I have a 3D array of dimensions 13 x 15 x 1000, that is, an array of 1000, 13 x 15 matrices, which is called nulls.qs. I want to convert its matrices into three columns format of 195 x 3, to get a 3D array of dimensions 195 x 3 x 1000, called netfun.nulls.qs. I… Read More Convert the matrices in a 3D array into three-column format
Let’s say that I have two arrays: double[] array1 = new double [] {22.5, 15, 33.7, 42, 17, 7.5, 3.5, 1, 17.5, 7.7, 5} int[] idx = new int[] { 1, 4, 5, 8}; Now I need to generate new array that will have values from array1, but only this with indexes matching idx. So,… Read More What's the recommended way to operate on C# arrays by multiple indexes?
Hi, I have this code: var itemsdata = [ {"id":"item1", "assets":[{"id":"size","value":1},{"id":"age","value":14}]}, {"id":"item2", "assets":[{"id":"size","value":1}]}, {"id":"item13", "assets":[{"id":"size","value":1}]} ]; var itemid = ‘item1’; var itemassets = itemsdata.map(d => d.id === itemid ? d.assets : ”); console.log(itemassets); //expected output: [{"id":"size","value":1},{"id":"age","value":14}] I cant get the expected output with this. I tried variants but no use. What is the right way… Read More How to use map to get an array of objects from a parent array of objects
I want something like string.includes it can detect character among string but array.includes("a") can only detect if array[0] = "a" and return false when array[0] = "ab" Is there anyway i can achieve string.includes in array without function and loop (1 line code) ? Thanks var array = ["a", "b"]; array.includes("a"); //return true var array… Read More Array.includes not working as string.includes
So I created a list of data and i need to be able to get the total number of data that has a status: ‘Open’ and display it in the console.log. const approvals = [ { id: 1, member: ‘Charlie Lubin’, payPeriod: ‘Sun, Jan 15, 2023 – Sat, Jan 21, 2023′, duration: ’45:11:36’, activity: ‘0.57’,… Read More How to get the total number of a data with a specific value in ReactJS?
I have a requirement to find specific record from array and move that to first position (0 index) and 0 index should move to next index and so on. I do not want to remove or duplicate any record from array. This is what I have tried, it gives error splice is not defined var… Read More How can I move an array record to 0 index and 0 index record to next index and so on
I want to split random strings generated by my code, But here I just use static string for example| i can do it manual ,but its boring to this in the long time and large scale code i want function , to do this easily here is my codes : function stringSplitter(myString, chunkSize) { var… Read More Splitting the random string into two steps And do the math on the final result (js -jquery)
I am encountering a problem here: `let a = [1, 2, 3]; let b = [1, 2, 3]; let c = "1,2,3"; console.log(a == c); console.log(b == c); console.log(a == b);` The output was: true true false Both variable a and b are having the same value declared, but why a == b is false?… Read More Why the output of the third comparison is false?
I’m new to Java (honestly programming altogether), and have been testing out some stuffs. I defined a class (say Nest), in which the class is defined by another class (say Nested), and the "Nested" class saves a variable(say a). So a "Nest" class saves a nested class, which saves a variable. I needed multiple objects… Read More In Java, among an array of objects, is there a way to change only one object's variable?
I have the following object and function to sum the values of the object keys. How can I do the same thing but make sure not to include accounts in a _ignore array? const _balances = { “0x000000000”: 100, “0xCONTRACTOR”: 200, “0xALICE”: 300, “0xBOB”: 400, “0xCHARLIE”: 500, }; function circulatingSupply() { // Total number of… Read More Array reduce used for sum. How to implement exclusions found in a different array?