Learn to grow
Muhammad Ali RafiqueI will share my understanding of Software design as it improves due to the obstacles we face and solve them in day-to-day activities.
| Platform |  | Pricing | Only free issues | Publishes | Twice weekly |
|---|---|---|---|---|---|
| Issues | 22 | Founded | 2 years ago | Last Issue | 5 months ago |
| Active | |||||
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Stop Comparing Neighbors. They’re Not the Problem.
The Puzzle
Given an array of integers, return the largest difference between two elements such that the larger number comes after the smaller one.
If no such pair exists, return 0.
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🪞When Punctuation Tries to Ruin a Palindrome
🧩 Problem
Given a string, return true if it is a palindrome after removing non-alphanumeric characters and ignoring case.
✅ Examples
🔹 “A man, a plan, a canal: Panama” → true
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Count what matters, Not the Noise
Given a string, return the number of vowels (a e i o u) in it.
Treat uppercase and lowercase as the same.
Example
“Hello World” → 3
Hints (light nudges only):
-
Normalize the input first
-
You’re checking membership, not positions...
Have I Seen This Before?
Puzzle
Given an integer array, return true if any value appears at least twice, otherwise return false.
Example
[1, 2, 3, 1] → true
[1, 2, 3, 4] → false
Hints (use only if stuck):
- Hint 1: You care about seen vs unseen values.
*...
The Boy Who Cried Wolf: Addressing False Positives in Testing
False positives in tests are like the boy who cried wolf. They create noise that reduces confidence in testing efforts, even if they eventually find all the bugs. This can lead to wasted time and resources, and ultimately, less reliable sof...
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Authors
The writers behind this newsletter.
Software architecture enthusiast
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