first, apollo starts normally python code, very simple: import time import paho.mqtt.client as mqtt def on_connect(client, userdata, flags, rc): print("Connected with result code " + str(rc)) if __name__ == "__main__": ...
python Code import os import os.path import time import paho.mqtt.client as mqtt import csv import json def ParsFile(filename): file_object = open(filename) try: if os.path.splitext(filename)[1]==".txt": for line ...
< H2 > background < H2 > nodejs as server rely on mqtt package [1]: https: www.npmjs.com package. start mqtt service the main implementation code is as follows: var mqtt = require( mqtt ); var mqttc = {} var options = { host: "127.0....
in the project built by vue, use the apollo package to do the graphql query. You want to add the request header. The document looks like this: let apollo: ApolloClient = { let configuration = URLSessionConfiguration.default Add additional header...
< H2 > question < H2 > novice, I want to do a react single-page application with a separate login page. I don t know how to handle the routing of the login page. I handled the login component according to the following code. I can log in and go to...
the running environment is ubuntu 16.04 python 3.5.2 cd project folder virtualenv-p python3 env source env bin activate pip install-r requirements.txt requirements.txt file contents are as follows: h5py==2.7.1 Keras==2.0.6 numpy==1.13.3 olefi...
do Chinese entity recognition. from http: nlp.stanford.edu softw., download Stanford CoreNLP 3.9.1 package, there is no classifierschinese.misc.distsim.crf.ser.gz under the classifiers folder. where should I get it? who has resources to share? Thank...
curl -sL https: deb.nodesource.com setup_6.x | sudo -E bash - What does the command mean? what does the L in the parameter, setup_6.x in url, |, sudo-E bash-all mean. ...
how do I get data from five different tables in one controller and transfer values to the view at the same time? For example, the table is a b c d e ...