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Nested defaultdict of defaultdict
Is there a way to make a defaultdict also be the default for the defaultdict? (i.e. infinite-level recursive defaultdict?)
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Is it possible to pass a flag to Gulp to have it run tasks in different ways?
Normally in Gulp tasks look like this:
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Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?
I am making some matrix multiplication benchmarking, as previously mentioned in
Why is MATLAB so fast in matrix multiplication?
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Why do we use arrays instead of other data structures?
As I was programming, I haven't seen an instance where an array is better for storing information than another form thereof. I had indeed figured the added "features" in programming languages had improved upon this and by that replaced them. I see now that they aren't replaced but rather given new ...
Can't connect to localhost on SQL Server Express 2012 / 2016
I just downloaded the latest version of SQL Express 2012 but I cannot connect to localhost. I tried localhost\SQLExpress and Windows authentication but it gives me an error message saying cannot connect. Am I missing something here? I've used SQL Server 2008 before and I've never had issues connecti...
Android Json and null values
How can I detect when a json value is null?
for example: [{"username":null},{"username":"null"}]
6 Answers
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UIRefreshControl on UICollectionView only works if the collection fills the height of the container
I'm trying to add a UIRefreshControl to a UICollectionView , but the problem is that the refresh control does not appear unless the collection view fills up the height of its parent container. In other words, unless the collection view is long enough to require scrolling, it cannot be pulled down...
Open a link in browser with java button? [duplicate]
How can I open a link in default browser with a button click, along the lines of
7 Answers
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resize ipython notebook output window
By default the ipython notebook ouput is limited to a small sub window at the bottom. This makes us force to use separate scroll bar that comes with the output window, when the output is big.
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How many spaces will Java String.trim() remove?
In Java, I have a String like this:
17 Answers
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