Tutorial by Examples: io

// ember-cli-build.js /* global require, module */ var EmberApp = require('ember-cli/lib/broccoli/ember-app'); module.exports = function(defaults) { var app = new EmberApp(defaults, { // Add options here 'ember-cli-foundation-6-sass': { 'foundationJs': [ ...
1. Enable Flat Categories and Products One of the top reasons of Magento speed issues with database read speed. To fasten the read speed of the database you should enable Flat Catalog. This will minify the number of database joins done when showing products and due to that the MySQL query complexit...
We’ll first go over gaze-based interactions. Gaze-based interactions rely on rotating our heads and looking at objects to interact with them. This type of interaction is for headsets without a controller. Even with a rotation-only controller (Daydream, GearVR), the interaction is still similar. Sinc...
To position the camera, set the position on a wrapper . Don’t set the position directly on the camera primitive because controls will quickly override the set position: <a-entity position="0 0 5"> <a-camera></a-camera> </a-entity>
Detailed instructions on getting google-cloud-dataflow set up or installed.
Detailed instructions on getting nsurlsession set up or installed.
The following are some of the common extensions used in Fortran source files and the functionalities they can work on. Lowercase f in the extension These files do not have the features of preprocessor directives similar to C-programming language. They can be directly compiled to create object file...
In this example, a sine curve and a cosine curve are plotted in the same figure by superimposing the plots on top of each other. # Plotting tutorials in Python # Adding Multiple plots by superimposition # Good for plots sharing similar x, y limits # Using single plot command and legend import...
Similar to the previous example, here, a sine and a cosine curve are plotted on the same figure using separate plot commands. This is more Pythonic and can be used to get separate handles for each plot. # Plotting tutorials in Python # Adding Multiple plots by superimposition # Good for plots sha...
Because Node.js runs on a single process uncaught exceptions are an issue to be aware of when developing applications. Silently Handling Exceptions Most of the people let node.js server(s) silently swallow up the errors. Silently handling the exception process.on('uncaughtException', functio...
Detailed instructions on getting indexeddb set up or installed.
Seismic is an Android device shake detection library by Square. To use it just start listening to the shake events emitted by it. @Override protected void onCreate(Bundle savedInstanceState) { sm = (SensorManager) getSystemService(SENSOR_SERVICE); sd = new ShakeDetector(() -> { /* rea...
Detailed instructions on getting vector set up or installed.
pry is a powerful tool that can be used to debug any ruby application. Setting up a ruby-on-rails application with this gem is very easy and straightforward. Setup To start debugging your application with pry Add gem 'pry' to the application's Gemfile and bundle it group :development, :test ...
In order to trigger a "upgradeneeded" event you need to request the database with version higher than the current version - otherwise the event won't be triggered. function createTable(dbName, dbversion, tableName) { var request = indexedDB.open(dbName, dbversion); request.onupgrade...
This is a more generic solution applicable in system where the user has option to add indexes to the table that he uses: function createTable(dbName, tableName) { var request = indexedDB.open(dbName); request.onsuccess = function (e){ var database = e.target.result; var version = p...
Node js code Sample to start this topic is Node.js server communicating with Arduino via serialport. npm install express --save npm install serialport --save Sample app.js: const express = require('express'); const app = express(); var SerialPort = require("serialport"); var po...
Suppose we have this source file that we would like to split: cat -n sourcefile 1 On the Ning Nang Nong 2 Where the Cows go Bong! 3 and the monkeys all say BOO! 4 There's a Nong Nang Ning 5 Where the trees go Ping! 6 And the tea pots jibber jabber joo. 7 On the Nong Ning Nang Comma...
Snippet from MainPage.xaml <Page x:Class="MyNewApp.MainPage" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="using:MyNewApp" xmlns:d="http...

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