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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-...
Best database field type for a URL
...rmance issues, and a huge VARCHAR sounds like overkill for most cases.
My approach: use a generous, but not unreasonably large VARCHAR length, such as VARCHAR(500) or so, and encourage the users who need a larger URL to use a URL shortener such as safe.mn.
The Twitter approach: For a really nice ...
Android WebView: handling orientation changes
...anifest:
<activity android:name="..."
android:label="@string/appName"
android:configChanges="orientation|screenSize"
for more info see:
http://developer.android.com/guide/topics/resources/runtime-changes.html#HandlingTheChange
https://developer.android.com/reference/androi...
Error while installing json gem 'mkmf.rb can't find header files for ruby'
...
For Xcode 11 on macOS 10.14, this can happen even after installing Xcode and installing command-line tools and accepting the license with
sudo xcode-select --install
sudo xcodebuild -license accept
The issue is that Xcode 11 ships the macOS 10.15 SDK which in...
How to convert a SVG to a PNG with ImageMagick?
... On OSX, with Inkscape installed for X11, it worked for me using: /Applications/Inkscape.app/Contents/Resources/bin/inkscape -z -e test.png -w 1024 -h 1024 test.svg
– chmullig
Mar 14 '14 at 0:26
...
ActionBarCompat: java.lang.IllegalStateException: You need to use a Theme.AppCompat
I am getting a RuntimeException on Android 2.3.5 but I am using Theme.AppCompat (res/values/themes.xml). This is the phone: http://www.gsmarena.com/samsung_galaxy_y_s5360-4117.php
...
Find out who is locking a file on a network share
...
I used an application called Unlocker to do this (the file was on the NAS). The app is here: filehippo.com/download_unlocker/tech and it worked for me but I can't vouch for this app
– Dan
Aug 17 ...
Java lib or app to convert CSV to XML file? [closed]
Is there an existing application or library in Java which will allow me to convert a CSV data file to XML file?
16 ...
Should “node_modules” folder be included in the git repository
...
The answer is not as easy as Alberto Zaccagni suggests. If you develop applications (especially enterprise applications), including node_modules in your git repo is a viable choice and which alternative you choose depends on your project.
Because he argued very well against node_modules I will ...
Angularjs - ng-cloak/ng-show elements blink
...ref="/foo" ng-cloak>{{bar}}</a></li>
</ul>
and you happen to be using bootstrap.css, the following selector is more specific for your ng-cloak'ed element
.nav > li > a {
display: block;
}
So if you include a rule with simply display: none;, Bootstrap's rule will tak...