👉 1 >> Java String

concat() Vs the + Operator for Concatenation

1. Identify the problems

👉 Step 1: I am using React Native version 0.63.2 like below, and I want to build an android app by using Fastlane for CI/CD integration.

As an Android developer, we have all worked with traditional layouts: LinearLayout and RelativeLayout. For me, I think it is quite an approach with everyone, but it will bring a lot of bad problems about performance in our application. Furthermore, with many complex layouts nowadays, using the old layouts to…

Definition

Java HashMap class is an implementation of Map interface based on hash table. It stores elements in key & value pairs which is denoted as HashMap<Key, Value> or HashMap<K, V>.

It extends AbstractMap class, and implements Map interface and can be accessed by importing java.util package. …

“One difference between a smart programmer and a professional programmer is that the professional understands that clarity is king. Professionals use their powers for good and write code that others can understand.” ― Robert C. Martin, Clean Code: A Handbook of Agile Software Craftsmanship

⚡️Overview

  • Code is clean when it is…

Create asynchronous client and server applications. Anything from microservices to multiplatform HTTP client apps in a simple way. Open Source, free, and fun!

1. Overview

  • Ktor is a framework to easily build connected applications — web applications, HTTP services, mobile and browser applications. Modern connected applications need to be asynchronous to provide…

1. What is Java Home

Many Java applications need to know the location of a $JAVA_HOME directory. The $JAVA_HOME on Mac OS X should be found using the /usr/libexec/java_home command-line tool on Mac OS X 10.5 or later. On older Mac OS X versions where the tool does not exist, use the fixed path "/Library/Java/Home"…

The Android App Bundle is Android’s new, official publishing format that offers a more efficient way to build and release your app. The Android App Bundle lets you more easily deliver a great experience in a smaller app size, which can improve install success and reduce uninstalls. It’s easy to…

Use comments to include nonexecutable text in your code, as a note or reminder to yourself. Comments are ignored by the Swift compiler when your code is compiled.

If you are an Objective-C developer, and you are not familiar with modern languages like Python or Ruby, the code in the…

https://venturebeat.com/wp-content/uploads/2015/12/apple_swift.jpg?fit=1920%2C1080&strip=all

Swift is a fantastic way to write software, whether it’s for phones, desktops, servers, or anything else that runs code. It’s a safe, fast, and interactive programming language that combines the best in modern language thinking with wisdom from the wider Apple engineering culture and the diverse contributions from its…

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