Tutorial by Examples: ti

In barplot, factor-levels are placed on the x-axis and frequencies (or proportions) of various factor-levels are considered on the y-axis. For each factor-level one bar of uniform width with heights being proportional to factor level frequency (or proportion) is constructed. The barplot() function...

The Vector3 structure contains some static variables that provide commonly used Vector3 values. Most represent a direction, but they can still be used creatively to provide additional functionality. Vector3.zero and Vector3.one Vector3.zero and Vector3.one are typically used in connection to a...

HTTPS (Hypertext Transfer Protocol Secure) is an encrypted version of HTTP protocol, most often used in connection with services where only the sender and receiver must know the message. It's required if you handle credit card information, and will improve your rank on Google. To enable HTTPS you n...

The code below calculates the value of PI using a recursive approach. Modify the MAX_PARALLEL_RECURSIVE_LEVEL value to determine at which recursion depth stop creating tasks. With this approach to create parallelism out of recursive applications: the more tasks you create, the more parallel tasks cr...

Detailed instructions on getting sonata-admin set up or installed.

Probably the easiest choice, but beware, the version is not always the newest one. Just open up terminal and type (depending on your distribution) in Debian or Ubuntu using apt $> sudo apt install ruby in CentOS, openSUSE or Fedora $> sudo yum install ruby You can use the -y option so...

Probably the easies way to set up ruby on windows is to go to http://rubyinstaller.org/ and from there donwload an executable that you will install. You don't have to set almost anything, but there will be one important window. It will have a check box saying Add ruby executable to your PATH. Confi...

First UC in the example Gems $> gem install nokogiri can have a problem installing gems because we don't have the permissions for it. This can be sorted out in more then just one way. First UC solution a: U can use sudo. This will install the gem for all the users. This method should be frowne...

In [1]: import pandas as pd import numpy as np arrays = [['bar', 'bar', 'baz', 'baz', 'foo', 'foo', 'qux', 'qux'], ['one', 'two', 'one', 'two', 'one', 'two', 'one', 'two']] idx_row = pd.MultiIndex.from_arrays(arrays, names=['Row_First', 'Row_Second']) idx_col = pd.MultiIndex.from_pro...

Detailed instructions on getting uikit set up or installed.

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...

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...

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, ...

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...

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...

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...

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

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...

MongoDB supports multiple authentication mechanisms. Client and User Authentication Mechanisms SCRAM-SHA-1 X.509 Certificate Authentication MongoDB Challenge and Response (MONGODB-CR) LDAP proxy authentication, and Kerberos authentication Internal Authentication Mechan...

Detailed instructions on getting arraylist set up or installed.