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AWS AWS Security Groups vs NACLs: (Stateful vs Stateless explicado fácil para proteger tus cargas de trabajo)
Oscar Gaviria
Oscar Gaviria
Oscar Gaviria
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Jan 21
AWS AWS Security Groups vs NACLs: (Stateful vs Stateless explicado fácil para proteger tus cargas de trabajo)
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aws
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networking
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security
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intermediate
7
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4
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6 min read
Day 58: Python Run-Length Encoding (RLE) – Compress Strings Like a Pro with This Ultra-Simple O(n) Trick
Shahrouz Nikseresht
Shahrouz Nikseresht
Shahrouz Nikseresht
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Dec 8 '25
Day 58: Python Run-Length Encoding (RLE) – Compress Strings Like a Pro with This Ultra-Simple O(n) Trick
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python
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intermediate
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2 min read
Day 57: Python GCD & LCM with Euclidean Algorithm, Lightning-Fast Divisor Math That's 2000+ Years Old (And Still Unbeatable)
Shahrouz Nikseresht
Shahrouz Nikseresht
Shahrouz Nikseresht
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Dec 7 '25
Day 57: Python GCD & LCM with Euclidean Algorithm, Lightning-Fast Divisor Math That's 2000+ Years Old (And Still Unbeatable)
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python
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intermediate
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algorithms
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3 min read
Day 56: Python Fibonacci nth Term – Blazing Fast O(n) Iterative Solution with O(1) Space (No Recursion!)
Shahrouz Nikseresht
Shahrouz Nikseresht
Shahrouz Nikseresht
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Dec 6 '25
Day 56: Python Fibonacci nth Term – Blazing Fast O(n) Iterative Solution with O(1) Space (No Recursion!)
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python
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intermediate
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programming
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2 min read
Day 54: Python Summary Ranges – Compress Sorted Unique Integers into Minimal "a->b" Strings Like LeetCode Pros
Shahrouz Nikseresht
Shahrouz Nikseresht
Shahrouz Nikseresht
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Dec 4 '25
Day 54: Python Summary Ranges – Compress Sorted Unique Integers into Minimal "a->b" Strings Like LeetCode Pros
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challenge
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python
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intermediate
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programming
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3 min read
Day 55: Python Calculate Mean & Median Manually – No Statistics Module, Just Pure Python Power
Shahrouz Nikseresht
Shahrouz Nikseresht
Shahrouz Nikseresht
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Dec 5 '25
Day 55: Python Calculate Mean & Median Manually – No Statistics Module, Just Pure Python Power
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intermediate
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3 min read
Day 53: Python Count Overlapping Substrings – The Hidden Limitation of str.count() and the Perfect Sliding Window Fix
Shahrouz Nikseresht
Shahrouz Nikseresht
Shahrouz Nikseresht
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Dec 3 '25
Day 53: Python Count Overlapping Substrings – The Hidden Limitation of str.count() and the Perfect Sliding Window Fix
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python
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intermediate
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programming
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3 min read
Day 52: Python Longest Continuous Increasing Subarray – Find the Maximum Length of Strictly Increasing Adjacent Elements in O(n)
Shahrouz Nikseresht
Shahrouz Nikseresht
Shahrouz Nikseresht
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Dec 2 '25
Day 52: Python Longest Continuous Increasing Subarray – Find the Maximum Length of Strictly Increasing Adjacent Elements in O(n)
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challenge
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python
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intermediate
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programming
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3 min read
Day 51: Python First Unique Character – Find the First Non-Repeating Char in String with Hash Map Magic
Shahrouz Nikseresht
Shahrouz Nikseresht
Shahrouz Nikseresht
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Dec 1 '25
Day 51: Python First Unique Character – Find the First Non-Repeating Char in String with Hash Map Magic
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python
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intermediate
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programming
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2 min read
Day 50: Python Group Anagrams – The Cleanest O(n * m log m) Way to Cluster Words by Letter Signature
Shahrouz Nikseresht
Shahrouz Nikseresht
Shahrouz Nikseresht
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Nov 30 '25
Day 50: Python Group Anagrams – The Cleanest O(n * m log m) Way to Cluster Words by Letter Signature
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challenge
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python
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intermediate
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programming
1
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2 min read
Day 49: Python Playlist Shuffler – True Unbiased Random Shuffle with Fisher-Yates Algorithm
Shahrouz Nikseresht
Shahrouz Nikseresht
Shahrouz Nikseresht
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Nov 29 '25
Day 49: Python Playlist Shuffler – True Unbiased Random Shuffle with Fisher-Yates Algorithm
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python
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intermediate
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programming
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3 min read
Day 47: Python Rotate Array to Right by K Steps – Master the Elegant Slicing Trick in One Line
Shahrouz Nikseresht
Shahrouz Nikseresht
Shahrouz Nikseresht
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Nov 27 '25
Day 47: Python Rotate Array to Right by K Steps – Master the Elegant Slicing Trick in One Line
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python
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intermediate
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programming
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3 min read
Day 48: Python Merge Two Sorted Lists - Master the Two-Pointer Technique in Pure O(n)
Shahrouz Nikseresht
Shahrouz Nikseresht
Shahrouz Nikseresht
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Nov 28 '25
Day 48: Python Merge Two Sorted Lists - Master the Two-Pointer Technique in Pure O(n)
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python
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intermediate
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programming
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3 min read
Day 46: Python Moving Average Calculator, Optimized Sliding Window for Simple Moving Average Computation
Shahrouz Nikseresht
Shahrouz Nikseresht
Shahrouz Nikseresht
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Nov 26 '25
Day 46: Python Moving Average Calculator, Optimized Sliding Window for Simple Moving Average Computation
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python
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intermediate
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programming
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2 min read
Day 45: Python Majority Element Finder, Boyer-Moore Voting Algorithm for Efficient Detection in Arrays
Shahrouz Nikseresht
Shahrouz Nikseresht
Shahrouz Nikseresht
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Nov 25 '25
Day 45: Python Majority Element Finder, Boyer-Moore Voting Algorithm for Efficient Detection in Arrays
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challenge
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python
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intermediate
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programming
1
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2 min read
Day 44: Python Longest Substring Finder, Sliding Window Technique for Non-Repeating Characters Length
Shahrouz Nikseresht
Shahrouz Nikseresht
Shahrouz Nikseresht
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Nov 24 '25
Day 44: Python Longest Substring Finder, Sliding Window Technique for Non-Repeating Characters Length
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challenge
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python
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intermediate
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programming
5
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2 min read
Day 42: Python Roman Numeral Converter, Bidirectional Conversion Between Roman and Integers with Mapping and Loops
Shahrouz Nikseresht
Shahrouz Nikseresht
Shahrouz Nikseresht
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Nov 22 '25
Day 42: Python Roman Numeral Converter, Bidirectional Conversion Between Roman and Integers with Mapping and Loops
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python
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intermediate
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programming
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3 min read
Day 43: Python Valid Parentheses Checker, Stack-Based Bracket Validation with Mapping and Loop Scanning
Shahrouz Nikseresht
Shahrouz Nikseresht
Shahrouz Nikseresht
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Nov 23 '25
Day 43: Python Valid Parentheses Checker, Stack-Based Bracket Validation with Mapping and Loop Scanning
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challenge
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python
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intermediate
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programming
1
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2 min read
Day 40: Python Armstrong Numbers Finder, Detect Narcissistic Numbers in a Range with Digit Power Sum
Shahrouz Nikseresht
Shahrouz Nikseresht
Shahrouz Nikseresht
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Nov 20 '25
Day 40: Python Armstrong Numbers Finder, Detect Narcissistic Numbers in a Range with Digit Power Sum
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challenge
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python
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intermediate
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programming
1
 reaction
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2
 comments
3 min read
Day 41: Python Happy Number Checker, Detect Numbers Leading to 1 Through Digit Square Sums with Cycle Detection
Shahrouz Nikseresht
Shahrouz Nikseresht
Shahrouz Nikseresht
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Nov 21 '25
Day 41: Python Happy Number Checker, Detect Numbers Leading to 1 Through Digit Square Sums with Cycle Detection
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challenge
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python
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intermediate
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programming
1
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3 min read
Responsive Design in CSS: Mastering Media Queries and Fluid Layouts
Sharique Siddiqui
Sharique Siddiqui
Sharique Siddiqui
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Nov 13 '25
Responsive Design in CSS: Mastering Media Queries and Fluid Layouts
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css
#
intermediate
#
webdev
#
frontend
2
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3 min read
CSS Transitions and Animations Basics: Bringing Your UI to Life
Sharique Siddiqui
Sharique Siddiqui
Sharique Siddiqui
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Nov 11 '25
CSS Transitions and Animations Basics: Bringing Your UI to Life
#
css
#
intermediate
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webdev
#
frontend
7
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1
 comment
3 min read
CSS Pseudo-classes and Pseudo-elements: Unlocking Hidden Styling Power
Sharique Siddiqui
Sharique Siddiqui
Sharique Siddiqui
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Nov 6 '25
CSS Pseudo-classes and Pseudo-elements: Unlocking Hidden Styling Power
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css
#
intermediate
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webdev
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frontend
4
 reactions
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1
 comment
3 min read
CSS Forms and Inputs Styling: From Plain to Polished
Sharique Siddiqui
Sharique Siddiqui
Sharique Siddiqui
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Nov 4 '25
CSS Forms and Inputs Styling: From Plain to Polished
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css
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intermediate
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webdev
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frontend
3
 reactions
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1
 comment
3 min read
CSS Lists and Tables Styling: Enhancing Readability and Visual Appeal
Sharique Siddiqui
Sharique Siddiqui
Sharique Siddiqui
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Oct 30 '25
CSS Lists and Tables Styling: Enhancing Readability and Visual Appeal
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css
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intermediate
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webdev
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frontend
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3 min read
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