Tutorial by Examples: re

Example to retrieve local entry from sequences

In WSO2 registry is a content store and a metadata repository. In WSO2 products and particularly WSO2 ESB uses registry to store metadata, artifacts (WSDL, XSD etc.,) and other service configurations like endpoints, sequences etc., Registry in WSO2 ESB has three flavours. Local registry Config...

wso2esb • WSO2 ESB - Local entries

Frozenset's are immutable and not assignable

foo = frozenset(["bar", 1, "Hello!"]) foo[2] = 7 # ERROR foo.add(3) # ERROR Second line would return an error since frozenset members once created aren't assignable. Third line would return error as frozensets do not support functions that can manipulate members.

Python Language • Immutable datatypes(int, float, str, tuple and frozensets)

REPLACE text manipulation sample

REPLACE ==magic-number== BY ==65535==.

cobol • REPLACE directive

REWRITE of records in a RELATIVE access file

GCobol >>SOURCE FORMAT IS FIXED *> *************************************************************** *> Purpose: RELATIVE file organization REWRITE example *> Tectonics: cobc -g -debug -W -x relatives.cob *> *********************************************...

cobol • REWRITE statement

SET pointer example

SET handle TO returned-pointer SET handle UP BY LENGTH(returned-pointer) SET ADDRESS OF buffer-space TO handle MOVE buffer-space TO work-store DISPLAY "Second element is " work-store

cobol • SET statement

std::setprecision

When used in an expression out << setprecision(n) or in >> setprecision(n), sets the precision parameter of the stream out or in to exactly n. Parameter of this function is integer, which is new value for precision. Example: #include <iostream> #include <iomanip> #include...

C++ • std::iomanip

SUPPRESS example

SUPPRESS PRINTING

cobol • SUPPRESS statement

UNLOCK record from a file connector

UNLOCK filename-1 RECORDS

cobol • UNLOCK statement

Rendering components

There are two options to render components on server: renderToString and renderToStaticMarkup. renderToString This will render React components to HTML on server. This function will also add data-react- properties to HTML elements so React on client won't have to render elements again. import { r...

React • Introduction to Server-Side Rendering

React Routing Async

import React from 'react'; import { Route, IndexRoute } from 'react-router'; import Index from './containers/home'; import App from './components/app'; //for single Component lazy load use this const ContactComponent = () => { return { getComponent: (location, callback)=> { ...

React • React Routing

Simple React Component

We want to be able to compile below component and render it in our webpage Filename: src/index.jsx import React from 'react'; import ReactDOM from 'react-dom'; class ToDo extends React.Component { render() { return (<div>I am working</div>); } } ReactDOM.re...

React • Setting Up React Environment

Configure webpack

Create a file webpack.config.js in the root of your working directory Filename: webpack.config.js module.exports = { entry: __dirname + "/src/index.jsx", devtool: "source-map", output: { path: __dirname + "/build", filename: "bund...

React • Setting Up React Environment

Configure babel

Create a file .babelrc in the root of our working directory Filename: .babelrc { "presets": ["es2015","react"] }

React • Setting Up React Environment

HTML file to use react component

Setup a simple html file in the root of the project directory Filename: index.html <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> </head> <body> <div id="App"></div> ...

React • Setting Up React Environment

How to allow reading specific item from group, but prevent listing group members

It is common practice to create groups of items by creating simple value nodes with item ID as key. For example, we can add a user to the group "administrators" by creating a node at /administrators/$user_id with a value true. We don't want anyone to know who administrators are, for securi...

firebase • Database Rules

Phaser environment setup (Asp.Net MVC5 - Typescript - Visual Studio 2015)

Create a new ASP.Net Project: Select the empty template: Add two new folders: App and Scripts in the root folder: Add npm configuration file in the root folder: { "version": "1.0.0", "name": "phaser.js.environment.setup", "priva...

phaser-framework • Working with TypeScript

B - Rendering the basic google map

Getting You Browser Ready - Polyfill it Create a new landing page for our element, at index.html. Include polyfills for a custom element to work.Also import the custom element g-map, which we registered with Polymer. Note: Webcomponents, are the necessary polyfill for browser support. Polym...

polymer • Google Map Mark With Built in Cache

D - Caching Search Results

Our goal however, was to make a list of places mark all of them on the map and, mark any other place of our choice, by using the search box We have a search box, where the user can search for one query at a time.In order to accommodate multiple queries, we need to cache the results for each ...

polymer • Google Map Mark With Built in Cache

Options in for comprehensions

Options have a flatMap method. This means they can be used in a for comprehension. In this way we can lift regular functions to work on Options without having to redefine them. val firstOption: Option[Int] = Option(1) val secondOption: Option[Int] = Option(2) val myResult = for { firstValue ...

Scala Language • Option Class

create css/js specific to a platform (android/ios)

Let say you want to create css/js file specific to a platform. For that you have to create a merges folder in root folder of you cordova porject. In merges folder create directory for each platform (android/ios..). then in specific platform folder create a css/js folder and put your css/js file spec...

Cordova • How to customize platform specific www folder in cordova