Behavior driven service development,I just released version v2.0 of the requirements as code library. Using it, you can create a single behavior that receives messages from the cal...

380. Insert Delete GetRandom O(1), Problem Statement Implement the RandomizedSet class: RandomizedSet() Initializes the RandomizedSet object. bool insert(int val) Inserts an item v...

Leveraging Salesforce Using Spring Boot, I was first introduced to Salesforce during a Gartner Enterprise Architecture summit back in 2008. Full transparency here: the primary reas...

Room database. DOAs, Android (20 Part Series) 1 Android activity and lifecycle 2 The Basics of a Fragment ... 16 more parts... 3 Basic Fragment implementation with Android. 4 Getti...

Room database. Entities, Android (20 Part Series) 1 Android activity and lifecycle 2 The Basics of a Fragment ... 16 more parts... 3 Basic Fragment implementation with Android. 4 G...

SQL Injection in Java,Hello, in this post I will speak about SQL injection, which is an old problem but still exists in applications vulnerable to this type of action. Before of be...

Abstract class vs interfaces. When to use them?, Abstract class 'When we talk about abstract classes we are defining characteristics of an object type; specifying **what an object ...

How to get Thread dump from Heap dump,Recently I was debugging some nasty deadlocks and as one does in this kind of situation I needed to look into thread dumps. Unfortunately for ...

Kotlin vs Java: 10 Years In, Kotlin vs Java: 10 Years In Java is as old as the Internet itself. It is the child of the mid-90s and exploded into the world just as dial-up started t...

Optimize java based lambda functions on AWS,This post on Medium speaks about tips to improve your java based cold start on AWS Lambda. Hope you will like it and if so, feel free to...

Effective Java: Use Exceptions for Only Exceptional Circumstances, Effective Java Review (90 Part Series) 1 Effective Java Tuesday! Let's Consider Static Factory Methods 2 Effectiv...

Looking for Coding Buddies,Would you like to study something coding related or collaborate on a project? HMU! 原文链接：Looking for Coding Buddies