The Year 2038 Problem: When 32-Bit Timestamps Run Out
On January 19, 2038, a 32-bit Unix timestamp counter will overflow and roll back to 1901. Here's a data-led look at which systems are actually at risk, what the failure modes look…
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Guides, tips and explanations
Number Bases Q&A: Your 12 Most Common Conversion Questions Answered
Rapid-fire answers to the 12 most common questions about converting between binary, hex, octal, and decimal — plus how color codes and Unix timestamps fit into the picture.
Read more →Two's Complement: How Computers Store Negative Numbers in Binary
Two's complement is the encoding every modern processor uses to represent negative integers in binary. This piece explains the mechanics — the invert-and-add-one rule, sign extens…
Read more →I Debugged a Timezone Disaster at 2 AM — Here's What I Learned
A midnight production bug that scrambled two hours of orders taught me the hard way: naive local timestamps are a silent disaster waiting to happen. Here's the full story — and th…
Read more →5 Myths About Hexadecimal That Confuse Beginners
Five stubborn myths keep beginners away from hexadecimal — that it's for hackers only, that A-F are mysterious symbols, that conversion is impossible without a specialist calculat…
Read more →Seconds or Milliseconds? The Timestamp Bug That Keeps Biting Developers
Mixing up seconds and milliseconds in Unix timestamps is one of the most common — and most silent — bugs in modern software. Here's how to spot the off-by-1000 symptom, understand…
Read more →The Unix Timestamp Explained: What Second Zero Really Means
The Unix timestamp is just a number — but it's the number that synchronizes the entire internet. A deep look at why January 1, 1970 became the anchor for modern computing, how epo…
Read more →RGB vs HSL vs HSV: Which Color Model Should You Actually Use?
RGB, HSL, and HSV all describe the same colors — but each one excels in a different context. Here's a concrete breakdown of when to use each model, from CSS styling to color picke…
Read more →Why Hex Colors Use 6 Characters (and What Each Pair Means)
A hex color like #3a7bd5 isn't random magic — it's three numbers packed into six characters, each pair controlling how bright the red, green, and blue light is in a single pixel. …
Read more →How to Convert Binary to Decimal in Your Head
Learn two mental tricks — the place-value table and the doubling method — that let you convert binary to decimal in your head without a calculator. Includes real examples, hex col…
Read more →Binary, Octal, Hex, Decimal: The Only Number Base Guide You Need
A complete primer on positional number systems — why computers use base-2 and base-16, how to convert between binary, octal, decimal, and hex by hand, and where these systems appe…
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