January 2018 - Pharo-users - lists.pharo.org

Pharo things analog reads ?
by Steven Costiou Feb. 5, 2018

Feb. 5, 2018

Hi, For what i know, raspberry pi boards cannot read analog sensors (which are the most interesting imo), except by connecting to some kind of bridges or to Arduino boards. In the PharoTHings code i see that there are Arduino classes, and also it is based on wiringpi and wiringpi provides support for i2c which is needed to connect to an Arduino and perform analog reads. I'm exploring the wiringpi doc to see if there is an example for that, but in the meantime, would someone already have an example of analog reads with PharoThings, with working code (even simple) ? Steven.

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Metacello with Git
by Vitor Medina Cruz Feb. 3, 2018

Feb. 3, 2018

Hello, Using github://<github_path>/<srcpath> metacello works fine, but is there another more general way of refering to a remote git repo? From BitBucket or Gitlab for example. Regards, Vitor

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[ANN] Updating Consultants Listing
by Marcus Denker Feb. 2, 2018

Feb. 2, 2018

Hi, We have http://consultants.pharo.org <http://consultants.pharo.org/> I want to change it to - not be a forward to files.pharo.org <http://files.pharo.org/> - be auto-generated from the https://association.pharo.org <https://association.pharo.org/> But we should update it already before that is finished. So: If you want to be listed, please send your infos in the form: PharoConsultant { #name : Your name', #email : your(a)email.com', #website : 'http://your-website.com', #id : 'yourname (currently not used for anything)', #location : 'City, Country of your business', #languages : 'what languages do you speak', #industryExperienceSince : 1994, #pharoExperienceSince : 2008, #areasOfExpertise : 'what are your areas of expertise. E.g. business apllications, user interface, legacy, ...', #smalltalkExperienceSince : 2002 } (or open a pull request at: https://github.com/pharo-project/pharo-project-consultants/ <https://github.com/pharo-project/pharo-project-consultants/>) Marcus

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is OSSubProcess working in Pharo 6.1?
by Stephane Ducasse Feb. 2, 2018

Feb. 2, 2018

Hi in pillar 70 we have baseline: spec <baseline> spec for: #common do: [ spec blessing: #baseline. spec repository: 'http://smalltalkhub.com/mc/Pier/Pillar/main/'. spec baseline: 'OSSubprocess' with: [ spec repository: 'github://marianopeck/OSSubprocess:v0.2.5/repository' ]; baseline: 'Mustache' with: [ spec repository: 'github://noha/mustache:v1.0/repository' ]; project: 'Cocoon' but travis reports this: Fetched -> OSSubprocess-cypress.1 --- github://marianopeck/OSSubprocess:v0.2.5/repository [1d56f81:v0.2.5] --- github://marianopeck/OSSubprocess:v0.2.5/repository Fetched -> OSSubprocess-Tests-cypress.1 --- github://marianopeck/OSSubprocess:v0.2.5/repository [1d56f81:v0.2.5] --- github://marianopeck/OSSubprocess:v0.2.5/repository ...RETRY ...RETRYMessageNotUnderstood: receiver of "withSqueakLineEndings" is nil UndefinedObject(Object)>>doesNotUnderstand: #withSqueakLineEndings MCFileTreeStCypressReader>>addClassAndMethodDefinitionsFromEntry: and I do not get why? Stef

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P3 library - setting database in url?
by Ben Coman Feb. 1, 2018

Feb. 1, 2018

Hi Sven, I'm using your P3 library https://github.com/svenvc/P3 to connect to TimescaleDB set up like this tutorial... http://docs.timescale.com/v0.8/tutorials/tutorial-hello-nyc but the following doesn't work unless I un-comment the second line... (P3Client new url: 'psql://postgres:password@localhost:5432/nyc_data') in: [ :client | [ " client database: 'nyc_data'. " client query: 'SELECT date_trunc(''day'', pickup_datetime) as day, avg(fare_amount) FROM rides WHERE passenger_count > 1 AND pickup_datetime < ''2016-01-08'' GROUP BY day ORDER BY day;' ] ensure: [ client close ] ]. Is it supposed to work without the second line, just with the database set in the url ? cheers -ben P.S. TimescaleDB looks like cool tech... https://blog.timescale.com/time-series-data-why-and-how-to-use-a-relational… Some notes for anyone wanting to try tutorial-hello-nyc... a. Postgresql >9.6.3 is required, for which the default install on Ubuntu 16.04 had a problem with libpq not being recent enough. I needed to follow these steps... https://askubuntu.com/questions/831292/how-to-install-postgresql-9-6-on-any… b. Downloading the sample data errored using the given "https" url, but plain "http" worked... http://timescaledata.blob.core.windows.net/datasets/nyc_data.tar.gz

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Download pillar image -> Error 403: Forbidden
by HernÃ¡n Morales Durand Jan. 31, 2018

Jan. 31, 2018

I am following the Publishing Pillar Booklet guide from here https://github.com/SquareBracketAssociates/Booklet-PublishingAPillarBooklet $ git clone git@github.com:SquareBracketAssociates/Booklet-PublishingAPillarBooklet.git $ cd Booklet-PublishingAPillarBooklet/ $ wget https://raw.githubusercontent.com/pillar-markup/pillar/master/download.sh $ chmod +x download.sh $ ./download.sh --2018-01-25 17:56:32-- http://get.pharo.org/vm50 Resolving get.pharo.org (get.pharo.org) 164.132.235.17 Connecting to get.pharo.org (get.pharo.org)|164.132.235.17|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 5819 (5.7K) Saving to: 'STDOUT' 0K ..... 100% 371K=0.02s 2018-01-25 17:56:33 (371 KB/s) - written to stdout [5819/5819] Downloading the latest pharoVM: http://files.pharo.org/get-files/50/pharo-win-stable.zip pharo-vm/Pharo.exe Downloading PharoV50.sources: http://files.pharo.org/get-files/50/sources.zip Creating starter scripts pharo and pharo-ui --2018-01-25 17:57:21-- https://github.com/pillar-markup/pillar/releases/download/50/Pillar-deploym… Resolving github.com (github.com) 192.30.253.112, 192.30.253.113 Connecting to github.com (github.com)|192.30.253.112|:443... connected. HTTP request sent, awaiting response... 302 Found Location: https://github-production-release-asset-2e65be.s3.amazonaws.com/41843105/f4… [following] --2018-01-25 17:57:23-- https://github-production-release-asset-2e65be.s3.amazonaws.com/41843105/f4… Resolving github-production-release-asset-2e65be.s3.amazonaws.com (github-production-release-asset-2e65be.s3.amazonaws.com) 54.231.115.35 Connecting to github-production-release-asset-2e65be.s3.amazonaws.com (github-production-release-asset-2e65be.s3.amazonaws.com)|54.231.115.35|:443... connected. HTTP request sent, awaiting response... 200 OK Length: 18482449 (18M) [application/octet-stream] Saving to: 'imageLn5zD.zip' imageLn5zD.zip 10%[=> ] 1.88M 502 B/s in 8m 7s 2018-01-25 18:15:45 (3.94 KB/s) - Read error at byte 1966661/18482449 (Bad file descriptor). Retrying. --2018-01-25 18:15:46-- (try: 2) https://github-production-release-asset-2e65be.s3.amazonaws.com/41843105/f4… Connecting to github-production-release-asset-2e65be.s3.amazonaws.com (github-production-release-asset-2e65be.s3.amazonaws.com)|54.231.115.35|:443... connected. HTTP request sent, awaiting response... 403 Forbidden 2018-01-25 18:15:47 ERROR 403: Forbidden. Also the download speed was super slow. Any ideas? Cheers, HernÃ¡n

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FYI: HTTP mocking lib (alpha) at https://lolg.it/herby/znock
by Herbert VojÄÃk Jan. 31, 2018

Jan. 31, 2018

Hi! I started with a rudimentary HTTP mocking lib (adding features as needed) inspired by nock, but using the existing ZnClient / ZnRequest / ZnResponse api for mocking. Atm the feature are very basic (no filtering, matching only by host and scheme), but there it is for the interested. Usage: setUp "other stuff" Znock default intercept tearDown "other stuff" Znock default verify testFooBar 'https://foo.bar' znock url: '/api/v0/info'; get; ok: (ZnEntity json: self sampleInfoResponse). "code that should get https://foo.bar/api/v0/info" The setUp starts and cleans the mocker; the test case sets up the expectation that GET https://foo.bar/api/v0/info will occur and defines the response; tearDown checks that that GET actually appeared and fails if not. DNU w/ whitelisting is used to reply certain ZnClient messages to set up the expectation, ZnResponse class messages to create the response and ZnResponse messages to fill it further. So you can 'foo.bar' znock https; url: '/api/v0/info'; get; notModified. if you like it this way or 'foo.bar' znock url: '/api/v0/info'; get; notModified. to allow both http and https; eventually 'foo.bar/api/v0/info' znock get; notModified. if you want it shorter; mocking multiple req/res pair should work (not tested), as in 'foo.bar' znock url: '/api/v0/info'; get; notModified; url: '/api/v0/last'; get; ok: (ZnEntity textCRLF: 'herby'). Both must appear (in any order) for verify to be happy. Herby

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[ANN] Recording Pharo Techtalk Jan18
by Marcus Denker Jan. 31, 2018

Jan. 31, 2018

Hi, The recording and slides for yesterdays TechTalk are available: Topic: Genetic Algorithms PDF: http://files.pharo.org/media/techtalk/2018-TechTalk-AI-GeneticAlgorithm.pdf Video on Youtube: https://www.youtube.com/watch?v=ZB1U259wPaA (added to the archive at http://pharo.org/TechTalk ) Future TechTalks: â¢ Feb 15: Contributing to Pharo 7. https://association.pharo.org/event-2797065 â¢ March 22: Report 2017 Pharo Consortium and Association. https://association.pharo.org/event-2797067 â¢ April 12: Pillar. https://association.pharo.org/event-2797068 â¢ May 17: TBA â¢ June 14 TBA Marcus

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Sending notifications from Pharo to your Mobile via Pushover.net
by Sven Van Caekenberghe Jan. 30, 2018

Jan. 30, 2018

Hi, Just a little snippet I wanted to share. Pushover (https://pushover.net) is a general service that delivers notifications to iOS, Android and desktop devices via an API (and an email gateway as well). It is really easy to get started with. This is how you do it from Pharo: ZnClient new systemPolicy; url: 'https://api.pushover.net/1/messages.json'; accept: ZnMimeType applicationJson; contentReader: [ :entity | NeoJSONObject fromString: entity contents ]; contentWriter: [ :object | ZnEntity json: object asString ]; contents: (NeoJSONObject new token: 'ax4o55o6g5imb1a6st3m9x34hqu44z'; user: 'uv2fovx3f9sp3rgssrupvjgvdo8quw'; title: 'Test 3'; message: ('This is a test @ {1} by {2}.' format: { DateAndTime now. SystemVersion current })); post. It will look like this on your mobile device (just seconds later): Nothing special, but pretty handy. Sven -- Sven Van Caekenberghe Proudly supporting Pharo http://pharo.org http://association.pharo.org http://consortium.pharo.org

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Techtalk starting: Genetic Algorithms
by Marcus Denker Jan. 30, 2018

Jan. 30, 2018

TechTalk is starting now. Link is: https://www.youtube.com/watch?v=ZB1U259wPaA Pharo TechTalk: Genetic Algorithms https://association.pharo.org/event-2757884

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