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Is it absolutely necessary for std::any_cast() and std::get_if(std::variant) to take pointer as an argument?

Why Do std any cast and std get if Work with Pointers A Deep Dive into C Type Safety The C standard library offers powerful tools like std any and std variant f

2 min read 07-10-2024 23
Is it absolutely necessary for std::any_cast() and std::get_if(std::variant) to take pointer as an argument?
Is it absolutely necessary for std::any_cast() and std::get_if(std::variant) to take pointer as an argument?

When to use std::invoke instead of simply calling the invokable?

When to Use std invoke Instead of a Direct Call In C the std invoke function might seem redundant especially when you can simply call an invokable directly Howe

2 min read 06-10-2024 47
When to use std::invoke instead of simply calling the invokable?
When to use std::invoke instead of simply calling the invokable?

Storing multiple types into class member container

Storing Multiple Types in a Class Member Container A Guide Storing multiple data types within a single class member can be a challenge but its a common requirem

4 min read 06-10-2024 44
Storing multiple types into class member container
Storing multiple types into class member container

How can I intentionally discard a [[nodiscard]] return value?

Silencing the Warning How to Ignore nodiscard Return Values in C C s nodiscard attribute is a powerful tool for developers signaling to the compiler that a func

2 min read 06-10-2024 46
How can I intentionally discard a [[nodiscard]] return value?
How can I intentionally discard a [[nodiscard]] return value?

How to flatten heterogeneous lists (aka tuples of tuples of ...)

Flatten Heterogeneous Lists in Python Unraveling the Nested Structures Have you ever found yourself grappling with a deeply nested list filled with tuples and m

3 min read 06-10-2024 46
How to flatten heterogeneous lists (aka tuples of tuples of ...)
How to flatten heterogeneous lists (aka tuples of tuples of ...)

Is there any practical reason why std::get_if (std::variant) takes a variant argument by pointer instead of by value/&/const&?

Why Does std get if for std variant Take a Pointer Argument The std get if function in C is designed to safely access a specific type within a std variant Howev

2 min read 05-10-2024 43
Is there any practical reason why std::get_if (std::variant) takes a variant argument by pointer instead of by value/&/const&?
Is there any practical reason why std::get_if (std::variant) takes a variant argument by pointer instead of by value/&/const&?

Equal not-null pointers to distinct variables in C++

Why Comparing Equal Non Null Pointers in C Doesnt Guarantee Distinct Variables Lets dive into a common misconception in C programming the assumption that compar

2 min read 05-10-2024 41
Equal not-null pointers to distinct variables in C++
Equal not-null pointers to distinct variables in C++

How to Ensure proper initialization of Non Static Data Members within a Class Template in C++

Ensuring Proper Initialization of Non Static Data Members in C Class Templates When working with C class templates initializing non static data members NSDMs ca

2 min read 05-10-2024 48
How to Ensure proper initialization of Non Static Data Members within a Class Template in C++
How to Ensure proper initialization of Non Static Data Members within a Class Template in C++

Can we use two different mutex when waiting on same conditional variable?

Can We Use Two Different Mutexes When Waiting on the Same Conditional Variable The Problem When working with multi threaded programming synchronization is cruci

2 min read 05-10-2024 52
Can we use two different mutex when waiting on same conditional variable?
Can we use two different mutex when waiting on same conditional variable?

Why is my struct destructed twice with `std::variant` and `std::monostate`?

The Double Destructor Mystery Why std variant and std monostate Lead to Unexpected Behavior Have you ever encountered a situation where your struct seemed to be

3 min read 05-10-2024 49
Why is my struct destructed twice with `std::variant` and `std::monostate`?
Why is my struct destructed twice with `std::variant` and `std::monostate`?

When compiling {fmt} include file in Linux with g++ compiler getting an error of class is private and cannot be accessed from outside

Class is Private Error When Compiling fmt in Linux A Deep Dive This article delves into the common error class is private encountered when compiling the fmt lib

2 min read 04-10-2024 43
When compiling {fmt} include file in Linux with g++ compiler getting an error of class is private and cannot be accessed from outside
When compiling {fmt} include file in Linux with g++ compiler getting an error of class is private and cannot be accessed from outside

Why can't std::variant types be classes with an explicit copy constructor?

Demystifying std variant and its Copy Constructor Conundrum The std variant in C is a powerful tool for representing a type safe union It allows you to hold dif

2 min read 04-10-2024 45
Why can't std::variant types be classes with an explicit copy constructor?
Why can't std::variant types be classes with an explicit copy constructor?

How can I create a map which can hold mapped values of two different types?

How to Create a Map to Hold Mapped Values of Two Different Types in Programming In programming maps or dictionaries in some languages are a powerful data struct

3 min read 30-09-2024 45
How can I create a map which can hold mapped values of two different types?
How can I create a map which can hold mapped values of two different types?

C++ map: How do I get the key that was used to add an element into a std::map?

Understanding C Maps Retrieving the Key Used to Add an Element When working with C std map developers often find themselves needing to interact with keys and va

3 min read 30-09-2024 55
C++ map: How do I get the key that was used to add an element into a std::map?
C++ map: How do I get the key that was used to add an element into a std::map?

C++ (Template) Wrapper for Intel IPP functions

C Template Wrapper for Intel IPP Functions Intel Integrated Performance Primitives IPP is a library that provides highly optimized software functions for multim

3 min read 29-09-2024 43
C++ (Template) Wrapper for Intel IPP functions
C++ (Template) Wrapper for Intel IPP functions

CRTP: Type conversion error calling base function from derived class

Understanding CRTP Type Conversion Error When Calling Base Function from Derived Class The Curiously Recurring Template Pattern CRTP is a powerful technique in

3 min read 29-09-2024 34
CRTP: Type conversion error calling base function from derived class
CRTP: Type conversion error calling base function from derived class

Returning an optional from a templated conversion function

Returning an Optional from a Templated Conversion Function in C In modern C development handling the return of values safely and efficiently is essential One co

2 min read 29-09-2024 46
Returning an optional from a templated conversion function
Returning an optional from a templated conversion function

How do I fix `The specified type does not meet the requirements of Cpp17MoveInsertable`?

How to Fix The specified type does not meet the requirements of Cpp17 Move Insertable When working with C 17 and modern C features you may encounter the error m

2 min read 29-09-2024 44
How do I fix `The specified type does not meet the requirements of Cpp17MoveInsertable`?
How do I fix `The specified type does not meet the requirements of Cpp17MoveInsertable`?

"Process finished with exit code -1073740791 (0xC0000409)" when use vector of future

Understanding the Process finished with exit code 1073740791 0x C0000409 Error in C with std future and std vector When working with asynchronous programming in

2 min read 26-09-2024 54
"Process finished with exit code -1073740791 (0xC0000409)" when use vector of future
"Process finished with exit code -1073740791 (0xC0000409)" when use vector of future

Getting wrong answer in my binary search solution while my linear search code with exact same logic is accepted

Troubleshooting Binary Search Solutions Why Your Code May Fail While Linear Search Passes Binary search is a highly efficient algorithm for finding an item in a

2 min read 25-09-2024 49
Getting wrong answer in my binary search solution while my linear search code with exact same logic is accepted
Getting wrong answer in my binary search solution while my linear search code with exact same logic is accepted

Is it possible to check for std::execution::par in header file before compilation?

Checking for std execution par Before Compilation A Guide In the realm of C programming especially with the introduction of parallelism features in C 17 many de

2 min read 25-09-2024 58
Is it possible to check for std::execution::par in header file before compilation?
Is it possible to check for std::execution::par in header file before compilation?

Having trouble declaring friend classes using macros and template metaprogramming

Understanding Friend Classes in C Overcoming Challenges with Macros and Template Metaprogramming When working with C declaring friend classes can sometimes be t

2 min read 25-09-2024 51
Having trouble declaring friend classes using macros and template metaprogramming
Having trouble declaring friend classes using macros and template metaprogramming

SFML audio Visual Studio C++

Introduction to SFML Audio in Visual Studio with C If you re venturing into game development or multimedia applications with C you may find yourself needing a r

3 min read 25-09-2024 60
SFML audio Visual Studio C++
SFML audio Visual Studio C++

How to make tag_invoke CPO deal uniformly with types matching a meta-predicate/concept and with those types wrapped in reference_wrapper?

How to Make tag invoke CPO Deal Uniformly with Types Matching a Meta Predicate Concept and Those Wrapped in reference wrapper In modern C programming the tag in

2 min read 24-09-2024 53
How to make tag_invoke CPO deal uniformly with types matching a meta-predicate/concept and with those types wrapped in reference_wrapper?
How to make tag_invoke CPO deal uniformly with types matching a meta-predicate/concept and with those types wrapped in reference_wrapper?

Add a compiler C preprocessor macro (-D option) in a C++ header file

Understanding the C Preprocessor Macro D Option in C Header Files When working with C development you might encounter the need to define macros in your code One

2 min read 24-09-2024 62
Add a compiler C preprocessor macro (-D option) in a C++ header file
Add a compiler C preprocessor macro (-D option) in a C++ header file