Publications by Roman Luštrik

Pin package versions in your production Docker image

25.06.2020

Using package in R is easy. You install from CRAN using install.packages("packagename"), it resolves dependencies and you’re good to go. What R natively doesn’t handle so well is installing a particular package version without jumping through hoops. Technically you need the source file of the package version you want to install AND all source...

2114 sym Python (2046 sym/1 pcs)

Pin package versions in your production Docker image

25.06.2020

Using package in R is easy. You install from CRAN using install.packages("packagename"), it resolves dependencies and you’re good to go. What R natively doesn’t handle so well is installing a particular package version without jumping through hoops. Technically you need the source file of the package version you want to install AND all source...

2114 sym Python (2046 sym/1 pcs)

Water well outflow rate

15.05.2021

The house I live in has been built around 1939 and is accompanied by a water well that is about 6 m deep. This was dug out by hand, 0.5 m a day, added scaffolding, added concrete and so on for a few weeks. I think, but see the below figure where on the right side you can see the jagged ledges that would explain this hypothesis. In the past (think...

2418 sym R (754 sym/1 pcs) 4 img

Problem compiling RSQLite from source

22.05.2021

When I tried to compile RSQLite from source on Fedora 34, I was awaited by this error message. Error installing package 'RSQLite': =================================== * installing to library ‘/.../renv/staging/1’ * installing *source* package ‘RSQLite’ ... ** package ‘RSQLite’ successfully unpacked and MD5 sums checked ** using staged...

790 sym Python (1510 sym/1 pcs)

Working with Notion API from R

21.06.2021

When searching for a solution where I could store some flat files as a database, Notion came up. The nice thing about it is that it offers an API to most of its functionality. At the time of this writing this is still in beta, but hopefully it will become even more powerful in the future. The functionality I’m concerned with right now is intera...

1332 sym R (1939 sym/5 pcs)