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Scrapyd is a tool for deploying and running Scrapy projects. With it, you can upload a written Scrapy project to the cloud host and control its operation through an API. Since the Scrapy project deployment basically uses the Linux host, the installation of this section is for the Linux host. 1. Related links GitHub: https://github.com/scra ...

SpringBoot Learning Diary Simple Hello Word applet Configuring pom to introduce dependencies <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>1.5.9.RELEASE</version> </parent> <dependencies> <de ...

Global exception handling and custom exception Article directory Global exception handling and custom exception 1. Catching global exceptions 2. Custom exceptions 2.1 Custom Exception Class 2.2 Handling custom exceptions 2.3 summary 1. Catching global exceptions Capturing global exceptions is actually very simple, ...

Exploration of ARouter Source 1. Questions How do I support direct parsing of standard URL s for jumping and automatically injecting parameters into the target page? How do I support Multidex, InstantRun? How can mapping relationships be grouped, multilevel managed, and initialized on demand? How does Dependent Injection w ...

Using API, first look at the next interface document   First, the python version 2.7 code #encoding=utf-8 import requests import time import string import random import base64 import hashlib import urllib from urllib import urlencode from requests.packages.urllib3.exceptions import InsecureRequestWarning requests.packag ...

Use of Routes Vue-router is the official routing plug-in for Vue.js. It is deeply integrated with vue.js and is suitable for building single-page applications.The single-page application of Vue is based on Routing and components, which are used to set access paths and map paths and components.Traditional page applications use ...

This paper mainly introduces the process of Baidu Map POI data acquisition and subsequent processing.There are two main steps in POI data acquisition and subsequent processing, namely POI data acquisition: get POI data from Baidu Map and save it in json format; EXCEL import of data: Convert data saved in json format to excel ...

Introduction: CoinCap is a useful tool for querying real-time pricing and marketing activities for more than 1,000 encrypted currencies.By collecting exchange data from thousands of markets, we can provide transparent and accurate data on asset prices and availability.This paper summarizes the basic operation and introduction of Co ...

In the last section, the implementation of CoAp client and server, the data is also sent to kafka in the format defined by the installation, followed by the implementation of Mapping server, which maps physical device data to abstract devices and gives data business meaning. iot-mapping Building iot-mapping module, introducing kafka public modu ...

1. data sources 1) Satellite image texture. sxearth and other software are used to download and store data in tms format from existing network map service providers.2) DEM data. The global data available for download are SRTM V4.1, AW3D30, TanDEM-X, etc. 2. DEM data preprocessing Cesium supports two formats of terrain: quantized-mesh data and ...