lox | Lox interpreter | Interpreter library
kandi X-RAY | lox Summary
kandi X-RAY | lox Summary
I’m reading [Crafring Interpreters book] by Bob Nystrom and writing Lox interpreter in C++ as I do this (the original code in the book is written in Java and some is in C). It’s fun!.
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QUESTION
i want to get logic from string that what from input string. For example: Input:
...ANSWER
Answered 2022-Mar-19 at 09:55One option is to make use of the \G anchor and a capture group:
QUESTION
What "Native functions" means or refers to, in a programming language?
I am reading the book "Crafting Interpreters" by Robert Nystrom where he has a list on Github with all Lox's implementations that other readers have done in other languages. I saw that one of that list says that it does not have native functions and I would like to know what it means about that?
https://github.com/munificent/craftinginterpreters/wiki/Lox-Implementations
...ANSWER
Answered 2022-Jan-07 at 00:01Native Function Definition, from the book "Crafting Interpreters" by Robert Nystrom
http://craftinginterpreters.com/calls-and-functions.html#native-functions
QUESTION
As a continuation of my previous problem here, now I'm stuck with my graph.I really thought it would be so simple because my inputs are correctly updated but i'm receiving this error when the browser opens to display the app:
...ANSWER
Answered 2021-Oct-20 at 15:47You had a few issues. There was a typo, and you don't need lugar_seleccionado <- as you don't need to assign observeEvent. Also, you need to use plotly object in renderPlotly, just convert your ggplot object by using ggplotly.
Lastly, in the facet_wrap(), you should use the variables present in the dataframe (say, lugar) which has already used the user input variable input$lugar to subset the required info. Try this
QUESTION
I have a database which is more or less like this one I created for my reprex:
...ANSWER
Answered 2021-Oct-18 at 21:12Try this
QUESTION
I am working on a shinydashboard app and am trying (see reprex below) to point three different menuSubItems to the same tab, while also updating a tabBox on that tab that corresponds to the menuSubItem a user clicks on.
Rationale: I am implementing this so a user can navigate to sub-pages more easily depending on where their cursor is, i.e. over the sidebar or on the page.
Current state: As you can see in the code below, I am 85% of the way there thanks to this helpful response using javascript (tabs_js). The script I've written assigns the actual text in the of the clicked tab to input$activeTab, and then updates the selected tabBox panel using an observeEvent conditional on the changing input$activeTab state.
Issues: Since the "tabName" in all three menuSubItems is the same, clicking on any of them only shows the first as clicked in the sidebar (i.e. aria-selected = true only for element 1). Is there any way to preserve this many-to-one submenu approach and show the relevant submenu as clicked? And in general, is there a more elegant way to solve this problem?
Reproducible example:
...ANSWER
Answered 2021-Oct-07 at 13:42It seems I answered my own question (2/2 now on SO!). The answer was mainly JS based. First, I changed the JS code to look like this. It finds the active , gets the text, removes the 'active' class from any current
QUESTION
I have two dataframe which I want to join normally i do inner_join which gives only the one which are present in both dataframe and rest and not shown in my output.
How to do innerjoin and keep all the rows and assign label
First dataframe
...ANSWER
Answered 2021-Jul-30 at 07:38looks like you want join normally and do left_join
QUESTION
I am trying to read a big log file and parse. The log file contains mixed datatypes (example file. log.txt) and extract the min and max value on each category.
log.txt
...ANSWER
Answered 2021-May-05 at 05:47You are mixing a couple of Python concept. When dealing with a file, looping on a file object is the same as looping on each line. The below code are equivalent:
QUESTION
I got the following xml;
...ANSWER
Answered 2021-Apr-22 at 19:03Your verbal description DefinitionId=50014 or Name=Roostercode nearly translates into XPath: //Freefield[DefinitionId=50014 or Name='Roostercode']/value.
QUESTION
Me trying to grok The Little MLer again. TLMLer has this SML code
...ANSWER
Answered 2021-Mar-17 at 20:25In Haskell, we prefer this style:
QUESTION
I'm new to Flutter and don't know which problem is. As I reviewed error is that the in Widget build working like a loop, while invoking methods, and creating infinite methods.
LoginPage.dart
...ANSWER
Answered 2020-Nov-22 at 06:51Add shrinkWrap: true in your ListView. The error explains when the scaffold is being drawn, the height is infinite. As Scaffold need some maximum height in order to work properly. You have used Scaffold Widget in a ListView that has infinite height. Either remove the scaffold widget or add height to its parent container. Also shrinkWrap your list.
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