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输入： git push -u origin master 产生错误： ! [rejected] master -> master (non-fast-forward) error: failed to push some refs to 'github.com:Make/Linux_C.git' 阅读全文
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选中一行：光标移到一行开头，shift+command+右键 选中一段：光标移到一段开头，shift+command+下键 快速跳到文档开头和结尾：command+上/下键 查找目录下的隐藏文件：shift+command+. command+o:快速打开访达 阅读全文
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起因：加载cifar10数据集，运行结果如下 cifar10 = tf.keras.datasets.cifar10 (x_train, y_train), (x_test, y_test) = cifar10.load_data() 点击上述网址，下载好cifar-10-python.tar.gz 阅读全文
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There is a function signFunc(x) that returns: 1 if x is positive. -1 if x is negative. 0 if x is equal to 0. You are given an integer array nums. Let 阅读全文
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You are given an array points where points[i] = [xi, yi] is the coordinates of the ith point on a 2D plane. Multiple points can have the same coordina 阅读全文
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Given an array nums. We define a running sum of an array as runningSum[i] = sum(nums[0]…nums[i]). Return the running sum of nums. Example 1: Input: nu 阅读全文
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C++提供了两种字符串的表示形式 C风格字符串 C++引入的string类型 1、延续C风格 字符串实际上是使用null字符\0终止的一维字符数组，因此字符数组大小比字符串的字符数多一个 声明和初始化创建一个字符串 char site[7] = {'R', 'U', 'N', 'O', 'O', ' 阅读全文
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源自：廖雪峰Git教程：https://www.liaoxuefeng.com/wiki/896043488029600 Git和GitHub是什么？ Git是版本控制工具，GitHub是储存代码的网站 Git官方文档:https://git-scm.com/ 创建版本库/仓库，repository 阅读全文
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Given an m x n matrix, return all elements of the matrix in spiral order. Example 1: Input: matrix = [[1,2,3],[4,5,6],[7,8,9]] Output: [1,2,3,6,9,8,7, 阅读全文
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Given the root of a binary tree, return its maximum depth. A binary tree's maximum depth is the number of nodes along the longest path from the root n 阅读全文