Tutorial by Examples

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...

Consider the ranges A1:A3 and B1:B3 having the same size and only number values, as below =SUMPRODUCT(A1:A3,B1:B3) This will loop through the ranges, taking the product of values in the same row and summing them, returning 32 in this example. A1*B1 = 4 A2*B2 = 10 A3*B3 = 18

Consider the following ranges A1:A3 and B1:B3 as below =SUMPRODUCT(--(A1:A3="c"),B1:B3) This will first manipulate (A1:A3="c") into the following array A1="c" = FALSE A2="c" = FALSE A3="c" = TRUE Then apply the -- operator which converts...

With Azure PowerShell you can get certain functionality currently unavailable on Azure Portal, like: Reconfigure all Traffic Manager's endpoints at once Address other services via Azure ResourceId instead of domain name, so you don't need to set Location manually for Azure Endpoints Prerequis...

Go to https://bitbucket.org/dashboard/overview Login to your Bitbucket account Choose repositories from the top menu, then choose Create Repository Choose the owner, enter the repository name and select if you want to have it public or private repository Choose the repository type (Git or Merc...

Sometimes you need to make a script for someone but you are not sure what he has on his machine. Is there everything that your script needs? Not to worry. Bundler has a great function called in line. It provides a gemfile method and before the script is run it downloads and requires all the necessa...

Go to the repository you want to clone (something like: https://bitbucket.org/username/repo) On the left side, click on ... and choose Clone A small window will appear, copy the url (something like: git clone https://[email protected]/hamzawey/vm_dop_experiment.git) Open a terminal windo...

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...

Unlike the .xs method, this allows you to assign values. Indexing using slicers is available since version 0.14.0. 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'...

Add the autodoc module in the extensions list present in the conf.py file at the root of your documentation: extensions = [ 'sphinx.ext.autodoc', ... ]

Autodoc needs to imports your modules to work. You can include your code path in your conf.py file. For instance: import os sys.path.insert(0, os.path.abspath('../src'))

Detailed instructions on getting uikit set up or installed.

UIKit is the iOS framework that implements the standard UI components for iOS applications. Building an app with UIKit is trivially easy. In all cases you'll use Xcode, Apple's IDE for developing for iOS and macOS. In Swift, you just put the statement import UIKit At the top of a each source f...

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>