December 2015 - Pharo-users

Re: [Pharo-users] New web tutorial

by Stephan Eggermont

On 14-12-15 14:50, Norbert Hartl wrote: > Looks good but I don't understand it :) > > Norbert If I read very slowly... Great! Stephan

Dec. 14, 2015

Re: [Pharo-users] [Pharo-dev] [IMPORTANT] Starting migration to Spur VM

by Sven Van Caekenberghe

> On 14 Dec 2015, at 14:14, Tudor Girba <tudor(a)tudorgirba.com> wrote: > > Thank you Eliot & Esteban for making this happen! Yes! > Exciting times :) Yes! > Cheers, > Doru > > > >> On Dec 14, 2015, at 11:24 AM, Esteban Lorenzano <estebanlm(a)gmail.com> wrote: >> >> We will start migration to Spur today. >> To complete it, we will require some time, specially to adapt the CI and check everything is ok. >> >> Spur will allow us to do a big step forward in Pharo development, in the concrete you will see it immediately for this: >> - We have noticed a speed increment of 100% in tiny benchmarks (and according to Eliot, it will be at least 35% in general on the system). >> - No more GC stops (noticeable when running large systems) >> - We will be able to scale our systems up to 2G memory consumption without loosing performance. >> >> But, this will have some drawbacks in the first times: >> >> 1) VM will not be compatible between versions anymore: Pharo 5.0 will have a Pharo Spur VM associated (and they are not compatible). >> - There WILL NOT be a "non-spur" version of Pharo 5.0. Once completed the transitions, this will be the only one. >> >> 2) NativeBoost-FFI implementation has been replaced with a new implementation who relies in ThreadedFFIPlugin and IA32Plugin. While we worked a lot to do this transition as painless as possible and we achieve a good level of backward compatibility (most uses of #nbCall: should work out of the box), there are some problems we cannot solve: >> - there are some stuff not possible to compatibilise, notably: >> - Structures now need to inherit from FFIExternalStructure >> - Arrays now are now shadowed >> - in general is a bit slower (impossible to compete with ASM) but in general is not perceptible. >> - THERE WILL BE BUGS AND NON-IMPLEMENTED FEATURES: Current implementation is validated with Athens and even Roassal was working, but of course that does not covers all cases. >> 2.1) ASMJIT will be removed from system and put in a separated packages. >> NOTE: There will be a blog post explaining FFI-NB architecture during the week. >> >> 3) There are more or less 70 new failing tests, some of them important than we need to fix as soon as possible. Please, please, please, help us with them :) >> >> 4) In general we foresee the system will became unstable some weeks, before it gets back to normal. Please be patient. >> >> 5) You will need to adapt your Pharo 5.0 related apps and CI processes (to take care about new VM). Some programs will stop work at all (for example, I think Pharo-launcher will need to be adapted). >> >> > > -- > www.tudorgirba.com > www.feenk.com > > "Presenting is storytelling." > >

Dec. 14, 2015

Re: [Pharo-users] Metacello cannot download the latest zip of a github repo if a zip already exists from a previous commit

by Dimitris Chloupis

Ok thanks Dale that's all I wanted to know On Mon, 14 Dec 2015 at 19:54, Dale Henrichs < dale.henrichs(a)gemtalksystems.com> wrote: > > > On 12/13/2015 09:59 PM, Dimitris Chloupis wrote: > > Thanks Dale , good news it works on Pharo 5 :) > > > > Is there a way to delete the previous data = delete the previous zip > > file and all its decompressed folders / files ? I can do it manually > > but I was wondering if metacello offers anything similar. > > > You can delete the github-cache directory anytime you want, and the > cache should be rebuilt the next time you do a build ... Metacello > itself does not offer a service for deleting the cache directory ... > > Dale > >

Dec. 14, 2015

Re: [Pharo-users] PharoJVM

by Esteban A. Maringolo

2015-12-14 13:57 GMT-03:00 horrido <horrido.hobbies(a)gmail.com>: > Wow, the article about JPMorgan is extremely thin in terms of details! Most > of it is just marketing-speak. It's hard to write a meaningful piece with so > little content. > > Is there anything else that provides substantial content??? JP Morgan tried to replace most of their Smalltalk code since then, and after many failed attempts they migrated most of the Kapital system to Python, except for the exotics derivatives software, they failed on every attempt. It seems to be too complex and very well solved with the current implementation in Smalltalk. JPMC have thousands of developers and ~100 of them develop with Smalltalk on a VisualWorks+GemBuilder+GemStone/S software. Regards! Esteban A. Maringolo

Dec. 14, 2015

Re: [Pharo-users] Metacello cannot download the latest zip of a github repo if a zip already exists from a previous commit

by Dale Henrichs

On 12/13/2015 09:59 PM, Dimitris Chloupis wrote: > Thanks Dale , good news it works on Pharo 5 :) > > Is there a way to delete the previous data = delete the previous zip > file and all its decompressed folders / files ? I can do it manually > but I was wondering if metacello offers anything similar. > You can delete the github-cache directory anytime you want, and the cache should be rebuilt the next time you do a build ... Metacello itself does not offer a service for deleting the cache directory ... Dale

Dec. 14, 2015

Re: [Pharo-users] [Vm-dev] Merry Christmas from OopluCon 2016

by Dimitris Chloupis

That's ok it's great you organize such things and don't worry about mistakes , effort counts the most :) On Mon, 14 Dec 2015 at 19:38, Chris Cunnington <brasspen(a)gmail.com> wrote: > On Dec 14, 2015, at 12:05 PM, Dimitris Chloupis <kilon.alios(a)gmail.com> > wrote: > > Any chance there will be videos uploaded for us that can't attend ? > > > Iâd be happy to have somebody shoot a video, but at the moment the entire > staff is me alone and Iâm not looking to add more variables this first > year. If somebody from Hasso Plattner Stanford wants to do that, then > super. Iâm sort of at my capacity. For example â¦ > > I will add a second âlâ to fix the spelling mistake on my webpage for the > event. I really should know how to spell Smalltalk. But doing these things, > being who I am, means Iâm going to make silly mistakes along the way. > > Chris > > On Mon, 14 Dec 2015 at 18:25, Chris Cunnington <brasspen(a)gmail.com> wrote: > >> >> OopluCon 2016 >> A Day for the Smalltalk Programming Language and its Friends >> >> Sunday 10 April 2016 >> 8am - 4pm >> >> The Box SF >> 1069 Howard Street (between 6th and 7th) >> three blocks from Moscone Center, SoMa >> San Francisco, USA >> http://www.theboxsf.com/ >> >> >> - Dr. Eliot Miranda will deliver the keynote presentation Cog - The >> Open Source Smaltalk VM >> - Chris Thorgrimsson of Lam Research is presenting. Talk name to be >> announced in 2016 >> - Chris Cunnington is presenting An Introduction To Smalltalk >> - a request for further presentations will be announced on 11 Jan. >> 2016 >> - this event will be promoted to the Ruby, Python, JavaScript and >> Objective C communities >> - the event is free >> - The latest details will be available at <http://www.ooplu.com/> >> http://www.ooplu.com >> >>

Dec. 14, 2015

Re: [Pharo-users] [Vm-dev] Merry Christmas from OopluCon 2016

by Chris Cunnington

> On Dec 14, 2015, at 12:05 PM, Dimitris Chloupis <kilon.alios(a)gmail.com> wrote: > > Any chance there will be videos uploaded for us that can't attend ? Iâd be happy to have somebody shoot a video, but at the moment the entire staff is me alone and Iâm not looking to add more variables this first year. If somebody from Hasso Plattner Stanford wants to do that, then super. Iâm sort of at my capacity. For example â¦ I will add a second âlâ to fix the spelling mistake on my webpage for the event. I really should know how to spell Smalltalk. But doing these things, being who I am, means Iâm going to make silly mistakes along the way. Chris > On Mon, 14 Dec 2015 at 18:25, Chris Cunnington <brasspen(a)gmail.com <mailto:brasspen@gmail.com>> wrote: > > OopluCon 2016 > A Day for the Smalltalk Programming Language and its Friends > > Sunday 10 April 2016 > 8am - 4pm > > The Box SF > 1069 Howard Street (between 6th and 7th) > three blocks from Moscone Center, SoMa > San Francisco, USA > http://www.theboxsf.com/ <http://www.theboxsf.com/> > > Dr. Eliot Miranda will deliver the keynote presentation Cog - The Open Source Smaltalk VM > Chris Thorgrimsson of Lam Research is presenting. Talk name to be announced in 2016 > Chris Cunnington is presenting An Introduction To Smalltalk > a request for further presentations will be announced on 11 Jan. 2016 > this event will be promoted to the Ruby, Python, JavaScript and Objective C communities > the event is free > The latest details will be available at <http://www.ooplu.com/>http://www.ooplu.com <http://www.ooplu.com/>

Dec. 14, 2015

Re: [Pharo-users] [Vm-dev] Merry Christmas from OopluCon 2016

by Dimitris Chloupis

Any chance there will be videos uploaded for us that can't attend ? On Mon, 14 Dec 2015 at 18:25, Chris Cunnington <brasspen(a)gmail.com> wrote: > > OopluCon 2016 > A Day for the Smalltalk Programming Language and its Friends > > Sunday 10 April 2016 > 8am - 4pm > > The Box SF > 1069 Howard Street (between 6th and 7th) > three blocks from Moscone Center, SoMa > San Francisco, USA > http://www.theboxsf.com/ > > > - Dr. Eliot Miranda will deliver the keynote presentation Cog - The > Open Source Smaltalk VM > - Chris Thorgrimsson of Lam Research is presenting. Talk name to be > announced in 2016 > - Chris Cunnington is presenting An Introduction To Smalltalk > - a request for further presentations will be announced on 11 Jan. 2016 > - this event will be promoted to the Ruby, Python, JavaScript and > Objective C communities > - the event is free > - The latest details will be available at http://www.ooplu.com > >

Dec. 14, 2015

Re: [Pharo-users] PharoJVM

by horrido

Wow, the article about JPMorgan is extremely thin in terms of details! Most of it is just marketing-speak. It's hard to write a meaningful piece with so little content. Is there anything else that provides substantial content??? NorbertHartl wrote >> Am 14.12.2015 um 00:50 schrieb horrido < > horrido.hobbies@ > >: >> >> I think I asked this before (at the start of the year), but if I were >> given >> an actual real-world *enterprise* customer /whom I could interview/ to >> get >> the *full story* of how they came to use Smalltalk, especially if they >> were >> coming from a major language such as Java, and what their particular >> corporate issues were that compelled them to look for a better solution, >> then I could run with it and write a lengthy story highlighting the >> unique >> advantages of Smalltalk in solving these issues. It would be a huge >> marketing tool /because readers (hopefully, enterprise users) could >> identify >> with the story/ and see themselves following the same trajectory toward >> Smalltalk/Pharo. >> >> Perhaps somebody at ESUG or Pharo Consortium could provide such a >> reference? >> > http://m.v3.co.uk/v3-uk/news/1978739/jpmorgan-makes-smalltalk-development-s… > > Norbert >> >> Stephan Eggermont wrote >>> make some persona for them so it gets easier to imagine what their >>> needs might be. >> >> >> >> >> >> -- >> View this message in context: >> http://forum.world.st/PharoJVM-tp4866633p4866868.html >> Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com. >> -- View this message in context: http://forum.world.st/PharoJVM-tp4866633p4867015.html Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.

Dec. 14, 2015

PharoJS - converting to Javascript error

by Smaran Rneu

Hello. I am trying to convert my Pharo (4.0) classes to Javascript. I wrote a Pharo PBE-LightsOut application as book PBE. Initially converted LOCell and LoGame classes. Loaded these classes in a browser from an index.html and accused lack of SimpleSwitchMorph, SimpleButtonMorph and BorderedMorph. Command to convert: JbSmalltalkToJavaScriptExporter exportClasses: {BorderedMorph } packages: #() inNewFileNamed: 'BorderedMorph.js' Converting BorderedMorph this error occurs: MessageNotUndestood: WorldMorph >> javaScriptName The other classes were converted to JavaScript without problems. Appreciate any help. thank you

Dec. 14, 2015