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Java 2022-03-05 05:40:24
swap items in arraylist java
public class ArrayListExample { public static void main(String[] args) { ArrayList<String> list = new ArrayList<>(Arrays.asList("a", &q... Add solution -
TypeScript 2022-03-04 02:10:01
Warning: Flex Layout loaded on the server without FlexLayoutServerModule
//app.server.module.ts import {NgModule} from '@angular/core'; import {FlexLayoutServerModule} from '@angular/flex-layout/server'; @NgModule({ imports: [ ... other imports here FlexLayoutServerModule, ] }) export class AppServerModule {} //a... Add solution -
C++ 2022-03-03 17:00:01
class
Class is a blueprint or template which you can create as many objects as you like. Object is a member or instance of a class. Class is declared using class keyword, Object is created through new keyword mainly. A class is a template for objects. A class ... Add solution -
Dart 2022-03-03 02:10:01
Flutter make widget based on dio
import 'dart:async'; import 'dart:convert'; import 'package:flutter/material.dart'; import 'package:http/http.dart' as http; Future<Album> fetchAlbum() async { final response = await http.get('https://jsonplaceholder.typicode.com/albums/1'... Add solution -
Other 2022-03-02 23:15:04
flutter custom appbar
// ./components/appBar.dart import 'package:flutter/material.dart'; class CustomAppBar extends StatelessWidget with PreferredSizeWidget { final String _title; @override final Size preferredSize; CustomAppBar(this._title, { Key key}) : preferred... Add solution -
Javascript 2022-03-01 12:05:23
difference between Redis and StrictRedis
The Redis class, a subclass of StrictRedis, overrides several other commands to provide backwards compatibility with older versions of redis-py redis-py exposes two client classes that implement these commands The StrictRedis class attempts to adhere to ... Add solution -
Javascript 2022-03-01 06:25:09
getting view height dynamically in react native
import React, { Component } from 'react'; import ReactNative, { AppRegistry, View, TouchableOpacity, findNodeHandle, Text, StyleSheet } from 'react-native'; export default class App extends Component { constructor() { super(); this.state = {... Add solution -
Python 2022-02-28 15:40:20
replace missing values, encoded as np.nan, using the mean value of the columns
# Univariate feature imputation import numpy as np from sklearn.impute import SimpleImputer imp = SimpleImputer(missing_values=np.nan, strategy='mean') imp.fit([[1, 2], [np.nan, 3], [7, 6]]) # SimpleImputer() X = [[np.nan, 2], [6, np.nan], [7, 6]] print(... Add solution
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