note
a space to declutter my brain
by
Jii
…
diary
(0) 7/10/2025
Linked List is a linear data structure composed of a group of nodes
(0a) 7/9/2025
連結リストとは
(0b) 7/10/2025
연결리스트란?
(1) 6/21/2025
Singly Linked List is a one-way traffic
(2) 6/22/2025
Doubly Linked List is a two-way traffic
(3) 7/24/2025
There is an endless (circular) linked list
(3a) 11/29/2025
連結リストを実装する時get_Nth_node_from関数を使おう
(4) 5/17/2025
Take good care of your head, as it can cause a memory leak
(5) 5/16/2025
A linked list consumes more memory than an array
(5a) 5/16/2025
연결리스트는 배열보다 메모리 사용량이 높다
(6) 6/11/2024
There are two types of arrays: Static and Dynamic
(6a) 5/18/2024
Ruby can store different types in one array because everything is an Object
(6a1) 2/1/2025
void-pointer plays the role of Object
(6b) 7/11/2025
Ruby's string is mutable
(7) 5/12/2025
Why insert/delete operations are slow in arrays
(7a) 5/12/2025
배열의 삽입과 삭제에는 O(n)의 시간이 필요하다
(8) 7/10/2025
Index operator allows constant time access to the data
(8a) 5/18/2025
Implementation detail matters
(9) 7/11/2025
The variable name is a pointer
(9a) 5/18/2025
You can perform arithmetic operations on a pointer
(9a1) 5/18/2025
Pointer arithmetic을 가능하게 하려면 배열의 자료형이 고정되어 있어야 한다
(a) 8/16/2025
Stack and Queue
(b) 4/30/2024
Check for existing GPG keys
(b1) 5/15/2024
Generate GPG key
(b2) 5/30/2024
Update existing GPG key's name and email
(c) 5/15/2024
Sign commit messages
(c1) 11/27/2025
Troubleshooting GPG sign failure
(d) 5/11/2024
Bypass passphrase when cloning git repositories
(d1) 4/30/2024
Batch clone git repositories
(d2) 4/30/2024
Batch sign previous commit messages
(e) 4/30/2024
rewrite commit authors using git-filter-repo
(e1) 4/30/2024
Rewrite author info in commit messages with git-filter-repo
(f) 5/1/2024
Re-define Git sub-commands
(f1) 5/9/2024
Creating a shell command alias
(h) 11/30/2025
CCU is a network gateway
(h1) 11/30/2025
DCU acts as an internal data hub
(i) 11/30/2025
Autocompletion can hurt your learning if you let it think for you