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[C++] Date class implementation, OJ issues related to date calculation
Article directory Date design Date calculation related OJ questions HJ73 Calculate date to day conversion KY111 date difference KY222 Print date KY258 date accumulation In software development, dealing with dates is a common task. In order to easily manipulate dates, we can use the C++ programming language to create a simple date class. In this […]
Summary of all aspects of getting started with SpringCloud Alibaba components (Part 1): registration center-nacos, load balancing-ribbon, remote calling-feign
Article directory Nacos Ribbon Feign FeignExpansion Nacos Concept: Nacos is a new open source project launched by Alibaba. It is a dynamic service discovery, configuration management and service management platform that makes it easier to build cloud native applications. Nacos is committed to helping users discover, configure and manage microservices. It provides a simple and […]
10. Graphical User Interface and Game Development
Graphical User Interface and Game Development GUI based on tkinter module GUI is the abbreviation of Graphical User Interface. Anyone who has used a computer should be familiar with the graphical user interface, so there is no need to go into details here. Python’s default GUI development module is tkinter (named Tkinter in versions before […]
Spring-boot Mybatis-plus practical application
Article directory Preface 1. springBoot integrates mybatis-plus 1.1 maven introduces dependencies: 1.2 Configure data source:: 2. Use: 2.1 mysql prints the executed sql settings: 2.2 Paging query: 2.3 Conditional constructor: 2.3.1 QueryWrapper query: 2.3.2 UpdateWrapper update: 2.3.3 LambdaQueryWrapper query: 2.3. LambdaUpdateWrapper update: 3. Use of plug-ins: 3.1 Custom ID generation: 3.2 Logical deletion: 3.3 Autofill: […]
TrOCR model fine-tuning [Transformer-based optical character recognition]
The TrOCR (Transformer-based Optical Character Recognition) model is one of the best performing OCR models. In our previous article we analyzed their performance on single lines of printed and handwritten text. However, like any other deep learning model, they have their limitations. TrOCR doesn’t perform well with curved text out of the box. This article […]
Instances of all methods in the list type (except sort) and explanations (called through help (list))
1. Overview After using help (list) and running it, you can see the following methods: append, clear, copy, count, extend, index, insert, pop, remove, reverse, a total of ten methods. Next, I will give examples one by one. explain. 2. Examples and explanations 1.append: Append object to the end of the list. (Append object to […]
Practical Data Analysis | K-means Algorithm – Analysis of Protein Consumption Characteristics
Table of Contents 1. Data and analysis objects 2. Purpose and analysis tasks 3. Methods and Tools 4. Data reading 5. Data understanding 6. Data preparation 7. Model training ?Edit 8. Model evaluation 9. Model tuning participates in prediction 1. Data and analysis objects txt file – “protein.txt”, mainly records 9 attributes of 25 countries. […]
SparkSQL’s Analyzed LogicalPlan generation process
After AstBuilder processing, the Unresolved LogicalPlan was obtained. There are two objects that have not been resolved in the logical operator tree: UnresolvedRelation and UnresolvedAttribute. The main role of the Analyzer is to parse these two nodes or expressions into typed objects. In this process, Catalog related information is needed. Because it inherits from the […]
“Amazon Cloud Technology Product Review” event call for papers｜Building a streaming media server with “weak” image processing functions
Authorization statement: This article authorizes the official Amazon Cloud Technology article to forward and rewrite the rights, including but not limited to Amazon Cloud Technology official channels such as Developer Centre, Zhihu, self-media platforms, third-party developer media, etc. This article is based on the following software and hardware tools: +awsec2 + frp-0.52.3 + mediamtx-1.3.0 + […]