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How do you clear a slice in Go?

.... See playground package main import ( "fmt" ) func dump(letters []string) { fmt.Println("letters = ", letters) fmt.Println(cap(letters)) fmt.Println(len(letters)) for i := range letters { fmt.Println(i, letters[i]) } } func main() { letters := []string{"a", ...
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Why use non-member begin and end functions in C++11?

... } Then using the member functions breaks your code for T = C arrays, C strings, enums, etc. By using the non-member functions, you advertise a more generic interface that people can easily extend. By using the free function interface: template <class T> void foo(T& v) { auto i = beg...
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Does C# have extension properties?

...t syntactic sugar adding a possibility to define an extended property like string Data(this MyClass instance) as an alias for extension method string GetData(this MyClass instance) as it stores data into the class. I hope that C#7 will provide a full featured extension everything (properties and fi...
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Get the current user, within an ApiController action, without passing the userID as a parameter

...n ApiController. So the following two statements are basically the same: string id; id = User.Identity.GetUserId(); id = RequestContext.Principal.Identity.GetUserId(); share | improve this answer...
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Setting EditText imeOptions to actionNext has no effect

...STUVWXYZ- " android:ellipsize="end" android:hint="@string/first_name" android:imeOptions="actionNext" android:inputType="textCapWords" android:maxLength="35" android:maxLines="1" /> Working Code <android.support...
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Javascript - How to extract filename from a file input control

...IndexOf('\\') : fullPath.lastIndexOf('/')); var filename = fullPath.substring(startIndex); if (filename.indexOf('\\') === 0 || filename.indexOf('/') === 0) { filename = filename.substring(1); } alert(filename); } ...
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How to get unique device hardware id in Android? [duplicate]

...ations.html ANDROID_ID import android.provider.Settings.Secure; private String android_id = Secure.getString(getContext().getContentResolver(), Secure.ANDROID_ID); The above is from the link @ Is there a unique Android device ID? More specif...
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Execute AsyncTask several times

...ute("your parameter"); static class FirmwareDownload extends AsyncTask<String, String, String> { } share | improve this answer | follow | ...
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How to store a list in a column of a database table

...ding on localization), and stitch those together. Otherwise we'd not store strings of text at all. On the other hand, all he wants is a string of strings. And there are ways to do that. – Haakon Løtveit May 25 '17 at 9:36 ...
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Regular Expression: Any character that is NOT a letter or number

...lace(/[^\w]/); It will replace all the non-alphabets and numbers from your string! Edit 1: str.replace(/[^\w]/g, ' ') share | improve this answer | follow | ...