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Docs: observers, multi-property observers, observing array mutations, adding observers dynamically. Adding an observer in the properties block lets you observe changes in the value of a property: static get properties() { return { myProperty: { observer: '_myPropertyChanged' ...

\documentclass[12pt]{article} \usepackage{lastpage} \usepackage{fancyhdr} \usepackage{graphicx} \usepackage{lipsum} % for dummy text \pagestyle{myheadings} \pagestyle{fancy} \fancyhf{} \setlength{\headheight}{30pt} \renewcommand{\headrulewidth}{1pt} \renewcommand{\footrulewidth}{2p...

#include opencv2/opencv.hpp> #include vector> using namespace std; using namespace cv; int main() { Mat3b img = imread("test.jpg"); imshow("Original", img); // Cluster int K = 8; int n = img.rows * img.cols; Mat data = img.reshape(1, n); data.convertTo(data, CV_32F); ...

import tensorflow as tf # good idea tf.reset_default_graph() # DO MODEL STUFF # Pretrained weighting of 2.0 W = tf.get_variable('w', shape=[], initializer=tf.constant(2.0), dtype=tf.float32) # Model input x x = tf.placeholder(tf.float32, name='x') # Model output y = W*x y = tf.multiply(W,...

public static void main( String[] args ) throws IOException { // good idea to print the version number, 1.2.0 as of this writing System.out.println(TensorFlow.version()); final int NUM_PREDICTIONS = 1; // load the model Bundle try (SavedModelBundle b = SavedModelB...

Like list, simplest function over iolist and bitstring is: -spec loop(iolist()) -> ok | {ok, iolist} . loop(<<>>) -> ok; loop(<<Head, Tail/bitstring>>) -> loop(Tail); loop(<<Rest/bitstring>>) -> {ok, Rest} You can call it like this: lo...

Here 2 examples of recursive anonymous functions based on previous example. Firstly, simple infinite loop: InfiniteLoop = fun R() -> R() end. Secondly, anonymous function doing loop over list: LoopOverList = fun R([]) -> ok; R([H|T]) -> R(T) end. These two func...

This example covers the implementation of ExtentReports in Selenium using TestNG, Java and Maven. ExtentReports are available in two versions, community and commercial. For the ease and demonstration purpose, we will be using community version. 1. Dependency Add the dependency in your Maven pom.x...

This example covers the implementation of Allure Reports in Selenium using TestNG, Java and Maven. Maven Configuration Repository Add following code to configure the jcenter repository <repository> <id>jcenter</id> <name>bintray</name> ...

You can make function passed to test() method async - then you can use await keyword. Your test will wait until Promises resolve and testing asynchronous code becomes easier and more readable. In the following example call that returns a Promise is changeset.validate(). Please notice also wrapping s...

using Newtonsoft.Json.Linq; using System.Collections.Generic; public class JsonFieldsCollector { private readonly Dictionary<string, JValue> fields; public JsonFieldsCollector(JToken token) { fields = new Dictionary<string, JValue>(); CollectFields...

Let's say Joe owns a website that allows you to log on, view puppy videos, and save them to your account. Whenever a user searches on that website, they are redirected to https://example.com/search?q=brown+puppies. If a user's search doesn't match anything, than they see a message along the lines ...

Let's say that Bob owns a social website that allows users to personalize their profiles. Alice goes to Bob's website, creates an account, and goes to her profile settings. She sets her profile description to I'm actually too lazy to write something here. When her friends view her profile, this co...

Let's say that Bob owns a site that lets you post public messages. The messages are loaded by a script that looks like this: addMessage("Message 1"); addMessage("Message 2"); addMessage("Message 3"); addMessage("Message 4"); addMessage("Message 5&qu...

If you don't think that malicious scripts can harm your site, you are wrong. Here is a list of what a malicious script could do: Remove itself from the DOM so that it can't be traced Steal users' session cookies and enable the script author to log in as and impersonate them Show a fake "Yo...

public class Equatable { public string field1; public override bool Equals(object obj) { if (ReferenceEquals(null, obj)) return false; if (ReferenceEquals(this, obj)) return true; var type = obj.GetType(); if (GetType() != type) re...

Navigation bars are essentially a list of links, so the ul and li elements are used to encase navigation links. <ul> <li><a href="#">Home</a></li> <li><a href="#">About</a></li> <li><a href="#">...

To make a navigation bar using the HTML5 nav element, encase the links within the nav tag. <nav> <a href="#">Home</a> <a href="#">About</a> <a href="#">Contact</a> </nav>

The tokio-signal crate provides a tokio-based solution for handling signals. It's still in it's early stages though. extern crate futures; extern crate tokio_core; extern crate tokio_signal; use futures::{Future, Stream}; use tokio_core::reactor::Core use tokio_signal::unix::{self as unix_si...

public class Foo { private String name; public Foo(@NonNull String name){...}; ... } Here @NonNull is annotation which is processed compile time by the android studio to warn you that the particular function needs non null parameter.