Tutorial by Examples: e

Each React Native component can take a style prop. You can pass it a JavaScript object with CSS-style style properties: <Text style={{color:'red'}}>Red text</Text> This can be inefficient as it has to recreate the object each time the component is rendered. Using a stylesheet is pref...

import React, { Component } from 'react'; import { View, Text, StyleSheet } from 'react-native'; const styles = StyleSheet.create({ red: { color: 'red' }, big: { fontSize: 30 } }); class Example extends Component { render() { return ( ...

You can pass an array to the style prop to apply multiple styles. When there is a conflict, the last one in the list takes precedence. import React, { Component } from 'react'; import { View, Text, StyleSheet } from 'react-native'; const styles = StyleSheet.create({ red: { color: ...

ColumnColumn AExample formulaExample formulaRow 12Row 23Row 35=A1+A2=Sum(A1,A2)

You can call the CEE3DLY service in 24- 31- or 64- bit mode to delay a task to the nearest second. It is CICS save and will only delay the thread. An example: IDENTIFICATION DIVISION. PROGRAM-ID. SLEEPYTM. ENVIRONMENT DIVISION. DATA DIVISION. WORKING-STORAGE SECTION. ...

Before running gulp you need to install Node.JS and npm The head of the Gulp.js is: var gulp = require('gulp'); clean = require('gulp-clean'); // A gulp plugin for removing files and folders. imagemin = require('gulp-imagemin'); // Minify PNG, JPEG, GIF and SVG images Then assign path...

Before starting gulp we need to install node.js and npm. Then install gulp-sacc $ npm i gulp-sass --save-dev // i = install Gulp Head var gulp = require('gulp'); // Requires the gulp-sass plugin var sass = require('gulp-sass'); Gulp Body gulp.task('sass', function(){ return gulp.src('...

One way to avoid deep nesting (as recommended above) is to generate the collection actions scoped under the parent, so as to get a sense of the hierarchy, but to not nest the member actions. In other words, to only build routes with the minimal amount of information to uniquely identify the resource...

Run grunt -h to see the following: Command line parameters All available standalone tasks in the Gruntfile of the current directory All subtasks of each suite of tasks in the Gruntfile of the current directory

VBScript is a weakly typed language; variables are all of type variant, though they usually have an implied subtype denoting the data they hold. This means that your variable, no matter what you call it, can hold any value: Dim foo foo = "Hello, World!" foo = 123.45 foo = #01-Jan-2016...

Objects like numbers, lists, dictionaries,nested structures and class instance objects live in your computer’s memory and are lost as soon as the script ends. pickle stores data persistently in separate file. pickled representation of an object is always a bytes object in all cases so one must ope...

Save data to and from file import pickle def save(filename,object): file=open(filename,'wb') pickle.dump(object,file) file.close() def load(filename): file=open(filename,'rb') object=pickle.load(file) file.close() return object >>>list_object=[1,...

Unity is an xUnit-style test framework for unit testing C. It is written completely in C and is portable, quick, simple, expressive and extensible. It is designed to especially be also useful for unit testing for embedded systems. A simple test case that checks the return value of a function, might...

Example Controller action use Symfony\Component\HttpFoundation\Request; public function exampleAction(Request $request) { /* * First you need object ready for validation. * You can create new object or load it from database. * You need to add some constraints for this obj...

Usually we are not using second parameter in select([$select = '*'[, $escape = NULL]]) in CodeIgniter. If you set it to FALSE, CodeIgniter will not try to protect your field or table names. In the following example, we are going to select the datetime type field by formatting it using sql query an...

Warning message: typings WARN deprecated 10/25/2016: "registry:dt/jasmine#2.5.0+20161003201800" is deprecated (updated, replaced or removed) Update the reference with: npm run typings -- install dt~jasmine --save --global Replace [jazmine] for any library that is throwing warning

The syntactic sugar Most of the getting started examples of ExpressJs include this piece of code var express = require('express'); var app = express(); ... app.listen(1337); Well, app.listen is just a shortcut for: var express = require('express'); var app = express(); var http = require(...

A basic middleware is a function that takes 3 arguments request, response and next. Then by app.use, a middleware is mounted to the Express App Middlewares Stack. Request and response are manipulated in each middleware then piped to the next one through the call of next(). For example, the below c...

LibGDX is a free, open-source game-development library developed in Java. It's goals are to allow users to develop cross-platform games that run on desktop, Android, iOS, and web browsers. Write code once, deploy it to any of the major platforms.

Installing Gulp and His Tasks $ npm install gulp --save-dev $ npm install gulp-sass --save-dev $ npm install gulp-uglify --save-dev $ npm install gulp-imagemin --save-dev Determining Folder Structure In this structure, we will use the app folder for development purposes, while the dist folde...