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Why do we need a pure virtual destructor in C++?

... Probably the real reason that pure virtual destructors are allowed is that to prohibit them would mean adding another rule to the language and there's no need for this rule since no ill-effects can come from allowing a pure virtual destructor. Nope, plain old virtual is enough. If...
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Testing if jQueryUI has loaded

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How to change a git submodule to point to a subfolder?

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How to get the top 10 values in postgresql?

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Replace None with NaN in pandas dataframe

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Benefit of using Parcelable instead of serializing object

...ivity using an intent, and the second is to pass a Parcelable to a service. These two mechanisms are not interchangeable and should not be confused. That is, the Parcelable is not meant to be passed to an activity. If you want to start an activity and pass it some data, use a...
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How do you install an APK file in the Android emulator?

I finally managed to obfuscate my Android application, now I want to test it by installing the APK file and running it on the emulator. ...
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Error handling in getJSON calls

...dle errors in a getJSON call? Im trying to reference a cross-domain script service using jsonp, how do you register an error method? ...
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generating GUID without hyphen

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Removing fields from struct or hiding them in JSON Response

I've created an API in Go that, upon being called, performs a query, creates an instance of a struct, and then encodes that struct as JSON before sending back to the caller. I'd now like to allow the caller to be able to select the specific fields they would like returned by passing in a "fields" G...