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How to detect shake event with android?

...CCELEROMETER) { long curTime = System.currentTimeMillis(); // only allow one update every 100ms. if ((curTime - lastUpdate) > 100) { long diffTime = (curTime - lastUpdate); lastUpdate = curTime; x = values[SensorManager.DATA_X]; y = values[SensorManager.DATA_Y...
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Why does C# forbid generic attribute types?

...pful information either, although it does provide an example of what's not allowed. My copy of the annotated C# 3 spec should arrive tomorrow... I'll see if that gives any more information. Anyway, it's definitely a language decision rather than a runtime one. EDIT: Answer from Eric Lippert (parap...
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nginx showing blank PHP pages

...ginx that's shipped with Centos). I'd love to see the documentation around all of this improve. – Jorre Mar 27 '14 at 16:23 1 ...
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How can I find the last element in a List?

...elp. Enumerable.Last will throw an exception if the list is empty. If you call Enumerable.LastOrDefault and pass a list of value types the default value will be returned if the list is empty. So if you get 0 back from a List<int> you won't know if the list was empty or the last value was 0. I...
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Why is a ConcurrentModificationException thrown and how to debug it

...his will throw a ConcurrentModificationException when the it.hasNext() is called the second time. The correct approach would be Iterator it = map.entrySet().iterator(); while (it.hasNext()) { Entry item = it.next(); it.remove(); } Assuming this iterator supports the remo...
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Equation for testing if a point is inside a circle

If you have a circle with center (center_x, center_y) and radius radius , how do you test if a given point with coordinates (x, y) is inside the circle? ...
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windows service vs scheduled task

...ust need to figure out how to support failover... Original Answer: I'm really not a fan of Windows Scheduler. The user's password must be provided as @moodforall points out above, which is fun when someone changes that user's password. The other major annoyance with Windows Scheduler is that it r...
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How to read embedded resource text file

...rn it as a string? My current script uses a Windows form and textbox that allows the user to find and replace text in a text file that is not embedded. ...
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Handling applicationDidBecomeActive - “How can a view controller respond to the app becoming Active?

...tionDidBecomeActiveNotification and specify which method that you want to call when that notification gets sent to your application. [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(someMethod:) ...
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What exactly does @synthesize do?

...then will result in having two ivars, namely someInt plus an autogenerated _someInt variable. Thus self.someInt and someInt will not address the same variables any more. If you don't expect such behavior as I did this might get you some headache to find out. ...