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Check if a class has a member function of a given signature

...oid ReportMemUsage(const TMap& m, std::true_type) { // We may call used_memory() on m here. } template<typename TMap> void ReportMemUsage(const TMap&, std::false_type) { } template<typename TMap> void ReportMemUsage(const TMap& m) { ReportMemUsage(m, std:...
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How can I read SMS messages from the device programmatically in Android?

...ForResult(intent, 1); }else { List<Sms> lst = getAllSms(); } }else { List<Sms> lst = getAllSms(); } Set app as default SMS app @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { if (requestCode == 1...
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Cast List to List in .NET 2.0

... I found that it works with VS2008 and .NET 2.0, as long as you have at least .NET 3.0 installed. see stackoverflow.com/questions/3341846/… – igelineau Oct 15 '14 at 14:26 ...
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Regular Expression for alphanumeric and underscores

...o or more of the given characters $ : end of string If you don't want to allow empty strings, use + instead of *. As others have pointed out, some regex languages have a shorthand form for [a-zA-Z0-9_]. In the .NET regex language, you can turn on ECMAScript behavior and use \w as a shorthand (y...
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mongodb/mongoose findMany - find all documents with IDs listed in array

I have an array of _ids and I want to get all docs accordingly, what's the best way to do it ? 5 Answers ...
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How to format a JavaScript date

...t (which is part of the ECMAScript Internationalization API), and then manually create a string with the delimiters you want. To do this, you can use DateTimeFormat#formatToParts. You could destructure the array, but that is not ideal, as the array output depends on the locale: // example 1 cons...
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How to deal with a slow SecureRandom generator?

If you want a cryptographically strong random numbers in Java, you use SecureRandom . Unfortunately, SecureRandom can be very slow. If it uses /dev/random on Linux, it can block waiting for sufficient entropy to build up. How do you avoid the performance penalty? ...
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Does C have a “foreach” loop construct?

Almost all languages have a foreach loop or something similar. Does C have one? Can you post some example code? 12 Answer...
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capturing self strongly in this block is likely to lead to a retain cycle

... Good answer, but I take small issue with you saying: “you can't refer to self or properties on self from within a block that will be strongly retained by self.” This is not strictly true. Please see my answer below. Better to say, “you must take...
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CSS – why doesn’t percentage height work? [duplicate]

...s house?</p> </div> </div> #inner will grow to be tall enough to contain the paragraph and #outer will grow to be tall enough to contain #inner. When you specify the height or width as a percentage, that's a percentage with respect to the element's parent. In the case of wid...