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Java 2022-03-08 13:25:15
how to check object type in java
// obj instanceof Class /*example*/ String str = "a String made by the String class"; if(str instanceof String) System.out.println("This is True"); if(str instanceof float) System.out.println("This will never be on your screen&... Add solution -
Other 2022-02-23 15:55:03
export flutter data to csv
import 'dart:html'; import 'package:csv/csv.dart'; class ExportCsv { final List data; ExportCsv({this.data}); List<List<dynamic>> rows = List<List<dynamic>>(); downloadData() { for (int i = 0; i < data.length; i++... Add solution -
SQL 2022-02-22 15:40:39
in memory sqllite
using System; using System.Data.SQLite; string cs = "Data Source=:memory:"; string stm = "SELECT SQLITE_VERSION()"; using var con = new SQLiteConnection(cs); con.Open(); using var cmd = new SQLiteCommand(stm, con); string version = ... Add solution -
VBA 2022-02-20 21:10:39
how do you get data from excel
How do you do test using excel files in Java? I use Apache POI libraries to read and write from excel file, I add the Apache POI dependencies to my pom file. In order to connect I use following classes. -FileInputStream from Java. it is used to create ... Add solution