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Middleware Feed

Oracle Fusion Middleware, BPEL, JMS, Java EE, developer tools, integration services, business intelligence and collaboration resources, news, and support articles.

5 Minute JavaScript #5 Globally Implied

JavaScript uses the var-statement to declare variables and bind them to a scope. But this statement isn’t mandatory. In JavaScript you are allowed to define a value without this statement. When you do not use the var-statement, the variable will be added to the Global Object (see previous post).

Binary search - is it still most optimal?

If you have a sorted collection of elements, how would you find index of specific value? "Binary search" is likely to be your answer. Algorithms theory is teaching us what binary search is most optimal algorithm for this task with log(N) complexity. Well, hash table can do better, if you need to find key by exact match. In many cases, though, you have reasons to have your collection sorted, not hashed.

How to store http sessions in database for WebLogic Cluster

Copyright 2013 - http://www. Weblogic-Wonders.com

In this example we are going use Postgres database for session replication. It can be downloaded from here

Once installed, you need to execute the following query to create the table to store session

 

5 Things I wish I knew about apex when I just started (part 1)

I’ve been doing apex for about 7 years now, and along the way I discovered a few things that made my life as a developer a lot easier. I made a list of 5 things thar I wish I had known wen I just started. Those things will be explained to you in a series of 5 posts.

Subscriptions

One of the most tiresome things to do when managing multiple applications is to keep things like templates, and security up-to-date across all applications.

Apex has a nice built-in system for this called ‘subscriptions’.

Data Integration Tips: ODI – Use Scenarios in packages

 

Here is another question I often hear during ODI Bootcamp or I often read in the ODI Space on OTN :
In a package, should I directly use mappings (or interfaces prior to 12c) or is it better to use the scenarios generated from these mappings?

Fronting Oracle Maven Repository with Artifactory

The JFrog team announced this week the release of Artifactory 3.5.1, which is a minor update that now works with the Oracle Maven Repository.

http://www.jfrog.com/confluence/display/RTF/Artifactory+3.5.1

I spent a little while yesterday having a look at it, working through the configuration of a remote repository and testing it with a maven project to see how it worked.

Export/Import Apex applications in SQL Developer

Using SQL Developer to export or import an Apex application is not only easy, it’s also fast!

Export

To export, follow these steps:

Open the connection to the schema where you’re application is located and search for the “Application Express” directory:

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Oracle Maven Repository - Viewing Contents in Eclipse

With the Oracle Maven Repository now accessible one way to have a explore its contetns us to use the Maven Repositories viewer feature available in most development tools. I've seen the repository contents displayed easily in NetBeans so I decided to take a look at what it looks like in Eclipse as well.

I had to make a few minor setting changes to get it to work so decided to document them here.  If you've gotten it to work with less setting changes, let me know!

OBIEE Monitoring and Diagnostics with InfluxDB and Grafana

In this article I’m going to look at collecting time-series metrics into the InfluxDB database and visualising them in snazzy Grafana dashboards. The datasets I’m going to use are OS metrics (CPU, Disk, etc) and the DMS metrics from OBIEE, both of which are collected using the support for a Carbon/Graphite listener in InfluxDB.

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