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嵌入式Linux驱动开发（一）——字符设备驱动框架入门提到了关于Linux的设备驱动，那么在Linux中I/O设备可以分为两类：块设备和字符设备。这两种设备并没有什么硬件上的区别，主要是基于不同的功能进行了分类，而他们之间的区别...
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LeetCode 806. Number of Lines To Write String 写字符串需要的行数
We are to write the letters of a given string S, from left to right into lines. Each li...
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LeetCode 807. Max Increase to Keep City Skyline 保持城市天际线
In a 2 dimensional array grid, each value grid[i][j] represents the height of a buildin...
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LeetCode 3. Longest Substring Without Repeating Characters
Given a string, find the length of the longest substring without repeating characters. ...
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LeetCode 2. Add Two Numbers
You are given two non-empty linked lists representing two non-negative integers. The di...
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LeetCode 1. Two Sum
Given an array of integers, return indices of the two numbers such that they add up to ...
