码农学院

今天在处理程式中下指令的时候 发现开启 service 的指令 adb shell start-service xxxx 有某些版本的手机无法执行 开启 cmd 下 adb shell am 才发现其中的差异 在 8.0 以

题目: A phrase is a palindrome if, after converting all uppercase letters into lowercase letters and removing all non-alphanumeric characters, it reads the same forward and backward. Alphanumeric cha

题目: Given a non-empty array of integers nums, every element appears twice except for one. Find that single one. You must implement a solution with a linear runtime complexity and use only constant

题目: Given head, the head of a linked list, determine if the linked list has a cycle in it. There is a cycle in a linked list if there is some node in the list that can be reached again by continuou

我是python的新手, 最近在写ppt 转 pptx, 发生了一个奇怪的问题, 我的问题其他人不一定会发生, 但我发生了有可能其他人也会发生, 因此发个文做个记录, 或许

题目: Given the root of a binary tree, return the preorder traversal of its nodes' values. 给定一个binary tree,依前序遍历(Preorder Traversal)的顺序回传里面的值(用list) 这题完全就

题目: Given the root of a binary tree, return the postorder traversal of its nodes' values. 给定一个binary tree,依后序遍历(Postorder Traversal)的顺序回传里面的值(用list) 又一题9

题目: Design a stack that supports push, pop, top, and retrieving the minimum element in constant time. Implement the MinStack class: MinStack() initializes the stack object. void push(int val) pushe

在专案开始时遇到一个问题，就是关于Modal该如何关闭，如何开启? 当然可以用data-bs-target,data-bs-dismiss，但是会有相对的副作用，@keyup.enter，modal遮罩转址后

FIDO2是FIDO联盟最新规範集的总称。FIDO2使用户能够利用常见设备在桌面和移动环境中快速、安全地在线上服务进行身份验证。FIDO2是业界应对全球密码挑战的

先附上题目连结 问题说明:给定的一棵树，透过一个List(Int型态)来储存此树中序的遍历 树的遍历(Traversal)可以分成: 1. 前序(Preorder) 2. 中序(Inorder) 3. 后序(P