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Constants in Objective-C

... Overall, great answer, with one glaring caveat: you DO NOT want to test for string equality with the == operator in Objective-C, since it tests memory address. Always use -isEqualToString: for this. You can easily get a different...
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How do I add a margin between bootstrap columns without wrapping [duplicate]

... Sep 25 '13 at 17:00 Charles IngallsCharles Ingalls 4,22755 gold badges2020 silver badges3232 bronze badges ...
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MySQL > Table doesn't exist. But it does (or it should)

I changed the datadir of a MySQL installation and all the bases moved correctly except for one. I can connect and USE the database. SHOW TABLES also returns me all the tables correctly, and the files of each table exists on the MySQL data directory. ...
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pandas dataframe columns scaling with sklearn

...and I'd like to apply sklearn's min_max_scaler to some of the columns. Ideally, I'd like to do these transformations in place, but haven't figured out a way to do that yet. I've written the following code that works: ...
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How can I use pointers in Java?

... All objects in Java are references and you can use them like pointers. abstract class Animal {... } class Lion extends Animal {... } class Tiger extends Animal { public Tiger() {...} public void growl(){...} } Tiger fi...
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Pass an array of integers to ASP.NET Web API?

...iptor.GetConverter(elementType); var values = Array.ConvertAll(s.Split(new[] { ","},StringSplitOptions.RemoveEmptyEntries), x => { return converter.ConvertFromString(x != null ? x.Trim() : x); }); var typedValues = Array.CreateInstance(elementT...
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How can I get nth element from a list?

... Personally I can't comprehend how an at-index accessor that doesn't return a Maybe type is acceptable as idiomatic Haskell. [1,2,3]!!6 will give you a runtime error. It could very easily be avoided if !! had the type [a] -> Int ...
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Why declare unicode by string in python?

...cepted since is the most complete one :) – Oscar Carballal Jul 3 '10 at 4:38 2 The default source...
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What are best practices for validating email addresses on iOS 2.0

... ; "]", or "\" Yes, that means +, ', etc are all legit. share | improve this answer | follow | ...
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Is Python strongly typed?

... Python is strongly, dynamically typed. Strong typing means that the type of a value doesn't change in unexpected ways. A string containing only digits doesn't magically become a number, as may happen in Perl. Every change of type requires an explicit...