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What Makes a Good Unit Test? [closed]
...ree on the use of Mocks, but this was a very nice writeup of unit testing best practices.
– Justin Standard
Sep 15 '08 at 4:54
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ASP.NET MVC ambiguous action methods
...o be able to get to the same view using two different routes, either by an item's ID or by the item's name and its parent's (items can have the same name across different parents). A search term can be used to filter the list.
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Getting indices of True values in a boolean list
...= t*1000
>>> %timeit [i for i, x in enumerate(t) if x]
100 loops, best of 3: 2.55 ms per loop
>>> %timeit list(compress(xrange(len(t)), t))
1000 loops, best of 3: 696 µs per loop
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Convert Python dict into a dataframe
... using all scalar values, you must must pass an index
You could take the items from the dictionary (i.e. the key-value pairs):
In [11]: pd.DataFrame(d.items()) # or list(d.items()) in python 3
Out[11]:
0 1
0 2012-07-02 392
1 2012-07-06 392
2 2012-06-29 391
3 2012-06-28...
how to use sed, awk, or gawk to print only what is matched?
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This is by far the best, and most well-explained answer so far!
– Nik Reiman
Aug 18 '16 at 9:02
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Algorithm to find top 10 search terms
...t of storage. One is Frequent, by Misra and Gries (1982). From a list of n items, it find all items that occur more than n / k times, using k - 1 counters. This is a generalization of Boyer and Moore's Majority algorithm (Fischer-Salzberg, 1982), where k is 2. Manku and Motwani's LossyCounting (2002...
What does “O(1) access time” mean?
...e to look up a value in your collection whether you have a small number of items in your collection or very very many (within the constraints of your hardware)
O(n) would mean that the time it takes to look up an item is proportional to the number of items in the collection.
Typical examples of ...
Why do you have to call .items() when iterating over a dictionary in Python?
Why do you have to call items() to iterate over key, value pairs in a dictionary? ie.
2 Answers
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What's the best UML diagramming tool? [closed]
...e things better than others. Note: The listed answers are my view as the best even if other products support a given feature or need.
Are you modeling or drawing? (Drawing - ArgoUML, free implementations, and Visio)
Will you be modeling in the future? (For basic modeling - Community editions of ...
UICollectionView current visible cell index
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It will probably be best to use UICollectionViewDelegate methods: (Swift 3)
// Called before the cell is displayed
func collectionView(_ collectionView: UICollectionView, willDisplay cell: UICollectionViewCell, forItemAt indexPath: IndexPat...