2. HowTo
3. C++ Howtos

C++ Data Structure

• C++ Binary Search Tree Destructor
• Implement Circular Array in C++
• Stack Data Structure Using Linked List in C++
• Binary Search Tree Insertion in C++
• Circular Doubly Linked List in C++
• Delete a Node From Binary Search Tree in C++
• Implement Inorder Traversal for Binary Search Tree in C++
• Implement a Queue Data Structure Using Linked List in C++
• Implement a Circular Linked List Data Structure in C++
• Delete a Node in a Linked List in C++
• Implement a Binary Search Tree Data Structure in C++
• Implement a Doubly Linked List in C++
• Implement the Binary Tree Data Structure in C++
• Insert a Node in Singly Linked List C++
• Reverse the Linked List in C++

C++ Constructor

• C++ Copy Constructor for Singly Linked List
• Struct Constructors in C++
• Copy Constructor of Linked List in C++
• Empty Constructors in C++
• Default Constructor and Default Keyword in C++
• Utilize the Copy Constructor in C++

C++ Game

• C++ Tic Tac Toe Game

C++ Integer

• Use of 128-Bit Integer in C++
• Big Integer in C++
• Specify 64-Bit Integer in C++
• Comparison Between Signed and Unsigned Integer Expressions in C++

C++ Include

• Concept of C++ Include Path

C++ State Machine

• Concept of C++ State Machine

C++ Lambda

• Recursive Lambda Function in C++
• Lambda Function in C++

C++ Array

• Represent the Deck of Cards in C++ Array
• Deallocate a 2D Array in C++
• Array of Arrays in C++
• Check if an Array Contains an Element in C++
• Bit Array in C++
• User Input Array in Function in C++
• The Difference Between Pointers and Array Notations in C/C++
• Parallel Array Data Structure in C++
• Create an Array of Strings in C++
• Find Maximum Value in Array in C++
• Declare an Array of Vectors in C++ STL
• Calculate Sum of Array in C++
• Initialize Array of Objects in C++
• Find Most Frequent Element in an Array C++
• Remove Element From Array in C++
• Shift Elements in Array in C++
• Compare Arrays in C++
• Return Pointer to Array in C++
• Resize Array in C++
• Get Length of Array in C++
• Reverse Array in C++
• Create Array of Structs in C++
• Return 2D Array From Function in C++
• Dynamically Allocate an Array in C++
• Clear Array Element Values in C++
• Copy an Array in C++
• Loop Over an Array in C++
• Declare 2D Array Using new in C++
• Print an Array in C++
• Pass 2D Array to a Function in C++
• Return an Array From a Function in C++
• Find Array Size in C++

C++ Vector

• Resize 2D Vector C++
• Calculate Angle Between Two Vectors in C++
• Deallocate a std::vector Object in C++
• Multidimensional Vectors in C++
• Initialize 2D Vectors in C++
• Maximum and Minimum Value From a Vector in C++
• Vector Implementation in C++
• The Differences Between STL Vector and STL List in C++
• Copy a Vector Container Object in C++
• Sort a Vector of Pairs in C++
• Remove Duplicates From Vector in C++
• Reverse Vector Elements Using STL Utilities in C++
• Sort Vector in C++
• Vector Container in C++ STL
• Find Element Index in Vector in C++
• Pass Vector by Reference in C++
• Calculate Dot Product of Two Vectors in C++
• Add Element to Vector of Pairs in C++
• Append Vector to Vector in C++
• Shuffle Vector in C++
• Access Member Functions From Pointer to a Vector in C++
• Create Vector of Vectors in C++
• Initialize Vector of Structs in C++
• Remove Element From Vector in C++
• Check if Element Exists in C++ Vector
• Convert Vector to Array in C++
• Extract a Subvector From a Vector in C++
• Return a Vector From a Function in C++
• Initialize a Vector in C++
• Iterate Though a Vector in C++
• Print Out the Contents of a Vector in C++

C++ Math

• C++ Cube Root
• Find Square Root Using Babylonian Method in C++
• Magic Square Problem in C++
• Division in C++
• Prime Number Generator in C++
• Calculate the Average in C++
• Calculate Series Summation Using the for Loop in C++
• Convert Radians to Degrees in C++
• Find the Square Root Without Using the SQRT Function in C++
• Recursive Fibonacci in C++
• Arithmetic Operations on Fractions Using Constructor in C++
• Calculate Standard Deviation in C++
• Trigonometric Functions in C++
• Use Exponential Functions of STL in C++
• Calculate Distance Between Two Points in C++
• Calculate Factorial of a Number in C++
• Multiply Two Matrices in C++
• Generate Fibonacci Numbers in C++
• Raise Number to Power in C++
• Use a PI Constant in C++

C++ Command Line

• C++ Run Command Line

C++ String

• Capitalize First Letter of a String in C++
• Find the Longest Common Substring in C++
• Find the First Repeating Character in a String in C++
• Comparison of String and Character in C++
• Get the Last Character From a String in C++
• Remove Last Character From a String in C++
• Differences Between sizeof Operator and strlen Function for Strings in C++
• Erase String in C++
• Sort a String of Characters in C++
• Print All Permutations of the String in C++
• Check for a Palindrome String With A Recursive Function in C++
• Split String in C++
• Convert String Into Binary Sequence in C++
• Convert String to Int Array in C++
• Parse a Comma Separated String Sequence in C++
• Remove Punctuation From a String in C++
• Find Length of a String in C++
• Remove Spaces From String in C++
• Split String by Space in C++
• Check if String Is Empty in C++
• Check if String Is Palindrome in C++
• Convert String to Hex in C++
• Declare Multiline String in C++
• Tokenize a String in C++
• Add Int to String in C++
• Compare Two Strings Ignoring the Case in C++
• Iterate Through a String in C++
• Convert a Char to a String in C++
• Return a String From a Function in C++
• Replace a Part of the String in C++
• Concatenate Two Strings in C++
• Convert String to Uppercase in C++
• Print a String in C++
• Reverse a String in C++
• Trim a String in C++
• Parse String Using a Delimiter in C++
• Convert String to Int in C++
• Find Substring in String in C++
• Convert Char Array to String in C++
• Convert String to Char Array in C++
• Determine if a String Is a Number in C++
• Convert String to Lower Case in C++

C++ Version

• Check C++ Compiler Version in Linux
• Check the C++ Version

C++ Image

• Read PPM File in C++

C++ Matrix

• Inverse of a Matrix in C++

C++ Method

• C++ Call Parent Method
• C++ Factory Method

C++ Destructor

• C++ Pure Virtual Destructor
• Vector Destructor in C++

C++ Function

• C++ Redefinition of Formal Parameter
• Redefinition of Default Parameter in C++
• The shellExecute() Function in C++
• The const Keyword in Function Declaration of Classes in C++
• Handle Arguments Using getopt in C++
• Time(NULL) Function in C++
• Cotangent Function in C++
• Virtual Functions in C++
• Inline Functions in C++
• The Difference Between Function Arguments and Parameters in C++
• The Differences Between Virtual and Pure Virtual Functions in C++
• Use the std::stod Family of Functions in C++
• Inline Functions in C++
• Function Overloading VS Overriding in C++
• Function Overloading in C++
• Use Default Parameters for Functions in C++
• Use Void Functions in C++
• Call Function Within a Function in C++
• Pass Argument by Reference vs by Pointer in C++
• Return Multiple Values From Function in C++
• Call by Reference vs Call by Value in C++
• Solve Control Reaches End of Non-Void Function Error in C++
• Access Member Functions From Pointer to a Vector in C++
• Create Boolean Functions in C++
• Use Callback Functions in C++
• Return an Array From a Function in C++

C++ Memory

• Find Memory Leaks in C++
• Allocate and Deallocate the Memory in C++
• Garbage Collection in C++
• Utilize Stack vs Heap Memory Allocation in C++
• Avoid Memory Leaks in C++
• Use the delete Operator in C++
• Use malloc vs new Allocators in C++

C++ Class

• Initialize Static Variables in C++ Class
• Get Class Name in C++
• Point and Line Class in C++
• Class Template Inheritance in C++
• Difference Between Structure and Class in C++
• Class Type Redefinition in C++
• Wrapper Classes in C++
• Nested Classes in C++
• Overloaded Constructor in C++
• Object Slicing in C++
• The Move Constructor in C++
• Implement Class Constructors in C++
• Deep Copy VS Shallow Copy in C++
• Implement Assignment Operator Overloading in C++
• Multiple Inheritance in C++
• Call a Destructor Explicitly in C++
• Access Private Members of a Class in C++
• Define Class Destructor Using the Tilde Operator in C++
• Use Private vs Protected Class Members in C++

C++ Semantic

• Move Semantics in C++

C++ Linked List

• Check if Linked List Is Empty in C++
• Linked List Using Templates in C++

C++ Inheritance

• C++ Call Base Class Method
• Difference Between Public, Private, and Protected Inheritance in C++
• C++ Subclass Inheritance
• C++ Inheriting Constructors

C++ Exception

• Throw Exceptions With Message in C++
• Catch All Exceptions in C++
• Custom Exception in C++
• Throw Out of Range Exception in C++
• Throw Exception in C++

C++ typedef

• Typedef for Function Pointer in C++

C++ Using

• using vs typedef in C++

C++ Typedef

• using vs typedef in C++

C++ Pointer

• Dangling Pointers in C++
• Declaration and Uses of unique_ptr in C++
• Function Pointer to Member Function in C++
• Swap Two Numbers Using Pointers in C++
• Void Pointer in C++
• Functionality and Difference Between *& and **& in C++
• Dereference Pointers in C++
• Use the this Pointer in C++
• Understand Smart Pointers in C++
• The Difference Between Pointers and Array Notations in C/C++
• Pass Pointer by Reference in C++
• Use Smart Pointers in C++
• Pointer to an Array in C++
• Return a Pointer in C++
• Use const Qualifier With Pointers in C++
• Access Member Functions From Pointer to a Vector in C++
• Create Vector of Pointers in C++
• Check if Pointer Is NULL in C++

C++ Operator

• Overload the Bracket Operator in C++
• Overload Input and Output Stream Insertion Operators in C++
• Overload the Addition Operator in C++
• Overload the == Operator in C++
• Arrow Operator vs. Dot Operator in C++
• Operator Precedence and Associativity in C++
• Implement the if Statement With Multiple Conditions in C++
• Reference Operator in C++
• Bit Shift Operator in C++
• The or Operator in C++
• Logical XOR in C++
• The Addition Assignment Operator and Increment Operator in C++
• Overload Subscript Operator in C++
• Use a Conditional Operator in C++
• Use the typeid Operator in C++
• Operators in C++
• Pre-Increment VS Post-Increment Operators in C++

C++ Overload

• Overload the Bracket Operator in C++

C++ Package

• Package Managers for C++

C++ Error

• Jump to Case Label in the switch Statement
• NULL Undeclared Error in C++
• C++ std::bad_alloc Exception
• Error: Cannot Call Member Function Without Object in C++
• Solved: Expression Must Have Class Type Error in C++
• C++ Invalid Conversion of Int* to Int
• Function Returns the Address of a Local Variable Error in C++
• Handling Errors in C++
• Fix the Undefined Reference to Main Error in C++
• The new Keyword and No Match for Operator Error in C++
• Too Many Arguments to Function Error in C++
• Double Free or Corruption Error in C++
• Fix the Multiple Definitions of a Function Error in C++
• C++ Error ID Returned 1 Exit Status
• A Declaration Shadows a Parameter Error in C++
• Undefined Reference to Class::Function() in C++

C++ Struct

• C++ Struct Default Values Initialization
• Difference Between Struct and Typedef Struct in C++
• Struct in Class in C++
• Struct Inheritance in C++
• Create Array of Structs in C++

C++ Algorithm

• Maze Solver in C++
• Convert to SHA256 in C++
• STL Algorithms in C++
• Sieve of Eratosthenes Algorithm in C++
• The std::find_if Algorithm C++
• The std::merge Algorithm in C++
• The std::min_element Algorithm From STL in C++
• Implement the Binary Search in C++
• Implement the Insertion Sort Algorithm in C++
• Implement the Selection Sort Algorithm in C++
• Bubble Sort Algorithm in C++
• Implement Merge Sort Algorithm in C++
• Implement Quicksort Algorithm in C++
• C++ STL Binary Search

C++ Warning

• Warning: Cast From Pointer to Integer of Different Size in C++

C++ Infinity

• Define and Use Negative Infinity in C++

C++ Object

• Find Object Type in C++

C++ Number

• Complex Numbers in C++
• Represent Negative Values in C++

C++ Reference

• Concept of Returning Value, Reference to Value, and Const Reference in C++
• Double Ampersand in C++
• Const Reference vs Normal Parameter Passing in C++
• References in C++

C++ Keyword

• Difference Between Const Int and Int Const in C++
• Understand the Extern Keyword in C++

C++ Lexical Analyzer

• Lexical Analyzer in C++

C++ Rule

• Rule of Three in C++

C++ File Extension

• Difference Between .cc and .cpp File Extensions in C++

C++ Set

• Set vs Hashset in C++
• Use the STL Set Container in C++
• Find Set Intersection in C++

C++ Hashset

• Set vs Hashset in C++

C++ Variable

• Access Private Variable in C++

C++ Overloading

• Overload the == Operator in C++

C++ Sorting

• Sort Linked List in C++
• Sorting in C++ Standard Template Library (STL)
• Sort Strings Alphabetically in C++

C++ Characters

• C++ Escape Characters

C++ Encapsulation

• C++ Getters and Setters

C++ Functor

• Functors in C++

C++ List

• Iterate Through a List in C++
• The Differences Between STL Vector and STL List in C++
• Use STL List Container in C++ STL
• Print Linked List in C++

C++ Pragma

• Pragma Once in C++

C++ Type

• C++ Get Variable Type
• POD Type in C++

C++ Delay

• Add Timed Delay in C++

C++ Constant

• Const Member Function in C++

C++ Table

• Create a Lookup Table in C++
• Create a Table in C++

C++ Random

• Generate Random Values by Dice Roll in C++
• Seed Random Number Generator in C++
• Generate Random Number in Range in C++

C++ Parameter

• Const Parameters in C++

C++ Container

• The value_type in STL Containers in C++
• The Differences Between STL Vector and STL List in C++

C++ Loop

• Character Input in While Loop Using C++
• Nested Loops in C++
• The continue Statement in C++
• Range-Based for Loop in C++
• break vs continue in C++

C++ Key

• Detect Keypress in Windows Using C++

C++ File

• Multiple Code Files in C++
• Remove a File in C++
• Read CSV File in C++
• Read File Word by Word in C++
• Get File Size in C++
• Read File Into String in C++
• Write to File in C++
• Read File Char by Char in C++
• Read Int From a File in C++
• Read a File Line by Line in C++
• Append Text to a File in C++
• Get List of Files in Directory in C++
• Check if a File Exists in C++

C++ Segmentation

• Fix Segmentation Fault in C++

C++ DWORD

• Difference Between DWORD and Unsigned Int in C++

C++ Reflection

• Reflection in C++

C++ Serial Port

• Serial Port Connection in C++

C++ Convert

• Convert C# Codes to C++

C++ MD5

• Get the MD5 Hash of a File in C++

C++ Stringstream

• Clear Stringstream in C++

C++ Iterator

• Dereference an Iterator in C++
• The std::back_inserter Function Template in C++

C++ Compile

• Compile C++ Codes in macOS
• Compile and Run C++ 11 Codes in Dev C++

C++ Assert

• Add Message to Assert in C++

C++ Datatype

• Difference Between int and size_t in C++

C++ Namespace

• Namespaces in C++
• Namespaces in C++

C++ GCC

• Compile a C++ Program Using GCC

C++ Boolean

• Printing Boolean Values in C++

C++ HashMap

• Use HashMap in C++

C++ Timer

• Make a Countdown Timer in C++
• Use Timer in C++

C++ Statement

• The switch Statements in C++
• Breaks in C++ Switch Statement
• Utilize the goto Statement in C++
• Use Nested if-else Statements in C++

C++ typename

• The typename Keyword in C++

C++ Auto

• The auto Keyword in C++ Used for Type Inference

C++ Declaration

• Forward Declaration in C++

C++ Interface

• Implement Interfaces Using Abstract Class in C++

Cpp Array

• Read Text File Into 2-D Array in C++

C++ Condition

• Breaks in C++ Switch Statement

C++ Const

• The const Keyword in C++
• Use the const Keyword With Pointers in C++
• Use const Qualifier With Pointers in C++

C++ Numerics

• The std::gcd Function in C++

C++ Boost

• Boost Libraries in C++
• The boost::split Function in C++

C++ Static

• Static Function in C++
• Use the static Keyword in C++

C++ Hashing

• The std::hash Template Class in C++

C++ Mutex

• Use the std::mutex Synchronization Primitive in C++

C++ Map

• Insert New Elements in an STL Map in C++
• Use the std::map::find Function in C++
• Use an STL Map Container in C++
• Use the STL Unordered Map Container in C++
• Check if a Key Exists in a Map in C++
• Sort Map by Value in C++
• Find a Key in C++ Map
• Iterate Through Map in C++

C++ Enum

• Enumeration Type in C++
• Convert Enum to String in C++

C++ Pair

• Sort a Vector of Pairs in C++

C++ IO

• The Definition of Iostream in C++
• Use the STL Stringstream Class in C++
• Clear Input Buffer in C++
• Right Justify Output in C++
• Use cin.fail Method in C++
• Validate User Input in C++
• Use the ignore() Function in C++
• Change Console Color in C++

C++ Tuple

• The std::tuple Class and Its Member Functions in C++

C++ Heap

• Use STL Heap Algorithms in C++

C++ Queue

• Use the STL Priority Queue in C++
• Use the STL Queue Container in C++

C++ Cast

• Use the static_cast Command in C++
• Use Dynamic Cast in C++

C++ Manipulators

• Utilize the setw Manipulator in C++

C++ Volatile

• The volatile Qualifier in C++

C++ Bitset

• Use Bit Manipulation Methods in C++

C++ Exit

• exit(1) in C++

C++ System

• The system() Function in C++

C++ Stack

• Use STL Stack Container in C++

C++ Filesystem

• Create Directory in C++
• Create a File in C++
• Get Current Directory in C++

C++ Int

• INT_MAX and INT_MIN Macro Expressions in C++
• Check if Input Is Integer in C++
• Check if a Number Is Prime in C++
• Count Number of Digits in a Number in C++
• Parse Int From String in C++
• Convert Int to ASCII Char in C++
• Convert Int to a String in C++
• Convert String to Int in C++
• Convert Int to Char Array in C++

C++ Time

• Measure Execution Time of a Function in C++ STL
• Print System Time in C++
• Get Time in Milliseconds in C++

C++ Float

• Set the Precision of Floating-Point Numbers in C++
• Round Floating-Point Number to 2 Decimals in C++
• Convert Float to Int in C++
• Generate a Random Number Between 0 and 1 in C++
• Convert Float to String in C++
• Use setprecision in C++
• Generate a Random Float Number in C++
• Print Numbers With Specified Decimal Points in C++

C++ Makefile

• Use Makefile in C++

C++ Binary

• Convert String Into Binary Sequence in C++
• Convert Decimal to Binary in C++

C++ Process

• Retrieve Command-Line Arguments in C++

C++ Char

• Count Occurrences of a Character in String C++
• Get ASCII Value of Char in C++
• Convert ASCII to Char in C++
• Convert Char Array to Int in C++
• Convert Char Array to String in C++
• Convert String to Char Array in C++
• Convert Int to Char Array in C++

C++ Header

• Create a Header File in C++

C++ Environment

• Get Environment Variable in C++

C++ Deque

• Use the deque Container in C++

C++ Hex

• Convert String to Hex in C++

C++ Fork

• Create Processes With Fork in C++

C++ Bitmask

• Use Bitmask in C++

C++ Switch

• Use switch Statement in C++

C++ Signal

• Handle SIGABRT Signal in C++

C++ Dictionary

• Create a Dictionary in C++

C++ Modulo

• Use the Modulo Operator in C++

C++ Console

• Clear the Console in C++

C++ Double

• Generate Random Double in C++
• Round a Double to an Int in C++

C++ Scope

• Declare a Global Variable in C++

C++ Pause

• Pause a Program in C++

C++ Wait

• Wait for User Input in C++

C++ Sleep

• Sleep for Milliseconds in C++