Tutorial by Examples: n

<Image style={[this.props.imageStyle]} source={this.props.imagePath ? this.props.imagePath : require('../theme/images/resource.png')} /> If the path is available in imagePath then it will be assigned to source else the default image path will be assigned.

let imagePath = require("../../assets/list.png"); <Image style={{height: 50, width: 50}} source={imagePath} /> From external resource: <Image style={{height: 50, width: 50}} source={{uri: userData.image}} />

Installation pip install Flask-SQLAlchemy Simple Model class User(db.Model): id = db.Column(db.Integer, primary_key=True) name = db.Column(db.String(80)) email = db.Column(db.String(120), unique=True) The code example above shows a simple Flask-SQLAlchemy model, we can add an ...

This following example is created by user Michael Dillon from this answer. Consider the following script: @set @junk=1 /* @echo off cscript //nologo //E:jscript %0 %* goto :eof */ //JScript aka Javascript here This script snippet does: Execute the cscript command which calls itsel...

As mentioned here, the old-school method to run another script is by using temporary files. Simple echo it into a file and then run it(and remove it optionally). Here's the basic concept: @echo off echo //A JS Comment > TempJS.js echo //Add your code>>TempJS.js cscript //nologo //e...

You can save a canvas to an image file by using the method canvas.toDataURL(), that returns the data URI for the canvas' image data. The method can take two optional parameters canvas.toDataURL(type, encoderOptions): type is the image format (if omitted the default is image/png); encoderOptions is ...

Detailed instructions on getting prism set up or installed.

Reverse proxies can detect if a client provides a X-Request-ID header, and pass it on to the backend server. If no such header is provided, it can provide a random value. map $http_x_request_id $reqid { default $http_x_request_id; ...

When using Django as a web service framework, the package django-log-request-id can be used to parse and log request IDs. Settings MIDDLEWARE_CLASSES = ( 'log_request_id.middleware.RequestIDMiddleware', # ... other middleware goes here ) LOGGING = { 'version': 1, 'disable_e...

My laptop is having Windows 10. Here i am giving steps that you can follow to test and learn Ansible. SOME THEORY For Ansible you need a Control Machine and a host(or hosts) to run the Playbook. Control Machine should be Linux based or MacOS(windows not allowed) and need Python (2.6 or higher v...

High Level Design Document MOBILE Tool (Azure AD authentication for Node.js) Version 1.0 (Draft) Table of Contents Introduction 4 Architectural Representation (Logical View) 5 Technical Process 7 Architectural Goals and Constraints 8 Size and Performance 9 Issues and concer...

It is a powerful and mostly used keyword in Ansible to run Playbook using Ad-Hoc commands Example: ansible-playbook demo.yml Further Reading on ansible-plabook

Detailed instructions on getting freemarker set up or installed.

A follow button is a button that links to a GitHub user page and prompts the user to follow the user. Here's how to create one: Go onto github:buttons Click "Follow" Place your GitHub username in the box labeled ":user" Customize the button using the boxes &quot...

All of the other buttons you can create, are buttons that link to a GitHub repository and prompts the user to complete a certain action. These buttons can do actions such as: Watch a repository Star a repository Fork a repository Download a repository List an Issue with a repository Here's...

The window resize events can fire in response to the movement of the user's input device. When you resize a canvas it is automatically cleared and you are forced to re-render the content. For animations you do this every frame via the main loop function called by requestAnimationFrame which does its...

npm init This will initialize a new NPM project for you - just press enter until it stops asking you questions. Now you'll notice that you have a new file called package.json. This file will, among other things, keep track of which packages or modules you've installed in your project.

Detailed instructions on getting join set up or installed.

The following command displays output only on the screen (stdout). $ ls The following command writes the output only to the file and not to the screen. $ ls > file The following command (with the help of tee command) writes the output both to the screen (stdout) and to the file. $ ls | ...

You can also use tee command to store the output of a command in a file and redirect the same output to another command. The following command will write current crontab entries to a file crontab-backup.txt and pass the crontab entries to sed command, which will do the substituion. After the substi...