2. HowTo
3. C++ Howtos

C++ Math

• 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++ String

• Check for a Palindrome String With Recursive Function in C++
• Split String in C++
• Convert String Into Binary Sequence in C++
• Convert String to Int Array 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++ Array

• 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++ Class

• 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++ Pointer

• 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++ Function

• 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++
• 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

• Avoid Memory Leaks in C++
• Use the delete Operator in C++
• Use malloc vs new Allocators 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++ IO

• 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++ File

• 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++ Vector

• 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++ Binary

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

C++ Process

• Retrieve Command-Line Arguments in C++

C++ Statement

• Use Nested If-Else Statements 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++ Loop

• Range-Based for Loop in C++
• break vs continue in C++

C++ Map

• Sort Map by Value in C++
• Find a Key in C++ Map
• Iterate Through Map in C++

Csharp Sort

• Sort Strings Alphabetically in C++

C++ Algorithm

• C++ STL Binary Search

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++ Set

• Find Set Intersection in C++

C++ Bitmask

• Use Bitmask in C++

C++ Timer

• Use Timer in C++

C++ Const

• Use const Qualifier With Pointers in C++

C++ Switch

• Use switch Statement in C++

C++ Signal

• Handle SIGABRT Signal in C++

C++ List

• Print Linked List in C++

C++ Dictionary

• Create a Dictionary in C++

C++ Modulo

• Use the Modulo Operator in C++

C++ Struct

• Create Array of Structs in C++

C++ Random

• Generate Random Number in Range in C++

C++ Cast

• Use Dynamic Cast 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++ Enum

• Convert Enum to String 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++