I really feel that I should learn Lisp and there are plenty of good resources out there to help me do it. 29 Answers ...

... @BrDaHa is correct.You'll need to TimeZone.setDefault() before calling getTime() so that the new date object will be in the time zone that you want. In JDK 1.8, Calendar.getTime() calls return new Date(getTimeInMillis());. – jpllosa May 9 '17 at 9:29...

...s can be added. In fact, it does not necessarily represent a collection at all! For example: IEnumerable<string> ReadLines() { string s; do { s = Console.ReadLine(); yield return s; } while (!string.IsNullOrEmpty(s)); } IEnumerable<string> lines ...

...hen presses the back button, to get back to the old page; and not just put all my data into the rootscope. The final result is to have a service for each controller. In the controller, you just have functions and variables that you dont care about, if they are cleared. The service for the control...

... It's just the way that condition variables are (or were originally) implemented. The mutex is used to protect the condition variable itself. That's why you need it locked before you do a wait. The wait will "atomically" unlock the mutex, allowing others access to the condition variabl...

... accomplish the same task with either an AsyncTask or a Service however usually one is better suited to a task than the other. AsyncTasks are designed for once-off time-consuming tasks that cannot be run of the UI thread. A common example is fetching/processing data when a button is pressed. Servi...

... is that VS is acquiring a lock on a file and then not releasing it. Ironically, that lock prevents VS itself from deleting the file so that it can recreate it when you rebuild the application. The only apparent solution is to close and restart VS so that it will release the lock on the file. My o...

... Define a callback interface to receive whatever parameters you want to pass along in the completion notification. Then invoke it at the end of the task. You could even write a general wrapper for Runnable tasks, and submit these to E...

...ics need to be updated on screen. Assume to repaint the graphics you must call "Display.update()". The classical approach is to solve this by adding more code. At the end of each set method you write void set...(...) { : : Display.update(); } If you have 3 set-methods, that is not a pro...

...dware. For instance, one easy optimization you can make involves not actually trying to draw things that can't be seen. Consider a complex scene like a cityscape from Grand Theft Auto IV. The renderer isn't actually rendering all of the buildings and structures. Instead, it's rendering only what t...