C++ Standard Template Library in Practice - Project - Custom Writer Function

C++ Standard Template Library in Practice - Project - Custom Writer Function

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial covers the continuation of a project involving Bitcoin data handling. It begins with setting up a custom writer function for the curl library to capture data into a program. The tutorial explains the creation and attachment of a data handler function, integration of a JSON API, and modification of the fetch function to return a JSON object. The main program is implemented with error handling and JSON parsing, leading to a formatted output displaying Bitcoin values. The video concludes with a summary and encouragement to modify the project.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the custom writer function in the Bitcoin project?

To print data to the console

To capture data into the program

To send data to a server

To format data for display

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which library is used to parse JSON data in the Bitcoin class?

RapidJSON

jsoncpp

North Lowman JSON Library

Boost.JSON

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main change made to the fetch function in the Bitcoin class?

It writes data to a file

It now returns a JSON object

It logs data to a database

It fetches data from multiple URLs

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What programming construct is used to handle errors in the main program?

Try-catch block

Switch-case statements

If-else statements

While loop

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the output formatted in the final program?

Using cout

Using printf

Using fprintf

Using sprintf

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