"...things such as functions and methods look essentially the same, but they derive from very different ideas. A method reflects a behavior expected in the domain, and a function reflects a unit of execution in the machine. A message and a function call m[...]

Silverlight 5 brings native window and P/Invoke support for Silverlight desktop apps (elevated trust out-of-browser applications). The Silverlight Window class contains a subset of the properties and methods provided by in the equivalent WPF Window class.[...]

Yesterday I spent hours trying to figure out why a checkbox did not get checked (visually). When debugging the knockout code, it was clear that the DOM elements got checked. They did not update visually until another checkbox got checked. I tried other me[...]

Yesterday I spent hours trying to figure out why a checkbox did not get checked (visually). When debugging the knockout code, it was clear that the DOM elements got checked. They did not update visually until another checkbox got checked. I tried other me[...]

Back at Clojure/West in March I gave a talk about World Singles' real world use of Clojure to do "boring stuff": general purpose web application programming. The recording of my talk is now available on InfoQ. It's always a little odd to watch myself givi[...]

Considering a very simple finite state machine (FSM) such as a code lock which requires you to enter a 4-digit numeric code and upon which will open the lock for a brief few seconds. Such a FSM have two states: Locked and Open. Every time a key is entered[...]

See http://www.inf.puc-rio.br/~psw12/ The Web of Data is growing at an enormous pace. However, the development of dedicated software applications, capable to deal efficiently in information-rich spaces, of which the Semantic Web is one dimension, is notye[...]

"When the guidance comes from someone who is a genuine Master programmer, then it’s possible he/she is trying to show us something we don’t even know we don’t know. How can we find out, other than by exploring the suggested path?" Why should we do code ka[...]

Many programmers and engineers I’ve met say when asked about philosophy:<blockquote class="tr_bq"> - I don’t really care for it. It’s obsolete because of science.</blockquote> Could it be that it’s the engineering point of view? The view that some scient[...]