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Scene: Control side - ordinary mobile phone; Controlled side - XX device (no screen, no user operation, system privileges) There are two ways to find a device when Bluetooth is on: search and specify a mac.Searching for Bluetooth devices with the search function involves the concept of "visibility". Bluetooth ...

Scene: Control side - ordinary mobile phone; Controlled side - XX device (no screen, no user operation, system privileges) There are two ways to find a device when Bluetooth is on: search and specify a mac.Searching for Bluetooth devices with the search function involves the concept of "visibility". Bluetooth ...

Young brother is not talented, he made a simple lazy load to save moneyWindow.onscrollNumber of times to improve performance, designed function throttling and function anti-shake two modes, think of a better way to update later, also ask your friends to give more pointers!!:D Say nothing but code~~ 1. Simple lazy load ...

background    I believe that all of us have dictation when we first learn a language. Now when primary school students learn Chinese, an important homework is dictation of new words in the text. Many parents have this experience. However, on the one hand, the action of reading words is relatively simple, on the other hand, parents' ti ...

Exception capture 1. What is exception capture """ The program can continue to run if there is an exception in the process of program execution. Note: you don't need to use exception capture all the time. You should use it when you know that there may be an exception in a certain place and you don' ...

Guide to Lao Meng: This is a boutique article translated by Lao Meng, which has a total of 3.6K of praise.Join the Lao Meng Flutter Exchange Group (wx:laomengit) and make great articles no mistake. Original address: https://medium.com/free-code-camp/why-i-think-flutter-is-the-future-of-mobile-app-development-768332b73c0d A few years ago, I ...

Since the Extensions component library was released, Data Grid has become the most used and consulted component. At the beginning, the design of Data Grid was very simple. After some refactoring, the quality of components has been improved. Extensions component library: https://github.com/ng-matero/extensions Data Grid example: https://ng- ...

Spring Science (5) -- SMS verification code login function Previous articles on spring Science Series 1,Spring security (1) -- authentication + authorization code implementation 2,Spring security (2) --- remember my feature implementation 3,Spring Science (3) -- function implementation of graphic verification code 4,Spring Science (4) -- ...

Shortcut directory Vertical alignment Extend an element to window height Use different styles based on file format Create image grayscale across browsers Background gradient animation CSS: table column width self applicable Show box shadows on one or both sides only Package long text Make fuzzy text ...

Preface: to every reader: Hello! My name is Changlon. I'm a runner who runs on the road of programming like you, hoping to change the world and improve your life with programming. First intention of writing article: convenient for review later, convenient for future interview, make more friends, exchan ...