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Kubernetes Monitoring Developer's Guide

Writing software is hard. Balancing the demands of shipping with assuring quality presents challenges. Also, you must have an eye on keeping code readable and maintainable. It’s not easy. Beyond mere development, maintaining a running application is still harder. Serving users requires responding to problems in a timely fashion. In order to respond to problems, you need to know they exist. In short: writing software is hard; running software is often harder. And that’s why we monitor.

How to Fix the HTTP 503 Service Unavailable Error in WordPress

Running into errors on your WordPress website is often daunting. Most errors offer some clue as to what caused them, making it easier to troubleshoot. Unfortunately, the 503 Error isn’t as simple and doesn’t offer the same information. The 503 Error in WordPress signifies your website cannot be reached as a result of the associated server being inaccessible. This occurs as a result of the server being too busy or under maintenance.

DevOps Best Practices: A Complete Guide

Having high profits and productivity without any disturbance—isn’t that every company’s dream? Whenever there’s talk about better productivity and revenue, DevOps never fails to come into the limelight. It seems like it’s the latest IT buzzword. Everybody is discussing the relatively new concept and how it has come to transform the IT sector. But how well do we really know DevOps? What is DevOps? Why do we need it?

Selenium Scripts Running Load on a Web Browser

Selenium is a well renowned automation testing framework used extensively for cross browser testing. The open source testing tool is a smart choice for companies offering software testing services for automation testing of different web applications across browsers such as Internet Explorer, Chrome, Firefox, and Microsoft Edge. Selenium offers extensive competition, compared to different test frameworks like HP Unified Functional Testing and Quick Test Professional.

How to Go Serverless With AWS Lambda

Once upon a time, when dinosaurs roamed the earth, servers had to be built. A development team requested an environment for their code to run in, and a system administrator or infrastructure engineer plugged in a server and spent hours or days getting it ready to run code. Oh, and by the way, that was only one server of many required to run a web application—and this only happened after budgets were decided and forms were filled out.

What Are Java Agents and How to Profile With Them

Java agents are a special type of class which, by using the Java Instrumentation API, can intercept applications running on the JVM, modifying their bytecode. Java agents aren’t a new piece of technology. On the contrary, they’ve existed since Java 5. But even after all of this time, many developers still have misconceptions about this feature—and others don’t even know about it. In this post, we remedy this situation by giving you a quick guide on Java agents.

Here's How to Calculate Elapsed Time in Java

Many things in programming sound like they should be easy, but are quite hard. Calculating elapsed time in Java is one of those. How hard could that be? As it turns out, it can be tricky. For starters, we have the fact that time itself is a tricky concept. For a quick example, remember that many places around the world observe Daylight Savings Time. Failing to take DST into account when you should, can and often does result in incorrect calculations.

6 Key Benefits of Microservices Architecture

One challenge for developers beginning a new project is choosing between monolithic and microservice architecture. According to Camunda research, 63% of enterprise level companies have taken steps to apply microservice architecture. Let’s take a closer look at the benefits and implementation of microservice architecture and why enterprise level companies, like Amazon, Netflix, and Uber, are choosing this architecture over traditional monolithic architecture?

Functional Programming vs. Object Oriented Programming

In current development, Object Oriented Programming has proven more popular than its predecessor Functional Programming. Functional Programming was developed before Object Oriented Programming, with support for Lisp, Clojure, Wolfram, Erlang, Haskel, F#, and R. Object Oriented Programming is more modern with support for C++, C#, Java, Python, Ruby. PHP, Perl, Objective-C, Swift, and Dart.