r~~‭

Python doesn't support extending the mechanics of how f-strings are parsed; the reference doesn't give the specific mechanism, but it doesn't say that there's any connection between the parsing of ...

posted 4y ago by r~~‭  ·  edited 4y ago by r~~‭

The term is cultural, not technical. From Wikipedia: There is no standard for defining the term, and some difference of opinion is possible as to the degree to which a given operating system or ...

posted 4y ago by r~~‭

Your code is correct. You have declared your variable as an array, and you are successfully appending to it. To display all of the elements of your variable, try echo "${my_array[@]}". (Another an...

posted 4y ago by r~~‭  ·  edited 4y ago by r~~‭

‘This language doesn't have types’ and ‘This language only has one type’ are English sentences that communicate the same underlying concept: a typeless language doesn't have a way to distinguish ca...

posted 4y ago by r~~‭  ·  edited 4y ago by r~~‭

For writing pseudocode? No. BNF is a notation—in practice, a family of similar notations, like how Markdown is a family of similar markup languages—for defining grammars. In software development a...

posted 3y ago by r~~‭

It's because of this rule: *{ background: rgb(3, 28, 87); } That applies the darker blue background to every element individually, and that isn't overridden when you change the background o...

posted 2y ago by r~~‭

There are a few reasons for wanting to move computation closer to data. One is performance, which you've mentioned. Another is security. Databases enforce their own security boundary, and data that...

posted 3y ago by r~~‭

There is no fixed number of days in a MONTH interval. DATE_SUB is mostly just decrementing the number in the months position of the date provided. So DATE_SUB('2020-09-14', INTERVAL 3 MONTH) is '20...

posted 4y ago by r~~‭

I propose adding, at the top of the list: On-topic questions about writing software, where software is understood to include any means of specifying to a computer actions to be performed later. (...

posted 4y ago by r~~‭  ·  edited 4y ago by r~~‭

This looks like it's a slightly restricted version of the circular dilation minimization problem in the theory of graph drawing. See, for example, https://doi.org/10.1080/00207168808803629. Specif...

posted 4y ago by r~~‭  ·  edited 4y ago by r~~‭

From the command line, the following command will give you a list of all authors who have made local-only commits to a branch some-branch: git log some-branch --not --remotes --format="%an" And...

posted 4y ago by r~~‭

fn x [] = [] means that if the second argument to fn is an empty list, return an empty list. fn x (True:ys) = x : fn x ys means that if the second argument to fn starts with True, return a list th...

posted 2y ago by r~~‭

See this comment: https://forum.qt.io/topic/60546/qpushbutton-default-windows-style-sheet#3 Stylesheets are a totally different beasts. The default native drawing doesn't use stylesheets. They ...

posted 2y ago by r~~‭

This error doesn't do a good job at all of highlighting the important thing! You can't define an inherent impl on a type parameter. You have to make it the impl of some trait. Here's an example: Tr...

posted 4y ago by r~~‭  ·  edited 4y ago by r~~‭

No, you can't use and for this. In Python, a and b always, always, always means b if a else a. It cannot be overridden and cannot mean anything else. Likewise not, and any other boolean keywords, ...

posted 1y ago by r~~‭