Programmer Think

I. Introduction Prometheus saves all collected sample data in a time-series manner in a memory database and on a hard disk at regular intervals. Each sample in time series consists of three parts. Indicators (metric): metric name and labelsets describing the characteristics of current samples, such as < metric name > {label name >= ...

Requirement: The ultimate effect: Code: <style> html{ touch-action:none; } button, .aui-btn { background-color: #06a7e2; color: white; } .weui-cells{ margin-top: 40px; } .obj{ padding-left: 10px; line-height: 30px; word ...

Catalog python day4 tuple/dictionary/set class knowledge point supplement 1. tuple knowledge point supplement 2. Knowledge Point Supplement of Dictionary dict 3. Basic data type set 4. Ternary operations, also known as trinomial operations 5. Deep duplication and shallow duplication 6. ...

VSCode Node.js HbuilderX Installation of front-end development environment image.png npm install -g cnpm --registry=https://registry.npm.taobao.org cnpm install -g less image.png HBuilderX is the best front-end development tool in China. We use it to develop Electron project and small program project. image.png ...

On Unity's fade-in and fade-out capabilities for Pico (for beginners like me) Say less nonsense and go straight to the process Create an empty object FadeInOutControl under Pvr_UnitySDK--Head Create two sub-objects under FadeInOutControl: FadeIn and FadeOut Add Sprite Renderer to two sub-objects wi ...

Preface Re-Alpha version of Vue 3.x. There should be Alpha, Beta and other versions in the future. It is expected that the official version of 3.0 will not be released until at least the first quarter of 2020.So we should take advantage of the fact that we haven't yet come out to lay a good foundation for Vue2.x.The basic usage of vue is easy t ...

title: User name duplication checking using native Ajax (1) date: 2018-10-21 17:35:15 tags: [JavaScript,Ajax] --- A review of Ajax It will be a while before you start learning ajax, and then you use it less. Some of them are unfamiliar. Now we just want to realize the function of checking repetition with Ajax. By the way, review Ajax. About Aja ...

1. AR mode removes the automatic sorting function public function search($params) { $dataProvider = new ActiveDataProvider([     'query' => $query,     'sort' => false,    // Remove automatic sorting ]); 2. Scalar Query The corresponding table of Book model is book, and the parameter value o ...

As Java programmers, netty should be more or less exposed to everyone. Netty is widely used as an asynchronous event-driven network framework. We can see from a map of netty's official website what features netty has: netty's core competence has three points: Extensible Event Model Universal Communicat ...

Preface Recently, in a project, the audio recorded by webRTC needs to be processed, including audio clipping, multi-audio merging, and even replacing one part of an audio with another. Originally, I intend to leave this job to the server side, but considering whether the front end or the backstage is done, the work is almost the same. Moreover, ...