initializing iterator before for loop in Dart
You don’t need to put anything in the first part of the for: var i = 0; for (; i < list.length – list.indexOf(‘.’); i++) … Putting an i there …
Programming Terms
Programming terms are a collection of words and phrases used in the process of creating, testing and running computer programs. They can be divided into categories such as: language features, control structures, data types, and algorithms.CLICK HERE To solve more code-related solutions you face every day.
what is typescript for an array of certain values where each value may appear at least once?
You can use Set type capability to extract only unique members of passed argument: function getUserInfo(desiredProperties: (‘name’ | ‘age’ | ‘salary’)[]) { const uniqueMembers = new Set(desiredProperties); // this extract …
return two pointers of arrays
You need to pass an array for the quotient and remainder into the divide function. Than you can read the values after the function returns. #include<stdio.h> void div(int* a, int* …
Regex for matching directory path depth
Probably this: #!/usr/bin/env bash array=() string=”/packages/frontend/react-app/src/index.ts” [[ $string =~ packages/([^/]+/){2} ]] && array+=(“${BASH_REMATCH[0]}”) Explanation: [^/]+ match any non-empty string that does not contain a /. CLICK HERE to find out …
how do i represent an alphanumeric string in dcg?
If you just want to parse, then the following token will work. tok([A|B], B) :- an_code(A). alpha_numeric(X) :- between(0’0, 0’9, X); between(0’A, 0’Z, X); between(0’a, 0’z, X). an_code(A) :- atom_codes(A, …
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why does typescript assume array element lookup won’t be undefined?
Comments from @jonrsharpe and @shinigami helped me understand this! Paraphrasing: Arrays are basically { [index: number]: T }, where every value of index is assumed to have a defined T …
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Autohotkey variable assignment with dynamic hotstrings module
Few problems here. First one is the regex. Firstly, you don’t really want to think of the regex as if it was matching an infinitely long string of a.b.c.d.e.f.g.h.i.j.k.l…. instead …
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longest path in undirected vs directed graph
Every directed graph algorithm works on undirected graphs. Simply treat each edge as two directed edges with the same weight. CLICK HERE to find out more related problems solutions.
query with a reference cell containing a number
numeric numbers in query do not require single quote wrapping =QUERY(A3:D; “select A,B,C,D where A = ‘”&A1&”‘ and B = “&B1) with filter you can use constructed {} arrays =FILTER({A3:B\ …
problem with changing the value of the main button in the kivymd menu
Here is your improved code py file: from kivy.core.window import Window from kivy.uix.screenmanager import Screen from kivy.lang import Builder from kivymd.app import MDApp from kivymd.uix.menu import MDDropdownMenu Window.size = (400, …
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