May 22

Here’s the LeetCode myth.

You don’t need to do 1000+ questions to become a software engineer. Your interviewer didn’t do 1000+ questions before interviewing you. I didn’t do 1000+ questions to become a software engineer. Your interviewer did have criteria to look for. 1. Can you clearly communicate your thought process? 2. Did you clarify…

Leetcode

2 min read

Published in Geek Culture

·May 17

Leetcode Hard: Longest Valid Parentheses, O(N) Time, O(1) Space Solution

Given a string containing just the characters '(' and ')', find the length of the longest valid (well-formed) parentheses substring.

Leetcode

2 min read

Leetcode Hard: Longest Valid Parentheses, O(N) Time, O(1) Space Solution

May 14

234. Palindrome Linked List

Given the head of a singly linked list, return true if it is a palindrome. Example 1:

Leetcode

2 min read

234. Palindrome Linked List

Given the head of a singly linked list, return true if it is a palindrome.

Example 1:

May 10

269. Alien Dictionary

There is a new alien language that uses the English alphabet. However, the order among the letters is unknown to you. You are given a list of strings words from the alien language's dictionary, where the strings in words are sorted lexicographically by the rules of this new language. Return…

Leetcode

2 min read

May 9

How to merge the master branch into the feature branch?

git checkout development git pull git checkout feature-branch git merge development

Git

1 min read

How to merge the master branch into the feature branch?

git checkout development
git pull
git checkout feature-branch
git merge development

Mar 14

Leetcode 5. Longest Palindromic Substring

Given a string s, return the longest palindromic substring in s. Example 1: Input: s = "babad" Output: "bab" Explanation: "aba" is also a valid answer. Example 2: Input: s = "cbbd" Output: "bb" Constraints: 1 <= s.length <= 1000 s consist of only digits and English letters. Accepted 1,732,679 …

Leetcode

1 min read

Leetcode 5. Longest Palindromic Substring

Given a string s, return the longest palindromic substring in s.

Example 1:

Input: s = "babad"
Output: "bab"
Explanation: "aba" is also a valid answer.

Example 2:

Input: s = "cbbd"
Output: "bb"

Constraints:

1 <= s.length <= 1000
s consist of only digits and English letters.

Accepted

1,732,679

…

Feb 4

Note Resolving Merge Conflicts on Git

When the master branch is ahead of the feature branch, we need to resolve some conflicts when we merge the feature branch to the master…

2 min read

Note Resolving Merge Conflicts on Git

Jan 20

Steps on Squashing Commits and Git Rebase

Notes for myself based on my recent experience, hope it can provide some help to others Step1. push up your last commit before you run the rebase: git add . git commit -m "feature/CORE Notes For Commit"// this is the 6th commit git push --set-upstream origin feature/CORE-418-update-admin-page-style Now the commit…

Git

3 min read

Steps on Squashing Commits and Git Rebase

Published in Geek Culture

·Jan 20

Git stuff I learned in the past 3 months and saved me from a lot of Git troubles

Wanna come learn some tips on Git? Instead of “git add .” + “git commit -m ‘message’”, I can do git commit -am “message here” (This won’t work in new files that are newly created, since you have to make sure they are tracked remotely first by doing git add…

Git

2 min read

Git stuff I learned in the past 3 months and saved me from a lot of Git troubles

Nov 8, 2021

Convert Binary Search Tree to Sorted Doubly Linked List

Convert a Binary Search Tree to a sorted Circular Doubly-Linked List in place. You can think of the left and right pointers as synonymous to the predecessor and successor pointers in a doubly-linked list. For a circular doubly linked list, the predecessor of the first element is the last element…

Leetcode Medium

2 min read