the latest NYCJUG meeting. There was a discussion about Benchmarks with an example of the Kernighan/Van Wyk benchmarks in LISP/Scheme. Devon had made the comment that for most things people use J for that correctness overshadowed performance. The K

Re: [Jprogramming] Downloading using https protocol

I believe this has to do with a crumb that yahoo embeds in the session and unless your reply has the crumb yahoo rejects the query. It means you need a 2 step call access. One to set the session information and extract the crumb and one to actually get the data you are interested in. I had pla

Re: [Jprogramming] SDL2 integration under Jqt

y latest Toucan has garbage in its title: "SDL2 from J�����⎕ {club}∨" >> (approximately) >> suggesting there might be some problem with the &c argument to >> SDL_CreateWindow.The added >> characters seem to be arbitrary, as might be expected if the length i

Re: [Jprogramming] SDL2 integration under Jqt

NB. sdlbmpevtex.ijs - example of setting up a bitmap displayed in window NB. under SDL with QUIT event processing load '~/j902-user/temp/sdl2.ijs' NB. SDL_Init http://www.jsoftware.com/forums.htm

Re: [Jprogramming] SDL2 integration under Jqt

NB. SDL utilities for OpenGL require 'dll' void=: 0$'' null=: <0 SDLDLL =: '/usr/local/lib/libSDL2.dylib' NB. SDL Constants SDL_INIT_TIMER=: 16b0001 SDL_INIT_AUDIO=: 16b0010 SDL_INIT_VIDEO=: 16b0020 NB. SDL_INIT_VIDEO implies SDL_INIT_EVENTS */ SDL_INIT_J

Re: [Jprogramming] SDL2 integration under Jqt

l not work: NB. SDL_LoadBMP =: (SDLDLL, ' SDL_LoadBMP * &c')&cd NB. instead, it is recreated in J as a function call: NB. it expects a boxed string fully qualified path and filename NB. this keeps the calling convention of the dll consistent SDL_LoadBMP =: 3 : 0 Rwops =. {

Re: [Jprogramming] SDL2 integration under Jqt

dl shut down' > 'appw appr'=: 0 0 > ) > > ugo =: 3 : 0 > sdlprep SCREEN_X_MAX;SCREEN_Y_MAX > urun'' > uend^:y '' > ) > > On Tue, 1 Dec 2020 at 07:25, Thomas McGuire wrote: > >> I was glad to see some renewed interest in SDL2 an

[Jprogramming] SDL2 integration under Jqt

I was glad to see some renewed interest in SDL2 and thank you to Raul Miller for the suggestion of setting timer to run an event loop. I haven’t had the chance to try Bill Lam’s suggestion of creating a tight event loop under Jconsole yet. I have attached my code for a simple example that: op

Re: [Jprogramming] Unexpected domain error

Have you come up with a way to handle SDL events? I was able to read events but if I set up a polling loop I ran into problems with J not getting time for handling Its own user events. I made some attempts to use wd ‘msgs’ from the window driver but was unsuccessful. Tom McGuire > On Nov 27, 2

Re: [Jprogramming] Condense a multidimensional array

t; > On 5/29/2020 11:13 AM, Hauke Rehr wrote: >> (;@;/ -: ,/) i. 12 2 4 >> 1 >> >> Am 29.05.20 um 17:04 schrieb Thomas McGuire: >>> I have a 3 dimensional array I want to squish it so the rows of the tables >>> just stack on top of each other. >>&

[Jprogramming] Condense a multidimensional array

I have a 3 dimensional array I want to squish it so the rows of the tables just stack on top of each other. i. 12 2 4 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 5

Re: [Jprogramming] Deleting?

I wanted to respond to your preface, while I’m a little younger than you I no longer make my living writing code. I adopted J as my personal use programming language. I don’t always have the time I want to put aside for my pet projects and I always seemed to be forgetting how to do things I rese

Re: [Jprogramming] Generating "music" in J (or otherwise)

I have implemented the APL style of N2P that expands note numbers to relative octave text. This is a fairly direct transcription from the book. I also updated my J version (n2p) as I understood better how relative octave changes were being calculated. I won’t reproduce it here as I have placed t

Re: [Jprogramming] Generating "music" in J (or otherwise)

I fixed up the n2p routine, although not in the same output format as the book (“Cybernetic Music”) it seems to track the relative octave increases and decreases from the examples. I apologize for the not very J-ish style for the support routine ‘ROCT’ (new routine not part of the original APL).

Re: [Jprogramming] Generating "music" in J (or otherwise)

Harvey, You mentioned errata for Cybernetic Music by Jaxitron. One of the last routines I coded (before I was distracted by something else) was the DVLP2 melody routine. I had placed one mistake in the code for DVLP2. But there seems to be a discrepancy in the hand code on page 119 and the usage

Re: [Jprogramming] Generating "music" in J (or otherwise)

; Thanks for the code. I don't currently have an APL installed on my machine > but it would be a good idea for working with this. > > Regards, > > Devon > > On Wed, Apr 22, 2020 at 5:48 PM Thomas McGuire <mailto:tmcguir...@gmail.com>> wrote: > >>

Re: [Jprogramming] Generating "music" in J (or otherwise)

seeing how well they work. Tom McGuire > On Apr 22, 2020, at 2:22 PM, Devon McCormick wrote: > > On Mon, Mar 30, 2020 at 3:18 PM Thomas McGuire <mailto:tmcguir...@gmail.com>> wrote: > >> For those of you interested in using J as an adjunct to lilypond or other >

Re: [Jprogramming] Blockchain, bit packing hex, and J SHA Algorithms

Very quick timespacex '3&(128!:6) _3&(128!:6) bfh header_hex' 9e_6 6912 But doesn’t make feel like as much of a J insider as when I use the power conjunction :-) Thanks for your help. Sometimes the simple ways evade me when I am working with J. Tom McGuire > On Apr 12, 2020, at 9:42 PM, b

Re: [Jprogramming] Blockchain, bit packing hex, and J SHA Algorithms

00\000\000\000 timespacex 'pdfesc_jzplot_"1 binarray' 3.5e_5 6656 > On Apr 12, 2020, at 4:40 AM, bill lam wrote: > > try > _3&(128!:6)^:2 bfh header_hex > > On Sun, Apr 12, 2020, 3:50 PM Thomas McGuire <mailto:tmcguir...@gmail.com>> wrote: > >&

[Jprogramming] Blockchain, bit packing hex, and J SHA Algorithms

In a round about way (it started with reading slashdot) I was researching Bitcoin hashing. I came across a python explanation of taking a bitcoin header and SHA256 hashing it twice to see if it produces the desired number of leading (or terminating depending on the endian of your machine) '0’s.

Re: [Jprogramming] Generating "music" in J (or otherwise)

; fwrites~ ; lilypondhdr,(LF,~ each lilypondnotes,<'}'),lilypondend Basically adding the score tag and inserting '\layout {}’ and ‘\midi {}’ causes lilypond to generate both a pdf of the score and a midi file that GargeBand or other such program can play for you. When I generated Mu

Re: [Jprogramming] Generating "music" in J (or otherwise)

I have the jaxitron book and have slowly been adapting the APL code to J. Here’s what I have so far. It’s such an old book and you would need to read the book to use the code the way it was intended. NB. routines for cybernetic music. This is a direct translation NB. from APL. It should be rew

Re: [Jprogramming] Generating "music" in J (or otherwise)

is b cis d fis a g c ais a c c gis b b g b cis fis gis c b dis b ais c fis ais } } Running it through lilypond gave me the following pdf > On Mar 29, 2020, at 3:47 AM, Hauke Rehr wrote: > > could one as easily have a lilypond file created instead? > since converting from MusicXML usually

Re: [Jprogramming] Generating "music" in J (or otherwise)

Here is a transcription of code from an article on music syntax in APL2 and some simple MIDI The article reference is in the code. If you have an ACM membership you should be able to download The PDF of the article Tom McGuire NB. MusicalSyntax.ijs - J implementation of functions from APL90 N

Re: [Jprogramming] Generating "music" in J (or otherwise)

I have a couple of files one is rough and hastily thrown together. But it pulls together a few ideas from various people and tries to implement a VOSS algorithm to randomly generate music in a fractal pattern. It will also generate MusicXML so you can load it it into a musical score application.

Re: [Jprogramming] String sort, possible bug

The first 2 of the list have no rank. $ each words $ each words ┌┬┬─┬─┬─┬─┐ │││3│3│4│4│ └┴┴─┴─┴─┴─┘ words =: (1$'a');(1$'z');'zza';'abc';'zabc';’abbb' $ each words ┌─┬─┬─┬─┬─┬─┐ │1│1│3│3│4│4│ └─┴─┴─┴─┴─┴─┘ sort words ┌─┬┬───┬─┬┬───┐ │a│abbb│abc│z│zabc│zza│ └─┴┴───┴─┴┴───┘ A

Re: [Jprogramming] OpenGL

At some point you are supposed to use a 3D drawing program like Blender or Maya, have it generate a ‘.obj’ file that contains all the vertex and coloring information. People publish some open source ‘.obj’s of familiar characters. That was ultimately my goal: Could I get J to read in a ‘.obj’ an

Re: [Jprogramming] OpenGL

Attached is a running copy that uses Brian’s tetrahedron with the original cube and now they are both side by side. Spinning around. I expand vbo to handle this with one buffer name that is a list of glGenBuffers locations. I print out what I receive back from the buffer call. This shows what

Re: [Jprogramming] OpenGL

I added your tetrahedron object data into my test file for shader.ijs. The goal was to get a tetrahedron and a cube up there rotating. What I got was 2 badly formed tetrahedron rotating. I had thought from my reading that the shader should keep these entities distinct. I don’t know why I can’t

Re: [Jprogramming] OpenGL

bo buffer locations and a new map variable (mvp1). I assume the calls send that down to the kernel shader code variables vertex, color, map and openGL takes care of the rest. Tom McGuire > On Feb 28, 2020, at 2:42 AM, bill lam wrote: > > Kernel means the program running inside GPU, wh

Re: [Jprogramming] OpenGL

Not sure I know what you mean but I’m using 807 on a MacBook Pro with just the full Jqt install. > On Feb 27, 2020, at 9:28 PM, bill lam wrote: > > Did kernels need any modification? > > Thu, 27 Feb 2020, Thomas McGuire написал(а): >> It took me a while to understand t

Re: [Jprogramming] OpenGL

It took me a while to understand this a little bit. But the shader can render any number of objects you just need to set up the data and tell the shader to paint the object. To create 2 cubes I had to modify the a_g_initialize function and the a_g_paint function. I have placed comments in the co

Re: [Jprogramming] OpenGL

On my MacBook Pro the F10 key is the run all lines key in JQt. So what happens to me is that a new window appears that exactly overlays the original window. If I click on the title bar and move the window with the cube, I find the original window is still there underneath. To fix this I ignore

Re: [Jprogramming] J calling C++ SDL

I happened to be playing around with SDL2 and J and came across your thread. While you probably got through your issues and don’t care any more, still, I thought I would complete the thread with an answer so future queries into the archive can provide some more detail to interested parties. Fir

Re: [Jprogramming] Yahoo stock quotes

7;,y NB.normalized yr mn dy >> ) >> >> and I removed the two curtails in (using a fixed width font) >> >> qstr =. '?period1=',(}:epochtime d1),'&period2=',(}:epochtime >> d2),'&interval=1d&events=history&crumb='

Re: [Jprogramming] Yahoo stock quotes

OK so here is my final code cleaned up and now working due to the double quote issue (see second to last line of code): NB. Navigating yahoo.com to programmatically get historical stock prices NB. require 'web/gethttp' require 'regex' NB. use the linux date command to create a linux time stamp e

Re: [Jprogramming] Yahoo stock quotes

ackOverflow question and answer: > https://stackoverflow.com/questions/55753504/reading-csv-file-from-a-a-secured-link-with-j > > On Mon, Nov 25, 2019 at 3:36 PM Henry Rich wrote: > >> Do you have an example of a script where you can see correct data going >> in and a bad result co

[Jprogramming] Yahoo stock quotes

The following J script, patterned after Brad Lucas’ Bash script (http://blog.bradlucas.com/posts/2017-06-02-new-yahoo-finance-quote-download-url/ ), doesn’t seem to work. I won’t go into the history of the yahoo a

[Heaptrack] [Bug 394557] New: CMake error when boost filesystem is missing

https://bugs.kde.org/show_bug.cgi?id=394557 Bug ID: 394557 Summary: CMake error when boost filesystem is missing Product: Heaptrack Version: unspecified Platform: Compiled Sources OS: Linux Status: UNCONFIRMED

[Heaptrack] [Bug 380985] Incorrect library used when app relies on rpath

https://bugs.kde.org/show_bug.cgi?id=380985 Thomas McGuire changed: What|Removed |Added Resolution|--- |INVALID Status|UNCONFIRMED

Re: [lttng-dev] Allocation failures with babeltrace and TraceCompass - corrupt trace?

You should probably ask your distribution vendor to look into this as well. Right, that's worth a try. Thanks, Thomas -- Thomas McGuire | thomas.mcgu...@kdab.com | Senior Software Engineer KDAB (Deutschland) GmbH&Co KG, a KDAB Group company Tel: +49-30-521325470 KDAB - The Qt Exp

Re: [lttng-dev] Allocation failures with babeltrace and TraceCompass - corrupt trace?

Hi, On 27.06.2017 16:25, Michael Jeanson wrote: > I forgot to ask for your kernel .config file. Attached is the content of /proc/config.gz. Regards, Thomas -- Thomas McGuire | thomas.mcgu...@kdab.com | Senior Software Engineer KDAB (Deutschland) GmbH&Co KG, a KDAB Group company Tel:

Re: [lttng-dev] Allocation failures with babeltrace and TraceCompass - corrupt trace?

s the same as https://github.com/torvalds/linux/blob/v4.9/include/trace/events/block.h. That's all relevant information about the kernel I could figure out so far. Any other information that would help? Regards, Thomas -- Thomas McGuire | thomas.mcgu...@kdab.com | Senior Software Engineer

Re: [lttng-dev] Allocation failures with babeltrace and TraceCompass - corrupt trace?

integer { size = 8; align = 8; signed = 0; encoding = none; base = 16; } _cmd[ __cmd_length ]; }; }; Also, does anyone know which block_rq_ events are actually needed to display the IO load in TraceCompass? Regards, Thomas -- Thomas McGuire | thomas.mcgu...@kdab.com | Senior Software E

[Jprogramming] OpenWhisk Docker J image under Alpine.

Joe Bogner Posted a Docker image for running J on a tiny core docker image on JChat forum. http://www.jsoftware.com/pipermail/chat/2016-November/007158.html I happened across the post doing a search on the Forums. It gave me a

Re: [lttng-dev] Allocation failures with babeltrace and TraceCompass - corrupt trace?

uploaded the metadata file to http://www.kdab.com/~thomas/stuff/metadata. To double-check that it isn't file system corruption, I ran "yes > test.data" - that file is OK, so it's probably a different problem. Any idea what can cause the corrupted trace? Regards, Thomas --

[lttng-dev] Allocation failures with babeltrace and TraceCompass - corrupt trace?

e got corrupted and how I can record traces without corruption in the future? Thanks, Thomas -- Thomas McGuire | thomas.mcgu...@kdab.com | Senior Software Engineer KDAB (Deutschland) GmbH&Co KG, a KDAB Group company Tel: +49-30-521325470 KDAB - The Qt Experts Program received signal SIGTRAP,

Re: [lttng-dev] Wrong timestamps in trace

ctly, the timestamps are correct and TraceCompass shows me a nice schedule :) Thanks again for your help and every developer here for providing lttng, it's a great tool. Regards, Thomas -- Thomas McGuire | thomas.mcgu...@kdab.com | Senior Software Engineer KDAB (Deutschland) GmbH &

[lttng-dev] Wrong timestamps in trace

iled lttng-tools 2.9.4 and lttng-modules 2.9.2. Kernel is 4.9.28-20170428-1, babeltrace on the host is 1.2.4. What do I need to do to get correct timestamps? Thanks, Thomas -- Thomas McGuire | thomas.mcgu...@kdab.com | Senior Software Engineer KDAB (Deutschland) GmbH&Co KG, a KDAB Group com

[Heaptrack] [Bug 380985] New: Incorrect library used when app relies on rpath

https://bugs.kde.org/show_bug.cgi?id=380985 Bug ID: 380985 Summary: Incorrect library used when app relies on rpath Product: Heaptrack Version: unspecified Platform: Other OS: Linux Status: UNCONFIRMED Sev

[Heaptrack] [Bug 379660] New: Collapse template arguments in flamegraph

https://bugs.kde.org/show_bug.cgi?id=379660 Bug ID: 379660 Summary: Collapse template arguments in flamegraph Product: Heaptrack Version: unspecified Platform: Compiled Sources OS: Linux Status: UNCONFIRMED

[Jprogramming] Google Codejam 2017

Google codejam qualifying round starts this Friday April 7, 2017. The number of J programmers participating has been dwindling. I figured I would post a reminder and a link: https://code.google.com/codejam/ I learn a lot by seeing other people’s J code after t

[Jprogramming] JFire/Arrayfire problem with dll on mac

Ok it turns out that on my Mac running Sierra I had some install issues with arrayfire. The cd error was due to libafcpu.dylib not finding libforge.0.dylib and then after putting in a link to fix that, then the libglfw3.dylib library also needed a link: I also needed to install XQuartz so that

[Jprogramming] JFire/Arrayfire problem with dll on mac

I have down loaded arrayfire to my Mac book and the install placed the libraries in: /usr/local/lib. I downloaded JFire scripts from Pascal’s git site to the directory: home/downloads/jfire-master I created a arrayfire.settings file in the jfire-master directory and its contents are as follow

Re: [Jprogramming] Project Euler 1

I used modulo outer product |/ found which ones equal zero and then anded the rows of the matrix together to find the numbers that have both 3 and 5 as divisors I. (*./ (0 = 3 5 |/i.1000)) 0 15 30 45 60 75 90 105 120 135 150 165 180 195 210 . . . to generalize into a tacit I cheat and use 13

Re: [Jprogramming] Magic squares

I haven't tried this in a while but here is one method from an APL book transcribed into J NB. Magic Squares the APL/J way NB. From APL An Interactive Approach by Gilman and Rose NB. NB. Problem 19 page 177 NB. NB. A magic square of order n made up of the integers from NB. 1 through n. NB. NB.

Re: [Jprogramming] JHP on j64_803 Linode server with Ubuntu

s any major problems. Tom McGuire On Nov 14, 2015, at 11:43 PM, bill lam wrote: > The jhp addon was developed on j602 and not maintained anymore. > USERFOLDERS had become UserFolders and its format had also changed. > > Пт, 13 ноя 2015, Thomas McGuire написал(а): >> I'

[Jprogramming] JHP on j64_803 Linode server with Ubuntu

I've been playing around with the various web configurations of J Software on an Apache2 server. The FSCGI was relatively straight forward and works rather nicely. But I realized that for most of the small programs I create to play with it would probably be easier to use Oleg's JHP. The config

Re: [Jprogramming] forward substitution and Back substitution for LU decamp and the like

27;b1 %. A1' > 2.3e_5 7168 > timespacex 'b1 %. A1' > 3.5e_5 7168 > > timespacex 'U1 baksub L1 forsub b1' > 6.2e_5 9344 > timespacex 'U1 baksub L1 forsub b1' > 3e_5 9344 > > Or, using your original definitions for forsub and baksub: >

Re: [Jprogramming] forward substitution and Back substitution for LU decamp and the like

> > -- > Raul > > > On Mon, Aug 31, 2015 at 9:54 PM, Thomas McGuire wrote: >> I have been playing around with creating forward substitution and backward >> substitution J scripts to solve lower and upper triangular matrices of the >> type you woul

[Jprogramming] forward substitution and Back substitution for LU decamp and the like

I have been playing around with creating forward substitution and backward substitution J scripts to solve lower and upper triangular matrices of the type you would get by performing LU decomposition on a single square matrix. I could certainly just use matrix divide but this starts to slow down

Re: [meta-freescale] [PATCH 0/4] 3.14.28-1.0.1_patch release patches

that a Wayland issue was fixed. Regards, Thomas -- Thomas McGuire | thomas.mcgu...@kdab.com | Senior Software Engineer KDAB (Deutschland) GmbH&Co KG, a KDAB Group company Tel: +49-30-521325470 KDAB - The Qt Experts smime.p7s Description: S/MIME Cryptographic Signature -- _

Re: [meta-freescale] [PATCH 0/4] 3.14.28-1.0.1_patch release patches

driver version, but I can't find the release notes on freescale.com myself, it's quite a big site. Regards, Thomas -- Thomas McGuire | thomas.mcgu...@kdab.com | Senior Software Engineer KDAB (Deutschland) GmbH & Co KG, a KDAB Group company Tel: +49-30-521325470 KDAB - The Qt Expert

Re: [Development] Future of Qt Quick 1 in Qt 5

d Image for our usecase, and indeed didn't bother with many properties such as Image.TileMode. Certainly not a very general solution, though it works nicely for us. Regards, Thomas -- Thomas McGuire | thomas.mcgu...@kdab.com | Senior Software Engineer KDAB (Deutschland) GmbH & Co K

[Akonadi] [Bug 325859] POP3 crash

https://bugs.kde.org/show_bug.cgi?id=325859 Thomas McGuire changed: What|Removed |Added Assignee|mcgu...@kde.org |kdepim-bugs@kde.org -- You are receiving

[Akonadi] [Bug 320837] once an account goes offline, it never comes back to online again

https://bugs.kde.org/show_bug.cgi?id=320837 Thomas McGuire changed: What|Removed |Added Assignee|mcgu...@kde.org |kdepim-bugs@kde.org -- You are receiving

[Akonadi] [Bug 329779] crash without kontakt open (while background email check on POP3 runs on the default account and a mailinglist filter is used)

https://bugs.kde.org/show_bug.cgi?id=329779 Thomas McGuire changed: What|Removed |Added Assignee|mcgu...@kde.org |kdepim-bugs@kde.org -- You are receiving

[Akonadi] [Bug 306073] Kmail fails to retrieve Yahoo Mail via POP3 them crashes

https://bugs.kde.org/show_bug.cgi?id=306073 Thomas McGuire changed: What|Removed |Added Assignee|mcgu...@kde.org |kdepim-bugs@kde.org -- You are receiving

[Akonadi] [Bug 300784] Need more resilience against intermittent authentication failures

https://bugs.kde.org/show_bug.cgi?id=300784 Thomas McGuire changed: What|Removed |Added Assignee|mcgu...@kde.org |kdepim-bugs@kde.org -- You are receiving

[Akonadi] [Bug 329526] password cleared if login refused by server

https://bugs.kde.org/show_bug.cgi?id=329526 Thomas McGuire changed: What|Removed |Added Assignee|mcgu...@kde.org |kdepim-bugs@kde.org -- You are receiving

[Akonadi] [Bug 223691] Re-add support for on-server filtering

https://bugs.kde.org/show_bug.cgi?id=223691 Thomas McGuire changed: What|Removed |Added Assignee|mcgu...@kde.org |kdepim-bugs@kde.org -- You are receiving

[Akonadi] [Bug 325657] another crash

https://bugs.kde.org/show_bug.cgi?id=325657 Thomas McGuire changed: What|Removed |Added Assignee|mcgu...@kde.org |kdepim-bugs@kde.org -- You are receiving

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