January 2016 - Pharo-users - lists.pharo.org

[ANN] OSSubprocess v0.2.0 release
by Mariano Martinez Peck Jan. 20, 2016

Jan. 20, 2016

Hi guys, I am happy to announce OSSubprocess v0.2.0. You can see the changelog here: https://github.com/marianopeck/OSSubprocess/releases/tag/v0.2.0 Such version becomes the #stable, so the installation instructions remain the same. Note that I have improved and added more info in the documentation. I took into account most of the feedback I received in the first release plus some other stuff from the survey. If you have more feedback, just let me know! Hope you enjoy. Best, -- Mariano http://marianopeck.wordpress.com

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1st Call for Contributions for SPLASH'16: OOPSLA, Onward!, Workshops, DLS, SLE, GPCE
by Tijs van der Storm Jan. 19, 2016

Jan. 19, 2016

/************************************************************************************/ ACM Conference on Systems, Programming, Languages, and Applications: Software for Humanity (SPLASH'16) Amsterdam, The Netherlands Sun 30th October - Fri 4th November , 2016 http://2016.splashcon.org Sponsored by ACM SIGPLAN /************************************************************************************/ FIRST COMBINED CALL FOR CONTRIBUTIONS: OOPSLA Onward! Workshops Doctoral Symposium Posters Dynamic Languages Symposium (DLS) Software Language Engineering (SLE) Generative Programming: Concepts & Experiences (GPCE) /************************************************************************************/ # SPLASH 2016 The ACM SIGPLAN conference on Systems, Programming, Languages and Applications: Software for Humanity (SPLASH) embraces all aspects of software construction, to make it the premier conference at the intersection of programming, languages, systems, and software engineering. We invite high quality submissions describing original and unpublished work. ## OOPSLA Research Papers Papers that address any aspect of software development are welcome, including requirements, modeling, prototyping, design, implementation, generation, analysis, verification, testing, evaluation, maintenance, reuse, replacement, and retirement of software systems. Papers may address these topics in a variety of ways, including new tools (such as languages, program analyses, and runtime systems), new techniques (such as methodologies, design processes, code organization approaches, and management techniques), and new evaluations (such as formalisms and proofs, corpora analyses, user studies, and surveys). Submissions due: Wed 23 March, 2016 http://2016.splashcon.org/track/splash-2016-oopsla ## Onward! Research Papers Onward! is a premier multidisciplinary conference focused on everything to do with programming and software: including processes, methods, languages, communities, and applications. Onward! is more radical, more visionary, and more open than other conferences to ideas that are well-argued but not yet proven. We welcome different ways of thinking about, approaching, and reporting on programming language and software engineering research. Submissions due: Fri 1 April, 2016 http://2016.splashcon.org/track/onward2016/onward-2016-papers ## Onward! Essays Onward! Essays is looking for clear and compelling pieces of writing about topics important to the software community. An essay can be an exploration of a topic, its impact, or the circumstances of its creation; it can present a personal view of what is, explore a terrain, or lead the reader in an act of discovery; it can be a philosophical digression or a deep analysis. It can describe a personal journey, perhaps by which the author reached an understanding of such a topic. The subject area should be interpreted broadly and can include the relationship of software to human endeavors, or its philosophical, sociological, psychological, historical, or anthropological underpinnings. Submissions due: Fri 1 April, 2016 http://2016.splashcon.org/track/onward2016/onward2016-essays ## Workshops The SPLASH Workshops track will host a variety of high-quality workshops, allowing their participants to meet and discuss research questions with peers, to mature new and exciting ideas, and to build up communities and start new collaborations. SPLASH workshops complement the main tracks of the conference and provide meetings in a smaller and more specialized setting. Workshops cultivate new ideas and concepts for the future, optionally recorded in formal proceedings. Late Phase Submissions of Workshop Proposals due: Fri 4 Mar, 2016 http://2016.splashcon.org/track/splash2016-workshops ## Doctoral Symposium The SPLASH Doctoral Symposium provides students with useful guidance for completing their dissertation research and beginning their research careers. The Symposium will provide an interactive forum for doctoral students who have progressed far enough in their research to have a structured proposal, but will not be defending their dissertation in the next 12 months. Submissions due: Thu 30 Jun, 2016 http://2016.splashcon.org/track/splash-2016-ds ## Posters The SPLASH Poster track provides an excellent forum for authors to present their recent or ongoing projects in an interactive setting, and receive feedback from the community. We invite submissions covering any aspect of programming, systems, languages and applications. The goal of the poster session is to encourage and facilitate small groups of individuals interested in a technical area to gather and interact. Poster submissions due: Fri 8 Jul, 2016 http://2016.splashcon.org/track/splash-2016-posters ## Dynamic Languages Symposium (DLS) DLS is the premier forum for researchers and practitioners to share knowledge and research on dynamic languages, their implementation, and applications. The influence of dynamic languages â from Lisp to Smalltalk to Python to Javascript â on real-world practice, and research, continues to grow. We invite high quality papers reporting original research, innovative contributions, or experience related to dynamic languages, their implementation, and applications. Submissions due: Fri 10 June, 2016 http://2016.splashcon.org/track/dls-2016/dls-2016-papers ## Software Language Engineering (SLE) Software Language Engineering (SLE) is the application of systematic, disciplined, and measurable approaches to the development, use, deployment, and maintenance of software languages. The term âsoftware languageâ is used broadly, and includes: general-purpose programming languages; domain-specific languages (e.g. BPMN, Simulink, Modelica); modeling and metamodeling languages (e.g. SysML and UML); data models and ontologies (e.g. XML-based and OWL-based languages and vocabularies). SLE solicits high-quality contributions in areas ranging from theoretical and conceptual contributions to tools, techniques, and frameworks in the domain of language engineering. Submissions due: Fri 17 June, 2016 (abstracts); Fri 24 June, 2016 (papers) http://2016.splashcon.org/track/sle-2016/sle-2016-papers ## Generative Programming: Concepts & Experiences (GPCE) The International Conference on Generative Programming: Concepts & Experiences (GPCE) is a venue for researchers and practitioners interested in techniques that use program generation, domain-specific languages, and component deployment to increase programmer productivity, improve software quality, and shorten the time-to-market of software products. In addition to exploring cutting-edge techniques of generative software, our goal is to foster further cross-fertilization between the software engineering and the programming languages research communities. Submissions due: Fri 17 June, 2016 (abstracts); Fri 24 June, 2016 (papers) http://2016.splashcon.org/track/gpce-2016/gpce-2016-papers ## Information Contact: publicity(a)splashcon.org Website: http://2016.splashcon.org Location: MÃ¶venpick Hotel Amsterdam City Centre Amsterdam, The Netherlands ## Organization: SPLASH General Chair: Eelco Visser (TU Delft) OOPSLA Papers Chair: Yannis Smaragdakis (University of Athens) Onward! Papers Chair: Emerson Murphy-Hill (North Carolina State University) Onward! Essays Chair: Crista Lopes (University of California, Irvine) DLS PC Chair: Roberto Ierusalimschy (PUC-Rio) SLE PC Co-Chairs: Emilie Balland (Sensational AG) and Daniel Varro (Budapest University of Technology and Economics) GPCE PC Chair: Ina Schaefer (TU Braunschweig) Doctoral Symposium Chair: Matthew Flatt (University of Utah) SPLASH-E Co-Chair: Matthias Hauswirth (University of Lugano) and Steve Blackburn (Australian National University) SPLASH-I Co-Chairs: Eelco Visser (TU Delft) and Tijs van der Storm (CWI) Artifacts Co-Chairs: Michael Hind (IBM Research) and Michael Bond (Ohio State University) Workshops Co-Chairs: Jan Rellermeyer (IBM Research) and Craig Anslow (Middlesex University, London) Posters Co-Chairs: Sebastian Erdweg (TU Darmstadt) and Jeff Huang (Texas A&M University) Student Research Competition Co-Chairs: Patrick Lam (University of Waterloo) and Sam Guyer (Tufts University) Student Volunteer Co-Chairs: Daco Harkes (TU Delft) and Giovanni Viviani (University of British Columbia) Publications Chair: Alex Potanin (Victoria University of Wellington) Sponsorship Chair: Jurgen Vinju (Purdue University) Publicity and Web Co-Chairs: Tijs van der Storm (CWI) and Ron Garcia (University of British Columbia) Web Technology Chair: Eelco Visser (TU Delft) /************************************************************************************/ -- Researcher Centrum Wiskunde & Informatica (CWI) Master of Software Engineering Universiteit van Amsterdam (UvA) Dr. Tijs van der Storm @ Centrum Wiskunde & Informatica (CWI) Office: L225 | Phone: +31 (0)20 5924164 | Address: Science Park 123 P.O. Box 94079 | Postal code: 1090 GB | Amsterdam, The Netherlands

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Creation form from PNG file very slow on Pharo 4 and 5
by Dimitris Chloupis Jan. 19, 2016

Jan. 19, 2016

Seems that creating forms and morph from pngs is super slow opened bug report https://pharo.fogbugz.com/f/cases/17403/Creating-Forms-from-PNGs-is-very-sl…

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spotter: top search for senders and references
by Tudor Girba Jan. 19, 2016

Jan. 19, 2016

Hi, With the latest GT integration, we also integrated the search for senders and references from the first step. Here is a detailed explanation about it, including what we still want to do, how itâs done, and how to discover what else is around: http://www.humane-assessment.com/blog/spotting-senders-references-with-gtsp… Please let us know what you think. Cheers, Doru -- www.tudorgirba.com www.feenk.com "Problem solving efficiency grows with the abstractness level of problem understanding."

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unplanned outage: http://ss3.gemstone.com/ and http://seaside.gemtalksystems.com/ss
by Dale Henrichs Jan. 19, 2016

Jan. 19, 2016

The datacenter where the sites http://ss3.gemstone.com/ and http://seaside.gemtalksystems.com/ss are hosted lost their primary router, while the backup router was being repaired ... the machines hosting the two sites are up and running, so no data loss is expected. They are working on getting another router in=place, but no ETA is known at this time ... Dale

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a new version of gtdebugger
by Tudor Girba Jan. 18, 2016

Jan. 18, 2016

Hi, A new version of GTDebugger was just integrated. Several issues were addressed. Some more notable things are: - the stack shows columns for class, method, other info - there are new keybindings in place that do not collide with the text editor - the accept/cancel buttons are in the contextual menu at least for Pharo 5 - the variables pane received a label There are still some things todos left like: - the columns in the stack should be resizable - thisContext, stackTop - perhaps make the key bindings controllable through settings We kindly invite everyone to test it and provide feedback. Cheers, Doru -- www.tudorgirba.com www.feenk.com "Quality cannot be an afterthought."

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Fogbuz issues
by Dimitris Chloupis Jan. 18, 2016

Jan. 18, 2016

Since I am on a complaining spree lately let me complain once more. I really dont like Fogbuz and in order not to bore with blah blah lets get to 2 big issues 1) If you open a bug report it does not subscribe you to it, WTF !!! Who else could be more interested in my bug report than I ? 2) If I go to My Cases its shows none of the reports I opened , actually it shows nothing, none, zero , empty space WTF^2 And people then wonder why on earth I keep pushing for github integration, thats why !

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Re: [Pharo-users] Updated Pharo by Example
by stepharo Jan. 18, 2016

Jan. 18, 2016

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Re: [Pharo-users] Updated Pharo by Example
by Ãzel Ders METU Jan. 18, 2016

Jan. 18, 2016

How can I effectively unsubscribe from this email group. On Mon, Jan 18, 2016 at 10:26 AM, Manfred KrÃ¶hnert < pharo-users(a)lists.pharo.org> wrote: > > > ---------- Forwarded message ---------- > From: "Manfred KrÃ¶hnert" <mkroehnert42(a)googlemail.com> > To: Any question about pharo is welcome <pharo-users(a)lists.pharo.org> > Cc: > Date: Mon, 18 Jan 2016 09:25:25 +0100 > Subject: Re: [Pharo-users] Updated Pharo by Example > Hi, > > I just read through the Preface and it reads very well. > However, I found three small issues. > > On page 1 at the bottom there is "Seasideweb development" which I guess > should read "Seaside web development". > > On page 2 there is "MacOSX" as supported platform which Apple renamed to > "OS X" some time ago (OS X instead of MacOSX: > https://en.wikipedia.org/wiki/OS_X) > > Also on page 2 I read the sentence "You can make an impact on Pharo" but > to me it was not really obvious how this sentence relates to the paragraph > it belongs to or how you actually can make an impact on Pharo. > > Hope this helps, > Manfred > > > On Sun, Jan 17, 2016 at 6:33 PM, stepharo <stepharo(a)free.fr> wrote: > >> Here is the reviewed Preface of UpdatePharoByExample. >> >> https://github.com/SquareBracketAssociates/UpdatedPharoByExample for >> typos... >> >> stef >> > > >

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Memory mapped files and Pharo (aka Unreal Engine 4 integration with Pharo)
by Dimitris Chloupis Jan. 18, 2016

Jan. 18, 2016

An apology for the long post but this is not a simple issue and hence not a simple question. So I am looking into ways to integrate Pharo with Unreal to bring some nuclear powered graphics to Pharo and make us first class citizents to 2D and 3D world. For those not aware this is unreal https://www.unrealengine.com/what-is-unreal-engine-4 As suprising it may sound Unreal and Pharo share a lot in common 1) Both integrated languages with IDEs 2) Both promote live coding and live manipulation of data 3) Both promote visual coding 4) Both promote ease of use and wizard based development (aka RAD) Unreal is indeed a C++ based project made to be used by C++ coders but it comes with a very powerful visual coding language that can map visual nodes to any C++ function/Method and another common ground with Pharo is the very strict OO nature of both projects. But then OOP is very big in game development anyway. Of course my goal is not to force Pharoers to learn C++, but rather make a Pharo API so Pharo can be used to do some simple graphics development in the start and then we can continue importing more and more functionality. Unreal is generally a heavy engine that requires quite a powerful GPU but its rendering is just amazing. So how I make Pharo talk to Unreal is the million dollar question. The road of compiling Unreal as a set of DLLs to be loaded by Pharo via FFI is a road full of thorns because its quite an undertaking cause Unreal is HUGE and it will be nightmare to maintain since Unreal moves forward very fast. So we come to the subject of IPC, or Inter Process Communication. I am not new to this as you know I have build a socket bridge between Pharo and Python that allows Pharo to use Python libraries and in my implementation I focus on Blender Python API. But sockets are not exactly blazzing fast, calling functions is fine because you can even get responses bellow 1 millisecond but if try to run some heavy loops you will be in trouble. There are work arounds of course, like sending the loop with the socket and language etc but they overcomplicate something that at least in my opinion should remain simple. Another IPC method is shared memory, it is what it says , basically processes that share a place in memory where they can access the same data. Extremely fast but it has its own traps for example how to make sure the processes dont access the same data at the same time etc. So after some reading I came across to a shared memory model called Memory mapped files, basically what that means is essentially a virtual file that resides on memory (it may also reside on the hard disk or other permanent physical storage but its not necessary) that different processes can access. So in our case we can have memory mapped file that Unreal , Pharo and even Blender can access where we can store command / messages that each diffirent application must execute, let them share data and sky is the limit. Now I know this will not be a walk in the park specially to someone like me a C++ noob but I am looking for the Pharo wisemen wisewomen to guide me at least through the obstacles of this. So the questions are the following 1) Do you think this is possible with the current Pharo ? 2) Will I be limited by the fact that the VM currently does not multithread or cannot use multithreading libraries ? ( I have no intention of using multithreading but some handling of process access to the data may be necessary to make sure data is safe from concurent modification) 3) Is there anything else I should be aware of as common pitfalls for such implementation ? 4) Can the current FFI help in this task or would I need to implement this as a C DLL and load it from Pharo PS: I have no intention of messing with the Pharo VM and I also want to avoid the use of plugins as I want this to work with standard Pharo distributions.

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