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...an excellent venue for deep technical discussions about R >> implementations, tools, optimizations and R extension, and will be very >> interesting for anyone interested in what?s under the hood of R. >> >> Regards, >> Stepan Sindelar, Lukas Stadler (Oracle Labs), Jan Vitek (Northeastern), >> Alexander Bertram (BeDataDriven) >> >> [1] https://nam05.safelinks.protection.outlook.com/?url=http%3A%2F%2Friotworkshop.github.io%2F&data=02%7C01%7Cj.vitek%40northeastern.edu%7C649169c229e1438e351808d7bb05473a%7Ca8eec281aaa34daeac9b9a398b9215e7%7C0%7C0...

...R! 2020 in St. Louis on July 8th. RIOT is an excellent venue for deep technical discussions about R implementations, tools, optimizations and R extension, and will be very interesting for anyone interested in what?s under the hood of R. Regards, Stepan Sindelar, Lukas Stadler (Oracle Labs), Jan Vitek (Northeastern), Alexander Bertram (BeDataDriven) [1] http://riotworkshop.github.io/

On Tue, Mar 5, 2019 at 12:49 PM jan Vitek <vitekj at icloud.com> wrote: > Everything is possible. One can compile C++ into JavaScript. > > But why? > > I would like to support Java style syntax for class definitions. (Then it could transcompile into either S3 or S4). And possibly change some other things while I'...

Dear all, at UseR! 2013, the FastR project was announced by Tomas Kalibera, Petr Maj, and Jan Vitek. FastR is an implementation of the R programming language in Java using AST interpretation and specialisation for improved performance. Since, the implementation has been extended to support JIT compilation, leading to performance improvements. The goal of the project is to further the R community...

It may be possible to create an R-like programming language that transcompiles into R code (or otherwise constructs R objects and calls R functions). I'm not sure whether it would pass R check or not, I will probably try... But the bigger question is: Should CRAN accept packages written in such a way? I could email Kurt Hornik or Uwe Ligges, and ask them. However, I thought that I would ask

Hello R experts, I plan to develop a tool for dynamic analysis of R programs. I would like to trace function calls at runtime, capturing argument and return values. Following a suggestion made some time ago on this list, my high-level implementation strategy is to rewrite the AST, augmenting call expressions with pre-call and post-call shims to capture the arguments and return value,

On Thu, Aug 9, 2018 at 4:26 PM jan Vitek <vitekj at icloud.com> wrote: > > > I'm now confident that I > > can avoid using "type" by itself, and instead always use it in a > > compound phrase (like type system) to avoid confusion. That leaves the > > `.type` argument to many vctrs functions. I...

...hfeld, Hasso Plattner Institute, Germany Tony Hosking, Purdue University, USA Doug Lea, SUNY Oswego, USA Eliot Moss, University of Massachusetts, USA Nate Nystrom, University of Lugano, Switzerland Tiark Rompf, Purdue University, USA Jennifer B. Sartor, Vrije Universiteit Brussel, Belgium JeremyJan Vitek, Northeastern University, USA Christian Wimmer, Oracle Labs, USA Jianjun Zhao, Kyushu University, Japan ======== Location ======== Linz, the capital of Upper Austria, is both a city of culture and of industry. Located at the Danube it features a historic downtown and a modern university campus ju...

...rmany > Tony Hosking, Purdue University, USA > Doug Lea, SUNY Oswego, USA > Eliot Moss, University of Massachusetts, USA > Nate Nystrom, University of Lugano, Switzerland > Tiark Rompf, Purdue University, USA > Jennifer B. Sartor, Vrije Universiteit Brussel, Belgium > JeremyJan Vitek, Northeastern University, USA > Christian Wimmer, Oracle Labs, USA > Jianjun Zhao, Kyushu University, Japan > > ======== > Location > ======== > > Linz, the capital of Upper Austria, is both a city of culture and of > industry. Located at the Danube it features a historic...

...them. > However, I thought that I would ask here first. > > ______________________________________________ > R-devel at r-project.org mailing list > https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fstat.ethz.ch%2Fmailman%2Flistinfo%2Fr-devel&amp;data=02%7C01%7Cj.vitek%40northeastern.edu%7C65c14d53fbc44634f88508d6a0f9151d%7Ca8eec281aaa34daeac9b9a398b9215e7%7C0%7C0%7C636873389038367455&amp;sdata=vrZX4jUoakFB%2FRBG6aTjpYsw4fv4NfvIszOxNLhb7Rs%3D&amp;reserved=0

...ly 8th. RIOT > is an excellent venue for deep technical discussions about R > implementations, tools, optimizations and R extension, and will be very > interesting for anyone interested in what?s under the hood of R. > > Regards, > Stepan Sindelar, Lukas Stadler (Oracle Labs), Jan Vitek (Northeastern), > Alexander Bertram (BeDataDriven) > > [1] http://riotworkshop.github.io/ > > ______________________________________________ > R-devel at r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel

Hi, I am trying to convert email box in mbox format to maildir++. It converts all folders except INBOX. For example: dsync -D -v -f -u 'info at example.org' mirror 'maildir:~/Maildir' prints: dsync(info at example.org): Info: Sport: only in source So it converts Sport folder, but INBOX folder is ignored. dovecot.conf contains: mail_location = mbox:~/mail:INBOX=/var/mail/%u

...ing worth thinking about for us. The contact for genthtat is Filip. We are also writing a tool for analyzing promises and generating execution traces within the R VM. This is available in https://github.com/PRL-PRG/R-dyntrace Aviral and Konrad are the contacts there. Best, jan Jan Vitek, Professor Computer Science, Northeastern University > On Jan 3, 2018, at 7:18 PM, Peter Meilstrup <peter.meilstrup at gmail.com> wrote: > > For 2), it is not exposed in R's standard library but it is exposed in > the Rinternals API. A promise that is forced in normal eval...

...IT Systeme AG . und andere ... zusammen. Ich bin sehr kreative und habe viele Ideen, die man sicherlich bei der L?sung Ihrer verschiedenen Probleme nutzen k?nnte. Wenn Sie ein Interesse f?r eine Zusammenarbeit mit mir h?tten, kontaktieren Sie mich bitte auf meine Email-Adresse: info@MichalVitek.cz oder telefonisch +420 607 977 493. Ich danke Ihnen f?r die Zeit, die Sie bei dem Lesen meine Referenzen hingebracht haben. Mit freundlichen Gr??en Michal Vitek Programmierer-analytiker Masarykova 1154/34 CZ-363 01 Ostrov Handy: +420 607 977 493 Email: info@MichalVitek.cz http://www.Michal...

> > As Gabe mentioned (and you've explained about) the term "type" > > is really confusing here. As you know, the R internals are all > > about SEXPs, TYPEOF(), etc, and that's what the R level > > typeof(.) also returns. As you want to use something slightly > > different, it should be different naming, ideally something not > > existing yet

My intention is to give a presentation about R programming language for software developers. I would like to ask, what are the things that make R different from other programming languages? What are the specific cases where Java/C#/Python developer might say "Wow, that was neat!"? What are the things that are easy in R, but very difficult in other programming languages (like Java)?

> I'm now confident that I > can avoid using "type" by itself, and instead always use it in a > compound phrase (like type system) to avoid confusion. That leaves the > `.type` argument to many vctrs functions. I'm considering change it to > .prototype, because what you actually give it is a zero-length vector > of the class you want, i.e. a prototype of the

Hi, I dont know why dsync requires o+rx in working dir, at least it could give better error message when working dir has o-rwx. # cd # mkdir test # cd test # dsync -D -v -u 'info at example.org' -o 'mail_privileged_group=mail' -o 'mail_location=mbox:/email/info at example.org/mail:INBOX=/var/mail/info at example.org' mirror 'maildir:~/Maildir' dsync(info at

Same problem here. I clicked the unsubscribed button, but didnt receive the email. Regards Jan On 30. 11. 18 10:50, glide3 at gmail.com wrote: > Same problem here. > > https://dovecot.org/mailman/options/dovecot-news > > Sadly the remind password button / unsubscribe email button click and claim > to send me a email but they don't. > > Assume its due a high