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Converting numpy dtypes to native python types

...np.int,np.bool, np.complex, and np.object. The Numpy types have a trailing _, e.g. np.str_. – Mike T Jan 8 '19 at 20:28 2 ...
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Why does installing Nokogiri on Mac OS fail with libiconv is missing?

...official solution from the Nokogiri docs (nokogiri.org/tutorials/installing_nokogiri.html#mac_os_x), and the only one that worked on El Capitan. The accepted solution did not work there. – Johannes Oct 17 '15 at 20:11 ...
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CoffeeScript, When to use fat arrow (=>) over arrow (->) and vice versa

...just call DummyClass. class DummyClass constructor : () -> some_function : () -> return "some_function" other_function : () => return "other_function" dummy = new DummyClass() dummy.some_function() == "some_function" # true dummy.other_function() == "other...
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How do I format a date with Dart?

... You can use the intl package (installer) to format dates. For en_US formats, it's quite simple: import 'package:intl/intl.dart'; main() { final DateTime now = DateTime.now(); final DateFormat formatter = DateFormat('yyyy-MM-dd'); final String formatted = formatter.format(now); pr...
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Convert an NSURL to an NSString

...[myURL absoluteString]; But I had met this error and xcode was crashed. -[__NSCFString absoluteString]: unrecognized selector sent to instance 0x791a18e0 – Võ Mai Trinh Jun 22 '15 at 9:39 ...
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When is -XAllowAmbiguousTypes appropriate?

... Foo a where whichOne :: a -> String instance Foo a where whichOne _ = "a" instance Foo [a] where whichOne _ = "[a]" -- | -- >>> main -- [a] main :: IO () main = putStrLn $ whichOne (undefined :: [Int]) But GHC is not okay with overlapping instances when neither is clearly a b...
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Simple way to encode a string according to a password?

...ement. Something like: import base64 def encode(key, string): encoded_chars = [] for i in xrange(len(string)): key_c = key[i % len(key)] encoded_c = chr(ord(string[i]) + ord(key_c) % 256) encoded_chars.append(encoded_c) encoded_string = "".join(encoded_chars) ...
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What's the difference between ViewData and ViewBag?

...ed, here is the source: http://www.asp.net/whitepapers/mvc3-release-notes#_Toc2_4 MVC 2 controllers support a ViewData property that enables you to pass data to a view template using a late-bound dictionary API. In MVC 3, you can also use somewhat simpler syntax with the ViewBag prope...
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mongoose vs mongodb (nodejs modules/extensions), which better? and why?

.... instead of doing something like mongooseInstace.model('MyCollection', { "_id": Number, "xyz": String }) it's better to do (even though the collection name is really MyCollection): mongooseInstace.model('mycollection', { "_id": Number, "xyz": String }) But honestly, it's really useful. The bigges...
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Define variable to use with IN operator (T-SQL)

...T @sql = 'SELECT * FROM myTable WHERE myColumn in (' + @list + ')' exec sp_executeSQL @sql 3) A possible third option is table variables. If you have SQl Server 2005 you can use a table variable. If your on Sql Server 2008 you can even pass whole table variables in as a parameter to stored proced...