Tutorial by Examples: r

Radio Button list and Check Box list

A radio button list presents a list of mutually exclusive options. A check box list presents a list of independent options. These controls contain a collection of ListItem objects that could be referred to through the Items property of the control. Basic syntax of radio button list: <asp:RadioB...

Bulleted lists and Numbered lists

The bulleted list control creates bulleted lists or numbered lists. These controls contain a collection of ListItem objects that could be referred to through the Items property of the control. Basic syntax of a bulleted list: <asp:BulletedList ID="BulletedList1" runat="server&quo...

HyperLink Control

The HyperLink control is like the HTML element. Basic syntax for a hyperlink control: <asp:HyperLink ID="HyperLink1" runat="server"> HyperLink </asp:HyperLink> It has the following important properties: PropertiesDescriptionImageUrlPath of the image to be ...

Image Control

The image control is used for displaying images on the web page, or some alternative text, if the image is not available. Basic syntax for an image control: <asp:Image ID="Image1" runat="server"> It has the following important properties: PropertiesDescriptionAlternat...

Basic Site Crawl

pages = [] crawler = Anemone::Core.new(url, options) crawler.on_every_page do |page| results << page.url end crawler.run

Form inputs

Ionic inputs are no different from normal HTML inputs but they are styled differently and used as a directive. You can also use normal HTML inputs in Ionic apps. Here are some basic examples that Ionic offers ready-to-go. Checkbox: <ion-checkbox ng-model="checkbox">Label</ion-ch...

Setting up an HTTPS server

Once you have node.js installed on your system, just follow the procedure below to get a basic web server running with support for both HTTP and HTTPS! Step 1 : Build a Certificate Authority create the folder where you want to store your key & certificate : mkdir conf go to tha...

Hello world

Initial starting point for iron-data-table. Working jsBin <!DOCTYPE html> <html> <head> <base href="https://polygit.org/polymer+:master/iron-data-table+Saulis+:master/components/"> <link rel="import" href="polymer/polymer.html&quo...

CSS import

Import external style sheet. Working jsBin <!DOCTYPE html> <html> <head> <base href="https://polygit.org/polymer+:master/iron-data-table+Saulis+:master/components/"> <link rel="import" href="polymer/polymer.html"> ...

Row details

Expand row details to display additional data. Working jsBin <!DOCTYPE html> <html> <head> <base href="https://polygit.org/polymer+:master/iron-data-table+Saulis+:master/components/"> <link rel="import" href="polymer/polymer.html&...

Edit row details

Working jsBin <!DOCTYPE html> <html> <head> <base href="https://polygit.org/polymer+:master/iron-data-table+Saulis+:master/components/"> <link rel="import" href="polymer/polymer.html"> <script src="webcom...

Edit row details using sub-element

This example uses a separate element to edit bound data to the row-detail template. Working jsBin <!DOCTYPE html> <html> <head> <base href="https://polygit.org/polymer+:master/iron-data-table+Saulis+:master/components/"> <link rel="import&q...

Select row, prevent deselection

Default behavior is to de-select row when clicked twice. In some use cases, you might want to disable this de-selecting behavior. Note table.deselectItem(item) method will imperatively deselect an item. This works with both item or index (when using items array) as an argument. Working jsBin &lt...

Accessing query results

Once you have a query, you can do more with it than just iterating the results in a for loop. Setup: from datetime import date class User(Base): __tablename__ = 'users' id = Column(Integer, primary_key=True) name = Column(Text, nullable=False) birthday = Column(Date) # ...

Hello World

start Octave by running the command octave (the executable should be in your path) type disp('Hello, World!') at the Octave command prompt >> disp('Hello, World!') Hello, World!

Reading commands from a script file

Octave commands can be saved in a file and evaluated by loading the file using source. For instance, let hello.m be the text file containing two lines (the first line is a comment) # my first Octave program disp('Hello, World!') If you type source hello.m at an Octave command prompt you will g...

Matrices

Create a 2x3 matrix. Each row is a comma-separated list of elements. Rows are separated by a semicolon. A = [1, 2, 3; 4, 5, 6] # A = # # 1 2 3 # 4 5 6 Sum of two matrices B = [1, 1, 1; 1, 1, 1] # B = # # 1 1 1 # 1 1 1 A+B # ans = # # 2 3 4 # ...

Simple Dockerfile

# Base image FROM python:2.7-alpine # Metadata MAINTAINER John Doe <[email protected]> # System-level dependencies RUN apk add --update \ ca-certificates \ && update-ca-certificates \ && rm -rf /var/cache/apk/* # App dependencies COPY requirements....

Alternative async tracking snippet

While the JavaScript tracking snippet described above ensures the script will be loaded and executed asynchronously on all browsers, it has the disadvantage of not allowing modern browsers to preload the script. The alternative async tracking snippet below adds support for preloading, which will pr...

What data does the tracking snippet capture?

When you add either of these tracking snippets to your website, you send a pageview for each page your users visit. Google Analytics processes this data and can infer a great deal of information including: The total time a user spends on your site. The time a user spends on each page and in what o...

Page 671 of 1016

logo rip
SUPPORT & PARTNERS
STAY CONNECTED

Get monthly updates about new articles, cheatsheets, and tricks.