What I would like to do is use Eclipse for (…) The Eclipse IDE for Java EE Developers allows to do what you’re asking for out of the box. Should I download a totally new version from Eclipse site or can I just ADD necessary features/plugins to my current Eclipse setup. Both would work, although … Read more
This error can occur when the local network system aborts a connection, such as when WinSock closes an established connection after data retransmission fails (receiver never acknowledges data sent on a datastream socket). See this MSDN article. See also Some information about ‘Software caused connection abort’.
Yes. Depending on your exact case: You can use java.util.Calendar: Calendar c = Calendar.getInstance(); c.setTime(yourDate); int dayOfWeek = c.get(Calendar.DAY_OF_WEEK); if you need the output to be Tue rather than 3 (Days of week are indexed starting at 1 for Sunday, see Calendar.SUNDAY), instead of going through a calendar, just reformat the string: new SimpleDateFormat(“EE”).format(date) (EE … Read more
Well, the error “The value of local variable p is not used.”, Is not actually an error. It’s your IDE (Eclipse), warning you that you aren’t actually reading that variable, so you aren’t receiving any input from it. And the other problem with your class is, you don’t have a main method. Like this, And … Read more
ServiceConnection is an interface, and classes can’t extend interfaces. Use implements instead
You never want to call thread.sleep() on the UI thread as it sounds like you have figured out. This freezes the UI and is always a bad thing to do. You can use a separate Thread and postDelayed This SO answer shows how to do that as well as several other options Handler TimerTask You … Read more
The serialVersionUID is a universal version identifier for a Serializable class. Deserialization uses this number to ensure that a loaded class corresponds exactly to a serialized object. If no match is found, then an InvalidClassException is thrown.
This question has been asked and answered many times: Read file from serial port using Java Reading serial port in Java Reading file from serial port in Java Is there Java library or framework for accessing Serial ports? Java Serial Communication on Windows to reference a few. Personally I recommend SerialPort from http://serialio.com – it’s … Read more
The Wikipedia article will have a lot of technical information, but a simplistic view of hashing is something like the following. Imagine that there’s a magical function that can give a number to any object. Given the same object, it always return the same number. Immediately now you have a quick way to test if … Read more