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Three hundred lines of Java per day (01-02 days, environment construction and basic syntax) Note: here are the synchronous notes and records of JAVA self-study and understanding. If you have any questions, please correct them @[TOC] (article directory) preface At the undergraduate stage, I have never been in contact with java, so the lan ...

1. Preface Under the trend of AI Artificial Intelligence, there are many products that are convenient for people's life: face recognition technology - complete face unlocking and face core; License plate recognition - complete the design of parking lot unmanned billing system; Automatic driving - assisted driving, automatic parking and so on, ...

catalogue Learning objectives: Learning content: Define CRM system for project analysis and division of project system modules Concept: System module division Basic module marketing management Customer management: Service Management: Data report: Design database table structure Marketing management module Customer management mod ...

IOC concept and principle IOC concept IOC (Inversion of control) The process of creating and calling objects is handed over to Spring for managementPurpose of using IOC: reduce coupling IOC entry case: https://blog.csdn.net/CherryChenieth/article/details/123043600?spm=1001.2014.3001.5501 IOC underlying principle: xml parsi ...

Day 39 969 pancake sorting Give you an integer array arr, please use pancake flip to sort the array. The execution process of a pancake flip is as follows: Select an integer k, 1 < = k < = arr.length Inverse rotor array arr[0...k-1] (subscript starts from 0) For example, arr = [3,2,1,4], select k = 3 to flip the pancake once, reve ...

1, Redis persistence RDB snapshot By default, redis saves the in memory database snapshot in the name dump RDB binary file. Redis can be set (save N M) to automatically save the dataset (the whole memory at the current time) as an RDB file when the condition of "at least M changes to the dataset in N seconds" is met. You can also en ...

Transformer purpose Transformer, as the name suggests, means converter. As early as rxjava 1 The X version has Observable Transformer,Single.Transformer and complete Transformer, in 2 In version x, it becomes Observable transformer, SingleTransformer, completable transformer, Flowable transformer and maybtransformer. Among them, FlowableTransf ...

Differences between get post requests 1. post Request security higher than get. get Request to expose parameters directly to url Up, post Request to hide parameters To pass a password post 2. get The request has a limit on the length of the data, url The maximum length of is 2048 characters. post unlimited When transferring large amounts ...

catalogue introduce Set Docker on Raspberry Pi Dockerfile of ARM Building mirrors and running containers summary Download project file - 4.8 MB introduce Docker and other container technologies significantly simplify the dependency management and portability of software. In this series of articles, we explore Docker Use in machine lea ...

SpringMVC First of all, let's learn about the classic MVC mode. The full name of MVC is Model View Controller. M refers to business model and data model, V refers to user interface and C refers to controller. The purpose of using MVC is to separate the implementation codes of M and V, so that the same program can use different expressions. ...