Apr 07, 2011 — 5 comments
We will show you how to extend PostgreSQL database with PostGIS and deploy GeoServer to Jelastic’s environment, in order to work with shared geospatial data.
A set of useful Java code snaps collected from real Java source codes, the 2nd Set
Used to enrich the editors in Eclipse with adding new features like showing hints about the closing brackets and highliting the matched brackets
Today we’ll focus on how an EJB remote client works with Java Bean deployed to Jelastic. This tutorial has been prepared for those readers who have some knowledge of Enterprise Java Beans technology.
You can easily run Atlassian Confluence in a clustered environment instead of a single server in the cloud, so that clients can connect to any copy and see the same information. Such a clustered configuration provides scaling under the load, i.e. a single installation of Confluence cluster serves a much greater number of concurrent requests than a single server. It greatly improves performance for organizations that demand higher availability or have a large number of concurrent users.
By replicating data from a master to one or more standby servers, you can greatly reduce the possibility of any data loss. This blog post is focused on PostgreSQL high availability and clustering features.
The EU Cookie Law is the EU e-Privacy Directive and defines that you have to get your visitors informed consent before placing a cookie on their machine. This tutorial will show you how to implement a customized solution on your web page. You will also find out how to enable Google Analytics.
ConcurrentHashMap is indeed best choice in case of multithreaded environment if numbers of reader is much greater than number of writer to avoid contention and to increase throughput and performance but deciding between SynchronizedHashMap and ConcurrentHashMap in Java is still requires understanding of use cases and actual environment.
This article is about how to do logging in Java, how to use log4j and some practical logging tips in Java. this is more a collection of experience, best practices and provides a developers view on java logging. Its critical to use correct logging level, correct format and know which information to log.
Making code thread-safe in java is bit of challenge in Java, you need to be expert in multi-threading in order to write correct concurrent code in java. finding and fixing race conditions in java are very costly and result is some very frustrating subtle bug in Java. this article will help you to write thread safe code in java.
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