Monthly Archives: September 2008

Generate a heatmap of your site

September 20, 2008 Jesper web development

I stumbled over a couple of very interesting sites today. Have you ever heard of Jacob Nielsen and heatmaps? Sure you have, how would you ever find this post unless you searched for “heatmap”,  right? (I also wrote about heatmaps … Continue reading →

Popularity: 5% [?]

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Creating a boxplot in Excel 2007 with negative values in dataset

September 16, 2008 Jesper Excel

Keywords: Excel, boxplot, box plot, stem and leaf plot, box and whiskers plot, negative values Dowload: Since my previous articles on boxplots in Excel, Improved advanced box-plot and whiskers chart in Excel and Box plot for Excel 2007, I have … Continue reading →

Popularity: 9% [?]

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Select a random row (like user or post) from your MySQL table

September 15, 2008 Jesper MySQL

I have beein using all kinds of strange constructs to be able to select a random row (often user or post) from table, and then I stubled over this on sitepoint forums: SELECT * FROM users WHERE age > 20 … Continue reading →

Popularity: 10% [?]

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