Introduction Many web application developers have tried to develop a high performance web application with real-time behaviors. A common example of such an application could be a communication web platform like a chat application. A message sent by a user should be transmitted in real-time to other users. Years ago I tried to develop a […]
“Under the Hood” blog series – getting a deeper technical insight like the mobile solutions, JVM, computer languages, scripts, databases and other interesting tools and technologies. Each blog in this series is a result from our experiences, customer projects and gained knowledge through the web community. It is the Android Software that Counts, Stupid! Are […]
It explains how files are split into blocks and how the filesystem acts as an abstraction layer between files (seen by applications) and blocks (physically written on disks). It also says why disks are called block devices. 1.1 Splitting Up Files Into Blocks A block device is a storage media, like a hard disk. You […]
This blog series aims to be a reference guideline by collecting useful knowledge and tutorials about Linux filesystems, mainly about ext3 and ext4. Because, as systems engineers/administrators, when we need to manually perform disk maintenance on a server, we know that a tiny mistake may have large consequences. “Trial-and-Error” is sometimes a good way to […]
In this three-part Blog series I will share my very personal view on the problems of the two most common Java build tools, Ant and Maven, and the improvements brought by the new competitor called Gradle. Introduction Every Java developer with some experience will have encountered the classic Ant build tool during his career. Most […]
Introduction The world has significantly changed after smartphones has been released, especially after the first iPhone. Therefore mobile applications became popular very quickly. Since I own an iPhone, I was excited how people around the world got fascinated for mobile applications, also known as apps. The more frustrating it is as a web developer, not […]
“Under the Hood” blog series – getting a deeper technical insight like the mobile solutions, JVM, computer languages, scripts, databases and other interesting tools and technologies. Each blog in this series is a result from our experiences, customer projects and gained knowledge through the web community. The heap space is separated into the young and old generation […]
“Under the Hood” blog series – getting a deeper technical insight like the mobile solutions, JVM, computer languages, scripts, databases and other interesting tools and technologies. Each blog in this series is a result from our experiences, customer projects and gained knowledge through the web community. Java’s memory model in the runtime data area is […]
“Cookbook” blog series – a collection of best practices for solving problems. Each blog in this series is a result from our experiences, customer projects and gained knowledge through the web community. Problem You want to optimize your Java memory. For example an OutOfMemoryError can occur in several parts of Java’s Runtime Data Area: in […]
“Under the Hood” blog series – getting a deeper technical insight like the mobile solutions, JVM, computer languages, scripts, databases and other interesting tools and technologies. Each blog in this series is a result from our experiences, customer projects and gained knowledge through the web community. Every developer gets once confronted by Java memory questions […]