Our world today can be described as smart. Smart houses, smartwatches, smartphones, smart cars and even smart foods 😜 is the talk of the day. These smart devices are made possible majorly due to advancements in the field of computer vision. This consists of object and text recognition, which opens doors for unimaginable technology that will certainly influence how humans live and learn in the coming times.

The Google Cloud Vision API gives access to powerful pre-trained machine learning models that can be employed via easy-to-use REST APIs. It promises to be an exciting project that you will be proud to show to your friends after you complete it.

This article provides insight into integrating object and text recognition features into your Java Spring Boot application. In the tutorial, you will learn how to use the Google Cloud Vision API to create a cool app that can analyse images …

As kids are finishing up school and the days are becoming warmer, consider getting everyone active by sending them on a scavenger hunt around the neighborhood. To make the day more exciting, utilize some Twilio magic by having the participants use their phones to complete puzzles to determine the winner of the scavenger hunt.

This tutorial is intended to present an idea that can be appended to the end of the scavenger hunt game, sort of like an alternate reality game (ARG) that utilizes both the real world and technology.

The flow of the game goes as follows:

• The user will text the Twilio number to retrieve the URL to play a minigame.
• The user will play a click-based game that will trigger an SMS to be sent to the host of the scavenger hunt, likely yourself, signifying that someone has completed the scavenger hunt.

In this article, you will …

In this post, learn how to leverage the AWS Cloud Development Kit (CDK) to build and deploy a serverless AWS Lambda function that uses Twilio’s Programmable SMS API to send SMS to users. We will use Java for all components of this post to define the AWS CDK application and AWS Lambda Handler, and we will use Twilio’s Java Helper Library to work with the SMS APIs.

Prerequisites

For this tutorial, you will need to set up Java on your system, since we will be using it to define our AWS CDK application and the AWS Lambda handler. In addition to it, you will need to install AWS CLI and AWS CDK CLI, to configure AWS credentials and to build your CDK application respectively. Finally, you will need to create an AWS account for deploying the application, and a Twilio account with an SMS-enabled phone number to send SMS. Refer …

Making mini browser games can be a great way to learn how to code and understand how the internet works. It's also fun to just make your own version of pointless and addicting games such as Cookie Clicker.

In this article, you will learn how to make your own clicker game that runs on the Java Spring Boot application. The objective of the clicker game is to count the amount of clicks on a chosen image. In this particular example, we will allow the user to click on an image of a cat to give it some treats.

Tutorial requirements

• Some prior knowledge of Java or a willingness to learn.
• Some knowledge of JavaScript.
• Refer to this Twilio article to set up a Java Spring Boot application that can be hosted on the web.

Add the Thymeleaf dependency

Navigate to the pom.xml file to add the following dependency to …

環境変数は、データベースやキャッシュサーバー、サードパーティーのAPIなど、コードに明示的に設定を保存することなくJavaアプリケーションを構成するための優れた方法です。

このような設定をコードの外に保管しておくことには、いくつかの利点があります。

• 設定変更時のコードの更新や再コンパイルが不要になります。
• ユーザー名やパスワード、デプロイメントトークンなどの機密情報の漏洩を防止します。
• 同じコードを複数の環境にデプロイできます。

本稿では、Javaで環境変数を扱う方法をご紹介します。

Javaで環境変数にアクセスする方法

最も一般的な方法は、System.getenv()を使う方法です。System.getenv()は任意の引数として、Stringを受け取ります。引数が渡されたかどうかによって、このメソッドから返される値が異なります。

Stringが渡され、内部環境のMapのキーと一致する場合、そのキーに対応する値が返されます。 一致するキーがなければ、nullが返されます。引数が渡されない場合、すべての環境変数とその値を含む読み出し専用のjava.util.Mapが返されます。Mapのキーは環境変数名で、値は環境変数の値です。

以下に、このメソッドを使って、ユーザーのシェルを含むLinu …

Umgebungsvariablen sind eine hervorragende Möglichkeit, Java-Anwendungen zu konfigurieren, ohne Einstellungen explizit in Code speichern zu müssen, z. B. für Datenbank- und Caching-Server oder für APIs von Drittanbietern.

Solche Einstellungen außerhalb des Codes vorzunehmen hat mehrere eindeutige Vorteile:

• Bei Änderungen der Einstellungen muss der Code nicht aktualisiert und erneut kompiliert werden.
• Die Offenlegung sensibler Anmeldeinformationen wie Benutzernamen und Passwörter sowie von Tokens wird verhindert.
• Derselbe Code kann in mehreren Umgebungen bereitgestellt werden.

In diesem kurzen Artikel werde ich Ihnen einige der Möglichkeiten zeigen, wie Sie mit Umgebungsvariablen in Java arbeiten können.

Zugriff auf Umgebungsvariablen in Java

Eine der häufigsten Methoden ist die Verwendung von System.getenv(), die ein optionales Argument des Typs String akzeptiert. Je nachdem, ob ein Argument des Typs Stringübergeben wird, werden unterschiedliche Werte von der Methode zurückgegeben. Genauer:

Wenn ein String übergeben wird und er mit einem Schlüssel in der Map der internen Umgebung übereinstimmt, wird dessen …

Ahoy, operator. Congratulations on gaining acceptance into the Arcane Academy of API Arts. I’m Professor Taifa Omar Warsame, head of House Turing. In House Turing, we believe that code is for people. If code isn’t human centered - if it’s not helping people have fun, work smarter, or live better, it’s not that interesting. That’s why, in House Turing, we love SDKs and helper libraries. They help make working with APIs easier and more readable for the humans behind the code.

For creatives such as myself, writing code can be a form of art and expression. It's another medium to bring ideas to life, whether it be a data visualization or small click based game …

It might seem intimidating to build projects using Java especially when it seems confusing to know how to start and set up. Fortunately, using the Spring Boot and ngrok tools will reassure you that writing code for Java applications can be fast and seamless.

Spring Boot reduces the problem of figuring out how to structure the project hierarchy and provides sufficient documentation for developers to create standalone applications without relying on external web servers.

Many articles on the Twilio blog utilize ngrok, a localhost tunneling tool that exposes webhooks on public URLs that can be reached by Twilio. The excellent ngrok tool is also used to generate temporary public URLs for your development web server.

In this article, you will learn how to set up a Java Spring Boot application and create a tunnel from a URL on the ngrok.io domain to the local application running on your computer. …

Offices are opening up again! As employees are slowly going back to work in the office, local businesses are blooming with an influx of customers and new food orders. Allow Twilio to assist you in making your next lunch run with a quick and accessible way to view those elaborate orders on your phone when you're in line.

In this article, you will learn how to make a list to add and view from your phone using Twilio SMS and Java.

Prerequisites

• Java Development Kit (JDK) version 8 or newer.
• Maven 3.3 or newer.
• IntelliJ IDEA Community Edition for convenient and fast Java project development work. The Community Edition is sufficient for this tutorial.
• A free or paid Twilio account. If you are new to Twilio, get your free account now! (If you sign up through this link, Twilio will give you $10 credit when you upgrade.)
• ngrok, …

Twilio is a customer engagement platform providing programmable communication tools for making and receiving phone calls, sending and receiving text messages, and performing other communication functions using its web service APIs. Twilio conveniently empowers communication in any language.

With the help of the Twilio SMS API, Java, and the Spring Boot framework, you can send SMS with a text message. This article will help you set up a Spring Boot application that will expose a REST API to send the SMS. You will also be using the Twilio Java Helper Library.

In this article, you will learn how to navigate a Java IDE to set up and build a Spring Boot application and send an SMS to your mobile device. Find the code for the article on GitHub.

Tutorial Requirements

• Java Development Kit (JDK) version 8 or newer.
• Spring Tool Suite (STS) for convenient and fast …