| | Best of the Week from JCG With more than a decade of experience working on DevOps practices, AppDynamics' consultant Sean Stanford has witnessed first-hand how organizational practices, philosophies and tools can impact a company's ability to deliver applications and services. Here's his cautionary tale of one company that had not yet embraced DevOps, the pain it endured as a result, and how ... [MEGA DEAL] Ultimate JavaScript eBook and Course Bundle (98% off) (by Michail Kordelakos) Hey fellow geeks, This week, on our JCG Deals store, we have another extreme offer. We are offering a massive 98% off on Ultimate JavaScript eBook and Course Bundle. Get it now with only $29, instead of the original price of $2,189.00... Becoming a Better Software Developer (by Idris Azeez ) Becoming better at what we do for a career is what many aspire to in life. However, it is not enough to simply keep doing the same thing every day. To become better, we sometimes need to do things in a different way from how they were done previously. . This week's task is to implement binary search in Java, you need to write both iterative and recursive binary search algorithm. In computer science, a binary search or half-interval search is a divide and conquer algorithm which locates the position of an item in a sorted array. | | Mega-Deal: Programming Courses from Only $10.99! We have arranged a mega-deal with Udemy for your eyes only! You can purchase each course from just $10.99. The deal will be available for LIMITED TIME ONLY, so make sure to grab them now! | | Latest JCG Examples In this post, we feature a comprehensive Play! Framework Hello World Example. We are going to develop our old style, to learn new concepts on "HelloWorld" example using Play Framework, Scala Language ... Servlets are essentially the first and main technology in Java world capable of dynamic page generation, now in its version 4.0 (released on September 2017).The term suggests a new way to receive HTTP requests... If you have installed the MongoDB application on Windows or Ubuntu operating system and you wish to learn this tutorial, then follow the below steps. It is very simple, but before moving further let's take a look at... This article is a tutorial about the various Item Readers and Item Writers in Spring Batch. We will use Spring Boot to speed our development process. | | Best Web Code Geeks Articles Build Secure User Management with Vue.js, Node, and Okta (by Brandon Parise) Many of us have danced the JavaScript framework shuffle for years starting with jQuery, then on to Angular. But Angular is complex... Docker basics: An introduction (by Emmanouil Gkatziouras ) Hello readers, in this tutorial, developers will learn what AngularJS is and how to use the lowercase filter in the angular applications. Docker basics: Docker Registry (by Emmanouil Gkatziouras ) By default when using docker you pull the images from the Dockerhub docker registry. Most probably you have your own docker images... Docker basics: Containers (by Emmanouil Gkatziouras ) So we have just created a docker image and now it's time for us to run a container and interact with it... | | New and Noteworthy from the Community Developers. Our Last, Best Hope for Ethics? In March, Stack Overflow published their Developers' Survey for 2018 and for the first time they asked questions about ethics... How to Compare List Object's in Java 7 vs Java 8 Comparing content of List's against some condition is a common use case to handle in many business scenarios. This comparison can be broadly classified as... Logging with Log4j in JAVA Log4j is used for logging. Logging is the process of writing log message in any file, db,console etc( any central place). If we use SOP (System.out.print() ) statement to print the log message then we can have some disadvantage... Kotlin DSL A domain-specific language (DSL) is a computer language specialized to a particular application domain. This is in contrast to a general-purpose language (GPL), which is broadly applicable across domains. Java Optionals For More Expressive Code Any of us who has programmed in a language that permits null references will have experienced what happens when you try to dereference one. Whether it results in a segfault or a NullPointerException, it's always a bug. | | Blast from the Past ! Parsing in Java: all the tools and libraries you can use If you need to parse a language, or document, from Java there are fundamentally three ways to solve the problem... Testing exceptions with JUnit 5 JUnit 5 brought pretty awesome improvements and it differs a lot from its predecessor. JUnit 5 requires Java 8 at runtime hence Lambda expressions can be used in tests, especially in assertions. JUnit 5 – Parameterized Tests JUnit 5 is pretty impressive, particularly when you look under the covers, at the extension model and the architecture. | | Featured Mini-Books! Apache Hadoop Tutorial Apache Hadoop is an open-source software framework written in Java for distributed storage and distributed processing of very large data sets on computer clusters built from commodity hardware. All the modules in Hadoop are designed with a fundamental assumption that hardware failures are common and should be automatically handled by the framework. Hadoop has become the de-facto tool used for Distributed computing. Now, we wanted to create a standalone, reference post to provide a framework on how to work with Hadoop and help you quickly kick-start your own applications. Enjoy! 5 Questions You Need to Ask About End-User Monitoring There are many ways for customers to engage with your business today. Whether it's through a website or mobile app, it's become increasingly important for enterprises to raise the bar and provide end users with high-performing and functionally-rich applications. To ensure your brand meets customer expectations, it's important to ensure your applications are performing at their optimal level. This requires monitoring how and where customers are connecting with your business — tracking every tap, swipe, and click. | | Your Suggestions Any ideas or suggestions? Shoot us an email at newsletter@javacodegeeks.com | | | | | |
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