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Overriding superclass property with different type in Swift

...properties. Instead you can create an extra variable in the subclass that handles the new class type: class Chassis {} class RacingChassis : Chassis {} class Car { var chassis = Chassis() } class RaceCar: Car { var racingChassis = RacingChassis() override var chassis: Chassis { ...
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What are the correct link options to use std::thread in GCC under linux?

... I am trying to compile a very simple program using gcc 4.7.1 and I am having the very same "operation not permitted" error. The problem is that I'm already using -pthread flag. Is there any other flag you know about? – Filipe Dec 13 '12 at 11:34 ...
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Can I create a named default constraint in an add column statement in SQL Server?

...thDoctor That makes no sense. The NOT NULL is not part of the constraint and the drop statement just references the constraint name – Roger Willcocks Mar 29 '16 at 0:07 11 ...
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Place a button right aligned

...from the normal document flow so they can overflow their parent's boundary and mess up the parent's height, the clear:both CSS takes care of that (as does overflow:hidden). Play around with the JSFiddle example I added to see how floating and clearing behave (you'll want to drop the overflow:hidden ...
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How to sort an array of hashes in ruby

...hod to modify in place: array_of_hashes.sort_by!{} – Andrew Jul 25 '13 at 17:50 12 ...
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How can I set Image source with base64

...8GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==' ); Real answer: (And make sure you remove the line-breaks in the base64.) share | improve this answer | follow ...
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Re-ordering columns in pandas dataframe based on column name [duplicate]

...r Q9.1), you'll need to sort differently, but that has nothing to do with pandas. share | improve this answer | follow | ...
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Python Threading String Arguments

I have a problem with Python threading and sending a string in the arguments. 2 Answers ...
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Have a variable in images path in Sass?

... if you are using it at an @import you need to add 'url(' and ')' to make the interpolation to work. More info at sass-lang.com/documentation/at-rules/import#plain-css-imports – Carlos Saltos Sep 21 at 8:00 ...
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What is mattr_accessor in a Rails module?

... Rails extends Ruby with both mattr_accessor (Module accessor) and cattr_accessor (as well as _reader/_writer versions). As Ruby's attr_accessor generates getter/setter methods for instances, cattr/mattr_accessor provide getter/setter methods at the class or module level. Thus: module...