The Science of Blogging

Links for 2009-07-05

Postini: Google's take on e-mail security | Security - CNET News - To identify and block spam and viruses, the automated Postini system looks for key words or phrases that indicate it's an ad or something dangerous, as well as looks at the structure of the e-mail message and the headers, said Kevin Lund, a software engineer who developed a lot of the code the Postini system runs. The system scores each message on numerous combinations of criteria, assigning a weight to each and then comparing the score to those in a database of several hundred thousand message types that have been flagged as good or bad from Postini honey pots and customer spam reports. The system identifies and blocks more than 99 percent of the spam campaigns, according to Lund.
What Is Keyword Density? | LazyTechie - Keyword density is the ratio between the number of times a keyword or phrase appears on a web page to the total number of words contained on it. The normal range of keyword density is around 4-5% ,but it varies among search engines.
Compas Pascal: Jeff Atwood is wrong about performance - Jeff Atwood is wrong about performance. Jeff Atwood likes referring to his blog post about Hardware is cheap, programmers are expensive. where he writes: "Given the rapid advance of Moore's Law, when does it make sense to throw hardware at a programming problem? As a general rule, I'd say almost always." I totally disagree, of course, but here is why
Brewer's CAP Theorem - The three requirements are: Consistency, Availability and Partition Tolerance, giving Brewer's Theorem its other name - CAP.
What does a CEO do? A CEO Job Description by Stever Robbins - What do CEOs do? A CEO Job Description. Responsibility, duty, and all that… * Part 1: A CEO Job Description * Part 2: Measuring Success as a CEO * Part 3: Pitfalls and solutions for the CEO * Part 4: Coaching tips to stay sane and skillful at the top of the heap.

This is a collection of links I have bookmarked on del.icio.us for the date 2009-07-05