Digital Sanctum

Google App Engine for Java: CRUD Operations with JDO and Spring MVC

Shane — Thu, 02 Jul 2009 23:36:25 +0000

In a prior post, I provided and introduction to GAE for Java including getting your local development environment setup and uploading your application to Google’s servers. For this post, I will outline how to do simple CRUD operations using GAE for Java and the latest version of Spring MVC (which is 3.0.0.M3). Combining GAE for Java [...]

JRuby on Google App Engine

Shane — Tue, 30 Jun 2009 12:27:33 +0000

I’ve been reading up on running JRuby on GAE (Google App Engine) for Java. Here are some helpful resources for future reference and for others seeking information about this exciting mix. appengine-jruby – This project aims to make using JRuby as easy as any of the native App Engine languages. JRuby on Rails on Google App Engine [...]

JSTL Expressions Not Working in Google App Engine Solution

Shane — Wed, 24 Jun 2009 19:52:22 +0000

If your JSTL expressions aren’t working with GAE for Java, try this quick fix. In your page directive, add isELIgnored=”false”. For example: <%@ page contentType="text/html;charset=UTF-8" language="java" isELIgnored="false" %>

Google App Engine For Java: An Introduction

Shane — Wed, 08 Apr 2009 23:37:48 +0000

A couple of days ago, Google announced that Java was now available to run on Google App Engine (GAE for short). Currently, they are only letting the first 10,000 developers who sign up for an account actually deploy a Java app: April 2009: During this “early look” of Google App Engine for Java, the ability to [...]

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Fri, 03 Apr 2009 00:00:00 PDT

Amazon Announces Elastic MapReduce

Amazon Announces Elastic MapReduce

Shane — Thu, 02 Apr 2009 13:12:30 +0000

Amazon has announced Elastic MapReduce, the latest product under it’s web services umbrella starting at $0.10 per hour. This latest offering leverages two of it’s existing products EC2 (cloud computing) and S3 (simple storage service): Amazon Elastic MapReduce is a web service that enables businesses, researchers, data analysts, and developers to easily and cost-effectively process vast [...]

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Thu, 02 Apr 2009 00:00:00 PDT

Top 10 Tools and Productivity Tips for the Solo Developer

Top 10 Tools and Productivity Tips for the Solo Developer

Shane — Thu, 02 Apr 2009 00:01:20 +0000

As a solo developer myself I’ve come to use these tools and techniques to help save me time and be more efficient. I prefer tools which are both cheap and simple so the tools I present here will have an emphasis on both. Besides, if you’re a solo developer you need all the time you [...]

Solution to SIOCADDRT no such process on Ubuntu

Shane — Sun, 22 Mar 2009 17:27:25 +0000

While configuring some Ubuntu servers to have a static IP address recently, I came across this error when I attempted to restart the network interfaces: SIOCADDRT: no such process I realized that I had invalid IP addresses for both my network and gateway entries in /etc/network/interfaces file: # The primary network interface auto eth0 iface eth0 inet static address 192.168.0.146 netmask 255.255.255.0 network [...]

Installing ImageMagick from Source on Ubuntu 8.04

Shane — Wed, 18 Mar 2009 15:37:10 +0000

Here’s a quick and dirty on installing the latest (version 6.5.0-0 as of this writing) ImageMagick on Ubuntu 8.04. Start by removing any old versions previously installed via apt-get: sudo apt-get remove imagemagick Then update apt-get and install some supporting packages: sudo apt-get update sudo apt-get install libperl-dev gcc libjpeg62-dev libbz2-dev libtiff4-dev libwmf-dev libz-dev libpng12-dev libx11-dev libxt-dev libxext-dev libxml2-dev libfreetype6-dev [...]

JRuby Debugging with IntelliJ IDEA 8

Shane — Fri, 14 Nov 2008 22:53:30 +0000

For the last couple of years I’ve dabbled with Ruby and JRuby coming from a Java background. Until recently, the only IDE that has had a decent JRuby debugger was NetBeans. Now, with the release of IDEA 8, debugging JRuby is now available in my favorite IDE. Here are the steps required to debug your [...]

Restricting Access to Tomcat via IP Address or Hostname

Shane — Wed, 05 Nov 2008 23:05:28 +0000

To restrict access to a standalone Tomcat instance by IP address: <Valve className="org.apache.catalina.valves.RemoteAddrValve" allow="127.0.0.1"/> The above will restrict access to the surrounding Engine, Host, or Context element in /conf/server.xml. You may also specify a comma separated list of ip addresses instead of a single address. If you want to deny access to one or more IP addresses, you [...]

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Thu, 08 Nov 2007 00:00:00 PST

Checklist for Running Ruby on Rails on Bluehost | Musings of a Software Development Manager
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Sun, 30 Sep 2007 00:00:00 PDT

One of the Wolves » Ruby Subversion Bindings. Finally Some Documentation.

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