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Flask-SQLAlchemy select date is equal to today's data
ORM Model Tokens has a field that is the creation time, as follows:
create_time = db.Column(db.DateTime, nullable=False, default=datetime.now)
Screenshot in the database:
stackoverflowcast:
db.cast(t.create_time, db.DATE)print:
alone prin...
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How to use https? for Flask+gunicorn
deploy the Flask project using gunicorn on the remote Linux Ubuntu server, but not using Nginx for the time being. For the Baidu Cloud domain name bought by , I applied for a free SSL certificate. There are three files downloaded with the exten...
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Polling problems after calling selenium with Flask
I am writing a web page panel of selenium crawler, using flask to control some behavior of selenium. The target web page needs to scan the QR code to log in, and now the card is at this stage after scanning the QR code, because I can t figure out how t...
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How to obtain POST application/x-www-form-urlencoded data in separate and cross-domain Flask projects
Flask framework, items are separated before and after . Cannot get data for fetch, backend post; specific symptoms:
1. getpost;
2. request.form
3. segmentfault;
4.
POST
Formdata
username: aaa
password: 1...
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After flask modifies the default port
1. Py2.7,flask framework used by the development environment in pycharm, 2. During development, you create the flask project directly in pycharm code as follows: 3. The phenomenon is that the port is specified or the ip is set together with the port ...
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How to understand the parameters of blueprint in flask
:
|--hello.py
|--admin
|--__init__.py
|--admin.py
hello.py
from flask import Flask
from admin.admin import admin
app = Flask(__name__)
app.register_blueprint(admin, url_prefix= admin )
admin.py
from flask import Blueprint
admin =...
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The time problem of django
define in models.py
jiezhi_date = models.DateTimeField (blank = True, null = True, db_index = True, verbose_name = _ (u information cutoff ))
in the template:
< div style= "color:-sharpA8B1BA; " class= "text " > deadline: {{form.jiezhi_date}}...
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I want to write a crawler using flask and start it by clicking the button at the front.
I want to use flask to write a crawler, start it by clicking the button at the front, and then save the crawled content in the database, and the front end to display the data. is mainly about how to call the crawler. Give me an idea. Thank you ....
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The question of the separation of the front and rear ends
recently, I was learning the flask framework. When I came into contact with the concept of "separation of front and rear ends ", I was very curious. I checked on the Internet and said that the front and rear ends exchange data through JSON. My personal ...
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Heroku failed to deploy flask
according to the code of Dog Book, the program push to heroku master, was successfully run as a result of heroku run python flasky.py deploy failure error report is as follows: File " app .heroku python lib python3.6 site-packages alembic script bas...
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Flask executes the command and returns
1. At present, I have made a web version of the command execution using falsk-socketio, but it is found that it cannot be line-by-line .
def shell(cmd, kwargs):
print( >>>>>>>>> :%s % cmd)
program_name = kwargs.get(...
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When Flask uwsgi is configured, flask module cannot be found, virtualenv is already configured
I wrote a simple background with the flask framework, the project is written by pycharm, the virtual environment is automatically configured by pycharm when developing, and the project directory is as follows.
app
_ _ init__.py
match
_ _ in...
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Python2.7 flask uwsgi nginx configuration cannot find unable to load app 0
I have a server of Tencent Cloud. I use flask,uwsgi,nginx to build a server. is written like this according to the method on the Internet. my nginx configuration is I modified this file etc nginx sites-enabled default
server {
listen 80;
s...
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How does flask handle POST requests?
I m reading the flask web development book, and I m confused about the processing logic of submitting forms to the server through POST. the following is a code snippet from the book, which is the view function: corresponding to the root path
@app.ro...
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How to use python to realize FTP transfer
the backend has many logs or files distributed on hundreds of servers. You want to use flask to build a service and request to input information such as ip, path and file name of the backend service, and use the service provided by flask to obtain the ba...
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How to make the webservice made by flask be called by java
receives a task to write a webservice, so that it can be called by java. In VS2015, I made webservice, with the FLASK module of PYTHON and tested successfully in the intranet, but the project file is not a WSDL file. What else do I need to do to achieve ...
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How to implement web terminal with Python?
I want to add web terminal, to python s web project so that it can connect to the server directly through web to achieve a function similar to that of a fortress machine. Baidu for a while, look at is written in tornado + xterm.js. Can I write it in fla...
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Flask did not refresh the content
my development environment is the vagrant virtual machine under linux. I configured the environment using flask+gunicorn+supervisor+nginx and successfully output hello world , below is my directory
where microblog is my project name, and app is ...
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How to jump directly to the authentication page after successful registration of flask?
now after registering to play, jump to the login screen, and then log in to authenticate. I feel redundant in this step. After successful registration, how can I jump directly to the authentication page and log in to the current registered user? This i...
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Flask returns Response in callback
I have a callback function that I want to encapsulate with Flask so that HTTP can be called. The code is as follows:
lib= c.CDLL( comparedFace.dll )
CALLBACKFUNC = c.CFUNCTYPE(None, c.c_int, c.c_char_p)
lib.startComparedFace.restype = c.c_int
lib.st...
