C ා deserialization of dynamic entity set (dynamic JSON deserialization)

1, Use scenario When we deserialize the JSON entity set, if the field is fixed, then we can simply serialize the entity set written by the corresponding field. For example: { "data":[ { "houseid": "210166268", "city": "Tangshan", "pv": "1" } ...

Posted by Mastodont on Thu, 30 Apr 2020 02:07:58 -0700

Zhihu daily client -- look at the section every day

After reading this article, you should learn how to show the photo wall and save the pictures to the local place. design sketch: The last one is about: The realization of Zhihu daily Knowledge points of this article include: Okhttp, Picasso, CardView, dynamic request permission, create file, folder, save picture. Layout first: Material ...

Posted by adrafa on Thu, 30 Apr 2020 00:46:42 -0700

Deployment of Kubernetes cluster ETCD

kubernetes cluster deployment Three official deployment methods1.minikubeminikube is a tool that can run a single point of kubernetes quickly locally, only for testing K8S or daily developmentDeployment address: https://kubernetes.io/docs/setup/minkube/2.kubeadmKubeadm is also a tool that provides kubeadm init and kubeadm join for rapid deploy ...

Posted by project18726 on Wed, 29 Apr 2020 08:36:10 -0700

Configuration and use of webpack dev server

Continue with the previous one https://www.cnblogs.com/chenyingying0/p/12797474.html   Install webpack dev server cnpm i sebpack-dev-server   Modify package.json     Because the syntax of configuring environment variables on different platforms (such as windows and mac) is different, in order to write in a way compatible with multiple platform ...

Posted by hadeosdin on Wed, 29 Apr 2020 07:06:48 -0700

Source code series -- OkHttp

OkHttp official website address: https://square.github.io/okhttp/ We talked about get request earlier. Let's take a look at post request package okhttp3.guide; import java.io.IOException; import okhttp3.MediaType; import okhttp3.OkHttpClient; import okhttp3.Request; import okhttp3.RequestBody; import okhttp3.Response; public class PostEx ...

Posted by md7dani on Tue, 28 Apr 2020 20:00:40 -0700

pyecharts map visualization

pyecharts: Official documents Here we use the pyecharts module for drawing. The pyecharts project contains a series of geographic map data. These data are either built-in or need additional installation and loading. We need to download the following six packages. Choose the installation you need pip install echarts-countries-pypkg pip ins ...

Posted by Matth_S on Tue, 28 Apr 2020 09:03:41 -0700

pyecharts map visualization

pyecharts: Official documents Here we use the pyecharts module for drawing. The pyecharts project contains a series of geographic map data. These data are either built-in or need additional installation and loading. We need to download the following six packages. Choose the installation you need pip install echarts-countries-pypkg pip ins ...

Posted by Alex-B on Tue, 28 Apr 2020 08:44:36 -0700

Basic knowledge of Flask

Introduction: Flask is based on python and relies on jinjia2 and werkzeug WSGI services as a micro framework Werkzeug is essentially a Socket server, which is used to receive http requests and preprocess them, then trigger the Flask framework, Developers process the request based on the functions provided by the Flask framework and return it to ...

Posted by lessthanthree on Tue, 28 Apr 2020 01:53:50 -0700

Wechat applet learning - global configuration

Global configuration 1.app.js Define global data and global functions Definition explanation: onLanuch when the initialization of the applet is completed, onLaunch will be triggered (only once in the global) onShow when the applet starts or enters the foreground display from the background, onShow will be triggered onHide when an appl ...

Posted by hypuk on Mon, 27 Apr 2020 22:56:35 -0700

Detailed steps to use Alibaba big fish Java

Summary Alibaba greater (formerly Alibaba big fish) is a product of Alibaba communication, which integrates the communication capabilities of three major operators. Aligreater provides personalized services including SMS, voice, direct charging of traffic, private special line, shop mobile number, etc. Open SMS service Step 1: Step 2: ...

Posted by Agtronic on Mon, 27 Apr 2020 09:42:33 -0700