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How do I create a category in Xcode 6 or higher?

... and hidden everything under Objective-C or I think that they did. I personally don't get why Swift was added, Objective-C is such a beautiful and expressive language once you get to know it... It's Objects on top of C... Perrrfect – unom Aug 27 '14 at 18:07 ...
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Add a column with a default value to an existing table in SQL Server

...ed for Existing Records. If your Column is NOT NULL, then it will automatically use the Default Value     for all Existing Records, whether you specify WITH VALUES or not. How Inserts work with a Default-Constraint: If you insert a Record into SomeTable and do not Specify SomeCol's value, then it...
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Is there a .NET equivalent to Apache Hadoop? [closed]

... Have you looked at using Hadoop's streaming? I use it in python all the time :-). I'm starting to see that the heterogeneous approach is often the best and it looks like other folks are doing the same. If you look at projects like protocol-buffers or facebook's thrift you see that somet...
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Specifying rails version to use when creating a new application

I have two versions of rails (2.1.0 and 2.2.2) installed in my computer. 7 Answers 7 ...
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Error pushing to GitHub - insufficient permission for adding an object to repository database

... This will allow any new files created by another user to maintain the group permissions of the root directory. Otherwise, you'll have errors pushing up to the repository. See setuid and setgid – syvex ...
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What is correct HTTP status code when redirecting to a login page?

...pires header field. fits a login page most closely in my opinion. I initially considered 303 see other which would work just as well. After some thought, I'd say 302 Found is more fitting because the requested resource was found, there just is another page to go through before it can be accessed. ...
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Test whether a list contains a specific value in Clojure

...ex 0!). To add to the confusion, in cases where it doesn't make sense to call contains?, it simply return false; this is what happens in (contains? :foo 1) and also (contains? '(100 101 102) 101). Update: In Clojure ≥ 1.5 contains? throws when handed an object of a type that doesn't support the i...
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Get IP address of visitors using Flask for Python

...emote_addr) When proxies, such as nginx, forward addresses, they typically include the original IP somewhere in the request headers. Update See the flask-security implementation. Again, review the documentation about ProxyFix before implementing. Your solution may vary based on your particular...
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Difference between Eclipse Europa, Helios, Galileo

...ects Europa 29 June 2007 3.3 Europa projects Callisto 30 June 2006 3.2 Callisto projects Eclipse 3.1 28 June 2005 3.1 Eclipse 3.0 28 June 2004 3.0 To summarize, Helios, Galileo, Ganymede, etc are just code names for versi...
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Get Enum from Description attribute [duplicate]

... value.ToString() is expensive, do not call it twice (.. if it matters)... – nawfal Jun 11 '13 at 1:26 ...