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🤯 Wacky fact of the day · Human Body

Bones are stronger than steel of the same weight.

Weight for weight, bone is remarkably strong, especially under compression, because of its mix of collagen and mineral.

Why? How? →Source ↗

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AI Meeting Note-Takers: A Privacy Checklist Before You Turn One On

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30 Apr 2026 · AI & ML · 2 min read

AI Meeting Note-Takers: A Privacy Checklist Before You Turn One On

AI tools that join calls and write minutes are useful — and record everything. Ten questions to answer about consent, data storage, training, access…

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30 April 2026 by Atul Vij AI & ML, AI Tools

Why 0.1 + 0.2 Is Not Exactly 0.3 (and Why Excel Sometimes Agrees)

Why 0.1 + 0.2 Is Not Exactly 0.3 (and Why Excel Sometimes Agrees)

28 Apr 2026 · Excel Formulas · 4 min read

Why 0.1 + 0.2 Is Not Exactly 0.3 (and Why Excel Sometimes Agrees)

Computers store decimals in binary, so 0.1 + 0.2 becomes 0.30000000000000004. Why it happens, why Excel usually hides it and where it doesn’t (wrapped…

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28 April 2026 by Atul Vij Excel Formulas, Science Leave a comment

LET and LAMBDA: Write Your Own Excel Functions (No VBA)

LET and LAMBDA: Write Your Own Excel Functions (No VBA)

26 Apr 2026 · Formula Combos · 2 min read

LET and LAMBDA: Write Your Own Excel Functions (No VBA)

Use LET to name parts of long formulas and LAMBDA to create reusable custom functions like CLEANTEXT or FYEAR — saved in Name Manager,…

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26 April 2026 by Atul Vij Formula Combos Leave a comment

TallyPrime Backup and Restore: Do It the Right Way

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25 Apr 2026 · Tally & Busy · 2 min read

TallyPrime Backup and Restore: Do It the Right Way

Back up TallyPrime company data properly: where data lives, taking a backup, restoring to a new PC, keeping copies off the computer and a…

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25 April 2026 by Atul Vij Tally & Busy Leave a comment

Excel’s Strangest Behaviours Explained: 15 “Bugs” That Are Actually Features

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23 Apr 2026 · Excel Formulas · 3 min read

Excel’s Strangest Behaviours Explained: 15 “Bugs” That Are Actually Features

Why Excel turns 1-2 into a date, drops leading zeros, shows ####, changes long numbers to E+ notation, gives #SPILL!, auto-corrects gene names and…

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23 April 2026 by Atul Vij Excel Formulas Leave a comment

Rust Lesson 6: Project — A CSV Summary Tool

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21 Apr 2026 · Rust · 1 min read

Rust Lesson 6: Project — A CSV Summary Tool

Build a small command-line tool that reads sales.csv, parses rows safely, totals sales by region in a BTreeMap and prints a report, with next…

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21 April 2026 by Atul Vij Rust Leave a comment

Rust Lesson 5: Error Handling With Result

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20 Apr 2026 · Rust · 1 min read

Rust Lesson 5: Error Handling With Result

Handle failures without exceptions: Result and Option, the ? operator, map_err, expect vs unwrap, and returning clear errors.

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20 April 2026 by Atul Vij Rust Leave a comment

Rust Lesson 4: Structs and Enums

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19 Apr 2026 · Rust · 1 min read

Rust Lesson 4: Structs and Enums

Model data with structs and impl blocks, enums with data, and match to handle every case — the patterns behind most Rust programs.

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19 April 2026 by Atul Vij Rust Leave a comment

Rust Lesson 3: Ownership and Borrowing

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18 Apr 2026 · Rust · 1 min read

Rust Lesson 3: Ownership and Borrowing

Rust’s core idea explained simply: each value has one owner, moves, borrowing with & and &mut, and why this removes whole classes of bugs.

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18 April 2026 by Atul Vij Rust Leave a comment

TRUE Function in Excel: The Logical Value TRUE

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17 Apr 2026 · Excel Functions A–Z · 1 min read

TRUE Function in Excel: The Logical Value TRUE

TRUE() returns the logical value TRUE. You can also just type TRUE; the function form exists for compatibility.

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17 April 2026 by Atul Vij Excel Functions A–Z, Logical Leave a comment

Rust Lesson 2: Variables, Mutability and Types

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17 Apr 2026 · Rust · 1 min read

Rust Lesson 2: Variables, Mutability and Types

Rust variables are immutable by default: let and let mut, integer and float types, casting with as, string slices vs String, and formatted printing.

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17 April 2026 by Atul Vij Rust Leave a comment

Rust Lesson 1: Install Rust and Cargo

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16 Apr 2026 · Rust · 1 min read

Rust Lesson 1: Install Rust and Cargo

Install Rust with rustup, create a project with cargo new, build and run with cargo run, and understand Cargo.toml and src/main.rs.

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16 April 2026 by Atul Vij Rust Leave a comment
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