Tutorial by Examples: ch

You can get easily get this information by barfing out the input in your handler function. For example, in Java: public String handleRequest(String input, Context context) { context.getLogger().log("Input: " + input); String output = "Input:" + System.getProperty(&qu...

Allow change user unique ID if account is compromised with a new user&password login To invalidate tokens when user changes their password or permissions, sign the token with a hash of those fields. If any of these field change, any previous tokens automatically fail to verify. The down...

This is a simple example to search in Google. It containt two parts, Feature File Step Definition File Am not going into much details here as the code itself is self explanatory. Feature File Feature:Google Key word search @mytag Scenario: search Spec Flow in Google search bar Given...

Basic architecture examples on how development for embedded systems works (i.e. IDEs, cross-compiling, downloading, in-line debugging, JTAG,...) and what would be the minimum requirements for starting. It would be worth mentioning different approaches and platforms from begginers-higher level to ad...

import { expect } from 'chai'; import { createStore } from 'redux'; describe('redux store test demonstration', () => { describe('testReducer', () => { it('should increment value on TEST_ACTION', () => { // define a test reducer with initial state: test: 0 const te...

Setup The tests below uses these values for the examples. val helloWorld = "Hello World" val helloWorldCount = 1 val helloWorldList = List("Hello World", "Bonjour Le Monde") def sayHello = throw new IllegalStateException("Hello World Exception") Type c...

Monkey patching is the modification of classes or objects outside of the class itself. Sometimes it is useful to add custom functionality. Example: Override String Class to provide parsing to boolean class String def to_b self =~ (/^(true|TRUE|True|1)$/i) ? true : false end end A...

Like patching of classes, you can also patch single objects. The difference is that only that one instance can use the new method. Example: Override a string object to provide parsing to boolean s = 'true' t = 'false' def s.to_b self =~ /true/ ? true : false end >> s.to_b =&...

Sometimes users from other regions than English-speaking have problems with encoding while for example programming a php project. It can be, that the server has another encoding then UTF-8, and if someone want to create a php project in UTF-8 on this server, his text might be shown incorrect. Examp...

One of most common use cases of Gitflow Initialize repo and define branches $ git flow init # if you use default setup, you'll define six types of branches: # # main branches (lives forever) # # 1. master: for production releases # 2. develop: for "next ...

Trigger speech to text translation private void startListening() { //Intent to listen to user vocal input and return result in same activity Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH); //Use a language model based on free-form speech recognition. ...

The following code can be used to trigger speech-to-text translation without showing a dialog: public void startListeningWithoutDialog() { // Intent to listen to user vocal input and return the result to the same activity. Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEEC...

In some very specific scenarios we would feel the need to perform a specific action for each flag of the source enumeration. We can write a simple Generic extension method to realize this task. <DebuggerStepThrough> <Extension> <EditorBrowsable(EditorBrowsableState.Always)> Pu...

=SUMPRODUCT(IF(FREQUENCY(MATCH(A1:A100,A1:A100,0),MATCH(A1:A100,A1:A100,0))>0,1))

switch (n % 2) { case 0: trace("n is even!"); case 1: trace("n is odd!"); default: trace("I don't know!"); } // Assigning the evaluated expression to a variable var message = switch (n % 2) { case 0: "n is even!"; case 1: "n ...

The StretchViewport is a Viewporttype, which supports a virtual screen size. This allowes you to define a fixed (resolution independent) width and height. The StretchViewport, as the name suggests, stretches the virtual screen, if the virtual aspect ratio does not match the real aspect ratio. The ...

To detect a touch in Unity it's quite simple we just have to use Input.GetTouch() and pass it an index. using UnityEngine; using System.Collections; public class TouchExample : MonoBehaviour { void Update() { if (Input.touchCount > 0 && Input.GetTouch(0).phase == Touch...

Ubuntu 14.04 example sudo nginx -t

The XML document, I will be using throughout the examples is - <a> <b>test-value</b> <d>fragment-d</d> <c-root> <d>fragment-d</d> <e>fragment-e</e> </c-root> </a> The following queries ...

xdmp:estimate(cts:search(fn:doc(), cts:element-value-query(xs:QName("d"), "fragment-d"))) xdmp:estimate can not be used on XPaths unlike fn:count is used in previous example xdmp:estimate actually gives the number of matching fragments