Professional Ability Test (PAT) consists of several series of subject tests. Each test is divided into several levels. Level A is a prerequisite of Level B if one must pass Level A with a score no less than S in order to be qualified to take Level B. At the mean time, one who passes […]
Tag: ssi
Mobile Development Technology Assignment 2: Implementation of Recycleview click-to-jump function
1. Function description Implement the functional design of page jump and return to the module that has added recyclevie 2. Development Technology Development tools: Android studio Version: API 32 Android 12 3. Development ideas and core code In the last article, I placed recycleview1 in fragment2 (information interface). Due to design needs, I now put […]
A brief discussion on CoordinatorLayout
Directory Article directory Table of contents 1.What is CoordinatorLayout 2. Features of CoordinatorLayout 3. Usage of CoordinatorLayout 4.CoordinatorLayout related attribute methods Properties of CoordinatorLayout Behavior method Methods of CoordinatorLayout 4.Usage of CoordinatorLayout In Android development, we often need to deal with complex interface interactions and coordination operations. CoordinatorLayout is a useful layout container from the […]
Use C# to simplify your work (processing Excel tables)
Use C# to simplify work (processing Excel tables) It is necessary to deduplicate the data in several Excel tables, and then save the data of each site as a Sheet. Several tables are shown below: The implementation effect is as follows: Detailed implementation Need to use EPPlus to operate Excel Install EPPlus as follows: For […]
Android Development-Assignment 2: Click to jump to the list page
1. Achieve goals 1. Function description Based on the last experiment, improve the content of the list items and add a click function to each item. After clicking, you can jump to another page< /strong> and can return to the original list page. 2. Realize the effect 2. Implementation instructions There are roughly three things […]
Android mobile development assignment–implementation of click-to-jump function of Recycleview
Table of Contents 1. Design goals 1.1 Design requirements 1.2 Introduction to design functions 2. Detailed design explanation 2.1 Define the contactMS class 2.2 Define layout files 2.3 Modify Myadapter adapter 2.4 Define ContactDetailsActivity.java 3. Run interface display 4. Source code warehouse address 1. Design Goals 1.1 Design Requirements Relying on assignment 1, add a […]
Redis uses Pipeline (pipeline) batch processing
Redis batch processing During development, it is sometimes necessary to process large batches of Redis. For example, Redis queries multiple Hash in batches. If you query one by one in a for loop, the performance will be very poor. In this case, you can use Pipeline. Pipeline Pipeline can send multiple commands at once and […]
Naive Bayes – spam classification
Tip: After the article is written, the table of contents can be automatically generated. For how to generate it, please refer to the help document on the right. Article Directory Preface 1. Bayesian 2. Naive Bayes 3. Code 4. A little self-judgment Summarize Foreword Whether spam has been bothering you, the Bayesian formula gives you […]
Oracle active/standby switchover, ogg recovery method (classic mode)
Foreword: This article mainly introduces how to recover the ogg process (classic mode) running in the main database and standby database when the Oracle database physical ADG primary and backup switches (switchover, failover). Test recovery scenario: 1 A switchover occurs between the active and standby devices, and the main database is the ogg source. 2 […]
DevChat is an all-in-one AI programming assistant that helps you “overwhelm your friends with one enemy and three scrolls”
What is DevChat and what can it help us with? DevChat is a product of OpenAI, an AI that can conduct programming-related conversations. This means you can use it to solve some programming problems or get advice about programming. You can provide code snippets and ask questions and it will help as much as possible. […]