Tutorial by Examples: amp

Simple Example: Compile helloworld.go for arm architecture on Linux machine

Prepare helloworld.go (find below) package main import "fmt" func main(){ fmt.Println("hello world") } Run GOOS=linux GOARCH=arm go build helloworld.go Copy generated helloworld (arm executable) file to your target machine.

Go • Cross Compilation

Ember Bootstrap sample form

{{#bs-form model=this onSubmit=(action "submit") as |form|}} {{#form.element label="Email" placeholder="Email" property="email" as |el|}} <div class="input-group"> <input value={{el.value}} class="form-control" place...

ember.js • Initialize Foundation or Bootstrap on ember-cli in a proper way

Search Results Example

Let's assume we have a search results page that displays a user's search query back to them. The code below is an example of how this could be done in PHP: Results for "<?php echo $_GET['query'] ?>" For this to work, you would access the page with a URL like: https://yoursite.te...

xss • Getting started with xss

C11 Threads simple example

#include <threads.h> #include <stdio.h> int run(void *arg) { printf("Hello world of C11 threads."); return 0; } int main(int argc, const char *argv[]) { thrd_t thread; int result; thrd_create(&thread, run, NULL); thrd_join(&...

C Language • Multithreading

Trivial example

{$DEFINE MyRuntimeCheck} // Comment out this directive when the check is no-longer required! // You can also put MyRuntimeCheck in the project defines instead. function MyRuntimeCheck: Boolean; {$IFNDEF MyRuntimeCheck} inline; {$ENDIF} begin result := TRU...

Embarcadero Delphi • Creating easily removable runtime error checks

Sample page

This example is a sample page that shows how to use Dojo to display a "Hello world" text inside <h1> tag. <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Dojo sample</title> <script src="//ajax.go...

dojo • Getting started with dojo

Example without mutable refs

public final class Color { final private int red; final private int green; final private int blue; private void check(int red, int green, int blue) { if (red < 0 || red > 255 || green < 0 || green > 255 || blue < 0 || blue > 255) { throw ...

Java Language • Immutable Class

Example with mutable refs

In this case class Point is mutable and some user can modify state of object of this class. class Point { private int x, y; public Point(int x, int y) { this.x = x; this.y = y; } public int getX() { return x; } public void setX(int ...

Java Language • Immutable Class

Example of Hardware back button detection using BackHandler

Since BackAndroid is deprecated. Use BackHandler instead of BackAndroid. import { BackHandler } from 'react-native'; {...} ComponentWillMount(){ BackHandler.addEventListener('hardwareBackPress',()=>{ if (!this.onMainScreen()) { this.goBack(); return true; ...

react-native • Android - Hardware Back Button

Hello World Example

<?php include "vendor/autoload.php"; $app = new \Slim\App(); $app->get('/hello', function () { echo "Hello, world"; }); $app->run();

slim • Getting started with slim

Simple example of Input Properties

Parent element html <child-component [isSelected]="inputPropValue"></child-component> Parent element ts export class AppComponent { inputPropValue: true } Child component ts: export class ChildComponent { @Input() inputPropValue = false; } Child compone...

Angular 2 • Angular2 Input() output()

Installation and Initial Example

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 ...

Flask • Flask-SQLAlchemy

Below examples shows how easy it is to use

ChromeDriverManager.getInstance().setup(); FirefoxDriverManager.getInstance().setup(); OperaDriverManager.getInstance().setup(); PhantomJsDriverManager.getInstance().setup(); EdgeDriverManager.getInstance().setup(); InternetExplorerDriverManager.getInstance().setup();

selenium • WebDriverManager for Selenium - a very neat tool from Boni Garcia

StringWriter Example

Java StringWriter class is a character stream that collects output from string buffer, which can be used to construct a string. The StringWriter class extends the Writer class. In StringWriter class, system resources like network sockets and files are not used, therefore closing the StringWriter i...

Java Language • Readers and Writers

DataInputStream Example

package com.streams; import java.io.*; public class DataStreamDemo { public static void main(String[] args) throws IOException { InputStream input = new FileInputStream("D:\\datastreamdemo.txt"); DataInputStream inst = new DataInputStream(input); int count...

Java Language • InputStreams and OutputStreams

Example of Instrumentation of all BW Applications in a Single Step for Appdynamics

Locate and open your TIBCO BW bwengine.tra file typlically under TIBCO_HOME/bw/5.12/bin/bwengine.tra (Linux environment) Look for the line that states: *** Common variables. Modify these only. *** Add the following line right after that section tibco.deployment=%tibco.deployment% ...

Java Language • AppDynamics and TIBCO BusinessWorks Instrumentation for Easy Integration

A simple Pagination example

<nav aria-label="Page navigation example"> <ul class="pagination"> <li class="page-item"><a class="page-link" href="#">Previous</a></li> <li class="page-item"><a class="page-lin...

twitter-bootstrap • Pagination

Treeview: Basic example

This widget is used to display items with hierarchy. For instance, windows explorer can be reproduced in this way. Some nice tables can be also done using treeview widget. Create the widget tree=ttk.Treeview(master) Definition of the columns You can define how many columns, their width and min...

tkinter • Ttk widgets

Simple Example- Printing 'Hello World' with asyncio

import asyncio async def hello_world(): print('Hello World') loop = asyncio.get_event_loop() loop.run_until_complete(hello_world()) loop.close()

python-asyncio • Getting started with python-asyncio

Sample code for shelve

To shelve an object, first import the module and then assign the object value as follows: import shelve database = shelve.open(filename.suffix) object = Object() database['key'] = object

Python Language • shelve