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Java Security: Illegal key size or default parameters?

... Most likely you don't have the unlimited strength file installed now. You may need to download this file: Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files 6 Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files 7 Download Ja...
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back button callback in navigationController in iOS

...elegate if it should pop the top UINavigationItem by calling navigationBar(_:shouldPop:). UINavigationController actually implement this, but it doesn't publicly declare that it adopts UINavigationBarDelegate (why!?). To intercept this event, create a subclass of UINavigationController, declare its ...
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How do I get a list of all the duplicate items using pandas in python?

...rt issues. I would like to get a list of the duplicate items so I can manually compare them. When I try to use pandas duplicated method , it only returns the first duplicate. Is there a a way to get all of the duplicates and not just the first one? ...
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Does order of where clauses matter in SQL?

Let's say I have a table called PEOPLE having 3 columns ID, LastName, FirstName , none of these columns are indexed. LastName is more unique, and FirstName is less unique. ...
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How to update Python?

I have version 2.7 installed from early 2012. I can't find any consensus on whether I should completely uninstall and wipe this version before putting on the latest version. ...
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submit a form in a new tab

...to test some functions, after I'll avoid this behaviour) to load the page called by submit on a new tab : is it possible? 8...
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Python: Using .format() on a Unicode-escaped string

...gt; print s ≥ >>> print "{0}".format(s) Traceback (most recent call last): File "<stdin>", line 1, in <module> UnicodeEncodeError: 'ascii' codec can't encode character u'\u2265' in position 0: ordinal not in range(128) >>> print u"{0}".format(s) ≥ >>> ...
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what is the difference between 'transform' and 'fit_transform' in sklearn

...is meant for when you have already computed PCA, i.e. if you have already called its .fit method. In [12]: pc2 = RandomizedPCA(n_components=3) In [13]: pc2.transform(X) # can't transform because it does not know how to do it. -------------------------------------------------------------------------...
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machine learning libraries in C# [closed]

...asses: public class TrainingSet { private readonly List<string> _attributes = new List<string>(); private readonly List<List<object>> _examples = new List<List<object>>(); public TrainingSet(params string[] attributes) { _attributes.AddRang...
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How do I show a Save As dialog in WPF?

...alog dialog = new SaveFileDialog() { Filter = "Text Files(*.txt)|*.txt|All(*.*)|*" }; if (dialog.ShowDialog() == true) { File.WriteAllText(dialog.FileName, fileText); } share | improve th...