June 2013 - Pharo-dev - lists.pharo.org

Re: [Pharo-dev] [ANN] Barcode project with initial EAN13

by StÃ©phane Ducasse

On Jun 15, 2013, at 1:40 PM, Torsten Bergmann <astares(a)gmx.de> wrote: > Stef wrote: >> Excellent >> How do you plug that with a camera and image recognition system? > > Its about creation of barcodes - not scanning. > > BTW: when does someone harvest the code of the CameraPlugin from Scratch > to have camera support in Pharo VMs? when someone does it :) And also pay attention to the license. > Esteban wrote: >> I'm in a project using EAN13 (and 8) a lot, but the scanning is done at the >> client with a third party lib. However it is good to know I'll have support >> at the server side. > > On the server you have many options - if you use seaside you can use > many javascript/jquery plugins to render a barcode on the clients webbbrowser. > > Having barcode created directly in Pharo as form is nice when you create > documents with Artefact (Pharo PDF framework) and want to put a barcode > onto them. > > Bye > T. >

June 15, 2013

Re: [Pharo-dev] About validation

by StÃ©phane Ducasse

On Jun 15, 2013, at 1:18 PM, Sean P. DeNigris <sean(a)clipperadams.com> wrote: > StÃ©phane Ducasse wrote >> Now does anybody implemented in Pharo the SUnit extension? > > From http://forum.world.st/ANN-ValidationRevisited-alpha-td4690680.html : > Gofer it > smalltalkhubUser: 'SeanDeNigris' project: 'aMentoringCourseOnSmalltalk'; > package: 'ValidationRevisited'; > load. > > But Andres went far, far beyond what's in the book in VW's Assessments > library [1]. That would be very cool to research/port to Pharoâ¦ Yes Now having the first layer and learning from it would be good. In assessment he generates class on the fly and more. My point is that we have a culture for testing and it would be good to have one for validation. Stef > > [1] > http://forum.world.st/ANN-ValidationRevisited-alpha-tp4690680p4690751.html > > > > ----- > Cheers, > Sean > -- > View this message in context: http://forum.world.st/Pharo-dev-About-validation-tp4693434p4693463.html > Sent from the Pharo Smalltalk Developers mailing list archive at Nabble.com. >

June 15, 2013

[ANN] Barcode project with initial EAN13

by Torsten Bergmann

Stef wrote: >Excellent >How do you plug that with a camera and image recognition system? Its about creation of barcodes - not scanning. BTW: when does someone harvest the code of the CameraPlugin from Scratch to have camera support in Pharo VMs? Esteban wrote: >I'm in a project using EAN13 (and 8) a lot, but the scanning is done at the >client with a third party lib. However it is good to know I'll have support >at the server side. On the server you have many options - if you use seaside you can use many javascript/jquery plugins to render a barcode on the clients webbbrowser. Having barcode created directly in Pharo as form is nice when you create documents with Artefact (Pharo PDF framework) and want to put a barcode onto them. Bye T.

June 15, 2013

Re: [Pharo-dev] [ANN] Barcode project with initial EAN13

by Esteban A. Maringolo

As far as I understood it is Barcode generation and not scanning. I'm in a project using EAN13 (and 8) a lot, but the scanning is done at the client with a third party lib. However it is good to know I'll have support at the server side. Regards, El 15/06/2013 05:01, "StÃ©phane Ducasse" <stephane.ducasse(a)inria.fr> escribiÃ³: > Excellent > How do you plug that with a camera and image recognition system? > > > Hi, > > > > didnt know Barcodes are so easy to implement in Smalltalk. So I started > with EAN13 barcode > > together with unit tests. Project lives on: > > > > http://smalltalkhub.com/#!/~TorstenBergmann/Barcode > > > > You can also load it using the config browser in Pharo 2.0 now. > > > > It is already usable - thanks to the power of Pharo. Short Guide: > > > > > ------------------------------------------------------------------------------------------------ > > To instantiate: > > > > BarcodeEAN13 value: '2109876543210' > > > > You can get the binarySequence of a barcode: > > > > (BarcodeEAN13 value: '2109876543210') binarySequence > > > > calcuate the checksum (last digit: > > > > (BarcodeEAN13 value: '2109876543210') computeChecksum > > > > or visualize the barcode: > > > > BarcodeEAN13 example asForm asMorph openInWorld > > > > or to write to a file: > > > > PNGReadWriter putForm: BarcodeEAN13 example asForm onFileNamed: > 'sample.png' > > > > > ------------------------------------------------------------------------------------------------ > > > > Feel free to extent with other barcode types. > > > > Have fun > > T. > > > > <sample.png> > > >

June 15, 2013

Re: [Pharo-dev] About validation

by Sean P. DeNigris

StÃ©phane Ducasse wrote > Now does anybody implemented in Pharo the SUnit extension? >From http://forum.world.st/ANN-ValidationRevisited-alpha-td4690680.html : Gofer it smalltalkhubUser: 'SeanDeNigris' project: 'aMentoringCourseOnSmalltalk'; package: 'ValidationRevisited'; load. But Andres went far, far beyond what's in the book in VW's Assessments library [1]. That would be very cool to research/port to Pharo... [1] http://forum.world.st/ANN-ValidationRevisited-alpha-tp4690680p4690751.html ----- Cheers, Sean -- View this message in context: http://forum.world.st/Pharo-dev-About-validation-tp4693434p4693463.html Sent from the Pharo Smalltalk Developers mailing list archive at Nabble.com.

June 15, 2013

Re: [Pharo-dev] [ANN] Voyage updated to 2.0 and blog post

by Auverlot Olivier

Hi Esteban, Very cool ! thanks for the documentation. I just started a project with Mongodb and Voyage. The tutorial will help me. Best regards Olivier ;-) > Hi, > > I worked a bit on voyage today to update the configuration for 2.0 (it was working, but not with the latest versions). > I also finished a small tutorial I was working on, in the form of a blog: > > http://smallworks.com.ar/web/blog/2013-06-14-voyage-the-adventure > > Cheers, > Esteban

June 15, 2013

Re: [Pharo-dev] [ANN] Barcode project with initial EAN13

by StÃ©phane Ducasse

Excellent How do you plug that with a camera and image recognition system? > Hi, > > didnt know Barcodes are so easy to implement in Smalltalk. So I started with EAN13 barcode > together with unit tests. Project lives on: > > http://smalltalkhub.com/#!/~TorstenBergmann/Barcode > > You can also load it using the config browser in Pharo 2.0 now. > > It is already usable - thanks to the power of Pharo. Short Guide: > > ------------------------------------------------------------------------------------------------ > To instantiate: > > BarcodeEAN13 value: '2109876543210' > > You can get the binarySequence of a barcode: > > (BarcodeEAN13 value: '2109876543210') binarySequence > > calcuate the checksum (last digit: > > (BarcodeEAN13 value: '2109876543210') computeChecksum > > or visualize the barcode: > > BarcodeEAN13 example asForm asMorph openInWorld > > or to write to a file: > > PNGReadWriter putForm: BarcodeEAN13 example asForm onFileNamed: 'sample.png' > > ------------------------------------------------------------------------------------------------ > > Feel free to extent with other barcode types. > > Have fun > T. > > <sample.png>

June 15, 2013

Re: [Pharo-dev] [Pharo-users] [ANN] Voyage updated to 2.0 and blog post

by StÃ©phane Ducasse

Thanks esteban I will convert the blog into a draft chapter so that olivier can help documenting it too. Stef On Jun 14, 2013, at 4:01 PM, Esteban Lorenzano <estebanlm(a)gmail.com> wrote: > Hi, > > I worked a bit on voyage today to update the configuration for 2.0 (it was working, but not with the latest versions). > I also finished a small tutorial I was working on, in the form of a blog: > > http://smallworks.com.ar/web/blog/2013-06-14-voyage-the-adventure > > Cheers, > Esteban

June 15, 2013

Re: [Pharo-dev] [BUG]: Extension Methods Missing from Packages

by StÃ©phane Ducasse

Hi guys we have some deadlines coming and esteban got some deadline last week, igor is diving into the new text model and doing a large pass on it and we should be back on hacking mode. Stef On Jun 13, 2013, at 2:31 PM, Goubier Thierry <thierry.goubier(a)cea.fr> wrote: > However, if you write the extension category as *announcements-core, then the bug you describe does not happen. > > (Note: with my AltBrowser, you don't write the '*announcements-core' category, you drag the new method on the extension part of the Announcements-Core package, and the right protocol will be created for you) > > I think that overall we have a conflict with overlapping names in packages (a package with subcategories or: two packages, the first one with as name the prefix of another packages name) and I'd like a decisive resolution on that. > > In short, when you write *announcements-core-subcategory, to you want it to be: > 1)a subcategory of *announcements-core, or > 2)for a package named announcements-core-subcategory, > 3)or a subcategory of announcements ? > > (I guess you want 1), and the system 2), but your change may result in 3) > > I like it that this code rely on category:matches: whose code is repeated four times in my 2.0 image: > > PackageInfo>>category:matches: > RGContainer>>category:matches: > RPackage>>category:matches: > RPackageOrganizer>>category:matches: > > Thierry > > Le 11/06/2013 21:11, Sean P. DeNigris a Ã©crit : >> This is a nasty one. It may lead to lost code, without warning or >> notification. Applies to latest 2.0 and 3.0: >> 1. In Nautilus, in any class outside Announcements-Core, add protocol >> '*announcements-core-subcategory' >> 2. Open MCWrokingCopyBrowser. You will see that Announcements-Core is dirty >> 3. Click the "Changes" button >> >> It will say that there are no changes, and the package will be unmarked as >> dirty. This is because 'announcements-core-subcategory' was created as a >> separate RPackage and stole the extension method. >> >> For 3.0, >> https://pharo.fogbugz.com/f/cases/10887/Compound-Extension-Methods-Unpackag… >> >>> Fix in inbox: >>> SLICE-Issue-10887-Compound-Extension-Methods-Unpackaged-SeanDeNigris.1 >>> >>> Case 10887: Compound Extension Methods Unpackaged >>> >>> * Fix RPackageOrganizer>>checkPackageExistsOrRegister:, which is sent when >>> a class organization changes, to see if extension methods have been added >>> * Add test which fails before fix and passes after >> >> For 2.0, >> https://pharo.fogbugz.com/f/cases/10888/Backport-2-0-Compound-Extension-Met… >> >>> Fix in inbox: >>> SLICE-Issue-10888-Backport-20-Compound-Extension-Methods-Unpackaged-SeanDeNigris.1 >> >> >> >> >> >> ----- >> Cheers, >> Sean >> -- >> View this message in context: http://forum.world.st/BUG-Extension-Methods-Missing-from-Packages-tp4692842… >> Sent from the Pharo Smalltalk Developers mailing list archive at Nabble.com. >> >> > > -- > Thierry Goubier > CEA list > Laboratoire des Fondations des SystÃ¨mes Temps RÃ©el EmbarquÃ©s > 91191 Gif sur Yvette Cedex > France > Phone/Fax: +33 (0) 1 69 08 32 92 / 83 95 >

June 15, 2013

Re: [Pharo-dev] [BUG]: Extension Methods Missing from Packages

by StÃ©phane Ducasse

On Jun 14, 2013, at 9:29 AM, Esteban Lorenzano <estebanlm(a)gmail.com> wrote: > > On Jun 14, 2013, at 7:52 AM, Marcus Denker <marcus.denker(a)inria.fr> wrote: > >> >> On Jun 14, 2013, at 4:13 AM, Sean P. DeNigris <sean(a)clipperadams.com> wrote: >> >>> This bug is a major PITA. Pleeeeease review and integrate the fixes!!! >>> >> >> >> Yes, it would be nice if more people would help reviewing things. >> I feel like I am the only one. > > that's so cruel :'( let us say that we are at least 3 :) Stef > > :) > >> >> Marcus >> > >

June 15, 2013