Programmer Group

String Commutativity Finding the minimum cyclic node with kmp Given n string s 1 , s 2 . . . ...

If you have ever had to analyze problems in production, I believe you know how important it is to have a good log record. Good logging requires three things: Log messages need to provide the information needed to understand what the application is doing internally.Writing log messages must be as efficient as possible so as not to affect the ...

Part I: introduction to HTML framework 1. What & how to learn & what tools to use (1) What is HTML?(2) How to learn HTML?(3) Tools used: 2. Basic structure of HTML3. Specification of HTML file4. Basic template of HTML Part II: labels 1. Use style and attribute of label (1) Usage style of label:(2) Label properties:(3) Bl ...

preface Over the past few years, I have been struggling in the it industry. Along the way, many have summarized some high-frequency interviews in the python industry. I see most of the new blood in the industry, and I still have all kinds of difficult questions for the answers to all kinds of interview questions or collection Therefore, I dev ...

intro Scenario 1: If you find an old meteor project with version 1.8.1, it was created before May 2019 In October 2021, you want to create a 1.8.1 meteor project. You can create the project by specifying the version number, as follows: meteor create vue-meteor-app --release 1.8.1 then: But when you create a project and want to run it by ty ...

Tensorflow 2.0 - FaceNet network principle and code analysis (I) - model principle and backbone network FaceNet is actually a general face recognition system described in the preface: deep convolution neural network (CNN) is used to map images to European space. Spatial distance is directly related to image similarity: different images of the ...

catalogue preface Part I: Transformation operator Value type map() map mapPartitions() executes Map in partition units mapPartitionsWithIndex() with partition number flatMap() flatten glom() partition conversion array groupBy() group Extension: complex wordcount Filter sample() distinct() de duplication coalesce() repartition rep ...

1, PageHelper paging plug-in PageHelper is an excellent open-source mybatis paging plug-in in China. It supports basic mainstream and commonly used databases, such as mysql, oracle, mariaDB, DB2, SQLite, Hsqldb, etc. There are two ways to reference the PageHelper paging plug-in: Introduce Jar package;Use Maven (recommended); 1.1 ...

In my last article, I learned that prototypes can be used to share methods. Inheritance literally means that the attribute methods in the parent class are passed to the subclass, and the subclass does not need to write the same logical code repeatedly, which can greatly improve the readability and simplicity of the code. It is different from t ...

                  The back end is as written in the previous two articles.         The front end picked up a front-end page from the Internet and used the JavaScript library jQuery to simplify the operation of DOM and BOM. I want to use ajax technology to initiate HTTP requests and ...