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Why doesn't String switch statement support a null case?

...ver be executed. If the switch expression is of a reference type, that is, String or a boxed primitive type or an enum type, then a run-time error will occur if the expression evaluates to null at run time. In the judgment of the designers of the Java programming language, this is a better outcome t...
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Sort a list by multiple attributes?

...t one ascending and the second one descending? (Assume both attributes are strings, so no hacks like adding - for integers) – Martin Thoma Aug 5 '13 at 11:03 ...
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Best way to resolve file path too long exception

... For example, the maximum path on drive D is "D:\some 256-character path string<NUL>" where "<NUL>" represents the invisible terminating null character for the current system codepage. (The characters < > are used here for visual clarity and cannot be part of a valid path s...
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How should I read a file line-by-line in Python?

...ndle when it collects the file object, therefore as long as you don't have extra references to the file object and you don't disable GC and you're not opening many files in quick succession, you're unlikely to get "too many files open" due to not closing the file. – Lie Ryan ...
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How do I use Ruby for shell scripting?

....basename('dir/file.txt') #=> 'file.txt' File.join('a', 'bunch', 'of', 'strings') #=> 'a/bunch/of/strings' __FILE__ #=> the name of the current file Also useful from the stdlib is FileUtils require 'fileutils' #I know, no underscore is not ruby-like include FileUtils # Gives you access ...
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Automatic post-registration user authentication

...ny way to populate this variable in this login process? - I send the user (string) and password (string) as say the Reference: api.symfony.com/2.0/Symfony/Component/Security/Core/… – unairoldan May 28 '12 at 17:22 ...
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Why do you need to invoke an anonymous function on the same line?

...ess function and groups it, but does not call it. The second line groups a string. Both do nothing. (Vincent's first example.) (function (msg){alert(msg)}); ('SO'); // nothing. (foo); (msg); //Still nothing. But (foo) (msg); //works ...
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Cost of len() function

What is the cost of len() function for Python built-ins? (list/tuple/string/dictionary) 5 Answers ...
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Where and how is the _ViewStart.cshtml layout file linked?

...his in the view engine ViewLocationFormats = ViewLocationFormats.Union(new string[] { "~/Inspinia/ExampleViews/{1}/{0}.cshtml" }).ToArray();. As a result, I had to add a copy of my _ViewStart.cshtml file to "~/Inspinia/ExampleViews", otherwise it was not picked up and no layout was set. ...
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What are the differences between Pandas and NumPy+SciPy in Python? [closed]

... say that pandas is an alternative to Numpy and/or Scipy. Rather, it's an extra tool that provides a more streamlined way of working with numerical and tabular data in Python. You can use pandas data structures but freely draw on Numpy and Scipy functions to manipulate them. ...