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How do I convert a NSString into a std::string?

I have an NSString object and want to convert it into a std::string . 3 Answers 3 ...
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Is HttpClient safe to use concurrently?

In all the examples I can find of usages of HttpClient , it is used for one off calls. But what if I have a persistent client situation, where several requests can be made concurrently? Basically, is it safe to call client.PostAsync on 2 threads at once against the same instance of HttpClient . ...
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How to concatenate two IEnumerable into a new IEnumerable?

I have two instances of IEnumerable<T> (with the same T ). I want a new instance of IEnumerable<T> which is the concatenation of both. ...
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How can I find out if I have Xcode commandline tools installed?

I need to use gdb. 6 Answers 6 ...
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HTTP Basic Authentication - what's the expected web browser experience?

When a server allows access via Basic HTTP Authentication, what is the experience expected to be in a web browser ? 6 Answ...
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contenteditable, set caret at the end of the text (cross-browser)

output in Chrome : 4 Answers 4 ...
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Sass - Converting Hex to RGBa for background opacity

I have the following Sass mixin, which is a half complete modification of an RGBa example : 5 Answers ...
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Intercepting links from the browser to open my Android app

I'd like to be able to prompt my app to open a link when user clicks on an URL of a given pattern instead of allowing the browser to open it. This could be when the user is on a web page in the browser or in an email client or within a WebView in a freshly-minted app. ...
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jQuery append() - return appended elements

I'm using jQuery.append() to add some elements dynamically. Is there any way to get a jQuery collection or array of these newly inserted elements? ...
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Help with C# generics error - “The type 'T' must be a non-nullable value type

I'm new to C# and don't understand why the following code doesn't work. 4 Answers 4 ...