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Mr.CodeHunter

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WHAT IS C++ USED FOR? | TOP USES OF C++ PROGRAMMING LANGUAGE

Admin
August 22, 2020

The most straightforward answer to this question is: The question is wrong! Yes!
The question should be: What C++ is NOT used for! I agree C++ is an old language
now, and many languages, like JAVA, Python, etc. have come up. But,
unfortunately, no programming language can ever replace C++. C++ has extensive
uses in real-life. Anywhere…

Continue Reading What is c++ used for? | Top Uses of C++ programming language




ALL POST


FIBONACCI SEQUENCE C++

Admin
November 21, 2021

Fibonacci Sequence c++ is a number sequence which created by sum of previous two
numbers. First two number of series are 0 and 1. And then using these two number
Fibonacci series is create like 0, 1, (0+1)=1, (1+1)=2, (2+1)=3, (2+3)=5 …etc
Displaying Fibonacci Series in C++ ( without recursion) #include<iostream> using
namespace std; void…

Continue Reading Fibonacci sequence c++


C++ MAP [LEARN BY EXAMPLE]

Admin
August 21, 2021

C++ map is part of Standard Template Library (STL). It is type of Associative
container. Map in c++ is used to store unique key and it’s value in data
structure. But if you want to store non-unique key value then you can use Multi
Map in c++. Let us first understand in detail what is…

Continue Reading C++ Map [Learn by Example]




HOW TO COPY PASTE IN TURBO C++ ?

Admin
July 25, 2021

There are many different C++ IDE are available but still many students are using
Turbo c++ for learning c/c++ programming languages. During using Turbo c++ if
you are beginner you will be confuse for how to copy and paste in turbo c++ or
if you have already copy some content and you want to paste…

Continue Reading how to copy paste in turbo c++ ?


RETURN 0 C++

Admin
June 27, 2021

There are two different scenario return statement is used inside c++
programming. We can use return 0 c++ inside main() function or other user
defined functions also. But both have different meanings. return 0 c++ used
inside Main functionreturn 0 c++ used inside other user defined function What is
meaning of return 0 and return…

Continue Reading return 0 c++


C++ EXPECTED A DECLARATION [ SOLVED]

Admin
June 26, 2021

When any function or statement is not in scope or we have used wrong syntax then
possibly you will get error for c++ expected a declaration in your code. Main
reasons for errors are: Incorrect use/declaration inside namespaceStatements are
added out of scopeRequired statement need to add inside main/function Solution-1
| Expected a declaration -…

Continue Reading c++ expected a declaration [ SOLVED]




C++ CANNOT OPEN SOURCE FILE “ERRNO.H” [SOLVED]

Admin
June 24, 2021

Normally you will face c++ cannot open source file “errno.h” in MS Visual Studio
c++ projects. These are some solutions to remove opening errors for “errno.h”
file. I got the errors to go away by installing the Windows Universal CRT SDK
component, which adds support for legacy Windows SDKs. You can install this
using the…

Continue Reading c++ cannot open source file “errno.h” [SOLVED]


[SOLVED] C++ A NONSTATIC MEMBER REFERENCE MUST BE RELATIVE TO A SPECIFIC OBJECT

Admin
June 13, 2021

In c++ class if we want to call any function then we can call it by creating
object. But if function is static, then we can call by ClassName::FunctionName.
If non-static function we are call by class::function then it will give error of
c++ a nonstatic member reference must be relative to a specific object.…

Continue Reading [SOLVED] c++ a nonstatic member reference must be relative to a
specific object


TOP 10 C++ IDE – YOU MUST TRY ONCE

Admin
June 12, 2021

As a new c++ developer we always get question for best ide for c++. Here we have
given few most popular best c++ ide. If you are searching best c++ ide linux or
best c++ ide for windows 10 then below detail will be useful for you. 1)
Microsoft Visual Studio (Visual C++) URL :…

Continue Reading Top 10 C++ IDE – you must try once




C++ INCOMPLETE TYPE IS NOT ALLOWED [SOLVED]

Admin
June 8, 2021

In c++ incomplete type is not allowed error occurs when compiler detect any
identifier that is of known data type but definition of it’s is not seen fully.
Below are general errors in c++: incomplete type is not allowedstringstream
incomplete type is not allowed ifstream incomplete type is not allowed Always
check below point for…

Continue Reading c++ incomplete type is not allowed [SOLVED]


SYSTEM PAUSE C++

Admin
June 6, 2021

In c++ development system(“pause”) is used to execute pause command of Operating
system inside program. So it will ask user to press any key to continue. If we
don’t want to use system pause c++ then we can use cin.get() which also wait for
user to press any key. #include<iostream> using namespace std; int main()…

Continue Reading system pause c++


C++ EXPRESSION MUST BE A MODIFIABLE LVALUE [SOLVED]

Admin
June 5, 2021

Normally these type of c++ error occurs in conditional statments. For any
conditional expression if we are using assignment operator(=) in-stand of
comparison (==) then mostly c++ expression must be a modifiable lvalue error
occurs. 1) c++ expression must be a modifiable lvalue (Scenario-1) #include
<iostream> using namespace std; int main() { int A =…

Continue Reading c++ expression must be a modifiable lvalue [SOLVED]


C++ IDENTIFIER IS UNDEFINED [SOLVED]

Admin
June 2, 2021

If you are new to c++ programming language then possibly you will come across
c++ identifier is undefined errors. You might get identifier is undefined error
in multiple ways, below 4 different possible errors for identifier is undefined
in c++. Possible different errors: c++ identifier is undefinedc++ identifier
cout is undefinedc++ identifier string is undefinedidentifier…

Continue Reading c++ identifier is undefined [SOLVED]


C++ CANNOT OPEN SOURCE FILE [SOLVED]

Admin
May 30, 2021

In c++ project when you have included header file, but inside project we are not
able to access that header file then generally we get error for cannot open
source file. For fixing this error check that included file is available in
project include path or not. cannot open source file visual studio C++
Solution-1…

Continue Reading c++ cannot open source file [SOLVED]


C++ EXPRESSION MUST HAVE CLASS TYPE [SOLVED]

Admin
May 30, 2021

In c++ whenever you are calling any function of class then there might be
possibility that you came across error for c++ expression must have class type.
For resolving expression must have class type error you need to check that if
you have class pointer then you need to use -> and if you have…

Continue Reading c++ expression must have class type [SOLVED]


C++ EXPECTED A ‘;’ [SOLVED]

Admin
May 29, 2021

When we forgot to add semicolon in c++ program then generally we get error like
c++ expected a ‘;’. Whenever you get similar error in c++ then you have to check
mention line number that semicolon is added or missing. 1. c++ expected a ‘;’
[Scenario-1] #include <iostream> using namespace std; int main() { cout<<“Hello…

Continue Reading c++ expected a ‘;’ [SOLVED]


HOW TO SQUARE A NUMBER IN C++ ?

Admin
May 29, 2021

In c++ logic when we require square of a number then there are multiple
solutions are available for it. You can use Power function of c++
pow(Base,Power)Simple multiplication of number two timeIf we want to make square
without multiplication then we can achieve it using for loop or while loop. How
to square a number…

Continue Reading How to square a number in c++ ?


HOW TO DIVIDE IN C++ ?

Admin
May 29, 2021

In c++ there are different possible solutions for dividing two number or
variable in decimal or floating values. Also in embedded domain many time
bit-wise right shift operator also used. So if you are finding answer of How to
divide in c++ then this is perfect article for you to learning different
solutions. 1. How…

Continue Reading How to divide in c++ ?


HOW TO CONVERT INT TO STRING C++ ? [SOLVED]

Admin
May 28, 2021

Many time during implementing c++ logic or displaying string we require to
convert int to string in c++. We have given different solution for c++ int to
string conversion. Here we have provided solutions using std::to_string(), using
std::ostringstream and using custom function to convert int to string in c++. 1)
Int to string c++ (…

Continue Reading How to convert int to string c++ ? [SOLVED]


NO MATCHING FUNCTION FOR CALL TO [SOLVED]

Admin
May 23, 2021

When we are calling some function but there is not matching function definition
argument, then we get compilation error as No matching function for call to c++.
To resolve this error, We need to pass appropriate matching argument during
function call. Or need to create different overloaded function with different
arguments. Check function calling and…

Continue Reading No matching function for call to [SOLVED]


UNDEFINED REFERENCE TO MAIN C++ [SOLVED]

Admin
May 23, 2021

As a beginner c++ developer , you probably might get error like undefined
reference to `main’. Generally this error occurs when we forgot not define
main() function in program. In any c++ program main() function is necessary to
start a program. So whenever you create any class then do not forgot to add main
function…

Continue Reading Undefined reference to main c++ [SOLVED]


ISO C++ FORBIDS COMPARISON BETWEEN POINTER AND INTEGER [SOLVED]

Admin
May 23, 2021

Many time during running c++ program you get comparison errors. Sometimes it
will be iso c++ forbids comparison between pointer and integer or sometimes you
will get iso c++ forbids comparison between pointer and integer [-fpermissive].
Here we will see when these type of c++ compiler error occurs and how to resolve
these iso c++…

Continue Reading iso c++ forbids comparison between pointer and integer [SOLVED]


HOW TO GET THE LENGTH OF A STRING IN C++ ?

Admin
May 23, 2021

There are different ways to calculate string length c++. Here we will explain
all possible solutions to calculate string length in c++. String value end with
null or \0 character. So it can also useful for c++ string length calculation.
1. string length c++ using string::size() method #include <iostream> #include
<string.h> using namespace std; int…

Continue Reading How to get the length of a string in c++ ?


HOW TO USE SHOWPOINT C++ ?

Admin
May 16, 2021

What is showpoint c++ ? It basically set formatting flag for stream in str.
Showpoint in c++ is used for displaying string value based on precision. If
precision is 2 then value=1 will be display as 1.0 ; so whenever in c++ program
we want to display string based on precision we have to use…

Continue Reading How to use showpoint c++ ?


HOW TO USE “NEW LINE C++” ?

Admin
May 16, 2021

During writing C++ console application or printing any string we require new
line display in output. There are different methods to display new line c++. 1)
Using “\n” for new line c++ #include <iostream> using namespace std; int main()
{ cout << “Welcome to MrCodeHunter!! \n”; cout << “This is new line in c++”;
return…

Continue Reading How to use “new line c++” ?


HOW TO CLEAR SCREEN IN C++ ?

Admin
December 28, 2020

Mainly when we are working with console application in C/C++ we come across some
scenario where we need clear screen using C++ or C programing language. There
are many different ways available for c++ clear screen. C++ clear screen in
turbo C++ compiler In Turbo c++ compiler you can use clrscr (); for clear
screen.…

Continue Reading How to clear screen in c++ ?


JAVA VS C++

Admin
October 11, 2020

JAVA vs C++ Which OOPS-based programming language is better – C++ or JAVA?This
is one of the most confusing and popular doubts of programmers. Java and C++
both follow OOP’s concepts. So, let us first understand what OOPs is. OOP stands
for Object-Oriented Programming. It is a concept that supports and concentrates
on doing a…

Continue Reading Java vs C++


DIFFERENCE BETWEEN C AND C++ | C VS C++

Admin
September 28, 2020

C Vs. C++ As we all know, both C and C++ are significant programming languages.
But do you really know what exactly makes the difference between these two
languages? Ride on! Let us check it out. Basic Knowledge about C and C++
languages Before knowing what makes the differences between these two languages,
let’s first…

Continue Reading Difference between C and C++ | C vs C++


HOW LONG DOES IT TAKE TO LEARN C++?

Admin
August 30, 2020

About C++ Programming:- C++ is a general-purpose programming language that was
designed to incorporate object-oriented concepts as an improvement of the C
language. It’s a compiled language and an imperative language. If you are new to
language you will get initial question that How long does it take to learn c++ ?
C++ is a…

Continue Reading How long does it take to learn c++?


HOW TO PRINT VECTOR IN C++?

Admin
August 29, 2020

Vector in c++ is like a dynamic array, but it has the ability to resize whenever
we are adding or deleting elements from vector. Vector is a type of Sequence
container. Containers hold data of the same data types. Apart from sequence
containers, there are different types of containers available in vector. If we
check…

Continue Reading How to print vector in c++?


WHAT IS C++ USED FOR? | TOP USES OF C++ PROGRAMMING LANGUAGE

Admin
August 22, 2020

The most straightforward answer to this question is: The question is wrong! Yes!
The question should be: What C++ is NOT used for! I agree C++ is an old language
now, and many languages, like JAVA, Python, etc. have come up. But,
unfortunately, no programming language can ever replace C++. C++ has extensive
uses in real-life. Anywhere…

Continue Reading What is c++ used for? | Top Uses of C++ programming language


HOW TO CONVERT C++ CHAR TO INT ? [SOLVED]

Admin
August 16, 2020

During writing logic in C++, many times we come across where we require to
convert character to an Integer value. We have collected different methods that
used to convert char to int C++. 1) Convert C++ char to Int using subtraction of
‘0’ ASCII value. char chDigit = ‘5’; // By substracting character ConvertedValue
=…

Continue Reading How to convert C++ char to Int ? [SOLVED]


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FIBONACCI SEQUENCE C++

Fibonacci Sequence c++ is a number sequence which created by sum of previous two
numbers. First two number of series are 0 and 1. And then using these two number
Fibonacci series is create like 0, 1, (0+1)=1, (1+1)=2, (2+1)=3, (2+3)=5 …etc
Displaying Fibonacci Series in C++ ( without recursion) Output: From given
output we […]

C++ MAP [LEARN BY EXAMPLE]

C++ map is part of Standard Template Library (STL). It is type of Associative
container. Map in c++ is used to store unique key and it’s value in data
structure. But if you want to store non-unique key value then you can use Multi
Map in c++. Let us first understand in detail what is […]



HOW TO COPY PASTE IN TURBO C++ ?

There are many different C++ IDE are available but still many students are using
Turbo c++ for learning c/c++ programming languages. During using Turbo c++ if
you are beginner you will be confuse for how to copy and paste in turbo c++ or
if you have already copy some content and you want to paste […]

RETURN 0 C++

There are two different scenario return statement is used inside c++
programming. We can use return 0 c++ inside main() function or other user
defined functions also. But both have different meanings. return 0 c++ used
inside Main function return 0 c++ used inside other user defined function What
is meaning of return 0 and […]



C++ EXPECTED A DECLARATION [ SOLVED]

When any function or statement is not in scope or we have used wrong syntax then
possibly you will get error for c++ expected a declaration in your code. Main
reasons for errors are: Incorrect use/declaration inside namespace Statements
are added out of scope Required statement need to add inside main/function
Solution-1 | Expected a […]

C++ CANNOT OPEN SOURCE FILE “ERRNO.H” [SOLVED]

Normally you will face c++ cannot open source file “errno.h” in MS Visual Studio
c++ projects. These are some solutions to remove opening errors for “errno.h”
file. I got the errors to go away by installing the Windows Universal CRT SDK
component, which adds support for legacy Windows SDKs. You can install this
using the […]




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