JSP实践要点_MySQL
在 Internet众多网站中，基于Web数据库的动态网站应用相当广泛。基于Web网络数据库的动态网站由一个Web浏览器作为客户端界面，一个数据库服务器用做信息存储和一个连接两者的 Web应用服务器组成。原有开发动态网站的CGI技术，随着Web应用程序的客户端技术不断地发展，逐渐被Java Applet、ActiveX控件、DHTML和JavaScript所取代。这些技术极大地改善了用户界面，但当它们尝试做一些深入的工作时，开始遇到客户端浏览器不兼容、服务器负担过重、访问速度下降以及安全性等问题。JSP技术就是解决这些问题的一把金钥匙，本文主要讨论在使用JSP技术构建动态网站的过程中的一些技术问题。
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Convert VirtualBox fixed disk to dynamic disk and vice versa
Mar 25, 2024 am 09:36 AM
When creating a virtual machine, you will be asked to select a disk type, you can select fixed disk or dynamic disk. What if you choose fixed disks and later realize you need dynamic disks, or vice versa? Good! You can convert one to the other. In this post, we will see how to convert VirtualBox fixed disk to dynamic disk and vice versa. A dynamic disk is a virtual hard disk that initially has a small size and grows in size as you store data in the virtual machine. Dynamic disks are very efficient at saving storage space because they only take up as much host storage space as needed. However, as disk capacity expands, your computer's performance may be slightly affected. Fixed disks and dynamic disks are commonly used in virtual machines
The Stable Diffusion 3 paper is finally released, and the architectural details are revealed. Will it help to reproduce Sora?
Mar 06, 2024 pm 05:34 PM
StableDiffusion3’s paper is finally here! This model was released two weeks ago and uses the same DiT (DiffusionTransformer) architecture as Sora. It caused quite a stir once it was released. Compared with the previous version, the quality of the images generated by StableDiffusion3 has been significantly improved. It now supports multi-theme prompts, and the text writing effect has also been improved, and garbled characters no longer appear. StabilityAI pointed out that StableDiffusion3 is a series of models with parameter sizes ranging from 800M to 8B. This parameter range means that the model can be run directly on many portable devices, significantly reducing the use of AI
DualBEV: significantly surpassing BEVFormer and BEVDet4D, open the book!
Mar 21, 2024 pm 05:21 PM
This paper explores the problem of accurately detecting objects from different viewing angles (such as perspective and bird's-eye view) in autonomous driving, especially how to effectively transform features from perspective (PV) to bird's-eye view (BEV) space. Transformation is implemented via the Visual Transformation (VT) module. Existing methods are broadly divided into two strategies: 2D to 3D and 3D to 2D conversion. 2D-to-3D methods improve dense 2D features by predicting depth probabilities, but the inherent uncertainty of depth predictions, especially in distant regions, may introduce inaccuracies. While 3D to 2D methods usually use 3D queries to sample 2D features and learn the attention weights of the correspondence between 3D and 2D features through a Transformer, which increases the computational and deployment time.
PHP MQTT Client Development Guide
Mar 27, 2024 am 09:21 AM
MQTT (MessageQueuingTelemetryTransport) is a lightweight message transmission protocol commonly used for communication between IoT devices. PHP is a commonly used server-side programming language that can be used to develop MQTT clients. This article will introduce how to use PHP to develop an MQTT client and include the following content: Basic concepts of the MQTT protocol Selection and usage examples of the PHPMQTT client library: Using the PHPMQTT client to publish and
How to solve the problem that the Baidu Netdisk webpage cannot start the client?
Mar 13, 2024 pm 05:00 PM
When many friends download files, they will first browse on the web page and then transfer to the client to download. But sometimes users will encounter the problem that the Baidu Netdisk webpage cannot start the client. In response to this problem, the editor has prepared a solution for you to solve the problem that the Baidu Netdisk webpage cannot start the client. Friends in need can refer to it. Solution: 1. Maybe Baidu Netdisk is not the latest version. Manually open the Baidu Netdisk client, click the settings button in the upper right corner, and then click version upgrade. If there is no update, the following prompt will appear. If there is an update, please follow the prompts to update. 2. The detection service program of Baidu Cloud Disk may be disabled. It is possible that we manually or use security software to automatically disable the detection service program of Baidu Cloud Disk. Please check it out
Dreamweaver CMS station group practice sharing
Mar 18, 2024 am 10:18 AM
Dream Weaver CMS Station Group Practice Sharing In recent years, with the rapid development of the Internet, website construction has become more and more important. When building multiple websites, site group technology has become a very effective method. Among the many website construction tools, Dreamweaver CMS has become the first choice of many website enthusiasts due to its flexibility and ease of use. This article will share some practical experience about Dreamweaver CMS station group, as well as some specific code examples, hoping to provide some help to readers who are exploring station group technology. 1. What is Dreamweaver CMS station group? Dream Weaver CMS
PHP Coding Practices: Refusing Alternatives to Goto Statements
Mar 28, 2024 pm 09:24 PM
PHP Coding Practices: Refusal to Use Alternatives to Goto Statements In recent years, with the continuous updating and iteration of programming languages, programmers have begun to pay more attention to coding specifications and best practices. In PHP programming, the goto statement has existed as a control flow statement for a long time, but in practical applications it often leads to a decrease in the readability and maintainability of the code. This article will share some alternatives to help developers refuse to use goto statements and improve code quality. 1. Why refuse to use goto statement? First, let's think about why
Best Practices for Traffic Management with Golang
Mar 07, 2024 am 08:27 AM
Golang is a powerful and efficient programming language that is widely used to build web services and applications. In network services, traffic management is a crucial part. It can help us control and optimize data transmission on the network and ensure the stability and performance of services. This article will introduce the best practices for traffic management using Golang and provide specific code examples. 1. Use Golang’s net package for basic traffic management. Golang’s net package provides a way to handle network data.
