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Ruairí O'Brien

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Location Cork, Ireland Joined Joined on  Personal website https://ruarfff.com/ github website twitter website
Check the Mood of a Slack Channel using Machine Learning

Check the Mood of a Slack Channel using Machine Learning

Reactions 5 Comments
12 min read
Day 31 - Next Permutation

Day 31 - Next Permutation

Reactions 5 Comments
1 min read
Day 30 - Minimize Deviation in Array

Day 30 - Minimize Deviation in Array

Reactions 1 Comments
2 min read
Day 29 - Vertical Order Traversal of a Binary Tree

Day 29 - Vertical Order Traversal of a Binary Tree

Reactions 5 Comments
2 min read
Day 27 - Concatenation of Consecutive Binary Numbers

Day 27 - Concatenation of Consecutive Binary Numbers

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1 min read
Day 28 - Smallest String With A Given Numeric Value

Day 28 - Smallest String With A Given Numeric Value

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2 min read
Day 25 - Check If All 1's Are at Least Length K Places Away

Day 25 - Check If All 1's Are at Least Length K Places Away

Reactions 1 Comments
2 min read
Day 24 - Merge k Sorted Lists

Day 24 - Merge k Sorted Lists

Comments
3 min read
Day 23 - Sort the Matrix Diagonally

Day 23 - Sort the Matrix Diagonally

Reactions 1 Comments
2 min read
Day 22 - Determine if Two Strings Are Close

Day 22 - Determine if Two Strings Are Close

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2 min read
Day 21 - Find the Most Competitive Subsequence

Day 21 - Find the Most Competitive Subsequence

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2 min read
Day 20 - Valid Parentheses

Day 20 - Valid Parentheses

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2 min read
Day 19 - Longest Palindromic Substring

Day 19 - Longest Palindromic Substring

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3 min read
Week 3 Bonus - Nested List Weight Sum

Week 3 Bonus - Nested List Weight Sum

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2 min read
Day 18 - Max Number of K-Sum Pairs

Day 18 - Max Number of K-Sum Pairs

Reactions 4 Comments
2 min read
Day 17 - Count Sorted Vowel Strings

Day 17 - Count Sorted Vowel Strings

Comments
2 min read
Day 16 - Kth Largest Element in an Array

Day 16 - Kth Largest Element in an Array

Reactions 1 Comments
1 min read
Using Devcontainer With GitHub Codespaces

Using Devcontainer With GitHub Codespaces

Reactions 6 Comments
3 min read
Day 15 - Get Maximum in Generated Array

Day 15 - Get Maximum in Generated Array

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2 min read
Week 2 Bonus - Find Root of N-Ary Tree

Week 2 Bonus - Find Root of N-Ary Tree

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3 min read
Day 14 - Minimum Operations to Reduce X to Zero

Day 14 - Minimum Operations to Reduce X to Zero

Reactions 1 Comments
2 min read
Day 13 - Boats to Save People

Day 13 - Boats to Save People

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2 min read
Day 12 - Add Two Numbers

Day 12 - Add Two Numbers

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2 min read
Day 11 - Merge Sorted Array

Day 11 - Merge Sorted Array

Reactions 1 Comments
2 min read
Managing local app secrets and sharing secrets with your team

Managing local app secrets and sharing secrets with your team

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11 min read
Day 10 - Create Sorted Array through Instructions

Day 10 - Create Sorted Array through Instructions

Reactions 5 Comments
4 min read
Day 9 - Word Ladder

Day 9 - Word Ladder

Reactions 2 Comments
5 min read
Day 8 - Check If Two String Arrays are Equivalent

Day 8 - Check If Two String Arrays are Equivalent

Reactions 1 Comments 2
2 min read
Day 7 - Longest Substring Without Repeating Characters

Day 7 - Longest Substring Without Repeating Characters

Reactions 4 Comments
2 min read
Day 6 - Kth Missing Positive Number

Day 6 - Kth Missing Positive Number

Reactions 1 Comments
2 min read
Day 5 - Remove Duplicates from Sorted List II

Day 5 - Remove Duplicates from Sorted List II

Reactions 4 Comments
3 min read
Day 4 - Merge Two Sorted Lists

Day 4 - Merge Two Sorted Lists

Reactions 1 Comments
2 min read
Day 3 - Beautiful Arrangement

Day 3 - Beautiful Arrangement

Reactions 3 Comments
2 min read
Day 2 Find a Corresponding Node of a Binary Tree in a Clone of That Tree

Day 2 Find a Corresponding Node of a Binary Tree in a Clone of That Tree

Reactions 1 Comments
2 min read
Week 1 Bonus - Palindrome Permutation

Week 1 Bonus - Palindrome Permutation

Reactions 1 Comments
2 min read
Day1 - Check Array Formation Through Concatenation

Day1 - Check Array Formation Through Concatenation

Reactions 7 Comments
2 min read
Tech stuff found in the second half of 2020

Tech stuff found in the second half of 2020

Reactions 4 Comments 1
7 min read
Does Test Driven Development Work?

Does Test Driven Development Work?

Reactions 115 Comments 25
14 min read
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