Tutorial by Examples: in

Using the 'predict' function

Once a model is built predict is the main function to test with new data. Our example will use the mtcars built-in dataset to regress miles per gallon against displacement: my_mdl <- lm(mpg ~ disp, data=mtcars) my_mdl Call: lm(formula = mpg ~ disp, data = mtcars) Coefficients: (Intercep...

R Language • Linear Models (Regression)

Getting started with Bitbucket - Create an account

Create an account Go to https://bitbucket.org/ Click on Get Started on the top right corner Enter your email address, and click continue Enter your full name, password and verification code. Then click Continue An email will be sent to you to verify that you created your account After that...

bitbucket • Getting started with bitbucket

How to add users and groups to an existing Bitbucket repository

Go to the Bitbucket repository you want to add users to. On the left, go to Settings (the last icon on the bottom left). Select Users and group access. Under Users, start typing the name or email address of the user whom you want to add. Select the privilege you want to grant that user (Read, ...

bitbucket • Add collaborators to a repository

Passing a Switch parameter using Splatting

To use Splatting to call Get-Process with the -FileVersionInfo switch similar to this: Get-Process -FileVersionInfo This is the call using splatting: $MyParameters = @{ FileVersionInfo = $true } Get-Process @MyParameters Note: This is useful because you can create a default set of p...

PowerShell • Splatting

Multi window signal slot connection

A simple multiwindow example using signals and slots. There is a MainWindow class that controls the Main Window view. A second window controlled by Website class. The two classes are connected so that when you click a button on the Website window something happens in the MainWindow (a text label i...

Qt • Signals and Slots

1:setting up the views

var express=require("express"); //express is included var path=require("path"); //path is included var app=express(); //app is an Express type of application app.set("views",path.resolve(__dirname,"views")); //tells express about the locati...

express • View engine setup

2.EJS file example(refer 1.setting up... before this)

the following is an ejs file. <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Hello, world!</title> </head> <body> <%= message %> </body> </html>

express • View engine setup

3.rendering view with express(refer 2.EJS file... before this)

app.get("/",function(req,res){ response.render("index",{ //render the index when root(/) is requested message:"rendered view with ejs" }); });

express • View engine setup

4.after rendering final HTML is created(refer 3.rendering... before this)

<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Hello, world!</title> </head> <body> message:"rendered view with ejs" </body> </html>

express • View engine setup

How to find what frameworks are available in the current version of Rails?

Use the config.frameworks option to get an array of Symbols that represent each framework.

Ruby on Rails • Rails frameworks over the years

Rails versions in Rails 1.x

ActionMailer ActionPack ActionWebService ActiveRecord ActiveSupport Railties

Ruby on Rails • Rails frameworks over the years

Rails frameworks in Rails 2.x

ActionMailer ActionPack ActiveRecord ActiveResource (ActiveWebService was replaced by ActiveResource, and with that, Rails moved from SOAP to REST by default) ActiveSupport Railties

Ruby on Rails • Rails frameworks over the years

Rails frameworks in Rails 3.x

ActionMailer ActionPack ActiveModel ActiveRecord ActiveResource ActiveSupport Railties

Ruby on Rails • Rails frameworks over the years

Introduction

There are currently three topics introducing Outlook VBA and at least three more are planned. Part 1 describes how to get access to the Visual Basic Editor. If you are a user of Outlook 2003 and a user of Excel VBA, you will learn little for this part since accessing the Outlook Visual Basic Edito...

outlook-vba • Getting started with outlook-vba

Build-in Roles

Built-in database user roles and database administration roles roles exist in each database. Database User Roles read readwrite

MongoDB • MongoDB Authorization Model

Installation or Setup

Detailed instructions on getting arraylist set up or installed.

arraylist • Getting started with arraylist

Installation or Setup

Detailed instructions on getting Flash set up or installed.

Flash • Getting started with Flash

Getting Started with BigCommerce

Go to the BigCommerce homepage. Enter a store name in the field labeled Create your store name, then click Start my free trial now. Your store name can be changed at any time after starting your trial. Fill out the new trial store form, then click Create my store now. Once yo...

bigcommerce • Getting started with bigcommerce

Iterating over object properties

<div ng-repeat="(key, value) in myObj"> ... </div> For example <div ng-repeat="n in [42, 42, 43, 43]"> {{n}} </div>

AngularJS • ng-repeat

Tracking and Duplicates

ngRepeat uses $watchCollection to detect changes in the collection. When a change happens, ngRepeat then makes the corresponding changes to the DOM: When an item is added, a new instance of the template is added to the DOM. When an item is removed, its template instance is removed from the DOM...

AngularJS • ng-repeat