I have a list of (lots of) coordinates. coordinateList = [[1,2], [2,1], [3,5]]; These coordinates are unique and since I have a lot of them I want to be able to quickly check if a new coordinate is already in…
The docs are fairly clear on how to add a custom toolbar button but what I need to be able to do is to set/unset a CSS property of the currently selected text using the button. Specifically I need to…
I am trying to build an app that can find specific ingredients in a food item's list of ingredients. I have a list of food ingredients called filtered results filtered results: [{key: enriched corn meal corn meal, vegetable oil (corn,…
PostgreSQL has SETOF <sometype> type according to the doc and SETOF <sometype> type is used in a function as shown below: -- ↓ ↓ ↓ Here ↓ ↓ ↓ CREATE FUNCTION my_func() RETURNS SETOF <sometype> ... Now, I want to…
I'm fairly new and trying to understand maps in javascript. I have below code. const topmap = new Map(); const map1 = new Map(); const map2 = new Map(); const set1 = new Set(); map1.set('x','y'); map1.set('a','b'); set1.add(map1); set1.add(map2); topmap.set('ID',set1); console.log(topmap.get('ID').size);…
thank you in advance for stopping by :) Something weird is going on with my API Gateway - Lambda - DynamoDB combo: I am inserting items using a PutCommand try { return await documentClient.send(new PutCommand({ TableName: process.env.TABLE_NAME, Item: { 'PK':…
I have two arrays in JavaScript, and I want to create a new array that contains only the unique values from both arrays. How can I do this in JavaScript? const arr1 = ['apple', 'banana', 'cherry', 'date', 'elderberry']; const arr2…
ITrying to get 2 separate select statements to show in one result set using a user defined variable. Should I use a Union or With somewhere here? SET @X1 = ((SELECT SUM(ef.Fee * (rd.ActualReturn - ra.startdate)) as "total revenue from…
I want to initialize a React state as an empty Set in Typescript, and then add/remove values. If I wanted to use an array, I would do this: const [products, setProducts] = React.useState<String[]>([]) // And then to change it: setProducts([...products,…
I am not sure what I am missing from my function here to remove elements in a a set. It seems the loop is not working as expected. If you have a more optimal solution O(1), please share. Thanks! const…