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Add single element to array in numpy

... Try this: np.concatenate((a, np.array([a[0]]))) http://docs.scipy.org/doc/numpy/reference/generated/numpy.concatenate.html concatenate needs both elements to be numpy arrays; however, a[0] is not an array. That is why it does not work. ...
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How to write a UTF-8 file with Java?

...of the answers given here wont work since java's UTF-8 writing is bugged. http://tripoverit.blogspot.com/2007/04/javas-utf-8-and-unicode-writing-is.html share | improve this answer | ...
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onConfigurationChanged not getting called

...activity, even when running on an Android 3.2 or higher device). (From http://developer.android.com/guide/topics/resources/runtime-changes.html) TL;DR: add "|screenSize" to configChanges when targeting API level 13+ sha...
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How to create a sequence of integers in C#?

...11); Generates a sequence of integral numbers within a specified range. http://msdn.microsoft.com/en-us/library/system.linq.enumerable.range.aspx share | improve this answer | ...
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Is Random class thread safe?

... It is thread safe, although it wasn't always. See http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6362070 for more details. share | improve this answer | ...
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Java Set retain order?

... the original, regardless of the original set's implementation:" Source : http://docs.oracle.com/javase/6/docs/api/java/util/LinkedHashSet.html share | improve this answer | ...
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Can Flask have optional URL parameters?

...;userId>/<username>') def show(userId, username=None): pass https://flask.palletsprojects.com/en/1.1.x/quickstart/#unique-urls-redirection-behavior share | improve this answer ...
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In MVC, how do I return a string result?

... ContentResult does if (!String.IsNullOrEmpty(ContentType)) before setting HttpContext.Response.ContentType. I'm seeing text/html with your first example, either that's the default now or it's an educated guess by the HttpContext. – user247702 Mar 12 '14 at 10:...
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What's the difference between require and require-dev? [duplicate]

...led if install is run with --dev or if update is run without --no-dev. http://getcomposer.org/doc/04-schema.md 1. the packages used to develop a package share | improve this answer |...
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Java 8 Iterable.forEach() vs foreach loop

...ter) EDIT: Looks like some of the original proposals for lambdas (such as http://www.javac.info/closures-v06a.html Google Cache) solved some of the issues I mentioned (while adding their own complications, of course). share...