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

Re: [Pharo-users] Binary Decision Diagram Package in Smalltalk

by Stephane Ducasse

It was for test inclusion of UTF-8 characters so we do not want to rely on external libraries. On Fri, Oct 27, 2017 at 1:54 PM, Steffen MÃ¤rcker <merkste(a)web.de> wrote: > Dear Andrew, > > I didn't find time to answer earlier. Some time ago, I was looking for a > (MT)BDD package in ST as well. I didn't found one. So the only two options > left are > > 1) implementing a new BDD lib in ST and > 2) doing FFI to some existing lib, e.g. CUDD, Sylvan, Jinc > > I'd prefer 2) since the existing libraries are feature-rich and highly > optimized - which took quite some time. As a bonus, a solution could > potentially switch between those backends. The biggest hurdle, in my option, > is memory management, since most libs use some sort of reference counting. > And you do not want to end up with nightmarish dozens of ref(bddNode) > deref(bddNode) in your application code (like the probabilistic model > checker PRISM does). This introduces hard to track bugs easily. However, I > have an idea in mind how to tackle this but I didn't found the time to put > it into code yet. > > May I ask, which sort of application do you have in mind? > > Best, Steffen > > > > > Am .10.2017, 07:54 Uhr, schrieb Prof. Andrew P. Black <black(a)cs.pdx.edu>: > >> Thanks for the responses so far. I see that I need to clarify my enquiry. >> >> B-Trees and BDDs are not the same. BDDs are an efficient and compact >> representations for Boolean functions, sometimes used in SAT-solvers and >> electronics design. The key idea is that since the output must be 0 or 1, >> you can represent any Boolean function as a tree whose depth is the same as >> the number of bits in the input. >> >> To make the tree small and efficient, though, you need to eliminate any >> node whose two children are the same, and to share subtrees, so that you >> really get a DAG, not a tree. The full name for these efficient compressed >> trees is âReduced Order Binary Decision Diagramsâ, or ROBDDs. I was hoping >> that someone else had implemented the algorithms necessary to build this >> representation. >> >> Because sets can be considered to be Booleans functions (true => argument >> is in the set), you can use ROBDDs to efficiently represent large sets. >> >> To be clear, despite the word âdiagramâ in the name, one is not normally >> interested in drawing the BDD â except in the documentation for the package >> ;-). Normally, BDDs they are used to represent sets, or functions, where >> the drawing would be hopelessly large. >> >> The BuDDy package (http://buddy.sourceforge.net/manual/main.html) is an >> example of what Iâm looking for, but unfortunately itâs in C++. >> >> Andrew >> >> >>> On 25 Oct 2017, at 21:39 , Stephane Ducasse <stepharo.self(a)gmail.com> >>> wrote: >>> >>> Hi andrew >>> >>> I think that Avi did a package about BDD (but I thought it was special >>> binary trees) so this is probably the same. >>> Did you check on Squeaksource? >>> http://www.squeaksource.com/BTree.html >>> If this is what you are looking for I can help porting it to Pharo. >>> >>> Stef >>> >>> >>> On Wed, Oct 25, 2017 at 9:02 PM, Prof. Andrew P. Black <black(a)cs.pdx.edu> >>> wrote: >>>> >>>> Does anyone know of a BDD â thatâs Binary Decision Diagram â package >>>> written in Smalltalk? >>>> >>>> Andrew >>>> >>>> >>> >> >

Oct. 27, 2017

Re: [Pharo-users] Netstyle/Workflow Package discovery - (was: Business process (declaration and orchestration), ontology/taxonomy)

by Stephane Ducasse

Did you send pull requests? Stef On Fri, Oct 27, 2017 at 2:32 PM, CÃ©drick BÃ©ler <cdrick65(a)gmail.com> wrote: > A pleasure to discover ! To me, a wonderful(ly engineered) library. > > Big thanks to Netstyle ! > > Iâm just getting my hands around, but it looks to me like a great general purpose BP tool (modeling + engine + xpdl import export). > It would be very useful for IS in industrial contexts (*). And before all a superb starting point to model my simple personal routines as executable processes. > > On the practical aspects, just a problem loading because of WADynamicVariable, but it kinds of load on Pharo 6. > Running tests, there are (naturally) some failures. I think most come from the removed links to Omnibase/History support and seaside (WADynamicVariable). > > Some stuffs that are missing: > #isOmniBaseTransaction > #markDirty > A reference to TimeStamp fixed: > #beginInHistory > â¦ > > Need to fix WADynamicVariable with shouldnât be hard. > The History link (persistence) is a bit more difficult as I donât know its importance in the engine. > All Workflow object are managed object which (if I understand well) are persistent object. So maybe It need a (local) persistent alternative, a stub ? > > Anyway, I need to understand more and I will probably come back with some questions about the dependencies and how to fix them. > > > Cheers and thanks again, enligthening code :) > > CÃ©drick > > > > * Interoperability of is a field I try carefully not to enter because I found not really fun (as most of the tool Iâve soon were java based â¦ and slowâ¦ and java world !) but if only I had similar tools in pharo that could bring the fun back :) > > > > > >> Le 27 oct. 2017 Ã 09:37, CÃ©drick BÃ©ler <cdrick65(a)gmail.com> a Ã©crit : >> >> Thank you! >> >> I thons this just perfect as a starting point ! >> >> Cheers, >> >> Cedrick >> >> EnvoyÃ© de mon iPhone >> >>> Le 26 oct. 2017 Ã 19:38, Paul DeBruicker <pdebruic(a)gmail.com> a Ã©crit : >>> >>> Maybe the package described here has what you're looking for : >>> >>> http://forum.world.st/Ann-Workflow-td4963635.html >>> >>> >>> >>> >>> >>> >>> >>> CÃ©drick BÃ©ler wrote >>>> Hi again, this is my last question and the more general one of the day :-) >>>> >>>> >>>> Iâm looking for way of representing and executing simple "business >>>> processes" in Pharo and a way of declaring domain ontologies/taxonomies. >>>> >>>> I didnât find any lib around this subjects except some projects in other >>>> smalltalk dialects. >>>> >>>> I just wander if somebody has done some work in these field. Iâm also >>>> interested in (KISS) design discussions around these topics, hence this >>>> email. >>>> >>>> I donât want to do a full fledged business process middleware. >>>> >>>> I would need : >>>> - a way to represent simple business processes (succession of activities >>>> with logic gates (and/or/xor) => I might be able to do that by myself). >>>> - a way to execute these processes (routines) in a semi-aotumatic manner >>>> => This looks more difficult to do to me. >>>> => my aim is to execute recurrent routines (my routines) with the help of >>>> a Pharo application >>>> >>>> >>>> For such a system, I also need a way to categorize information context. >>>> Again, I donât think I need a full fledged ontology implementation like >>>> Description Logic (or whatever). I think Iâll be happy with information >>>> tagging according to a predefined taxonomy. Instead of flat tags, Iâd like >>>> them to implement some sort of multiple inheritance. For instance, I may >>>> need a tag #soccer that "inherit" #sport. >>>> >>>> Any information regarding taxonomy tagging in Pharo ? (Or eventually >>>> ontology?). >>>> >>>> >>>> >>>> TIA, >>>> >>>> CÃ©drick >>> >>> >>> >>> >>> >>> -- >>> Sent from: http://forum.world.st/Pharo-Smalltalk-Users-f1310670.html >>> > >

Oct. 27, 2017

Re: [Pharo-users] Netstyle/Workflow Package discovery - (was: Business process (declaration and orchestration), ontology/taxonomy)

by Stephane Ducasse

Cedric This code should be a bit documented. If you have some tests I would be interested And we should add tests to the repo. Stef On Fri, Oct 27, 2017 at 2:32 PM, CÃ©drick BÃ©ler <cdrick65(a)gmail.com> wrote: > A pleasure to discover ! To me, a wonderful(ly engineered) library. > > Big thanks to Netstyle ! > > Iâm just getting my hands around, but it looks to me like a great general purpose BP tool (modeling + engine + xpdl import export). > It would be very useful for IS in industrial contexts (*). And before all a superb starting point to model my simple personal routines as executable processes. > > On the practical aspects, just a problem loading because of WADynamicVariable, but it kinds of load on Pharo 6. > Running tests, there are (naturally) some failures. I think most come from the removed links to Omnibase/History support and seaside (WADynamicVariable). > > Some stuffs that are missing: > #isOmniBaseTransaction > #markDirty > A reference to TimeStamp fixed: > #beginInHistory > â¦ > > Need to fix WADynamicVariable with shouldnât be hard. > The History link (persistence) is a bit more difficult as I donât know its importance in the engine. > All Workflow object are managed object which (if I understand well) are persistent object. So maybe It need a (local) persistent alternative, a stub ? > > Anyway, I need to understand more and I will probably come back with some questions about the dependencies and how to fix them. > > > Cheers and thanks again, enligthening code :) > > CÃ©drick > > > > * Interoperability of is a field I try carefully not to enter because I found not really fun (as most of the tool Iâve soon were java based â¦ and slowâ¦ and java world !) but if only I had similar tools in pharo that could bring the fun back :) > > > > > >> Le 27 oct. 2017 Ã 09:37, CÃ©drick BÃ©ler <cdrick65(a)gmail.com> a Ã©crit : >> >> Thank you! >> >> I thons this just perfect as a starting point ! >> >> Cheers, >> >> Cedrick >> >> EnvoyÃ© de mon iPhone >> >>> Le 26 oct. 2017 Ã 19:38, Paul DeBruicker <pdebruic(a)gmail.com> a Ã©crit : >>> >>> Maybe the package described here has what you're looking for : >>> >>> http://forum.world.st/Ann-Workflow-td4963635.html >>> >>> >>> >>> >>> >>> >>> >>> CÃ©drick BÃ©ler wrote >>>> Hi again, this is my last question and the more general one of the day :-) >>>> >>>> >>>> Iâm looking for way of representing and executing simple "business >>>> processes" in Pharo and a way of declaring domain ontologies/taxonomies. >>>> >>>> I didnât find any lib around this subjects except some projects in other >>>> smalltalk dialects. >>>> >>>> I just wander if somebody has done some work in these field. Iâm also >>>> interested in (KISS) design discussions around these topics, hence this >>>> email. >>>> >>>> I donât want to do a full fledged business process middleware. >>>> >>>> I would need : >>>> - a way to represent simple business processes (succession of activities >>>> with logic gates (and/or/xor) => I might be able to do that by myself). >>>> - a way to execute these processes (routines) in a semi-aotumatic manner >>>> => This looks more difficult to do to me. >>>> => my aim is to execute recurrent routines (my routines) with the help of >>>> a Pharo application >>>> >>>> >>>> For such a system, I also need a way to categorize information context. >>>> Again, I donât think I need a full fledged ontology implementation like >>>> Description Logic (or whatever). I think Iâll be happy with information >>>> tagging according to a predefined taxonomy. Instead of flat tags, Iâd like >>>> them to implement some sort of multiple inheritance. For instance, I may >>>> need a tag #soccer that "inherit" #sport. >>>> >>>> Any information regarding taxonomy tagging in Pharo ? (Or eventually >>>> ontology?). >>>> >>>> >>>> >>>> TIA, >>>> >>>> CÃ©drick >>> >>> >>> >>> >>> >>> -- >>> Sent from: http://forum.world.st/Pharo-Smalltalk-Users-f1310670.html >>> > >

Oct. 27, 2017

Re: [Pharo-users] UK Smalltalk User Group Meeting - Monday, October 30th - PharoLambda: Smalltalk running serverless on AWS

by Tim Mackinnon

Thanks Sean - hoping to do a bit of deeper dive into the Screencast I posted a while back - but Iâm also hoping we can get some discussion around the kinds of things we can do with serverless that match the strengths of Smalltalk. Iâve got a few ideas - but wondering what others think - and weâll share the results here. Tim NOTE for anyone that is coming and is reading this: Weâve had to change the venue to the pub around the corner - The Crown Tavern. > On 27 Oct 2017, at 16:31, Sean P. DeNigris <sean(a)clipperadams.com> wrote: > > Tim Mackinnon wrote >> Tim Mackinnon will showâ¦ > > So jealous! That sounds like an awesome presentation :) > > > > ----- > Cheers, > Sean > -- > Sent from: http://forum.world.st/Pharo-Smalltalk-Users-f1310670.html >

Oct. 27, 2017

Re: [Pharo-users] Netstyle/Workflow Package discovery - (was: Business process (declaration and orchestration), ontology/taxonomy)

by Paul DeBruicker

there is a History package Esteban Maringolo developed here: http://smalltalkhub.com/#!/~emaringolo/History It stores objects at times and allows fast-ish point in time based lookups. Maybe they're similar in purpose/function. CÃ©drick BÃ©ler wrote > A pleasure to discover ! To me, a wonderful(ly engineered) library. > > Big thanks to Netstyle ! > > Iâm just getting my hands around, but it looks to me like a great general > purpose BP tool (modeling + engine + xpdl import export). > It would be very useful for IS in industrial contexts (*). And before all > a superb starting point to model my simple personal routines as executable > processes. > > On the practical aspects, just a problem loading because of > WADynamicVariable, but it kinds of load on Pharo 6. > Running tests, there are (naturally) some failures. I think most come from > the removed links to Omnibase/History support and seaside > (WADynamicVariable). > > Some stuffs that are missing: > #isOmniBaseTransaction > #markDirty > A reference to TimeStamp fixed: > #beginInHistory > â¦ > > Need to fix WADynamicVariable with shouldnât be hard. > The History link (persistence) is a bit more difficult as I donât know its > importance in the engine. > All Workflow object are managed object which (if I understand well) are > persistent object. So maybe It need a (local) persistent alternative, a > stub ? > > Anyway, I need to understand more and I will probably come back with some > questions about the dependencies and how to fix them. > > > Cheers and thanks again, enligthening code :) > > CÃ©drick > > > > * Interoperability of is a field I try carefully not to enter because I > found not really fun (as most of the tool Iâve soon were java based â¦ and > slowâ¦ and java world !) but if only I had similar tools in pharo that > could bring the fun back :) > > > > > >> Le 27 oct. 2017 Ã 09:37, CÃ©drick BÃ©ler < > cdrick65@ > > a Ã©crit : >> >> Thank you! >> >> I thons this just perfect as a starting point ! >> >> Cheers, >> >> Cedrick >> >> EnvoyÃ© de mon iPhone >> >>> Le 26 oct. 2017 Ã 19:38, Paul DeBruicker < > pdebruic@ > > a Ã©crit : >>> >>> Maybe the package described here has what you're looking for : >>> >>> http://forum.world.st/Ann-Workflow-td4963635.html >>> >>> >>> >>> >>> >>> >>> >>> CÃ©drick BÃ©ler wrote >>>> Hi again, this is my last question and the more general one of the day >>>> :-) >>>> >>>> >>>> Iâm looking for way of representing and executing simple "business >>>> processes" in Pharo and a way of declaring domain >>>> ontologies/taxonomies. >>>> >>>> I didnât find any lib around this subjects except some projects in >>>> other >>>> smalltalk dialects. >>>> >>>> I just wander if somebody has done some work in these field. Iâm also >>>> interested in (KISS) design discussions around these topics, hence this >>>> email. >>>> >>>> I donât want to do a full fledged business process middleware. >>>> >>>> I would need : >>>> - a way to represent simple business processes (succession of >>>> activities >>>> with logic gates (and/or/xor) => I might be able to do that by myself). >>>> - a way to execute these processes (routines) in a semi-aotumatic >>>> manner >>>> => This looks more difficult to do to me. >>>> => my aim is to execute recurrent routines (my routines) with the help >>>> of >>>> a Pharo application >>>> >>>> >>>> For such a system, I also need a way to categorize information context. >>>> Again, I donât think I need a full fledged ontology implementation like >>>> Description Logic (or whatever). I think Iâll be happy with information >>>> tagging according to a predefined taxonomy. Instead of flat tags, Iâd >>>> like >>>> them to implement some sort of multiple inheritance. For instance, I >>>> may >>>> need a tag #soccer that "inherit" #sport. >>>> >>>> Any information regarding taxonomy tagging in Pharo ? (Or eventually >>>> ontology?). >>>> >>>> >>>> >>>> TIA, >>>> >>>> CÃ©drick >>> >>> >>> >>> >>> >>> -- >>> Sent from: http://forum.world.st/Pharo-Smalltalk-Users-f1310670.html >>> -- Sent from: http://forum.world.st/Pharo-Smalltalk-Users-f1310670.html

Oct. 27, 2017

[GT] moldable tools for non-developers

by Sebastian Heidbrink

Hi all! There is this strong movement within Pharo now, that allows developers to expand the individual development process with the help of moldable dev tools based on GlamourToolkit (GT). This allows for a much more effective communication between stakeholders and developers resulting in a more cost effective development. While the ambitions behind GT seem to be developer centric, I wonder if there is also research or development done to support non-developer pharo users. Are there projects that try to integrate/interface "modeling" into/with GT? (e.g. likeÂ STELLA [1]) I am also wondering if aspect oriented programming could help closing the full cycle of an adaptive development/management process. Anybody researching on something like this? Thank you for any hint! Sebastian [1] https://www.iseesystems.com/

Oct. 27, 2017

Re: [Pharo-users] UK Smalltalk User Group Meeting - Monday, October 30th - PharoLambda: Smalltalk running serverless on AWS

by Sean P. DeNigris

Tim Mackinnon wrote > Tim Mackinnon will showâ¦ So jealous! That sounds like an awesome presentation :) ----- Cheers, Sean -- Sent from: http://forum.world.st/Pharo-Smalltalk-Users-f1310670.html

Oct. 27, 2017

Re: [Pharo-users] UFFI and Fortran

by Sean P. DeNigris

Ben Coman wrote > it seems to hint how to do it from Pharo UFFI. Slightly OT: I remember years ago, someone (Dave Mason?) demoed a library which automatically created FFI wrappers for C libs. I never heard anything about it after that, which is sad, because I was amazed and wanted to use it! ----- Cheers, Sean -- Sent from: http://forum.world.st/Pharo-Smalltalk-Users-f1310670.html

Oct. 27, 2017

Re: [Pharo-users] QCMagritte on Github

by laurent laffont

I've added loading instructions in README: Metacello new githubUser: 'Afibre' project: 'QCMagritte' commitish: 'master' path: 'src'; baseline: 'QCMagritte'; load. For the QCMagritte version, there's actually one branch master. If you need a previous version, I suppose the right way is to create a github branch from the desired commit in git history and adapt the BaselineOf... Laurent On Fri, Oct 27, 2017 at 2:12 PM, HernÃ¡n Morales Durand <hernan.morales(a)gmail.com> wrote: > Nice to know Laurent, > > Could you please comment or share how to install this version uploaded > to GitHub? > Any way to check the installed or current QCMagritte version? > > Cheers, > > HernÃ¡n > > > > > 2017-10-27 7:39 GMT-03:00 laurent laffont <laurent.laffont(a)gmail.com>: >> Hi, >> >> my team starts to use QCMagritte. For our needs we have imported >> SmalltalkHub repository to Github here: >> https://github.com/Afibre/QCMagritte >> >> I don't know if you (Diego, Stephan, Tobias) plan to use Github >> instead of SmalltalkHub. At least Github allows branches & pull >> request. >> >> Regards, >> >> Laurent Laffont >> >

Oct. 27, 2017

Re: [Pharo-users] Smalltalk Argument

by henry

I confuse easily, as you say freeipa works wonderfully well, then point out sun support to the api is hidden and itâs tricky to use. Do you mean Hadoopâs use is iffy? If freeipa works wonderfully can we find the right api and sequence of calls, building our own model in image side? Then that model we compute on and it makes the right calls. Modeling is our strength, I have always thought. What is achievable? This would benefit ParrotTalk I think. - HH On Thu, Oct 26, 2017 at 16:28, philippe.back(a)highoctane.be <philippe.back(a)gmail.com> wrote: > There are two key Kerberos implementations one can use with Hadoop. > > One is the FreeIpa/RedHat IdM. > The other is ActiveDirectory. > > I am using FreeIPA which bundles MIT Kerberos/389/sssd and more for making a CA etc. Works wonderfullÃ½ well. > > AD is well ... part of the corporate landdscape. > > Most of Kerberos needs are done with Java in Hadoop. But details are buried in private Sun classes.. > > Google Madness beyond the gate hadoop for some Lovecraftian quotes describing the situation along educated info. > > Phil > > On Oct 26, 2017 18:23, "henry" <henry(a)callistohouse.club> wrote: > >> I have no idea which is best. For being able to say we use industry standard Kerberos, calling an accepted implementation seems wise, like OpenSSL support. >> >> - HH >> >> On Thu, Oct 26, 2017 at 11:39, Paulo R. Dellani <dellani(a)pobox.com> wrote: >> >>> This all sounds very interesting. What is the idea? Wrap libkrb5 through UFFI or implement it in Smalltalk? >>> >>> On 10/26/2017 04:38 PM, henry wrote: >>> >>>> A Kerberos effort will have to be a group effort. Sideways to my main focus and your allâs main focii. >>>> >>>> - HH >>>> >>>> On Thu, Oct 26, 2017 at 09:15, henry <henry(a)callistohouse.club> wrote: >>>> >>>>> I think another good service to integrate well to is Elastic Search. >>>>> >>>>> Of the 4 types of integration, I vote for and step forward to volunteer to help Kerberos integration in Pharo. What to do? >>>>> >>>>> - HH >>>>> >>>>> On Thu, Oct 26, 2017 at 09:06, henry <henry(a)callistohouse.club> wrote: >>>>> >>>>>> I try posting with a smaller image. >>>>>> >>>>>> [""hubbub.jpg""] >>>>>> >>>>>> - HH >>>>>> >>>>>>> âââ Original Message âââ >>>>>>> Subject: Re: [Pharo-users] Smalltalk Argument >>>>>>> Local Time: October 26, 2017 8:52 AM >>>>>>> UTC Time: October 26, 2017 12:52 PM >>>>>>> From: henry(a)callistohouse.club >>>>>>> To: phil(a)highoctane.be [<phil(a)highoctane.be>](mailto:phil@highoctane.be), Any question about pharo is welcome [<pharo-users(a)lists.pharo.org>](mailto:pharo-users@lists.pharo.org) >>>>>>> >>>>>>> Perhaps not, or not yet. Perhaps it is the communications foundation for an always-on cloud/bigData control layer. >>>>>>> >>>>>>> I would position ParrotTalk as a Kerberos transport. ParrotTalk does 2048-bin key negotiation and subsequent encryption/encoding, both user-supplied. >>>>>>> >>>>>>> Please see the attached diagram, co-locating ParrotTalk with my other components. >>>>>>> >>>>>>> ParrotTalk does not do user authentication/authorization. Which means to me that I should consider Kerberos authorization/authentication to establish as an integratable transport to play in bigData. >>>>>>> >>>>>>> This means you still need a Kerberos client and I need a Kerberos client. How do we start? >>>>>>> >>>>>>> - HH >>>>>>> >>>>>>> PS: I did much work integrating Kafka into a framework. I was thinking of inserting msg sending replication to a partition count of replicate queues for sending and receiving Hubbub traffic, thus inserting right where Kerberos is in the diagram. I would love to see client coupling for Kerberos, Kafka and Hadoop, while I figure out proper security to make that group happy with this as a possible control layer solution, forking off jobs. >>>>>>> >>>>>>> On Thu, Oct 26, 2017 at 03:14, phil(a)highoctane.be <phil(a)highoctane.be> wrote: >>>>>>> >>>>>>>> Sure. Current main issue is to have Pharo work with Kerberos as secured Hadoop uses the UGI (UserGroupInformation) thing and that is a black hole of crypto things. >>>>>>>> >>>>>>>> How would you see ParrotTalk work? >>>>>>>> >>>>>>>> I made a XmppTalk thing (binding for libstrophe) for having Pharo images and other stuff talk together (currently using OpenFire/Gajim/Profanity) FWIW >>>>>>>> >>>>>>>> See https://docs.google.com/presentation/d/1HTG3GB3xdwlje8wADZPjUQNIyA6tmuxyZz1… >>>>>>>> >>>>>>>> libstrophe does the SSL thing under the hood (using OpenSSL) and is actively maintained. >>>>>>>> https://github.com/strophe/libstrophe/blob/master/src/tls_openssl.c >>>>>>>> >>>>>>>> And I currently work with Kafka so, Pharo as a consumer or producer, sure am interested. But need Kerberos support. >>>>>>>> >>>>>>>> Tell me more about your vision. Even better, draw it in some way :-) >>>>>>>> >>>>>>>> Phil >>>>>>>> >>>>>>>> On Thu, Oct 26, 2017 at 8:43 AM, henry <henry(a)callistohouse.club> wrote: >>>>>>>> >>>>>>>>> This is a goal of ParrotTalk, to bring bit-compatible communications to Squeak, Pharo and Java. This is not an invocation bridge you speak of but a communications bridge to be able to run against Hadoop or whichever big data needs integration with (Kafka). I had hoped it might be adopted for such. Yet again this is not exactly what you were looking for but yet interesting perhaps? >>>>>>>>> >>>>>>>>> - HH >>>>>>>>> >>>>>>>>> On Thu, Oct 26, 2017 at 02:17, phil(a)highoctane.be < phil(a)highoctane.be> wrote: >>>>>>>>> >>>>>>>>>> I like that piece a lot, seeing exactly the described situation in large enterprises. >>>>>>>>>> >>>>>>>>>> I made a strategic decision to go with Pharo for the long run for my solutions because it is a stable base on which to build (ok, there are evolutions, but fundamentally, I can rely on it being under control and can maintain solutions in a version). >>>>>>>>>> >>>>>>>>>> The rationale is that at a deep level I am really fed up with having to deal with accidental complexity (now having to deal with Spark/Scala/sbt/Java/maven stuff) that makes the dev focus 80% technology drag and 20% net business contribution. >>>>>>>>>> >>>>>>>>>> One key thing is that a team needs guidance and Smalltalk makes it easier due to well known ways of doing things. >>>>>>>>>> >>>>>>>>>> Now we miss the boat on mobile and bigdata, but this is solvable. >>>>>>>>>> >>>>>>>>>> If we had an open Java bridge (and some people in the community have it for Pharo but do not open source it - so this is eminently doable) + Pharo as an embeddable piece (e.g. like Tcl and Lua) and not a big executable we would have a way to embed Pharo in a lot of places (e.g. in the Hadoop ecosystem where fast starting VMs and small footprint would make the cluster capacity x2 or x3 vs uberjars all over the place) this would be a real disruption. >>>>>>>>>> >>>>>>>>>> Think about being able to call Pharo from JNA https://github.com/java-native-access/jna the same way we use C with UFFI. >>>>>>>>>> >>>>>>>>>> Smalltalk argument for me is that it makes development bearable (even fun and enjoyable would I say) vs the other stacks. That matters. >>>>>>>>>> >>>>>>>>>> Phil

Oct. 27, 2017