Programmer Group

When I use the BaseQuickAdapter universal adapter to pull up and load more data, no matter whether I slide the interface or not, the pull-down loading has been loading more data, which does not meet the requirements of pulling down and starting to load more data at last. No more nonsense, layout: <?x ...

In JetPack, there is a component called Navigation. As the name implies, it is a page Navigation component. Compared with other third-party Navigation, the difference is that it is specially designed for Fragment page management. It is very useful for the App of a single Activity, because the presentation of App pages based on an Activity is d ...

Code completion fast food tutorial (1) - 30 lines of code witness miracle Here is a code completion model I wrote with more than 30 lines of code, including many blank lines and comments. Let's see the effect first. Completion effect cases Let's take a look at the common (Python, Keras) Known: y_t ...

1. test 1. From the perspective of code visibility. Black box test, test code invisible through documents. Automated tests are tested by scripting. White box test, programmers write code to test. 2. Granularity from test. Unit test, integration test, system test. 3. From the level of violence. Pressur ...

I. application technology: Lxml: parsing web pages Requests Library: get web page information re: replace illegal characters os: process filename Queue: Secure multithreading Urlib: download the acquired pictures II. Design idea: Here, the producer consumer model is u ...

I believe that many people will have a question about why we need to read the source code, but we can't use it at work. This is a great problem. We start from the use, and then analyze the implementation principle of these uses, so as to reflect the significance of reading the source code. Block global crash (main thread) based on Handler and ...

Just passed, I also wish you all good health, everything goes well and no more bugs in your future life. I. Preface I wrote an article about uploading directory file: Solution of directory file upload (not only pictures and videos) in uni app system , this time to solve the file preview problem.   uni-app It is a framework that uses Vue.js to d ...

Use version 5.6.2 Plug-ins are used to encapsulate the build logic and some common configurations. Encapsulate reusable build logic and default conventions into plug-ins for use by other projects. You can use your favorite language to develop plug-ins, but in the end it's compiled into bytecode to run in the JVM. Gradle has two plug-ins, scr ...

Notes:Annotation provides a formal way for us to add information to the code, which makes it very convenient for us to use the data in source code, compile time and run time. Annotation is introduced in JAVA SE5, which makes the code cleaner and easier to read, and can realize compile time type checking, etc. When creating a class or interface ...

There is a hole in the saved image in the quick application. If you step on it, you will be hit. Here, you should also distinguish Huawei from other manufacturers. Although there is no problem with the debugger provided by Huawei and the official suppliers, Huawei mobile phones cannot be saved after the application goes online. 1. different poi ...