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.
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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
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.
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’.
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.
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.
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!
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.