Polyglots R Us

Anti-Pattern: Too much of your application is about interacting with external resources

Firstly, what am I talking about? Applications that meet some of the following descriptions: Stored procedures with a fair amount of conditional logic or complicated business rules buried in a sub-query (some would argue sprocs at all). Web pages with...

Published Thu, Jul 15 2010 10:24 PM by Ryan Svihla

Filed under: Anti-Patterns

Project Management in Java: A Confused .NET Developer’s Perspective

When I was first introduced to workplace Java the amount of ways one could define a project appeared to be restrictive, confusing and a point of frequent friction. While those things may all be true, it’s a great deal better than I would have expected...

Published Mon, Jul 12 2010 7:00 AM by Ryan Svihla

Filed under: Maven, MSBuild, Ivy, Java

MySQL 5 Performance Tuning Toolkit

Recently we’d played with table partitioning and because of the limitations of it and some decisions we’d made a very long time ago we ended up spending a couple of days tracking down hotspots. In the process I picked up a few tricks, I’m not even an...

Published Thu, Jul 01 2010 10:57 PM by Ryan Svihla

Filed under: MySQL

Java Dependency Management with Apache Ivy

Not wanting to ditch your already built well working ant scripts for the plugin-centric view of Maven, especially if your project structure doesn't line up quite right with Maven's point of view? Enter Apache Ivy which like Maven can automatically download...

Published Tue, Jun 29 2010 9:10 AM by Ryan Svihla

Hibernate Connection Pooling: why isn't the default one for production?

Hibernate unlike NHibernate comes with a variety of connection pooling options. The three primary ones of which I'm aware are Proxool , Apache DBCP , and c3p0 . I myself have only so far used c3p0 and it works quite well having saved me from a couple...

Published Sat, Jun 26 2010 9:50 AM by Ryan Svihla

Dynamic DNS with Amazon EC2 Linux and EveryDNS

So I finally sat down and did the math and found out Amazon EC2 was quite a bit cheaper than what I’d been paying for hosting as long as I was willing to prepay for at least a year. However, with EC2 you are getting a dynamic ip’s so what to do...

Published Sun, Jun 06 2010 2:02 PM by Ryan Svihla

Filed under: EC2

Projects in Java with Maven 2

NOTE: due to issues with spam I’ve turned off comments, I’ve cross posted on my old blogger account if you have comments. For those of you who don’t know Maven is a build tool/dependency manager/project model. Those in the Microsoft space can probably...

Published Sat, May 22 2010 10:56 PM by Ryan Svihla

Hudson CI Server: setting up remote slaves AND restrictive security together

NOTE: this applies to Hudson version 1.352 Ok so yesterday I was setting up a publicly accessible build server, that was not to be viewable to anonymous sources. So I configured Hudson to “matrix security” and disallowed all access to anonymous see fig...

Published Wed, Apr 14 2010 10:35 AM by Ryan Svihla

Filed under: CI, Hudson

Come see my Boo talk at Alamo Coders on the 14th

UPDATE: added links for video, slides and source S ubject: Boo: The Extensible Little Language On The CLR You've Never Heard Of. When: Wednesday April 14th at 5:45pm Where: New Horizons In San Antonio map Summary: I will be covering Boo basics, advanced...

Published Tue, Apr 13 2010 3:03 PM by Ryan Svihla

Filed under: Boo

Domain Specific Languages with Boo: AST Macros

For those of you who don’t know what Boo is its a statically typed CLR language with Python like syntax that lets you extend it’s compiler, and the language itself easily by giving you access to the AST (Abstract Syntax Tree) and compiler’s context directly...

Published Sun, Apr 04 2010 10:40 PM by Ryan Svihla

Filed under: Boo, DSL

Newbie Win32 Development Using Python

First a disclaimer. I’m not in anyway shape or form an experienced win32 systems programmer. I’ve always done application development or systems administration scripting. That in-between area where you get out your C/C++ compiler and start dealing...

Published Fri, Jan 15 2010 11:35 PM by Ryan Svihla

Filed under: Python, DotNet

Adventures in Meta programming in Python: im_class, import, getattribute

With my recent work in Python win32 programming I’ve had a real need for AAA style mocking framework. Unable to find anything that I’ve been completely happy with I started my own simple mocking framework and got to learn some Python style...

Published Fri, Jan 08 2010 12:03 AM by Ryan Svihla

Filed under: Python

Take 3: Python, ISP, IoC, and OCP need a fundamental rethink.

In response to Julian’s thoughtful Dynamic Languages and SOLID Principles I’d have to argue he is about 95% there but is missing the last critical links needed to view this in a whole different light. For ISP, Julian says it all: Ultimately, I don't think...

Published Fri, Nov 20 2009 2:23 PM by Ryan Svihla

Filed under: Dynamic Langs, IoC

Take 2: Why we use SOLID in static languages and how we get the same functionality for cheap in dynamic languages

One of the things we do pretty well at Los Techies is explaining SOLID principles and why they make our code more maintainable and if you’re not familiar with our work on SOLID, read Chad Meyer's post to get an understanding on the Los Techies perspective...

Published Thu, Nov 19 2009 5:46 PM by Ryan Svihla

Filed under: Python, Dynamic Langs, SOLID

I recant my IoC! IoC containers in dynamic languages are silly.

After a year or so of solid Alt Dot Net infection (as far as infections go its a pretty awesome one to have), I decided to give Python a try again for more than one off sysadmin tasks, and to actually dive into it as a newly minted “Agilista”. However...

Published Mon, Nov 16 2009 5:28 PM by Ryan Svihla

Filed under: Python, Dynamic Langs, IoC

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