Programming Tutorials

Practical programming tutorials with clear examples and best practices for Python, C++, JavaScript and more. Learn design, testing and performance.

COBOL to Python Migration - A UK Enterprise Guide 2026

COBOL powers an estimated hundreds of billions of lines of code still running in global financial systems, government infrastructure, and enterprise backends. In the UK, many of those systems are running in banks, insurance companies, public sector organisations, and large retailers. The developers who wrote them are...

UK Software Development Outsourcing - What to Know

Outsourcing software development has grown significantly as a search topic in the UK, with “outsourcing software development” up 70% and “software development outsourcing” up 60% over the past three months. UK businesses are actively looking for external development capacity, but many are uncertain whether to engage a...

Backend Development in 2026 - Technologies, Costs, UK Hiring

Backend development search interest has grown 80% to 110% across UK keyword data in the past three months, appearing in both software development and web development research categories. That dual presence tells you something important: backend skills are now in demand from businesses that have historically focused on...

Django vs Flask vs FastAPI in 2026 - Which to Choose

Search interest in “python web framework” has grown 190% in the UK over the past three months, making it one of the fastest-rising technical queries of 2026. The reason is straightforward: Python has become the dominant language for AI integration, data processing, and rapid API development, and teams are reassessing...

Custom Software Development UK - The Complete Buyer's Guide

Custom software development in the UK is experiencing a significant uptick in 2026. Search interest for “custom software development” is up 40%, “bespoke software development” is up 30%, and queries for a “custom software development company” have grown 110%. Businesses are actively looking for specialist partners...

AI Software Development - A UK Business Guide for 2026

AI software development is not a future trend for UK businesses; it is already the baseline. Search interest in the term has grown 30% in the past three months, and interest in “AI software development company” is up 60%. The businesses that understand this shift now will have a significant head start over those still...

COBOL to C++ migration: modernizing legacy systems guide

A COBOL to C++ migration is one of the most impactful modernization projects an organization can take on, and also one of the most underserved. There are still roughly 220 billion lines of COBOL running in production today. Banks process trillions of dollars through it. Governments run pension systems, tax collection,...

C++ vs Rust Memory Safety - Practical Examples with Modern C++

The memory safety discussion between C++ and Rust has become one of the most active topics in software engineering. Government agencies have weighed in, conference talks are dedicated to it, and opinions run strong on both sides. Let me be upfront: Rust is an excellent language. Its ownership model and borrow checker...

Tiny BPE Trainer – A Fast and Lightweight BPE Trainer in C++

Introducing Tiny BPE TrainerMost modern NLP models today from GPT to RoBERTa, rely on subword tokenization using Byte Pair Encoding (BPE). But what if you want to train your own vocabulary in pure C++? Meet Tiny BPE Trainer - a blazing-fast, header-only BPE trainer written in modern C++17/20, with zero dependencies,...

A Fast, UTF-8 Aware C++ Tokenizer for NLP & ML

Introducing Modern Text TokenizerModern natural language processing (NLP) models like BERT, DistilBERT, and other transformer-based architectures rely heavily on effective tokenization. But C++ developers often face limited options like bloated dependencies, poor Unicode support, or lack of compatibility with...