Here is a description of all items that will be on my local ballot for this upcoming election, along with my own personal recommendations on how I expect to vote, and why. For quite some time now, I've done this sort of research before elections; this time I decided to …
Once upon a time (in the dark ages of web application development) we built our applications as a single monolithic Perl CGI script, or perhaps a large JSP file containing the entire application. The code looked something like this:
costs.jsp
<% Cost[] costs = CostHelper.calculateCosts(loanData, currentDecision); %>
Current Costs:
Cost …
Posted Mon 27 October 2008 by mcherm in Uncategorized
Developers of web applications have quite a few different kinds of "attacks" to worry about. I will try to describe the major categories I know of, including one which is "new" as of the past month or so.
The most venerable is the SQL-injection attack (and related attacks …
Posted Thu 09 October 2008 by mcherm in Uncategorized
In a previous post I wrote about how nearly all web applications built on Java servlets suffer from potential threading issues. Web browsers can make multiple simultaneous requests, which will result in multiple threads concurrently modifying the (not threadsafe) HTTPSession. Most people just ignore the problems (which strike rarely), some …
Posted Tue 07 October 2008 by mcherm in Programming
Web servers are inherently threaded applications: their primary purpose is to serve up a website or web application to a large number of users. Essentially all of the frameworks for creating web applications, such as Java's "servlet" specification and all of the structure built on top of it, provide built-in …
Posted Tue 23 September 2008 by mcherm in Programming