Issue At the "I don’t get it" stage with a simple problem and need some guidance. Here’s a simple functional component in React 18: const ResponseDisplay = ({ theData }: any) => { {/* This appears in the webdev console,
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[SOLVED] Python Pandas combine multiple boolean series
Issue I have a dataframe with multiple columns such as below gender marital education male single tertiary I have a list of requirements that contain boolean series and I need to combine them all using & sign. bool_gender = df["gender"]
Continue reading[SOLVED] Does SML provide an efficient immutable list implementation for very large collections, or should arrays and mutation be used for this optimization?
Issue Every time we do cons and destructuring and similar operations on lists, we create copies of the original lists. This can become a performance issue with very large collections. It’s my understanding that to improve this situation, some programming
Continue reading[SOLVED] How to functionally increase number in array if previous one is lower
Issue I have array of numbers that decreases, but I want it never to decrease: const numbers =[0,1,2,3,4,5,1, 2]; Desired result is: [0, 1, 2, 3, 4, 5, 5, 5] I know how to achieve it with for loop: for
Continue reading[SOLVED] scala: avoid a var while iterating and accumulating in a functional manner (no vars)
Issue I need help to find the right Scala approach that will make this code more functional and less mutable. def findMinTime(str: String, timeByCar: Int): Int = { var myTime = timeByCar var minTime = timeByCar str.reverse.foreach { l =>
Continue reading[SOLVED] using callCC with higher-order functions in R
Issue I’m trying to figure out how to get R’s callCC function for short-circuiting evalutation of a function to work with functions like lapply and Reduce. Motivation This would make Reduce and and lapply have asymptotic efficiency > O(n), by
Continue reading[SOLVED] Functional programming in Python with Pandas
Issue I’m interested to know how one might re-write the following function, foo, within the functional programming paradigm. I can’t figure out how to apply filter_df() to columns in kwargs and store the output without changing the the value of
Continue reading[SOLVED] Difference between declarative and imperative in React.js?
Issue Recently I’ve been studying a lot about the functionality and the ways to use the Facebook JavaScript library React.js. When speaking of its differences to the rest of the JavaScript world often the two programming styles declarative and imperative
Continue reading[SOLVED] Simplify fp-ts function
Issue I have this function: export const getProducts = makeRequest( /** Your query */ `asasd*[_type == "product"] { _id, title }`, /** Optionally transform the response */ (i) => i, /** Validate exact type */ D.array(Product) ); which is of
Continue reading[SOLVED] TypeScript: How to write an asyncPipe function for asynchronous function composition?
Issue I’m recently exploring TypeScript again. One of it’s key limitations seems to be the incapability of typing function composition. Let me first show you the JavaScript code. I’m trying to type this: const getUserById = id => new Promise((resolve,
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