User manual for tablet store combined with Blink public cloud

Preface In this paper, we will introduce the process of creating the source table and result table jobs in Blink real-time computing platform. Table storage channel service Form store Channel service It is a full incremental integrated service based on the data interface of the table store. Through a set of Tunnel Service API s and SDK s, it ...

Added by uidzer0 on Mon, 09 Dec 2019 02:20:07 +0200

python crawler -- selenium module. Get up and move yourself!

selenium basic operation from selenium import webdriver from time import sleep #Instantiate a browser object bro = webdriver.Chrome(executable_path=r'C:\pycahrm file\chromedriver.exe') url = 'https://www.jd.com/' #User initiated request bro.get(url) #Location tag search_input = bro.find_element_by_id('key') #Data interaction with the specifi ...

Added by damanic on Mon, 09 Dec 2019 00:02:57 +0200

python 3.7 quick start tutorial 7 Internet

Contents of this tutorial 7 Internet Internet access urllib urllib is a Python module for opening URL s. import urllib.request # open a connection to a URL using urllib webUrl = urllib.request.urlopen('https://china-testing.github.io/address.html') #get the result code and print it print ("result code: " + str(webUrl.getcode())) ...

Added by johnh2009 on Sun, 08 Dec 2019 21:33:51 +0200

jQuery -- time flies: AJAX method

jQuery -- review of knowledge points (5): AJAX method 1. $.ajax method: used to execute AJAX (asynchronous HTTP) requests. <!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <title>My Test JQuery</title> <script type="text/javascript" src="./js/jquery-1. ...

Added by webtuto on Sun, 08 Dec 2019 09:42:52 +0200

vue-cli Project Trench

mock data in vue-cli project Install http-server. Run with the project. The src path creates a mock folder that configures the required json data. Root path creates vue.config.js setting proxy condition. Enter mock.Start http-server. # yarn global add http-server # touch vue.config.js # mkdir src/mock # touch src/mock/list.json # cd mock # h ...

Added by jamesl on Sat, 07 Dec 2019 22:05:28 +0200

1 MySQL ORM learning notes

Node.js ORM - Sequelize basic Overview: ORM(Object Relation Mapping) based on Promise supports multiple databases, transactions, associations, etc Installation: npm i sequelize mysql2 -S Basic use: const Sequelize = require("sequelize"); // Establish connection const sequelize = new Sequelize("kaikeba", "root", "admin", { host: "localhost" ...

Added by angeljyt on Fri, 06 Dec 2019 01:59:46 +0200

Python+ITchart to realize wechat robot's automatic reply to specified friends and groups

Here I mainly use three robots, which can be switched. 1. Turing robot     http://www.tuling123.com 2. The Turing robot on showapi (feels the most intelligent, can recognize wechat expressions, English, Chinese, etc., but because I am an ordinary member, I call it 1000 times a day)     https://www.showapi.com/api/lookPoint/60 3. Molly r ...

Added by iBlizz on Fri, 06 Dec 2019 00:26:08 +0200

PHP+Ajax implementation of article mood voting function example

A PHP+Ajax implementation of article mood voting function example, you can learn to understand the basic process of voting: get mood icon and histogram related data through Ajax, when the user clicks one of the mood icons, send a request to Ajax.php, PHP verifies that the user cookie prevents repeated submission, then adds 1 to the correspondin ...

Added by bluebyyou on Thu, 05 Dec 2019 16:40:49 +0200

Discussion: the difference between creating objects before and in a loop

Business scenario The back end obtains data from the database and passes it to the front end. Data format obtained by backend: List Data format of front-end requirements: Json [scenario analysis] The data format obtained by the back end is List, while the data format required by the front end is Json. Therefore, the back end needs to reassemble ...

Added by fesan on Thu, 05 Dec 2019 15:31:56 +0200

Array element addition and deletion, including tree structure data

Install npm package npm i great-jsutils --save Import api import {JsUtilsApi, ArrayUtils, Base64, TimeUtils,StringUtils } from "great-jsutils/index"; Example 1: String removal //String removal: the first parameter is the array to be operated, and the second parameter is the string to be removed testArray(){ let arr=["a","b","c"]; Arra ...

Added by ierpe on Thu, 05 Dec 2019 12:05:37 +0200