ISO Country Codes Explained: Alpha-2, Alpha-3, Numeric
ISO country codes explained: how alpha-2, alpha-3 and numeric codes differ, how they link to domains and flag emoji, and pitfalls to avoid in your code.
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Guides on test data, international formats, privacy, passwords and probability.
How to Memorize World Capitals: 6 Techniques That Work
How to memorize world capitals with spaced repetition, mnemonics and random quizzes, plus the trickiest capitals that catch out even geography fans.
IATA vs ICAO Airport Codes: How Airport Codes Work
IATA vs ICAO airport codes explained: why there are three and four letters, the stories behind ORD, LAX and YYZ, and how to use airport codes in test data.
Time Zone Bugs: How to Test Your App Across the World
Time zone testing for developers: odd UTC offsets, daylight saving gaps, IANA names and a practical test matrix to catch scheduling bugs before users do.
Compass Points Explained: Read Bearings Like a Navigator
Compass points explained: cardinal, intercardinal and 16-point directions, how bearings in degrees work, magnetic north and fun uses for random headings.
Seven Wonders Old and New: A Guide to Famous Landmarks
The Seven Wonders of the World explained: ancient and new lists, which wonder still stands, and how to turn landmarks into quizzes and drawing prompts.
How to Choose a Language to Learn (and Stick With It)
How to choose a language to learn: weigh motivation, difficulty, scripts and resources, then use a random shortlist to break the tie and start learning.
How to Format Currency in Apps: Codes, Symbols, Decimals
How to format currency in apps: ISO 4217 codes, symbol placement, decimal places and separators, plus why floats break prices and how to test it all.
How to Come Up With a Nickname That Actually Sticks
Learn how to come up with a nickname that sticks: the patterns behind great nicknames, a quick shortlist method and tips for friends, teams and players.
How to Name a New Pet: A Simple Family Method
How to name a new pet without family arguments: a step-by-step method, naming rules that help training and ideas for dogs, cats, rabbits and birds.
How to Create Fantasy Names That Sound Believable
How to create fantasy names for worldbuilding: sound rules, naming cultures, suffixes and titles that make characters, places and peoples feel real.
Choosing a Baby Boy Name: How to Build a Shortlist
Choosing a baby boy name is easier with a plan: build a shortlist, test first and last name flow, explore names from other countries and decide together.
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