Tutorial by Examples: l

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

Installation or Setup

Detailed instructions on getting uikit set up or installed.

uikit • Getting started with uikit

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

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

Panel

import React from 'react'; class Panel extends React.Component { constructor(props) { super(props); } render(...elements) { var props = Object.assign({ className: this.props.active ? 'active' : '', tabIndex: -1 }, this.prop...

React • User interface solutions

PanelGroup

import React from 'react'; import Tab from './Tab.js'; class PanelGroup extends React.Component { constructor(props) { super(props); this.setState({ panels: props.panels }); } render() { this.tabSet = []; this.panelSet = ...

React • User interface solutions

Example view with `PanelGroup`s

import React from 'react'; import Pane from './components/Pane.js'; import Panel from './components/Panel.js'; import PanelGroup from './components/PanelGroup.js'; class MainView extends React.Component { constructor(props) { super(props); } render() { return...

React • User interface solutions

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

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