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Show current key setting?

... By default mapleader is not set, and special string "<Leader>" means \. If you do: :echo mapleader you will get Undefined variable: mapleader Invalid expression: mapleader If you want to set special string "<Leader>" to a different key, say ",", which...
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How to do this using jQuery - document.getElementById(“selectlist”).value

...'s actually because jQuery uses a regular expression first to separate out strings in the selector to check by, and of course running the constructor: rquickExpr = /^(?:(<[\w\W]+>)[^>]*|#([\w-]*))$/ Whereas using a DOM element as an argument returns immediately with 'this'. So this: $...
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@Nullable annotation usage

...n Java8 or later there is a bit cleaner approach than an if block. public String foo(@Nullable String mayBeNothing) { return Optional.ofNullable(mayBeNothing).orElse("Really Nothing"); } You can also throw some exception in there by swapping .orElse to orElseThrow(() -> new Exception("Dont...
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Can you put two conditions in an xslt test attribute?

...ber(), though. Could it be that without number() the value is treated as a string and you can't compare numbers with a string? Anyway, hope this saves someone a lot of searching... share | improve ...
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How to remove a lua table entry by its key?

I have a lua table that I use as a hashmap, ie with string keys : 1 Answer 1 ...
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Overload constructor for Scala's Case Classes?

...ve to use the "new" keyword. scala> case class A(i: Int) { def this(s: String) = this(s.toInt) } defined class A scala> A(1) res0: A = A(1) scala> A("2") <console>:8: error: type mismatch; found : java.lang.String("2") required: Int A("2") ^ scala> new A("2"...
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Find commit by hash SHA in Git

...Pretty Formats section of the git show documentation contains format:<string> The format:<string> format allows you to specify which information you want to show. It works a little bit like printf format, with the notable exception that you get a newline with %n instead of \n … The ...
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Custom error pages on asp.net MVC3

...e) { case 403: httpContext.RewritePath(string.Format("/Errors/Http403", true)); break; case 404: httpContext.RewritePath(string.Format("/Errors/Http404", true)); break; default: ...
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Reference: Comparing PHP's print and echo

... evaluates its single argument e and type-casts the resulting value to a string s. (Thus, print e is equivalent to print (string) e.) Streams the string s to the output buffer (which eventually will be streamed to the standard output). Evaluates to the integer 1. Differences at the bytecode leve...
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Android: Bitmaps loaded from gallery are rotated in ImageView

...rsor cursor = context.getContentResolver().query(photoUri, new String[] { MediaStore.Images.ImageColumns.ORIENTATION }, null, null, null); if (cursor.getCount() != 1) { return -1; } cursor.moveToFirst(); return cursor.getInt(0); } And then you can get a rotate...