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- Java embedded data engine from SQLite to SPL instance analysis
- The data engines that can be embedded in Java applications seem to be rich, but in fact it is not easy to choose. Redis has poor computing power and is only suitable for simple query scenarios. The Spark architecture is complex and heavy, making deployment and maintenance very troublesome. Embedded databases such as H2\HSQLDB\Derby have simple structures, but their computing capabilities are insufficient and they do not even support basic window functions. In contrast, SQLite has achieved a good balance in architecture and computing power, and is a widely used Java embedded data engine. SQLite adapts to conventional basic application scenarios. SQLite has a simple structure. Although its core is developed in C language, it is well packaged and presented to the outside as a small Jar package, which can be easily integrated in Java.
- javaTutorial . restful 699 2023-05-05 21:52:05
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- How to design elegant Java exceptions?
- When do we need to throw exceptions? First we need to understand a question, when do we need to throw exceptions? Exceptions are designed to be convenient for developers to use, but not to be used indiscriminately. The author has also asked many friends about when to throw exceptions, and there are indeed not many who can give accurate answers. In fact, this problem is very simple. If you feel that certain "problems" cannot be solved, then you can throw an exception. For example, if you are writing a service, and when you write a certain piece of code, you find that a problem may occur, then please throw an exception. Believe me, this is the best time for you to throw an exception. What kind of exception should be thrown? After understanding when it is necessary to throw an exception, let us think about another question. When we really throw an exception, what should we do?
- javaTutorial . restful 1186 2023-04-26 11:25:07
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- From entry-level learning to proficiency in PHP
- With the rapid development of the Internet, more and more people are paying attention to the field of programming. Among them, PHP, as a commonly used programming language, has attracted the attention of more and more developers. But for newbies, how long it takes to learn a programming language is a nagging question. Then, this article will analyze and elaborate on this issue from the perspective of how long it takes to master PHP from the beginning. 1. PHP entry learning stage As an open source scripting language, PHP is easy to get started with. For learners who already have some computer basics, it will take about
- PHP Problem . restful 447 2023-04-26 11:22:45
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- What projects are developed with nodejs?
- With the increasing development of Internet technology, developers are constantly seeking more efficient, flexible, and practical development tools and frameworks. As a lightweight JavaScript back-end development framework, Node.js is gradually entering the eyes of more and more developers. So, what projects is Node.js suitable for developing? This article will introduce in detail the characteristics, advantages and disadvantages of Node.js, and which projects it is suitable for developing. 1. Characteristics of Node.js Node.js is a lightweight JavaScript back-end development
- Front-end Q&A . restful 972 2023-04-26 09:54:04
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- What is the use of javascript files
- JavaScript is an object-oriented programming language that is commonly used in web development to add dynamic effects and interactivity to web pages. It is widely used in websites, desktop applications, server-side programming, and mobile application development. JavaScript files play an important role in web programming. The importance and use of JavaScript files will be analyzed in detail below. First of all, in web development, JavaScript files are script files used to add dynamic functionality and interactivity to web pages. via Java
- Front-end Q&A . restful 1917 2023-04-25 11:22:11
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- Examples to explain how to implement web interface in PHP
- With the continuous development of Internet applications, there are more and more websites with more and more complex functions. As an important connection hub between websites and external services, web interfaces have also attracted the attention of more and more developers. In the PHP language, we can implement web interfaces through different methods. This article will focus on two common writing methods. 1. Based on traditional PHP back-end interface development This method is a relatively traditional interface development method, which is mainly implemented using PHP's process-oriented programming. The process is roughly as follows: 1. Create a php file to process the interface
- PHP Problem . restful 2270 2023-04-24 14:56:54
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- Can JavaScript be programmed?
- JavaScript is a high-level, interpreted programming language and one of the important languages for developing web applications. JavaScript is dynamic, cross-platform, and closely integrated with HTML/CSS. It can realize various dynamic effects, user interface interaction, client-side scripting and other functions. It is widely used in web development, browser plug-in development, and server-side programming. and mobile application development. So, can JavaScript write various programs? The answer is yes. JavaScript can not only
- Front-end Q&A . restful 689 2023-04-24 15:00:06
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- How to modify frame content in php
- With the rapid development of the Internet, website construction has become a necessary development method. However, in actual website construction, the selection and modification of the framework are also particularly important. Below, this article will take the PHP framework as an example to explain how to modify the framework content. 1. What is a PHP framework? A PHP framework is the basis of a Web application. It consists of a series of libraries and tools to help everyone build Web applications. Whether you are rapidly developing RESTful APIs, building e-commerce sites, content management systems, social networks, or various other types
- PHP Problem . restful 929 2023-04-24 14:42:05
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- Detailed explanation of the deletion operation of Laravel resource routing
- Laravel is a powerful PHP framework that has a wide range of applications in the field of web development. Among them, resource routing is one of the very important concepts in Laravel, which can help us quickly build RESTful APIs. In the process of using resource routing, deletion operations are very common, so this article mainly introduces the deletion operation of Laravel resource routing. 1. Introduction to resource routing In Laravel, resource routing can be defined through the Route::resource method. This method will automatically
- Laravel . restful 505 2023-04-23 09:32:12
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- What is laravel routing configuration file
- What is Laravel routing configuration file? Laravel is a popular PHP development framework that provides a powerful routing system that can map URLs to controller methods. Laravel's routing system allows us to easily create RESTful APIs and web applications, and allows us to handle various HTTP requests (GET, POST, PUT, DELETE, etc.) in a very simple way. In Laravel, routes are composed of one or more
- Laravel . restful 892 2023-04-21 14:02:41
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- What components does laravel have?
- Laravel is an open source PHP framework that is favored and loved by the majority of web developers. It is widely used by web developers for its simple API, elegant syntax, extremely fast development, and convenient database operations. In Laravel, many components are also very practical. Let’s take a look at what components Laravel has. 1. Blade template engine Blade is a view rendering engine built into Laravel. Compared with PHP's native view engine, Blade is simpler and more elegant, and it also supports extensions.
- Laravel . restful 758 2023-04-21 10:39:24
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- How much faster is beego than laravel?
- With the continuous development and deepening of the Internet, various web frameworks emerge one after another and become an important tool for application development. Among them, beego and laravel are two popular web frameworks and are widely used. So, how fast is beego compared to laravel? This article will compare their differences in performance and explore the advantages of beego. 1. Introduction First, we need to briefly introduce the two web frameworks beego and laravel. beego is a product developed based on go language
- Laravel . restful 580 2023-04-21 10:15:23
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- How to build an API server using PHP
- With the rapid development of mobile, cloud computing, Internet of Things and other technologies, APIs have become an important way of data interaction between various applications and systems. In the field of web development, PHP, as a popular back-end language, provides many libraries and frameworks that facilitate API implementation. This article will introduce how to use PHP to build an API server and share the whole process from design to implementation. 1. Requirements analysis and design ideas Before implementing the API server, we need to clarify the requirements and design ideas. This article implements a simple API server, and its requirements can be summarized as: 1. Support
- PHP Problem . restful 1714 2023-04-21 09:21:58
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- Nodejs download and installation
- Node.js is a JavaScript runtime based on the Chrome V8 engine that can be used for server-side programming. It takes its name from its event-driven, non-blocking I/O model, making it lightweight, efficient, and easily scalable. This article will introduce the download and installation process of Node.js. 1. Download Node.js to obtain the original code of Node.js, which can be downloaded from the official website. Open the https://nodejs.org/zh-cn/download/ page
- Front-end Q&A . restful 168 2023-04-17 15:03:11
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- Let's talk about how to use resource routing in laravel
- Laravel, as a mainstream web application development framework, can help developers create web applications quickly and efficiently. Among them, Resource Routes is a very useful feature in the Laravel framework. It can help developers easily define the URL routes required in the project, reduce development difficulty, and simplify code implementation. In this article, we will study the use of Laravel resource routing to help developers understand how it works and how to use it in projects
- Laravel . restful 1563 2023-04-14 17:37:08
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