http://www.obdexperts.co.uk/stack.html OBD II Software OBD Experts can provide you with ready to use off-the-shelf OBD II software implementing the following automotive protocols: ISO 9141-2 KWP 2000-4 SAE J1850 PWM (Ford SCP) SAE J1850 VPW (GM Class…

洛谷 P2616 [USACO10JAN]购买饲料II Buying Feed, II https://www.luogu.org/problemnew/show/P2616 题目描述 Farmer John needs to travel to town to pick up K (1 <= K <= 100) pounds of feed. Driving D miles with K pounds of feed in his truck costs D*K cents. The cou…

Leetcode之二分法专题-275. H指数 II(H-Index II) 给定一位研究者论文被引用次数的数组(被引用次数是非负整数),数组已经按照升序排列.编写一个方法,计算出研究者的 h 指数. h 指数的定义: “h 代表“高引用次数”(high citations),一名科研人员的 h 指数是指他(她)的 (N 篇论文中)至多有 h 篇论文分别被引用了至少 h 次.(其余的 N - h 篇论文每篇被引用次数不多于 h 次.)" 示例: 输入: citations = [0,1,3,5,…

Leetcode之回溯法专题-90. 子集 II(Subsets II) 给定一个可能包含重复元素的整数数组 nums,返回该数组所有可能的子集(幂集). 说明:解集不能包含重复的子集. 示例: 输入: [1,2,2] 输出: [ [2], [1], [1,2,2], [2,2], [1,2], [] ] 分析:是78题的升级版,新增了一些限制条件,nums数组是会重复的,求子集. class Solution { List<List<Integer>> ans = new Arr…

Leetcode之回溯法专题-52. N皇后 II(N-Queens II) 与51题的代码80%一样,只不过52要求解的数量,51求具体解,点击进入51 class Solution { int ans = 0; public int totalNQueens(int n) { char mp[][] = new char[n][n]; for (int i = 0; i < n; i++) { for (int j = 0; j < n; j++) { mp[i][j] = '.'; }…

Leetcode之回溯法专题-47. 全排列 II(Permutations II) 给定一个可包含重复数字的序列,返回所有不重复的全排列. 示例: 输入: [1,1,2] 输出: [ [1,1,2], [1,2,1], [2,1,1] ] 分析:跟46题一样,只不过加了一些限制(包含了重复数字). AC代码(时间复杂度比较高,日后二刷的时候改进): class Solution { List<List<Integer>> ans = new ArrayList<>()…

P2616 [USACO10JAN]购买饲料II Buying Feed, II 题目描述 Farmer John needs to travel to town to pick up K (1 <= K <= 100) pounds of feed. Driving D miles with K pounds of feed in his truck costs D*K cents. The county feed lot has N (1 <= N <= 100) stores…

Security arrangements for a universal serial bus (USB) protocol stack of a USB host system are provided. The security arrangements prevent an unauthorized or suspicious USB device from communicating with the host system, detect suspicious activity or…

应用程序连接测试数据库时报ORA-12516:TNS:listener could not find available handler with matching protocol stack 检查监听日志文件,发现大量的TNS-12516错误 cd /u01/app/oracle/product/10.2.0/db_1/network/log more listener.log TNS-12516: TNS:listener could not find available handler…

Title: Intermittent TNS-12516 or TNS-12519 Errors Connecting Via Net Symptom(s) ~~~~~~~~~~ Client connections may intermittently fail with either of the following errors: TNS-12516 TNS:listener could not find instance with matching protocol stack TNS…