Ripser.py Learning: Lower Star Image Filtrations
1 introduction This section presents low-star and sub-set filter shapes on image data. This filter shape allows us to use the local minimum or local maximum as the initial time and the saddle point as the death time in the 0-dimensional continuation graph. The following are some necessary librUTF-8...
Posted by domainshuffle on Mon, 27 Mar 2023 15:32:48 +0530
[JAVA Web] 5 interview questions
[JAVA Web] 5 interview questions Add a note: My original intention is Java Each technology stack organizes 100 interview questions, and the current foundation is Nezha's "208 Interview Questions" In the future, I will add my valuable questions and real interview questions, and I will also re-moUTF-8...
Posted by phpcip28 on Mon, 27 Mar 2023 03:12:57 +0530
The difference between new and make keywords in Go language
Original link: The difference between new and make keywords in Go languageThis article introduces a very common interview question, how common is it? Maybe the opening remarks of many interviews start from this. That's the difference between the two built-in functions new and make.In fact, the UTF-8...
Posted by nsr500rossi on Sun, 26 Mar 2023 18:39:02 +0530
Shallow and deep copies of objects!
Shallow and deep copies of objectsOriginal link: https://note.noxussj.top/?source=sifoThe following mainly introduces the differences between copy, shallow copy and deep copy under normal circumstances.Normal copy: copy an object, their memory address is the sameShallow copy: Copy the first-levUTF-8...
Posted by webguync on Sun, 26 Mar 2023 15:52:02 +0530
database programming
PL-SQL programming 1. Features of PL/SQL PL(Procedure Language)/SQL) is a procedural programming language introduced by Oracle in the database. PL/SQL is an extension to SQL: it has features designed for program development; Variables can be used in PL/SQL for process control to realize more coUTF-8...
Posted by jobs on Sun, 26 Mar 2023 03:31:08 +0530
C++11 Classes and Objects (Polymorphism)
1. Introduction to Polymorphism ① Polymorphism is one of the three major object-oriented features of C++. ② Polymorphism is divided into two categories: Static polymorphism: Function overloading (the function name has multiple forms) and operator overloading (the symbol has multiple forms) are UTF-8...
Posted by rbeschizza on Sat, 25 Mar 2023 04:28:53 +0530
Design and implementation of tourism vacation system based on Java+SpringBoot+Vue separation of front and back ends (with video explanation)
Blogger introduction: ✌ 3W+ fans on the whole network, a full-stack development engineer, has been engaged in software development for many years, and has stayed in a big factory. Hold software intermediate, six and other certificates. It can provide micro-service project construction and gradUTF-8...
Posted by marker5a on Sat, 25 Mar 2023 03:52:42 +0530
C# makes a simple supermarket counter checkout system
Introduction This program is used in the design of Windows programming courses, and the knowledge involved mainly includes: C# form application development, database connection and conventional addition, deletion, modification and query, the use of SqlConnection and SqlDataAdapter, the use of UTF-8...
Posted by Raphael diSanto on Sat, 25 Mar 2023 00:31:54 +0530
A stress test script for implementing MQTT protocol services based on Locust
Recently, during the interval of busy business, I did some performance tests interspersed. 1. Background A brief introduction to the business background is that according to the national standard, vehicles need to upload some specified data to ZF’s specified platform, and at the same time, vehiUTF-8...
Posted by pukstpr12 on Fri, 24 Mar 2023 21:22:00 +0530
Nine, MySQL 09 data access and DAO mode
9. Data Access and DAO Patterns 9.1 Properties configuration file 9.1.1 Introduction to Properties configuration file There is a more important Properties class in Java, which can read Java configuration filesCommonly used configuration information can be written in the configuration file, whicUTF-8...
Posted by strudo on Fri, 24 Mar 2023 17:22:27 +0530