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Blocks on Swift (animateWithDuration:animations:completion:)
I'm having trouble making the blocks work on Swift. Here's an example that worked (without completion block):
7 Answers
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Better way to shuffle two numpy arrays in unison
...create two views into this single array simulating the two arrays you have now. You can use the single array for shuffling and the views for all other purposes.
Example: Let's assume the arrays a and b look like this:
a = numpy.array([[[ 0., 1., 2.],
[ 3., 4., 5.]],
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Python extract pattern matches
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You need to capture from regex. search for the pattern, if found, retrieve the string using group(index). Assuming valid checks are performed:
>>> p = re.compile("name (.*) is valid")
>>> result = p.search(s)
>>> result
<_sre.SRE_Match object at 0x105...
Dealing with float precision in Javascript [duplicate]
...r decimals, like decimal.js
Format your result to some fixed number of significant digits, like this:
(Math.floor(y/x) * x).toFixed(2)
Convert all your numbers to integers
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How to efficiently count the number of keys/properties of an object in JavaScript?
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-1 (-200 if I could) This not only iterates through the object but also creates a whole new array with all its keys, so it completely fails at answering the question.
– GetFree
Jun 22 '12 at 14:2...
Python: Get relative path from comparing two absolute paths
Say, I have two absolute paths. I need to check if the location referring to by one of the paths is a descendant of the other. If true, I need to find out the relative path of the descendant from the ancestor. What's a good way to implement this in Python? Any library that I can benefit from?
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What is the difference between “px”, “dip”, “dp” and “sp”?
What is the difference between Android units of measure?
33 Answers
33
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How to convert JSON to XML or XML to JSON?
... do the conversion and was considering skipping the c# middle objects, but now not so sure. I would need to generate c# objects based on the XSD otherwise and since it would be purely only for conversion purposes it seemed like a wasted layer (and effort). If you have examples or more detail of ho...
Is the C# static constructor thread safe?
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Note that if your singleton object is immutable, using a mutex or any synchronization mechanism is an overkill and should not be used. Also, I find the above sample implementation extremely brittle :-). All code using Singleton.Acquir...
Ruby: How to turn a hash into HTTP parameters?
...re, considering all the major Ruby web frameworks are built on top of Rack now.
– iain
May 16 '13 at 13:10
@EdRuder Ac...