Primo's Code Blogs

Primo's Code Blogs Tested and working Java/JSF, C/C++, HTML/Javascript Howtos, Tricks and Tips, and code snippets for desktop, server, mobile and web.

06/11/2025

Just came across this fantastic article on modern C++ string formatting improvements. Gone are the days of clunky sprintf and confusing format specifiers! With the latest updates, formatting strings in C++ is now safer, more intuitive, and way more powerful. If you’re still using the old methods, it’s time to upgrade your toolkit and write cleaner, more maintainable code. Check out the article for a deep dive into the new features and see how easy it is to make your code more modern and robust. https://tinyurl.com/37fx8skm

05/20/2025

The C++ Ranges library, introduced in C++20, is a powerful addition to the C++ Standard Library that simplifies and enhances the way developers work with sequences of data. It builds upon the iterator-based approach of the Standard Template Library (STL) by providing a more expressive, composable, a...

05/13/2025

C++20 introduced coroutines, is a powerful feature for writing asynchronous code in a more synchronous, readable style. When combined with Boost.Asio, a robust library for network and low-level I/O operations, coroutines enable developers to build scalable, efficient asynchronous applications with c...

05/07/2025

The C++ is a fixed-size sequence of bits, providing an efficient way to manipulate and store binary data. Unlike dynamic containers like std::vector, std::bitset has a compile-time fixed size, making it highly optimized for scenarios where the number of bits is known in adv...

04/28/2025

The ss (socket statistics) command is a powerful and modern replacement for the older netstat tool in Linux. It provides detailed information about network connections, sockets, and statistics. This article covers how to use the ss command, focusing on the most common options, to help you monitor an...

04/27/2025

Keyboard shortcuts are a great way to boost productivity and efficiency when using Windows. They allow users to quickly navigate, execute actions, and manage tasks without reaching for the mouse. Here are 20 essential Windows keyboard shortcuts along with their descriptions:

04/25/2025

The C++ std::chrono, introduced in C++11, provides a powerful and flexible way to handle time-related operations. It offers tools for measuring durations, working with time points, and managing clocks, making it invaluable for applications requiring precise timing. This article explores the key comp...

04/22/2025

The Execute-Around Method Pattern is a design pattern that encapsulates setup and cleanup operations around a core operation, ensuring that resources are properly managed and that the setup and cleanup are consistently performed. This pattern is particularly useful for handling resources like file h...

04/06/2025

When building modern web applications with React, you often need to store data client-side. Two popular options are localStorage and IndexedDB. While both serve similar purposes, they have distinct differences in capabilities and use cases. This article compares these storage mechanisms and provides...

03/31/2025

C++ Templates are a powerful feature that allow you to write generic, reusable code. They enable functions and classes to operate with any data type, making your code more flexible and reducing redundancy. In this article, we'll explore how to create and use C++ templates, illustrated with real-life...

03/18/2025

In the world of web development, real-time communication has become a cornerstone for interactive applications like chat systems, live notifications, and gaming platforms. While traditional HTTP connections have long been the backbone of the internet, they aren't always the best fit for scenarios re...

03/15/2025

Setting up a mail server on Debian 12 allows you to send and receive emails using your own domain, offering control over your email infrastructure. This article walks you through installing and configuring a mail server with Postfix (for sending and receiving emails) and Dovecot (for email retrieval...

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