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Why doesn't await on Task.WhenAll throw an AggregateException?

... but I read somewhere that with new async/await keywords, they unwrap the AggregateException into the actual exception. So, in catch block, you get the actual exception and not the aggregated one. This helps us write more natural and intuitive code. This was also needed for easier conversion of exis...
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What is a “callable”?

... is , there is an associated concept that I use all the time without knowing what it really means. 12 Answers ...
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UIView with rounded corners and drop shadow?

I’ve been working on an application for a couple of years and received a simple design request: Round the corners on a UIView and add a drop shadow.To do as given below. ...
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How to check if a string contains a substring in Bash

I have a string in Bash: 26 Answers 26 ...
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How to flush output of print function?

... On Python 3, print can take an optional flush argument print("Hello world!", flush=True) On Python 2 you'll have to do import sys sys.stdout.flush() after calling print. By default, print prints to sys.stdout (see the documentation for more about file objects). ...
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Is asynchronous jdbc call possible?

...he proposed approaches that wrap JDBC calls in Actors, executors or anything else can help here - can someone clarify. Surely the basic problem is that the JDBC operations block on socket IO. When it does this it blocks the Thread its running on - end of story. Whatever wrapping framework you choos...
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What is Func, how and when is it used

What is Func<> and what is it used for? 7 Answers 7 ...
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Numpy `logical_or` for more than two arguments

Numpy's logical_or function takes no more than two arrays to compare. How can I find the union of more than two arrays? (The same question could be asked with regard to Numpy's logical_and and obtaining the intersection of more than two arrays.) ...
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Using Emacs to recursively find and replace in text files not already open

As a follow-up to this question , it's trying to find out how to do something like this which should be easy, that especially stops me from getting more used to using Emacs and instead starting up the editor I'm already familiar with. I use the example here fairly often in editing multiple files. ...
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Do I need to disable NSLog before release Application?

When releasing an app for iPhone, if I disable NSLog(); will it perform better? 12 Answers ...