March 2017 - Pharo-users - lists.pharo.org

Re: [Pharo-users] Neural Networks in Pharo

by Serge Stinckwich

On Tue, Mar 21, 2017 at 10:09 AM, Oleksandr Zaytsev <olk.zaytsev(a)gmail.com> wrote: > Hello. > > I'm implementing Neural Networks in Pharo as part of my thesis > (object-oriented approaches to neural networks implementation). It would be > really nice to receive some feedback. So if you have any ideas, > recommendations, or critique, please, write me. What are the existing > projects or common pitfalls that I should consider? Maybe, you can recommend > me some nice book or paper on a related topic. I would be grateful for any > kind of feedback. > > Here is the repository: http://smalltalkhub.com/#!/~Oleks/NeuralNetwork. > It's not much, but I'm working on it. You should talk to Gullermo Polito. He is working on neural networks in Pharo. Are you implementing Deep Learning algorithms ? Regards, -- Serge Stinckwich UCN & UMI UMMISCO 209 (IRD/UPMC) Every DSL ends up being Smalltalk http://www.doesnotunderstand.org/

March 21, 2017

Neural Networks in Pharo

by Oleksandr Zaytsev

Hello. I'm implementing Neural Networks in Pharo as part of my thesis (object-oriented approaches to neural networks implementation). It would be really nice to receive some feedback. So if you have any ideas, recommendations, or critique, please, write me. What are the existing projects or common pitfalls that I should consider? Maybe, you can recommend me some nice book or paper on a related topic. I would be grateful for any kind of feedback. Here is the repository: http://smalltalkhub.com/#!/~Oleks/NeuralNetwork. It's not much, but I'm working on it. Yours sincerely, Oleksandr

March 21, 2017

Re: [Pharo-users] Class versions

by Norbert Hartl

Hi Dale, > Am 20.03.2017 um 19:30 schrieb Dale Henrichs <dale.henrichs(a)gemtalksystems.com>: > > Norbert. > > Are you thinking of GemStone-style class versions for Pharo? > I was thinking of something less elaborate. The first thing that should be possible is that two classes with different shape of the same name can co-exist in the image.That might be provided by #environment. The next step would be to have something like #migrateTo: in GemStone. Meaning that in case of a class/shape change the old instance is called with the new shape as parameter so I can intercept the process of object migration. The #history case of GemStone would be nice of it would be modular and could be loaded. I think it can be done. But the points above need to be done first. Norbert > Dale > > On 03/19/2017 06:16 AM, Norbert Hartl wrote: >> How far are we to support multiple versions of the same class in an image? Are there existing approaches? >> >> Norbert >> >> >> >> >> Von meinem iPad gesendet >> > >

March 21, 2017

Re: [Pharo-users] Magritte extension

by Stephan Eggermont

On 19/03/17 14:14, Norbert Hartl wrote: > I never managed to take a look at QCMagritte but it sounds as an extension. Why was it never integrated? It is rather a monolitical extension. And it was mostly in heavy development. We never stopped to make a real release. Somehow the tutorial code and the demo's were not enough to get traction in the community. Probably too much change at a time. I think the design is sound but we never got into discussions/feedback about that. We ran into the instance side problem too, and solved that with prototypes. You need them anyway to get better memento's. Stephan

March 21, 2017

Re: [Pharo-users] Class versions

by Stephane Ducasse

What are multiple versions of a classes? We are working on a module system for Pharo. The prototype is making progress. You will be able to have different classes with the same name in different classes. Stef On Sun, Mar 19, 2017 at 2:16 PM, Norbert Hartl <norbert(a)hartl.name> wrote: > How far are we to support multiple versions of the same class in an image? > Are there existing approaches? > > Norbert > > > > > Von meinem iPad gesendet > >

March 21, 2017

Re: [Pharo-users] OSProcess or OSSubprocess?

by HernÃ¡n Morales Durand

I just tested and it works nice!! Thank you Mariano. Just a quick note, to read from /var/log requires root privilege which many users cannot acquire. I tested using a bash script and then tailf the output file: #!/bin/sh while true; do echo $(date) sleep 2 done > output.txt Cheers, HernÃ¡n 2017-03-20 8:24 GMT-03:00 Mariano Martinez Peck <marianopeck(a)gmail.com>: > > On Mon, Mar 20, 2017 at 6:00 AM, HernÃ¡n Morales Durand < > hernan.morales(a)gmail.com> wrote: > >> Hi guys, >> >> I need to monitor Unix command execution inside the image. The commands >> use heavy computation so they usually report progress in the terminal. >> >> Are OSProcess or OSSubprocess ready to do in-image monitoring so I can >> watch the same terminal output in the Transcript updating for example every >> 10 seconds? >> >> > Hi Hernan, > > There is a tail -f example in OSSubprocess documentation that prints the > result on an inpsector and updates it [1]. However, OSSubprocess has > problems on Linux with the default VM... you must use the threaded > heartbeat (not the itimer).. see recent threads discussions for this. > > Let me know if that works. > > > [1] https://github.com/marianopeck/OSSubprocess#processing-streams-while- > running > > > >> Particularly for OSProcess I couldn't find any method to fetch partial >> output. >> >> Cheers, >> >> HernÃ¡n >> >> > > > -- > Mariano > http://marianopeck.wordpress.com >

March 21, 2017

Re: [Pharo-users] Pharo 5 ODBC

by Offray Vladimir Luna CÃ¡rdenas

I'm using UDBC2 without any problem. Try this: ~~~ Gofer it smalltalkhubUser: 'TorstenBergmann' project: 'UDBC'; configuration; load. (Smalltalk at: #ConfigurationOfUDBC) loadBleedingEdge. ~~~ Cheers, Offray On 20/03/17 15:28, Glenn Swanlund wrote: > Hi, > > I'm trying to connect to a .xls file on Windows 7. I will also need to > connect to an Access database. My application database is SQLite3. > > I used the following excerpt from an email I found: > > Gofer it > smalltalkhubUser: 'TorstenBergmann' project: 'UDBC'; > configuration; > load. > (Smalltalk at: #ConfigurationOfUDBC) loadBleedingEdge. > Gofer it > smalltalkhubUser: 'DBXTalk' project: 'Garage'; > configurationOf: 'GarageGlorp'; > load. > #ConfigurationOfGarageGlorp asClass project stableVersion load. > Gofer it > smalltalkhubUser: 'DBXTalk' project: 'Glorp'; > package: 'Glorp-SQLite3'; > load. > GlorpSQLite3CIConfiguration new configureSqlite3. > GlorpDemoTablePopulatorResource invalidateSetup. > > > On Mon, Mar 20, 2017 at 1:12 PM, Benoit St-Jean via Pharo-users > <pharo-users(a)lists.pharo.org <mailto:pharo-users@lists.pharo.org>> wrote: > > > > ---------- Forwarded message ---------- > From: Benoit St-Jean <bstjean(a)yahoo.com <mailto:bstjean@yahoo.com>> > To: Any question about pharo is welcome > <pharo-users(a)lists.pharo.org <mailto:pharo-users@lists.pharo.org>> > Cc: > Bcc: > Date: Mon, 20 Mar 2017 20:12:48 +0000 (UTC) > Subject: Re: [Pharo-users] Pharo 5 ODBC > Can you give the URL of what exactly you loaded? There's a bunch > of ODBC packages/versions out there so I'd need more details. > I've used ODBC on Pharo 5 before without any problem. Besides, > what OS and database are you using? > ----------------- > BenoÃ®t St-Jean > Yahoo! Messenger: bstjean > Twitter: @BenLeChialeux > Pinterest: benoitstjean > Instagram: Chef_Benito > IRC: lamneth > Blogue: endormitoire.wordpress.com > <http://endormitoire.wordpress.com> > "A standpoint is an intellectual horizon of radius zero". (A. > Einstein) > > > ------------------------------------------------------------------------ > *From:* Glenn Swanlund <glennswanlund(a)gmail.com > <mailto:glennswanlund@gmail.com>> > *To:* pharo-users(a)lists.pharo.org > <mailto:pharo-users@lists.pharo.org> > *Sent:* Monday, March 20, 2017 3:50 PM > *Subject:* [Pharo-users] Pharo 5 ODBC > > Does Pharo 5 support ODBC? I loaded the UDBC package and can't see > how to make an ODBC connection. There is a class > UDBCODBCConnection but it is empty. Any pointers? > > Regards, > Glenn > > > >

March 20, 2017

Re: [Pharo-users] Pharo 5 ODBC

by Glenn Swanlund

Hi, I'm trying to connect to a .xls file on Windows 7. I will also need to connect to an Access database. My application database is SQLite3. I used the following excerpt from an email I found: Gofer it smalltalkhubUser: 'TorstenBergmann' project: 'UDBC'; configuration; load. (Smalltalk at: #ConfigurationOfUDBC) loadBleedingEdge. Gofer it smalltalkhubUser: 'DBXTalk' project: 'Garage'; configurationOf: 'GarageGlorp'; load. #ConfigurationOfGarageGlorp asClass project stableVersion load. Gofer it smalltalkhubUser: 'DBXTalk' project: 'Glorp'; package: 'Glorp-SQLite3'; load. GlorpSQLite3CIConfiguration new configureSqlite3. GlorpDemoTablePopulatorResource invalidateSetup. On Mon, Mar 20, 2017 at 1:12 PM, Benoit St-Jean via Pharo-users < pharo-users(a)lists.pharo.org> wrote: > > > ---------- Forwarded message ---------- > From: Benoit St-Jean <bstjean(a)yahoo.com> > To: Any question about pharo is welcome <pharo-users(a)lists.pharo.org> > Cc: > Bcc: > Date: Mon, 20 Mar 2017 20:12:48 +0000 (UTC) > Subject: Re: [Pharo-users] Pharo 5 ODBC > Can you give the URL of what exactly you loaded? There's a bunch of ODBC > packages/versions out there so I'd need more details. I've used ODBC on > Pharo 5 before without any problem. Besides, what OS and database are you > using? > > ----------------- > BenoÃ®t St-Jean > Yahoo! Messenger: bstjean > Twitter: @BenLeChialeux > Pinterest: benoitstjean > Instagram: Chef_Benito > IRC: lamneth > Blogue: endormitoire.wordpress.com > "A standpoint is an intellectual horizon of radius zero". (A. Einstein) > > > ------------------------------ > *From:* Glenn Swanlund <glennswanlund(a)gmail.com> > *To:* pharo-users(a)lists.pharo.org > *Sent:* Monday, March 20, 2017 3:50 PM > *Subject:* [Pharo-users] Pharo 5 ODBC > > Does Pharo 5 support ODBC? I loaded the UDBC package and can't see how to > make an ODBC connection. There is a class UDBCODBCConnection but it is > empty. Any pointers? > > Regards, > Glenn > > > >

March 20, 2017

Re: [Pharo-users] Pharo 5 ODBC

by Benoit St-Jean

Can you give the URL of what exactly you loaded?Â There's a bunch of ODBC packages/versions out there so I'd need more details.Â I've used ODBC on Pharo 5 before without any problem.Â Besides, what OS and database are you using? Â ----------------- BenoÃ®t St-Jean Yahoo! Messenger: bstjean Twitter: @BenLeChialeux Pinterest: benoitstjean Instagram: Chef_Benito IRC: lamneth Blogue: endormitoire.wordpress.com "A standpoint is an intellectual horizon of radius zero".Â (A. Einstein) From: Glenn Swanlund <glennswanlund(a)gmail.com> To: pharo-users(a)lists.pharo.org Sent: Monday, March 20, 2017 3:50 PM Subject: [Pharo-users] Pharo 5 ODBC Does Pharo 5 support ODBC? I loaded the UDBC package and can't see how to make an ODBC connection. There is a class UDBCODBCConnection but it is empty. Any pointers? Regards,Glenn

March 20, 2017

Pharo 5 ODBC

by Glenn Swanlund

Does Pharo 5 support ODBC? I loaded the UDBC package and can't see how to make an ODBC connection. There is a class UDBCODBCConnection but it is empty. Any pointers? Regards, Glenn

March 20, 2017