I bought a server, and I encountered some problems when deploying flask program for the first time, as follows Google found that you can directly use gunicorn3 to support python3 . After the server is installed, it can be started using gunicorn3...
the Nginx+Gunicorn+Flask used for the project has been successfully deployed to the vultr server and can be accessed by the external network. There is no problem with using flask built-in server locally, so the problem should be on Nginx the problem n...
I encountered a problem when I used flask_sqlalchemy for the first time, as follows uses python version 3.6 , uses conda as the package manager, and has successfully installed flask_sqlalchemy and other related dependent packages. the simpl...
I want to implement the function of , which returns all questions under all tags that the user follows and sorts them in chronological order. Tag and Question are many-to-many, User and Question are one-to-many, and user and tag are many-to-many I ...
Flask sends QQ email too slowly (even asynchronously). The original 150ms response page has been changed to 5s by adding email. Do you have a solution that is relatively simple ? now I am very confused that since I have opened a new thread to send em...
Ladies and Gentlemen, I want to use vuejs,element ui, background flask to develop a website similar to Xiaonei. just started to introduce files such as vue.js,element.css directly into the html page of the home page, and designed a draft of the layout ...
form class: from flask_wtf import FlaskForm from wtforms import StringField,PasswordField,BooleanField,SubmitField from wtforms.validators import DataRequired,Length class LoginForm(FlaskForm): username = StringField( : ,validators=[DataRequired...
when I was learning flask, I came across the extension flask-login. I don t understand the user_loader decorator very much. query many articles questions and answers all mentioned that the decorator user_loader assigns the decorative function to sel...
how to get the value of csrf_token on the backend using flask-wtforms ...
flask is used in python. There is a page that uses xlrd to parse the data timeout of an 80,000 excel. Is there any way not to time out? the code is as follows @app.route( import ) def import_xlsx(): -sharp conn = pymysql.connect(host= 192...
< H1 > user table < H1 > class User (db.Model): id = db.Column(db.Integer, primary_key=True) username = db.Column(db.String(40), unique=True) password = db.Column(db.String(128)) < H1 > order form < H1 > class User (db.Model): id = db.Column(...
problem description I also took a look at Baidu, saying that the stability of the built-in server is poor, and the concurrency is not high. But there is no specific summary, ask the great god. no, no, no. ...
like this, it s stuck here all the time. ...
recently, project development has encountered a very unreasonable problem. The problem reported is werkzeug.routing.BuildError: Could not build url for endpoint home.order .. Did you forget to specify values [ page ]? looking at the error report, ...
writes a simple Flask Web Application, but when Debug, all URL accesses return 404 Code Project: https: github.com jualy007 n... RuleMap contains many rule. Simply take a rule: Rule home (HEAD, OPTIONS, GET)-> home.hometest 127.0.0.1:8000 ...
after the database updates the data, there is no change after flask_admin refresh, and the database sqlserver2000 admin, refresh and no re-update I wonder where the cached data is, and I don t know what to do with it. I found it on the Interne...
the code is as follows: view.py . @ approval.route ( submit , methods= [ GET , POST ]) @ login_required def _ submit (): form = LEForm() if current_user.can(Permission.WRITE) and request.form.get( submit , None) == "": po...
Dropzoneflaskflask_dropzone...
deploy the flask project using centos7.6 supervisor, and the calling database always reports an exception SystemExit: 1 the exception code posted below 2018-12-25 20:59:46 [15759: Website Pilot app v0_1 user view.py:127] [ERROR] code_login Traceback (...
I use flask from werkzeug.security import generate_password_hash, check_password_hash encrypt the password registered by the user, and perform the password hash operation in the model User class User(Base): id = Column(Integer, primary_key=True) ...
use a simple java client to send a message after simulating the configuration of a kafka server, but without message storage, you can only see the error log all the time (the message is really not stored) kafka.common.KafkaException: Wrong request type...
problem description set up a number of Dropdown right-click pop-up menus, but when there is already a menu expansion, right-clicking other menus has no effect. You have to click the left button in the blank space and put away the original menu in orde...
as in the following code, I created a middleware and launched a browser in the _ _ init__ method. I want to update the agent of driver = webdriver.PhantomJS (service_args=service_args) through the process_request method, and how to change the code. cla...
as the title: how does the ajax of zepto obtain the http error code? to jump to the page according to the error code ...
use pyspider to call phantomjs to render the page. Error: "no response from phantomjs ", status code 599. Phantomjs works on the terminal, but an error is reported as soon as you use the pyspider call, and both pyspider and phantomjs search for the late...