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Tux Machines
Posted by Roy Schestowitz on Jul 26, 2023
> Dorota Rizik of the R Ladies New York recently talked to the R Consortium about the diverse R community in New York. She also discussed how her current job at a non-profit organization involves training her colleagues to use R. She shared details of some of the packages they have developed for internal use.
> A simple and basically universal approach for getting an answer from such a tree is what I call the 'Eval' pattern. In this pattern, you give each node in the tree an 'Eval()' method (often it takes some sort of context object as its argument), and then to get the answer you call Eval() on the top level node. Terminal nodes return their value in their Eval() (these may be strings and numbers or more complex things); higher level nodes call Eval() on their children (as necessary) and know how to combine the answers into their own answer, adding and subtracting and anding and oring and so on as required.
> WARNING for nRF52 boards only: If your board has an nRF52 UF2 bootloader whose version is before 0.6.1, you will not be able to load CircuitPython 8.2.0 and later. The 8.2.0 firmware is larger than what the bootloader can handle. See these instructions for updating your bootloader. [...]
> We’re closing on on 400 books in the collection!
> A new Economics chapter has been added and some of the books previously in Finance have been moved here.
> This post rounds up 7 of the newest additions. Thanks to Lluís Revilla, Mario De Toma and Gary for their submissions: [...]
> Nowadays, the first day of school lands somewhere between August and September, so it’s no surprise we’re seeing back-to-school sales early. As you start your back-to-school shopping, one thing you’ll want to be on the lookout for are fake reviews and unreliable third-party sellers persuading you to buy poor-quality products. To save you time and money, meet Fakespot, a free browser extension and website that provides an easy way to identify fake and unreliable reviews. Fakespot recently joined Mozilla, a company with a 25-year history of building products and services that puts people’s needs first when they go online. Today, Fakespot announced its product categories with the most reliable and unreliable reviews, just in time for the back-to-school shopping season.
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