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The code below shows how to call a function in both methods. Please explain the major differences or meanings of call by value and call by reference to me. 1.Make a value-based call. 2.Call based on a reference. The call by value method is demonstrated in the following code. In a comment, I expressed my reservations. #include<iostream> int main(){ void change(int);//why function prototype is before ...READ MORE

Jun 6, 2022 in C++ by Nicholas
• 7,760 points • 852 views

0 votes

1 answer

JQuery class selectors like $(.someClass) are case sensitive?

jQuery attribute value selectors are generally case-sensitive. ...READ MORE

May 30, 2022 in JQuery by gaurav
• 23,580 points • 1,171 views

0 votes

1 answer

C# books or web sites for C++

I would recommend checking out C# in ...READ MORE

Jun 6, 2022 in C# by pranav
• 2,590 points • 936 views

0 votes

0 answers

How to efficiently use try...catch blocks in PHP

I was using try..catch blocks in my ...READ MORE

Jun 1, 2022 in PHP by Kichu
• 19,040 points • 992 views

0 votes

0 answers

"docker build" requires exactly 1 argument(s)

I'm attempting to build and tag an ...READ MORE

Apr 21, 2022 in Docker by pranav
• 2,590 points • 2,662 views

0 votes

1 answer

do-while loop in R

Unlike for and while loops, which test the loop condition at ...READ MORE

Jun 1, 2022 in Data Science by Sohail
• 3,040 points • 1,011 views

0 votes

1 answer

R package dplyr reinstall every instance

In R, there are two steps of ...READ MORE

Jun 1, 2022 in Data Science by Sohail
• 3,040 points • 1,011 views

0 votes

0 answers

git bash commands with python or Gitpyhon

So I have follwoing bash command which ...READ MORE

Jun 21, 2022 in Linux Administration by Korak
• 5,820 points
edited Mar 4 • 187 views

0 votes

1 answer

Getting "Lock wait timeout exceeded; try restarting transaction" even though I'm not using a transaction

To answer your question, I have written ...READ MORE

Feb 18, 2022 in Web Development by Aditya
• 7,680 points • 5,454 views

0 votes

0 answers

Php, wait 5 seconds before executing an action

I am working on a PHP script ...READ MORE

Jun 7, 2022 in PHP by Kichu
• 19,040 points • 723 views

0 votes

0 answers

Access denied for user 'root@localhost' (using password:NO)

I wanted to run WordPress and it ...READ MORE

May 8, 2022 in Database by Kichu
• 19,040 points • 2,098 views

0 votes

1 answer

docker: driver failed programming external connectivity on endpoint webserver

Hello, I had the same issue when ...READ MORE

Oct 6, 2022 in Docker by chanaiagwata83@gmail.com

edited Mar 5 • 12,736 views

0 votes

1 answer

C# Potential Interview Question…Too hard?

This isn't a question I'd ask in ...READ MORE

Jun 7, 2022 in C# by rajiv
• 1,620 points • 736 views

0 votes

1 answer

Convert VB.NET --> C# Projects

You may decompile whole Assemblies into Visual ...READ MORE

May 30, 2022 in C# by rajiv
• 1,620 points • 1,083 views

0 votes

1 answer

Why program working differently on every run when using async?

You can use the async Main method ...READ MORE

May 30, 2022 in C# by rajiv
• 1,620 points • 1,082 views

0 votes

1 answer

The new syntax "= default" in C++11

A defaulted default function Object() { [native code] } is defined as a user-defined default function Object() { [native code] } with an empty compound statement and no initialization list. I'll give you an example to demonstrate the difference: #include <iostream> using namespace std; class A { public: ...READ MORE

Jun 7, 2022 in C++ by Damon
• 4,960 points • 842 views

0 votes

0 answers

Using dcast to widen a data frame

I've got the following data set: data.frame(z, z, ...READ MORE

Jun 20, 2022 in Data Analytics by Avinash
• 1,260 points
edited Mar 4 • 215 views

+1 vote

1 answer

Does Java have a "IN" operator or function like SQL?

You can use java.util.Collection.contains() for collections. If a non-null ...READ MORE

May 31, 2022 in Others by nisha
• 2,210 points
edited Jul 6, 2023 by Khan Sarfaraz • 1,009 views

0 votes

0 answers

How can I split a string with a string delimiter

Suppose this is my string My name is ...READ MORE

Jun 11, 2022 in C# by krishna
• 2,820 points • 595 views

0 votes

1 answer

How to reverse an std::string?

A reverse function is integrated into C++ and can be used to reverse a string. This function accepts two parameters: The start iterator for the string The string iterator has come to an end. The following line of code demonstrates how to use this function: #include <iostream> //The library below must be included ...READ MORE