UK Take-Home Pay 2025/26: What Changed and What It Means for You
A breakdown of the 2025/26 tax year changes, frozen thresholds, fiscal drag, and worked examples showing your actual take-home pay at every salary level.
Practical guides on encoding, hashing, data formats, and the tools developers actually use.
A breakdown of the 2025/26 tax year changes, frozen thresholds, fiscal drag, and worked examples showing your actual take-home pay at every salary level.
When to use Base64 vs URL encoding, how JWTs actually work, and the encoding mistakes that break production APIs.
A no-nonsense breakdown of hash functions. What each one does, when to use it, and the one you should never use for passwords.
Each data format exists for a reason. Here's when to reach for each one, how to convert between them, and the gotchas that trip people up.
A practical reference of regex patterns for email validation, password strength, phone numbers, dates, and more. Copy-paste examples included.
Learn cron syntax from the ground up. Covers the five-field format, common schedules, platform differences, and the mistakes that trip people up.
A clear explanation of BMI categories, the formula behind the number, the limitations of BMI, and when other health metrics are more useful.
The compound interest formula broken down with real examples, the Rule of 72, and practical strategies for making compounding work in your favor.
Compare UUID v4, UUID v7, Nano ID, and CUID2. Learn the tradeoffs around length, sortability, collision resistance, and database performance.
Most Plan 2 borrowers will never repay in full. Learn how UK student loan repayment works, see worked examples at different salaries, and find out whether overpaying makes sense.
Reference tables and mental math tricks for converting between metric and imperial units. Covers length, weight, temperature, volume, and area.