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What's the dSYM and how to use it? (iOS SDK)

... 0x000000018f3c9380 closure #1 in closure #1 in closure #1 in _assertionFailure+ 217984 (_:_:file:line:flags:) + 452 1 libswiftCore.dylib 0x000000018f3c9380 closure #1 in closure #1 in closure #1 in _assertionFailure+ 217984 (_:_:file:line:flags:) + 452 2 libswiftCore.d...
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Why can't I see the “Report Data” window when creating reports?

... After I accidentally closed this window, I took an hour to find how to bring it back up. The right answer is indeed: View-->Report Data (ctrl+alt+D) The tricky part: the 'Report Data' entry does not always appear in the 'View' dropdown...
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Illegal pattern character 'T' when parsing a date string to java.util.Date

...ant.parse("2015-04-28T14:23:38.521Z") and get the correct thing now, especially since you should be using Instant instead of the broken java.util.Date with the most recent versions of Java. You should be using DateTimeFormatter instead of SimpleDateFormatter as well. Original Answer: The expl...
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Using the Android Application class to persist data

..., the Application class does not have the same life-cycle (i.e. it is, for all intents and purposes, always instantiated). Does it make sense to store the state information inside of the application class and then reference it from the Activity, or is that generally not the "acceptable" method due ...
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What happens to a detached thread when main() exits?

..._local) variables of other threads nor static objects. This appears to be allowed to allow thread managers as static objects (note in [basic.start.term]/4 says as much, thanks to @dyp for the pointer). Problems arise when the destruction of static objects has finished, because then execution enter...
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How do you UrlEncode without using System.Web?

I am trying to write a windows client application that calls a web site for data. To keep the install to a minimum I am trying only use dlls in the .NET Framework Client Profile . Trouble is that I need to UrlEncode some parameters, is there an easy way to do this without importing System.Web.dll w...
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Interface defining a constructor signature?

...ult in Google some 7 years later, I thought I would chip in here - specifically to show how you could use an abstract base class in tandem with your existing Interface and maybe cut down on the amount of refactoring needed in the future for similar situations. This concept has already been hinted a...
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Changing the cursor in WPF sometimes works, sometimes doesn't

...deCursor: Mouse.OverrideCursor = Cursors.Wait; try { // do stuff } finally { Mouse.OverrideCursor = null; } This overrides the cursor for your application rather than just for a part of its UI, so the problem you're describing goes away. ...
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What's the difference between eval, exec, and compile?

... The short answer, or TL;DR Basically, eval is used to evaluate a single dynamically generated Python expression, and exec is used to execute dynamically generated Python code only for its side effects. eval and exec have these two differences: eval accep...
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How to copy an object in Objective-C

...deep, logical copy. In this, we make a copy of the object, but without actually doing it bit by bit - we want an object that behaves the same for all intents and purposes, but isn't (necessarily) a memory-identical clone of the original - the Objective C manual calls such an object "functionally ind...