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How-to tutorials

Fix black screen issue for Ubuntu VM in 8 blessed steps

This step-by-step tutorial contains the solution to one of the most common issues when using virtual machines from Oracle VM VirtualBox: after starting the virtual machine, it shows a black screen and it seems to not work anymore. Do not…

Pietro L. Carotenuto
March 4, 2023

Programming languages

Main differences between C and C++

C++ provides OOP and modern features, whereas C is simple and efficient for systems programming. Discover the main differences between C and C++.

Pietro L. Carotenuto
January 15, 2023

Programming languages

Best books to learn C++20? My list & reviews

Would you like to learn C++20? Do you know which are the best books to learn C++20? Let me share my personal wish list and reviews.

Pietro L. Carotenuto
March 28, 2022

Coding challenges

One Pizza – Problem description & score

The "One pizza" problem is the practice problem proposed by Google for the Hash Code challenge 2022. Check the problem description and score.

Pietro L. Carotenuto
February 19, 2022

why a class must not inherit from a STL container

Programming languages

An example of bad class design with STL containers: what’s the solution?

A class must not inherit from a STL container to replicate its behavior and add some few new functionalities. Let's see why...

Pietro L. Carotenuto
November 14, 2021

How to fix the unstaged changes after git revert problem

Version Control Systems

Git – Unstaged changes after a revert – CRLF/LF issue

The problem: unexpected unstaged changes after a revert Recently, when using the GIT command-line to switch to an existing user branch, the checkout failed due to some local changes in the current workspace. In this case, git suggests to commit…

Pietro L. Carotenuto
September 6, 2021

C Boost Library Free content - Free content

How-to tutorials

C++ Boost library v1.75.0 – how to build (x86) and install it – the basic approach

C++ Boost Library: basic step to build and install 32 bit version. In this tutorial, boost v1.75.0 is installed and tested.

Pietro L. Carotenuto
April 17, 2021

Programming languages

Quick C++ std::vector initialization

How many ways exist to initialize a std::vector in C++? Let's see some examples...

Pietro L. Carotenuto
March 29, 2021

Programming languages

Finding min and max values in a C++ standard container

In C++, finding the elements having the lowest and highest value in a standard container is easy with min_element() and max_element(). Let's see some examples.