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Why does my JavaScript code receive a “No 'Access-Control-Allow-Origin' header is present on the req
...sk-cors
$ pip install -U flask-cors
Then include the Flask cors in your application.
from flask_cors import CORS
A simple application will look like:
from flask import Flask
from flask_cors import CORS
app = Flask(__name__)
CORS(app)
@app.route("/")
def helloWorld():
return "Hello, cross-...
Type.GetType(“namespace.a.b.ClassName”) returns null
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Thanks, it works for App_Code folder. Example : Type.GetType("TypeName,App_Code");
– Burak Koray Balcı
Feb 16 '17 at 11:05
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PostgreSQL error 'Could not connect to server: No such file or directory'
...e in my project or even try most database tasks for my Ruby on Rails 3.2 applications.
22 Answers
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How do you tell the Visual Studio project type from an existing Visual Studio project
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In the project XML files:
Console applications contain:
<OutputType>Exe</OutputType>
WinForms applications contain:
<OutputType>WinExe</OutputType>
Library (.dll) projects contain:
<OutputType>Library</OutputType>
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How to change a TextView's style at runtime
I have an android app on which, when the user taps a TextView , I would like to apply a defined style.
8 Answers
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“Too many values to unpack” Exception
...Values()
ValueError: too many values to unpack
Now, the reason why this happens in your case, I don't know, but maybe this answer will point you in the right direction.
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What is the difference between Gemfile and Gemfile.lock in Ruby on Rails
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That's how it should work -- but apparently the Gemfile.lock includes 'open' versions in some cases (e.g. rails (4.0.0) requires bundler (>= 1.3.0, < 2.0)), which causes problems. Any idea how to avoid those 'open' dependencies?
–...
iPhone system font
...tones.html
For iOS9 it has changed to San Fransisco. See http://developer.apple.com/fonts for more info.
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Flask-SQLalchemy update a row's information
...ask
from flask.ext.sqlalchemy import SQLAlchemy
from pprint import pprint
app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqllite:////tmp/users.db'
db = SQLAlchemy(app)
class User(db.Model):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(80), unique...
Recursion in Angular directives
... compiledContents(scope, function(clone){
element.append(clone);
});
// Call the post-linking function, if any
if(link && link.post){
link.post.apply(null, arguments);
...