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In a tree, nodes have a single parent node and may have many children nodes. They never have more than one parent nor point to any siblings. The most 阅读全文
posted @ 2018-12-18 04:58
Zhentiw
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Depth first search is a graph search algorithm that starts at one node and uses recursion to travel as deeply down a path of neighboring nodes as poss 阅读全文
posted @ 2018-12-17 02:19
Zhentiw
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Recursion is when a function calls itself. This self calling function handles at least two cases, the recursive case and the base case. People seem to 阅读全文
posted @ 2018-12-17 02:02
Zhentiw
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n this lesson, we'll go over how bash functions work. Bash functions work like mini bash scripts--you can pass parameters and invoke them just like a 阅读全文
posted @ 2018-12-17 01:57
Zhentiw
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The await operator is used to wait for a promise to settle. It pauses the execution of an async function until the promise is either fulfilled or reje 阅读全文
posted @ 2018-12-17 01:43
Zhentiw
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Breadth first search is a graph search algorithm that starts at one node and visits neighboring nodes as widely as possible before going further down 阅读全文
posted @ 2018-12-15 17:33
Zhentiw
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A graph is a data structure comprised of a set of nodes, also known as vertices, and a set of edges. Each node in a graph may point to any other node 阅读全文
posted @ 2018-12-15 03:06
Zhentiw
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A linked list is a collection of items where each item points to the next one in the list. Because of this structure, linked lists are very slow when 阅读全文
posted @ 2018-12-14 00:07
Zhentiw
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A stack is a collection of items that obeys the principle of "last in, first out". Like a stack of plates, we can only access the topmost plate at any 阅读全文
posted @ 2018-12-13 06:06
Zhentiw
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In this lesson, you will learn how to create a queue in JavaScript. A queue is a first-in, first-out data structure (FIFO). We can only remove items f 阅读全文
posted @ 2018-12-12 06:21
Zhentiw
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