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Throw HttpResponseException or return Request.CreateErrorResponse?

... // If no exception handler registered for the exception type, fallback to default handler actionExecutedContext.Response = DefaultHandler( actionExecutedContext.Exception.GetBaseException(), actionExecutedContext.Request ); ...
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Execute a terminal command from a Cocoa app

...; NSFileHandle *file = pipe.fileHandleForReading; NSTask *task = [[NSTask alloc] init]; task.launchPath = @"/usr/bin/grep"; task.arguments = @[@"foo", @"bar.txt"]; task.standardOutput = pipe; [task launch]; NSData *data = [file readDataToEndOfFile]; [file closeFile]; NSString *grepOutput = [[NSS...
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What is the difference between `sorted(list)` vs `list.sort()`?

...sorts the list in-place, mutating the list indices, and returns None (like all in-place operations). sorted() works on any iterable, not just lists. Strings, tuples, dictionaries (you'll get the keys), generators, etc., returning a list containing all elements, sorted. Use list.sort() when you wa...
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How to access parent Iframe from JavaScript

...d Oct 10 '10 at 16:13 ingredient_15939ingredient_15939 2,78077 gold badges2727 silver badges4848 bronze badges ...
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AngularJS ng-click stopPropagation

... ngClick directive (as well as all other event directives) creates $event variable which is available on same scope. This variable is a reference to JS event object and can be used to call stopPropagation(): <table> <tr ng-repeat="user in users...
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How do you check in python whether a string contains only numbers?

....isdigit(): From the isdigit documentation: str.isdigit() Return True if all characters in the string are digits and there is at least one character, False otherwise. Digits include decimal characters and digits that need special handling, such as the compatibility superscript digits. This covers ...
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switch case statement error: case expressions must be constant expression

...instead of an if-else: private enum LayoutElement { NONE(-1), PLAY_BUTTON(R.id.playbtn), STOP_BUTTON(R.id.stopbtn), MENU_BUTTON(R.id.btnmenu); private static class _ { static SparseArray<LayoutElement> elements = new SparseArray<LayoutElement>(); } ...
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Trying to add adb to PATH variable OSX

.../bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin:/Libs/android-sdk-mac_x86/tools:/Libs/android-sdk-mac_x86/platform-tools You're missing the /Users/simon part. Also note that if you have both .profile and .bash_profile files, only the latter gets executed. ...
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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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Left align two graph edges (ggplot)

... Using cowplot package: A <- ggplot(CO2, aes(x=Plant)) + geom_bar() +coord_flip() B <- ggplot(CO2, aes(x=Type)) + geom_bar() +coord_flip() library(cowplot) plot_grid(A, B, ncol=1, align="v") share ...