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Why doesn't Objective-C support private methods?

... The answer is... well... simple. Simplicity and consistency, in fact. Objective-C is purely dynamic at the moment of method dispatch. In particular, every method dispatch goes through the exact same dynamic method resolution point as every other method dispatch. At...
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What is the most efficient way to store a list in the Django models?

...ed as a one-to-many foreign key relationship to a Friends table? I understand that myFriends are just strings but I would think that a better design would be to create a Friend model and have MyClass contain a foreign key realtionship to the resulting table. ...
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Is a Python dictionary an example of a hash table?

...read more about hash tables or check how it has been implemented in python and why it is implemented that way. share | improve this answer | follow | ...
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UICollectionView Set number of columns

...he default is set to 3 (iPhone/portrait). I've looked at the documentation and can't seem to find a concise answer. 17 Answ...
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What is the difference between Java RMI and RPC?

What is the actual difference between Java RMI and RPC? 8 Answers 8 ...
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AngularJS : How to watch service variables?

... always use the good old observer pattern if you want to avoid the tyranny and overhead of $watch. In the service: factory('aService', function() { var observerCallbacks = []; //register an observer this.registerObserverCallback = function(callback){ observerCallbacks.push(callback); ...
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Why CancellationToken is separate from CancellationTokenSource?

...ct was introduced in addition to CancellationTokenSource class. I understand how the API is to be used, but want to also understand why it is designed that way. ...
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PHP json_encode encoding numbers as strings

...o $json; This seems to be like what you describe, if I'm not mistaken ? And I'm getting as output : {"id":152,"another":"test","ananother":456} So, in this case, the integers have not been converted to string. Still, this might be dependant of the version of PHP we are using : there have bee...
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Linq: What is the difference between Select and Where

The Select and Where methods are available in Linq. What should every developer know about these two methods? For example: when to use one over the other, any advantages of using one over the other, etc. ...
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Can I control the location of .NET user settings to avoid losing settings on application upgrade?

... the location of the user.config file. Currently it's stored with a hash and version number 4 Answers ...