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Spring provides several marker interface s that alter the behavior of beans in containers; they include InitializingBean and Disposable bean.The beans implementing both interfaces invoke the lattPropertiesSet() method of the former and the destroy() method of the latter when initializing and destructing. In modern Spring applications, The J ...

Android Foundation - RecyclerView Drag-and-Drop Sort Side Slip Delete Well, there are not too many explanations about Recycler View. You should all know it better. Hongyang Blog has a more detailed explanation: Android RecyclerView uses fully analytical experiential art-like controls . The purpose of writing this blog is that I want to r ...

Label PostgreSQL, json, string escape, unicode, SQL injection, backslash_quote, escape_string_warning, standard_conforming_strings background Through this article, you can understand: 1. How to input special characters in a string, such as carriage return. 2. How to enter single quotation marks in a string. 3. What is an escape character? Us ...

The direct embodiment of Node.js asynchronous programming is callback. Asynchronous programming relies on callbacks to achieve, but it can not be said that the program will be asynchronous after using callbacks. Callback functions are called when the task is completed. Node uses a large number of callback functions. All of Node's API s suppo ...

SAX parsing using JAXP (XMLReaderFactory, XMLReader, SAXParserFactory, and SAXParser) 1. We do this through XMLReaderFactory, XMLReader, as follows 1.adopt XMLReaderFactory Establish XMLReader object XMLReader reader = XMLReaderFactory.createXMLReader(); 2. Set Event Processor Object reader.setContentHandler(new MyDefaultHandler()); ...

Encoding/decoding is also called serialization/deserialization in Java. The serialization and deserialization technology of Java itself generates too much binary stream and has low conversion efficiency. It is generally not suitable for the encoding framework of remote cross-node calls. Protobuf, known as Protocol Buffers, comes from Google Op ...

For WCF applications, compressing request and reply messages before transmission can not only reduce network traffic, but also improve the performance of network transmission. I. Message Compression Scheme II. Components for Data Compression and Decompression Components for message compression and decompression Components for Compression and De ...

Continue with the card design from the previous blog, and we'll continue from WeChat To find some clues, let's start by looking at an interface that is the default public number in WeChat, mainly to publish the latest developments on Tencent News. As we can see, it uses a card layout similar to the one we used in the previous article.So, let' ...

First, show the results of the project operation: The initial login interface: (1) Choose to remember the password: Click login to jump to Activity 02 page: (2) When logged in again: Cancel remembering passwords: Click login and jump to Activity 02 page. When you open the project again, it will return to the state of empty initial ac ...

After several days of tossing and turning, this App has basically been completed. Part of it is a custom SwitchBar. I have seen many other people's solutions online. They are all based on the system's own SwitchBar. They just modify some background image resources or something. The effect is not very ideal. The following is my solution. First p ...