R&D lab in computer and software engineering

The CCISEL (ISEL Centro de Cálculo) was founded as an autonomous organization in 1975, and was responsible for promoting ISEL in the study of digital systems, microprocessors and computer science and engineering. Our activities are carried out in three core areas:
  • Expertise advisory, research and development
  • Technological training courses
  • Pedagogical activity
More news...
Dotnet

20 years after, still Dotnet events and delegates

Almost 20 years after, Dotnet is still on the race and many developers are still misunderstanding the weird conception between Events and Delegates. Today, we have already abandoned Events and MulticasteDelegate from...
Miguel Gamboa
Software Developer
Javascript

JavaScript known behavior or specification?

What is the expected behavior from the following usage that manages two Promises (one rejected on creation and other fulfilled after a 100 milliseconds timeout), which results in another rejected Promise? const f = async () => {...
Pedro Félix
Software Developer
Academia

New navigation on curricular programme diagram

CCISEL site has been updated to include a navigation structure that leads to the LEIC curriculum pages, both in English and Portuguese. We are aiming to provide easy and fast navigation capabilities...
Pedro Pereira
Computer Engineer
Embedded systems

Battery charge should last for months (Monitoring hives - part 2)

Battery charge is an important issue in the hive monitoring device to avoid the need of in-loco support just to charge the battery. So, how long should last the charge of a...
João Pedro Patriarca
Software Developer
Kotlin

Suspending functions, coroutines and state machines

How the well-known Continuation-passing style proposed in 1975 relates with state-of-the-art Kotlin’s suspend functions and coroutines? In the following posts, CCISEL engineer Pedro Félix answered this question and wrote about these topics:...
Pedro Félix
Software Developer