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How to use concerns in Rails 4
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As an example, I'll put one well known pattern, the taggable pattern:
# app/models/product.rb
class Product
include Taggable
...
end
# app/models/concerns/taggable.rb
# notice that the file name has to match the module name
# (applying Rails conventions for autoloading)
module Taggable
e...
Meaning of Choreographer messages in Logcat [duplicate]
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Choreographer lets apps to connect themselves to the vsync, and properly time things to improve performance.
Android view animations internally uses Choreographer for the same purpose: to properly time the animations and possibly improve perfor...
node.js, socket.io with SSL
...is how I managed to set it up with express:
var fs = require( 'fs' );
var app = require('express')();
var https = require('https');
var server = https.createServer({
key: fs.readFileSync('./test_key.key'),
cert: fs.readFileSync('./test_cert.crt'),
ca: fs.readFileSync('./test_ca.c...
What is two way binding?
...(say, by the user) are immediately reflected in the underlying model. When app data changes, so does the UI, and conversely.
This is a very solid concept to build a web application on top of, because it makes the "Model" abstraction a safe, atomic data source to use everywhere within the applicatio...
Foreign key from one app into another in Django
...ey in a models.py file in Django that is a reference to a table in another app?
3 Answers
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Error: Configuration with name 'default' not found in Android Studio
...w assembleDebug. You can do it from Android Studio or an external terminal app.
– eleven
Apr 15 '15 at 12:40
Can you p...
Easy way to see saved NSUserDefaults?
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You can find the pList file for your app in the simulator if you go to:
/users/your user name/Library/Application Support/iPhone Simulator/<Sim Version>/Applications
This directory has a bunch of GUID named directories. If you are working on a few apps ...
Spring Boot - Cannot determine embedded database driver class for database type NONE
This is the error that is thrown when trying to run my web app:
33 Answers
33
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How to create local notifications?
How can I setup local notifications so that at the time I set, my app generates a notification/alert with a customized message?
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Can I avoid the native fullscreen video player with HTML5 on iPhone or android?
I've built a web app that uses the HTML5 tag and JavaScript code that renders other content synchronized with the running video. It works great in desktop browsers: Firefox, Chrome, and Safari. On an iPhone or a DroidX, the native video player pops up and takes over the screen, thus obscuring the o...