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To read from cin, use a std::string. Then you don't have to guess how big your buffer should be. std::string input; cin >> input; cout << intput; If you ...READ MORE

Jul 11, 2022 in C++ by Damon
• 4,960 points • 905 views

0 votes

1 answer

Generate Ethereum addresses in HD Wallet using public key only (bitcoinj/web3j)

Like Bitcoin, Ethereum uses secp256k1. Ethereum addresses ...READ MORE

Apr 12, 2022 in Blockchain by Soham
• 9,730 points • 4,842 views

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0 answers

How does cut with breaks work in R

I've tried using?cut but haven't been able ...READ MORE

Jul 20, 2022 in Data Analytics by avinash
• 1,840 points
edited Mar 4 • 478 views

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0 answers

What can a data frame do that a tibble cannot?

Tibbles provide a number of benefits over ...READ MORE

Jul 20, 2022 in Data Science by avinash
• 1,840 points
edited Mar 4 • 475 views

0 votes

1 answer

Making a dotted grid with CSS

You can use the background-position CSS property to do ...READ MORE

May 31, 2022 in CSS by Edureka
• 12,700 points • 2,617 views

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0 answers

How to properly use the predict function in R

I'll start by giving you some startup ...READ MORE

Jul 20, 2022 in Data Science by avinash
• 1,840 points
edited Mar 4 • 473 views

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0 answers

How to import a CSS file in a React Component?

I want to import a CSS file ...READ MORE

Jul 25, 2022 in CSS by Edureka
• 13,730 points
edited Mar 4 • 249 views

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0 answers

Choose where to render application on root HTML with Single-SPA

To create a microfrontend architecture for a ...READ MORE

Jul 26, 2022 in HTML by Tejashwini
• 5,380 points
edited Mar 4 • 209 views

0 votes

0 answers

I just started Programming: Principles and Practice Using C++ because I'm new to programming. Errors and how to handle them are covered in one of the chapters. What I'm attempting to implement is this little line of code. The programme will end with a system error message and the text we gave as a parameter, according to the book's description of error(). #include <iostream> #include <string> using namespace std; int area (int ...READ MORE

Jul 13, 2022 in C++ by Nicholas
• 7,760 points • 705 views

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0 answers

How to toggle class using pure javascript in html

I have a <div>, and I want to ...READ MORE

Jul 26, 2022 in HTML by Tejashwini
• 5,380 points
edited Mar 4 • 208 views

0 votes

1 answer

Android open camera from button

you can use the below syntax as ...READ MORE

Jun 14, 2022 in Others by polo
• 1,480 points • 1,977 views

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0 answers

HTML Select multiple as dropdown

I want to use a multiple-select field ...READ MORE

Jul 26, 2022 in HTML by Tejashwini
• 5,380 points
edited Mar 4 • 205 views

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0 answers

How to use enums in C++

Suppose we have an enum like the following: enum Days ...READ MORE

Jul 7, 2022 in C++ by Nicholas
• 7,760 points • 889 views

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How to access static members of a class?

I'm learning C++ and Qt, but even the simplest code that I copy and paste from a book produces problems. On Ubuntu 10.04, I'm using g++4.4.2 with the QtCreator IDE. Is there a distinction between the syntax of the g++ compiler and those of other compilers? When I try to access static members, for example, something always goes wrong. #include <iostream> using namespace std; class A { ...READ MORE