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How do I create an abstract base class in JavaScript?
...l value instead of an object so as to continue application execution, it really depends on your implementation. This, in my opinion, is the correct way to implement abstract JS "classes".
– dudewad
Jan 18 '16 at 21:36
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Overriding superclass property with different type in Swift
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Swift does not allow you to change the class type of any variables or properties. Instead you can create an extra variable in the subclass that handles the new class type:
class Chassis {}
class RacingChassis : Chassis {}
class Car {
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Troubleshooting “Illegal mix of collations” error in mysql
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This is generally caused by comparing two strings of incompatible collation or by attempting to select data of different collation into a combined column.
The clause COLLATE allows you to specify the collation used in the query.
For exa...
How to drop unique in MySQL?
...swered Oct 14 '09 at 8:12
Wael DalloulWael Dalloul
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Find out how much memory is being used by an object in Python [duplicate]
...and internal structures related to object types and garbage collection. Finally, some python objects have non-obvious behaviors. For instance, lists reserve space for more objects than they have, most of the time; dicts are even more complicated since they can operate in different ways (they have a ...
Convert XML to JSON (and back) using Javascript
...cts) and vice versa javascript conversion functions. The library is very small and doesn't require any other additional libraries.
API functions
new X2JS() - to create your instance to access all library functionality. Also you could specify optional configuration options here
X2JS.xml2json - Conve...
No generic implementation of OrderedDictionary?
...s methods for sorting the way that List<T> does since this is essentially a hybrid IList and IDictionary. I've included my implementation here for posterity.
Here's the interface. Notice that it includes System.Collections.Specialized.IOrderedDictionary, which is the non-generic version of t...
Override Python's 'in' operator?
...am creating my own class in Python, what function should I define so as to allow the use of the 'in' operator, e.g.
3 Answe...
Splitting templated C++ classes into .hpp/.cpp files--is it possible?
...the implementation of a template class in a separate cpp file and compile. All the ways to do so, if anyone claims, are workarounds to mimic the usage of separate cpp file but practically if you intend to write a template class library and distribute it with header and lib files to hide the implemen...
Extracting text OpenCV
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For some cards the bounding box does not enclose all of the text, such as half a letter getting cut off. Such as this card: i.imgur.com/tX3XrwH.jpg How can I extend every bounding bounding boxes height and width by n? Thanks for the solution it works great!
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