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Getting time elapsed in Objective-C

...er to use Apple's function CACurrentMediaTime! I also benchmarked the mach_timebase_info call and it takes approximately 19ns on my iPhone 6, so I removed the (not threadsafe) code which was caching the output of that call. #include <mach/mach.h> #include <mach/mach_time.h> uint64_t g...
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Dispelling the UIImage imageNamed: FUD

...ister thread on the Apple Dev Forums received some better traffic. Specifically Rincewind added some authority. There are issues in iPhone OS 2.x where the imageNamed: cache would not be cleared, even after a memory warning. At the same time +imageNamed: has gotten a lot of use not for the cache, b...
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How do I mock an autowired @Value field in Spring with Mockito?

...ework.util.ReflectionUtils can not access a member of class com.kaleidofin.app.service.impl.CVLKRAProvider with modifiers "" at org.springframework.util.ReflectionUtils.handleReflectionException(ReflectionUtils.java:112) at org.springframework.util.ReflectionUtils.setField(ReflectionUtils.java:65...
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What happens if you static_cast invalid value to enum class?

...ue is specified(*), and no Undefined Behaviour (UB) is involved. More generally, as you cast from the underlying type to the enumeration type, no value in data[0] can lead to UB for the static_cast. After CWG 1766 (C++17) See CWG defect 1766. The [expr.static.cast]p10 paragraph has been strengthene...
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Eclipse: How do i refresh an entire workspace? F5 doesn't do it

...with a bunch of java projects. If I go to File->Refresh , it doesn't really refresh anything (perhaps the currently selected project). How do I get eclipse to refresh all of the projects? ...
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Difference between DateTime and Time in Ruby

... Newer versions of Ruby (2.0+) do not really have significant differences between the two classes. Some libraries will use one or the other for historical reasons, but new code does not necessarily need to be concerned. Picking one for consistency is probably best,...
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A potentially dangerous Request.Path value was detected from the client (*)

...mvc attribute on an action so I don't have to turn this off for the entire app? Similar to this answer here: stackoverflow.com/a/1540976/298758 – longda May 30 '13 at 23:01 4 ...
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How to export revision history from mercurial or git to cvs?

...en we finish or maybe every once in a while we want to commit our code and all of our revision history to cvs. We don't have write access to the project's cvs repo so we can't commit very frequently. What tool can we use to export our revision history to cvs? Currently we were thinking of using git ...
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What is the simplest and most robust way to get the user's current location on Android?

... Here's what I do: First of all I check what providers are enabled. Some may be disabled on the device, some may be disabled in application manifest. If any provider is available I start location listeners and timeout timer. It's 20 seconds in my exampl...
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How can I decrease the size of Ratingbar?

...et.Material.RatingBar.Small (assuming you're using Material Design in your app). Option 1: <RatingBar android:id="@+id/ratingBar" style="?android:attr/ratingBarStyleSmall" ... /> Option 2: // styles.xml <style name="customRatingBar" parent="android:style/Widget.Mater...