Technical aspects of Java Development Engineer (Hash consistency algorithm)

1, Usage scenario: 1. Use of Redis cluster: To ensure Redis High availability, improved Redis Read and write performance, the simplest way---Master slave copy, form Master-Master(Main mode)perhaps Master-Slave(Master-slave mode)Form, or build stand Redis Cluster is used for data read-write sepUTF-8...

Posted by Wildhalf on Mon, 20 Sep 2021 10:55:06 +0530

Encapsulation, inheritance and polymorphism of three features in Java

catalogue 1, Encapsulation 1. Introduction of package 2. Concept of packaging: 3. Access qualifier (1) How to encapsulate in Java (2) Code validation access (3) About how to use modifier encapsulation 3. Use of packaged packages (1) Package introduction (2) Package concept (3) Use of self-contaUTF-8...

Posted by me1000 on Mon, 20 Sep 2021 11:22:53 +0530

Dual quaternion coordinate system definition

Inertial coordinate system O i x i y i z i O_{i}x_{i}y_{i}z_{i} Oi # xi # yi # zi, the origin is the geocenter, referred to as I system for short Tracking spacecraft body coordinate system O b x b y b z b O_{b}x_{b}y_{b}z_{b} Ob ^ xb ^ yb ^ zb, the origin is the centroid of the tracking spacUTF-8...

Posted by shan111 on Mon, 20 Sep 2021 13:29:26 +0530

✨ Using Python to solve linear programming, high-end operation blinds your eyes (technical eggs at the end of the article)

Hello, children's shoes. I'm Xiao Ming. A few days ago, I shared an SMT solver z3. See the link address: https://xxmdmst.blog.csdn.net/article/details/120279521 Although the SMT solver is very powerful and can solve logic problems, Sudoku, equations and even reverse problems, there is a disadvUTF-8...

Posted by sheila on Mon, 20 Sep 2021 14:46:32 +0530

Sequential automata

Sequential automata Daily brush leetcode learning algorithm Topic source leetcode 524. Match the longest word in the dictionary by deleting letters Give you a string s and a string array dictionary to find and return The longest string in the dictionary, which can be obtained by deleting some cUTF-8...

Posted by VanHagar on Mon, 20 Sep 2021 16:14:27 +0530

Data structure and algorithm series note 9: dynamic programming

dynamic programming 1. Concept Dynamic programming: dynamic programming is nothing more than using historical records to avoid repeated calculations. We need some variables to save these history records, usually with one-dimensional array or two-dimensional array. Three steps of dynamic planninUTF-8...

Posted by edawson003 on Mon, 20 Sep 2021 20:00:44 +0530

The first ICPC network trial on September 19, 2020

A meaning of the title yes k k k machines and n n n instructions. For an instruction (No i i i) For example, if all machines are completing other instructions when it arrives, this instruction will be invalidated; Otherwise, proceed from step i i%k i machines start scanning from front to back, UTF-8...

Posted by nexgen_x on Mon, 20 Sep 2021 21:58:00 +0530

Business (Water) (and Search + Backpack)

Be in business ProblemDiscussionsView submissions from othersMy Submission Title: NC14348 Time limit: C/C++ 1 second, 2 seconds for other languages Space limitations: C/C++ 32768K, other languages 65536K 64bit IO Format: %lld Title Description Xiao d is a local tyrant in real estate. Everyone hUTF-8...

Posted by linux1880 on Tue, 21 Sep 2021 01:17:09 +0530

2014 longest subsequence repeated K times

Supplementary questions for game 259 2014. Longest subsequence repeated K times Give you a string s of length n and an integer k. Please find the longest subsequence repeated k times in string s. A subsequence is a string derived from other strings with some (or no) characters deleted. If seq *UTF-8...

Posted by jdorma0 on Tue, 21 Sep 2021 01:50:37 +0530

LeetCode_ Stack_ 1124. Longest well performing interval [stack, string processing] [medium]

catalogue 1, Title Description English description Chinese description Examples and descriptions 2, Problem solving ideas 1. Prefix and array 2. Optimization process 3, AC code C++ Java 4, Problem solving process First Bo Second stroke 1, Title Description English description We are given hoursUTF-8...

Posted by biffjo on Tue, 21 Sep 2021 02:26:34 +0530