note
a space to declutter my brain
by
Jii
…
diary
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연결리스트란?
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Linked List is a linear data structure composed of a group of nodes
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連結リストとは
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Singly Linked List is a one-way traffic
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Doubly Linked List is a two-way traffic
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There is an endless (circular) linked list
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Take good care of your head, as it can cause a memory leak
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연결리스트는 배열보다 메모리 사용량이 높다
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A linked list consumes more memory than an array
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There are two types of arrays: Static and Dynamic
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Why insert/delete operations are slow in arrays
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배열의 삽입과 삭제에는 O(n)의 시간이 필요하다
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Index operator allows constant time access to the data
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The variable name is a pointer
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Pointer arithmetic을 가능하게 하려면 배열의 자료형이 고정되어 있어야 한다
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You can perform arithmetic operations on a pointer
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Ruby can store different types in one array because everything is an Object
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void-pointer plays the role of Object
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Ruby's string is mutable
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Stack and Queue
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Implementation detail matters
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Check for existing GPG keys
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Generate GPG key
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Update existing GPG key's name and email
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Sign commit messages
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Bypass passphrase when cloning git repositories
{m} 240430161508
Batch clone git repositories
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rewrite commit authors using git-filter-repo
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Rewrite author info in commit messages with git-filter-repo
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Batch sign previous commit messages
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Re-define Git sub-commands
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Creating a command alias