Category Archives: Technology

Slow Responses from the BrainTree Ruby Gem? Try This Fix.

A few weeks ago I was tasked with trying to mitigate some timeout issues in a client’s Rails app making BrainTree calls. This was becoming more of a problem as the client’s users built up more & more history in … Continue reading

Posted in Technology | Tagged , | Leave a comment

Calculating Standard Deviations in Ruby on Rails (and PostgreSQL)

I need to calculate some Bollinger Bands (BBs) for SwingTradeBot, which is built in Rails 4. Here’s a quick definition of Bollinger Bands: Bollinger BandsĀ® are volatility bands placed above and below a moving average. Volatility is based on the … Continue reading

Posted in Technology | Tagged , , | Leave a comment

Ruby / Rails Memoization Gems Memoist vs. Memoizable

I was just adding some memoization to a Rails app and I was exploring the available gems. I’d used Memoist in the past on another project but I couldn’t remember why I chose it over other gems. While researching today … Continue reading

Posted in Technology | Leave a comment

I’ve Finally Found a Rails 4.x Blogging Engine / Gem

I can’t believe how difficult it’s been to find a good solution for plugging a simple blog into an existing Rails app. I wanted to add a blog to SwingTradeBot, the new site I’m building but most answers to this … Continue reading

Posted in Blogging, Technology | Tagged , , | Leave a comment

Follow Your Favorite NFL Team on Your iPad in Flipboard

With N4MD’s new NFL coverage it’s simple to stay up-to-date on your favorite pro football team on your iPad. Simply add your team to your Flipboard favorites and you’ll be informed of all the important team news all season long. … Continue reading

Posted in Internet, Sports, Technology | Leave a comment

Lack of Indexes on Ultimate Tag Warrior Tables

Over the last week or so I’ve been on a mission to improve the performance of my web server, and especially MySQL. I took Arne’s advice and turned on the query cache. That helped but I still needed to do … Continue reading

Posted in Blogging, Technology | Leave a comment

Technorati Beta

Check out the revamped (and well designed) Technorati. Here’s what’s new in the beta release: We’ve improved the user experience, making Technorati accessible to more people and, specifically, people who are new to blogging. We’ve tried to make it very … Continue reading

Posted in Blogging, Internet, Technology | 1 Comment

Tabbed Browsing in IE 6

Too little, too late? A ploy to get you to install the MSN search toolbar? Weeks after promising tabs in its upcoming IE 7 release, Microsoft made the long-awaited browsing feature available for IE 6 through its MSN toolbar. With … Continue reading

Posted in Technology | 2 Comments

Interview with a Link / Comment Spammer

The Register interviewed a link spammer who revealed some of his methods and motivation. The bottom line — spammers can make up to seven figure incomes from some simple computer code. Some key points: For even a semi-competent programmer, writing … Continue reading

Posted in Blogging, Internet, Technology | 1 Comment

New Movable Type PlugIn for Fighting Comment Spam

If you’re using Movable Type be sure to install the new ‘nofollow’ plugin. It implements a new way of marking links in comments and trackbacks so that they will be ignored by search engines. Let’s see what the spammers do … Continue reading

Posted in Blogging, Internet, Technology | Comments Off on New Movable Type PlugIn for Fighting Comment Spam