Tutorial by Examples: c

Selection of cross-sections using .xs

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...

pandas • Cross sections of different axes with MultiIndex

Using .loc and slicers

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'...

pandas • Cross sections of different axes with MultiIndex

Installing the autodoc extension

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

python-sphinx • Writing docstrings using autodoc

Adding your code path in the sphinx config

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'))

python-sphinx • Writing docstrings using autodoc

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

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

Syntax Reference

You can use @Value("#{expression}") to inject value at runtime, in which the expression is a SpEL expression. Literal expressions Supported types include strings, dates, numeric values (int, real, and hex), boolean and null. "#{'Hello World'}" //strings "#{3.1415926}&qu...

spring • Spring Expression Language (SpEL)

These are the basics.

JVM is an abstract computing machine or Virtual machine that resides in your RAM. It has a platform-independent execution environment that interprets Java bytecode into native machine code. (Javac is Java Compiler which compiles your Java code into Bytecode) Java program will be running inside the...

Java Language • Java Virtual Machine (JVM)

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

Basic Pane

import React from 'react'; class Pane extends React.Component { constructor(props) { super(props); } render() { return React.createElement( 'section', this.props ); } }

React • User interface solutions

Authentication Mechanisms

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...

MongoDB • Authentication Mechanisms in MongoDB

which

To determine where on your system an executable in your path exists, use the which command: $ which python $ If there is no response, that executable does not exist in your path. The system will simply return you a new prompt without an error message. If the executable does exist on your path, ...

unix • Basic console commands

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