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Neat HTML5 features: Offline Web Applications

Since I work quite a bit with HTML5 I decided to write about it whenever I discover a feature that I think is quite neat. So this blog post is about “Offline Web Applications”. This is based on the functionality described here: http://www.whatwg.org/specs/web-apps/current-work/multipage/offline.html. If you take a look at it you’ll find that this is rather cryptic and dry. So here is a short step by step description on how this works.

Hackathon Intel na Unicamp: 2 dias de pura diversão com HTML5 !

Nos dias 3 e 4 de dezembro tive o prazer de organizar, pelo grupo de Software da Intel, um Hackathon com foco no desenvolvimento de Apps educacionais com HTML5 para Android na UNICAMP em Campinas, São Paulo. Contamos com 26 desenvolvedores, que durante dois dias desenvolveram 7 aplicativos educacionais e de código aberto.

Um Hackathon é uma maratona intensiva de colaboração em desenvolvimento de aplicativos que conta com a participação não apenas de programadores, mas de diversos profissionais com ideias, braços e mentes focados no desenvolvimento de aplicativos.

Android开发中的多线程编程技术

多线程这个令人生畏的“洪水猛兽”,很多人谈起多线程都心存畏惧。在Android开发过程中,多线程真的很难吗?多线程程序的“麻烦”源于它很抽象、与单线程程序运行模式不同,但只要掌握了它们的区别,编写多线程程序就会很容易了。下面让我们集中精力开始学习吧!

  多线程案例——计时器

  我在给我的学生讲多线程的时候都会举一个计时器的案例,因为计时器案例是多线程的经典应用。

  这个案例中,屏幕启动之后,进入如图8-1所示的界面。

  屏幕上有一个文本框用于显示逝去的时间,此外还有一个“停止计时”按钮。案例的用例图如图8-2所示。

  

  ▲图8-1 计时器界面

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    There are so many examples of applications using pre-processing strategy that it is trivial. For example using a webcam we often find the device driver doing some software adjustments and corrections such as white balancing. Too often we find devices using software features. Other examples would be in a pipeline and User Interfaces. When it comes to UI we already learned to fill the list when the user clicks the drop-down, so only when the user really wants to use the list we will "pay" for the data.

    GCC x86 performance hints

          People say that GCC (GNU Compiler Collection) cannot generate effective code compared to other proprietary compilers. Is it a myth or reality? We will try to figure out how things really are with GCC. So, how can GCC compiler produce more effective code? We will describe some optional hints for x86 Linux platform "C", "C++" and "Fortran" compilation that help you get more performance from GCC. It should be useful for those customers and developers who need higher performance, but do not use proprietary compilers for various reasons.

    [VIDEO] Nerd@Work: l'importanza di una solida Community

     

     

     

    Divertente video realizzato dal team di Intel Software Network per far capire l'importanza della community: iscritti preparati e disposti a darti una mano nel risolvere i tuoi problemi di coding. Se hai problemi non diventare matto, apri una discussione contenente il tuo problema nel nostro forum e aspetta le risposte degli altri utenti!

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