Category "list"

How to use grep to search for patterns matches within a list of data frames using a second list of character vectors in R

I have two lists in R. One is a list of data frames with rows that contain strings (List 1). The other is a list (of the same length) of characters (List 2). I

How to find the frequency of words in a list created from a .csv file

I am trying to write a program that first reads in the name of an input file and then reads the file using the csv.reader() method. The file contains a list of

more concise way to make this?

I'm unsure of how to create a certain section of my code without it being excessively long and tedious. Is there perhaps a way of utilizing a range function whe

write each result of the loop to a python list

I have the txt file as follows: 0 1 2 0 // 7697 909 1 // 3536 4921 2 // 1421 6919 3 * 9805 -8620 4 + -862 -5869 ... ...

This is the case for List in my StatefulWidget

Flutter import 'package:country_house/pages/Country.dart'; import 'package:dio/dio.dart'; import 'package:flutter/material.dart'; class AllCountries extends St

Angular typescript update class if element is in array

I am doing an APP in Angular 12. In my component.ts I have an string array[] like AccessRoles["AA","BB"] And on the other side I have a class like this export c

PHP array_diff() equivalent in Dart? (Comparing two maps and return a map of difference)

I simply want to produce the same effect that PHP's array_diff() function does in Dart, and for those who don't know PHP or this function, my apologies but unfo

How to Sort a Model Based on a Property in IList<T> within that Model

This is a bit more complex than other questions. I have a Model that encapsulates an IList. Within each IList item there are multiple Lists. This makes it VERY

Return to the list of a repository in Controller

I'm trying to return a list that is inside a Repository in my controller, but I'm not getting it. Could someone help me? This is a RESTapi for an ATM project th

Group list of objects into smallest possible number of sublists without exceeding maximum sum

I'm trying to write a method that groups objects into the minimum amount of sublists without mixing types (int field on object) or the sum of their values excee

Sum up all Floats in a List of 'Mixed' Elements

What are some primitive ways to get a sum of all floats in a list that looks like this: list_1 = [['coffee', 6.99], ['cream', 0.6], ['berries', 3.5], ['milk', 1

create a list from given data to use in read_fwf

in load_fwf the parameter colspecs assigned as a list like this example data2 = pd.read_fwf("sample.txt",index_col='Order number',names=['Order number', 'code',

Combining of two lists in python [closed]

I have two lists with elements and an empty list: l1 = [1,2,3,4,5,6] l2 = [7,8,9] l3 = [] How can I add the elements of l1 and l2 into l3, li

how to modify element of list in python

Given a list of filenames, we want to rename all the files with extension .hpp to the extension h. To do this, we would like to generate a new list called newfi

efficient way of computing a list with mean of values in another list

I need to compute a list with the mean values of another list. To be more precise, the input list have this form: input_list = ['1.538075/42.507325', '1.53796

Jetpack Compose Slider in LazyColumn changing while scroll

I have a list that includes Slider the problem is when I scroll the slider detecting the tap event and change it, see attached gif The excepted behavior is whe

How to get the values of dictionary python?

I have the below python dictionary stored as dictPython { "paging": {"count": 10, "start": 0, "links": []}, "elements": [ { "organiz

Printing a large list in multiple lines

Is there a good way to print a large list in multiple lines? Assume that a list has 10000 elements and by writing that to a file it goes all in a single line wh

Decouple dictionary that contains a list as a value for a particular key

Let's say I have a dict in Python that follows this structure: dict_a = {"a": [1,2,3]} I want to produce an output to 'decouple' dict_a in a list of 3 separate

How can I check if treeUri is empty?

I want to check if a treeUri has any files in it or if its empty, so I can delete the Folder. Ive tried listFiles but comes up with Landrodix.etc. and not the a