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1. Cryptography example .net core Cryptography example .net core

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   using System;

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   using Microsoft.AspNet.Identity;

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   using System.Security.Cryptography;

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   public class Program

2. MongoDB Aggregate lookup match Proj... MongoDB Aggregate lookup match Project or condition dotnet c# .netcore exemple

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    public async Task<List<ProfessorEntity>> GetLookUpTeacherSearchList(List<string> languages, string searchTerms)

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           {

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               try

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               {

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                   return _db.Professor.Aggregate()

3. Function java Read From Excel Function java Read From Excel

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   How to Read Excel File in Java

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   In this section, we are going to learn how we can read data from an excel file.

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   In Java, reading excel file is not similar to read word file because of cells in excel file. JDK does not provide direct API to read or write Microsoft Excel or Word document. We have to rely on the third-party library that is Apache POI.

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4. How to Write Data into Excel Sheet u... How to Write Data into Excel Sheet using Java

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   	public static void WriteToExcel(Map<String, Object[]> studentData) throws Exception

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   	{

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   		// workbook object

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   		XSSFWorkbook workbook = new XSSFWorkbook();

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5. upload file c# function .net core ... upload file c# function .net core dotnet example

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      public async Task<string> UploadFile(IFormFile file)

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           {

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               const string filePath = "upload-files/tasks/";

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               Directory.CreateDirectory(filePath);

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               string path = $"{filePath}{Guid.NewGuid()}{Path.GetExtension(file.FileName)}";