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Swift native base class or NSObject
I tested out some isa swizzling with Swift, and found that it only works when NSObject is a super-class (directly or further up), or by using the '@objc' decoration. Otherwise it will follow a static- and vtable-dispatch style, like C++.
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What's the cleanest way of applying map() to a dictionary in Swift?
I'd like to map a function on all keys in the dictionary. I was hoping something like the following would work, but filter cannot be applied to dictionary directly. What's the cleanest way of achieving this?
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Maximum number of records in a MySQL database table
What is the upper limit of records for MySQL database table. I'm wondering about autoincrement field. What would happen if I add milions of records? How to handle this kind of situations?
Thx!
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What is an example of the Liskov Substitution Principle?
I have heard that the Liskov Substitution Principle (LSP) is a fundamental principle of object oriented design. What is it and what are some examples of its use?
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What's so bad about Template Haskell?
...d by the Haskell community as an unfortunate convenience. It's hard to put into words exactly what I have observed in this regard, but consider these few examples
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Crash logs generated by iPhone Simulator?
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The console will show the NSLog() output from an app running in the simulator. The crash logs are saved to file.
I have found some in my home directory under
~/Library/Logs/DiagnosticReports/
They have a file extension of .crash
Something I haven't yet figured out is how to ge...
Adding a Method to an Existing Object Instance
I've read that it is possible to add a method to an existing object (i.e., not in the class definition) in Python.
16 Answ...
A better similarity ranking algorithm for variable length strings
I'm looking for a string similarity algorithm that yields better results on variable length strings than the ones that are usually suggested (levenshtein distance, soundex, etc).
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Where can I find my .emacs file for Emacs running on Windows?
I tried looking for the .emacs file for my Windows installation for Emacs, but I could not find it. Does it have the same filename under Windows as in Unix?
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Creating an array of objects in Java
I am new to Java and for the time created an array of objects in Java.
8 Answers
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