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Tuples( or arrays ) as Dictionary keys in C#

I am trying to make a Dictionary lookup table in C#. I need to resolve a 3-tuple of values to one string. I tried using arrays as keys, but that did not work, and I don't know what else to do. At this point I am considering making a Dictionary of Dictionaries of Dictionaries, but that would proba...
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Is there shorthand for returning a default value if None in Python? [duplicate]

In C#, I can say x ?? "" , which will give me x if x is not null, and the empty string if x is null. I've found it useful for working with databases. ...
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How does one generate a random number in Apple's Swift language?

...ber generator. Is the best practice to copy and paste this implementation in one's own program? Or is there a library that does this that we can use now? ...
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Laravel: Get base url

Simple question, but the answer seems quite hard to come by. In Codeigniter, I could load the url helper and then simply do ...
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Redis: Show database size/size for keys

My redis instance seems to being growing very large and I'd like to find out which of the multiple databases I have in there consumes how much memory. Redis' INFO command just shows me the total size and the number of keys per database which doesn't give me much insight... So any tools/ideas that ...
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Python Linked List

What's the easiest way to use a linked list in python? In scheme, a linked list is defined simply by '(1 2 3 4 5) . Python's lists, [1, 2, 3, 4, 5] , and tuples, (1, 2, 3, 4, 5) , are not, in fact, linked lists, and linked lists have some nice properties such as constant-time concatenation, and b...
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Does Python's time.time() return the local or UTC timestamp?

Does time.time() in the Python time module return the system's time or the time in UTC? 8 Answers ...
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How to assert output with nosetest/unittest in python?

I'm writing tests for a function like next one: 11 Answers 11 ...
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Chrome's remote debugging (USB debugging) not working for Samsung Galaxy S3 running android 4.3

Ever since I upgraded my Samsung Galaxy S3 to android 4.3 (from 4.1.2) I am unable to use Chrome's remote debugging for android (more details here ). ...
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How to debug a referenced dll (having pdb)

I have two solutions in my workspace, say A and B. 10 Answers 10 ...