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whiteboard & coding interview practice

whiteboard & coding interview practice

白板 & 面试 & 编码练习

Algorithm

https://www.freecodecamp.org/learn/coding-interview-prep/algorithms/

Data Structure

https://www.freecodecamp.org/learn/coding-interview-prep/data-structures/

Typed Array & Array Buffer

https://www.freecodecamp.org/learn/coding-interview-prep/data-structures/typed-arrays


https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray


/* 

Type	Each element size in bytes
Int8Array	1
Uint8Array	1
Uint8ClampedArray	1
Int16Array	2
Uint16Array	2
Int32Array	4
Uint32Array	4
Float32Array	4
Float64Array	8

 */

// 1 字节(1 bytes) === 8位 

// 8位 占用 1 字节(1 bytes)
// 16位 占用 2 字节(2 bytes)
// 32位 占用 4 字节(4 bytes)
// 64位 占用 8 字节(8 bytes)

// create a TypedArray with a size in bytes

const typedArray1 = new Int8Array(8);
typedArray1[0] = 32;

const typedArray2 = new Int8Array(typedArray1);
typedArray2[1] = 42;

console.log(typedArray1);
// [32, 0, 0, 0, 0, 0, 0, 0]

console.log(typedArray2);
// [32, 42, 0, 0, 0, 0, 0, 0]


https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer

const buffer = new ArrayBuffer(8);
// ⚠️ buffer 不可以直接读取, 必须创建对应的 view
const view = new Int32Array(buffer);

refs

Why I studied full-time for 8 months for a Google interview

https://www.freecodecamp.org/news/why-i-studied-full-time-for-8-months-for-a-google-interview-cc662ce9bb13/

Google



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posted @ 2020-08-28 10:57  xgqfrms  阅读(193)  评论(5编辑  收藏  举报