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How to initialise a string from NSData in Swift
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This is how you should initialize the NSString:
Swift 2.X or older
let datastring = NSString(data: fooData, encoding: NSUTF8StringEncoding)
Swift 3 or newer:
let datastring = NSString(data: fooData, encoding: String.Encoding.utf8.rawValue)
This doc explains the syntax.
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How to train an artificial neural network to play Diablo 2 using visual input?
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I can see that you are worried about how to train the ANN, but this project hides a complexity that you might not be aware of. Object/character recognition on computer games through image processing it's a highly challenging task (not say crazy for ...
.Contains() on a list of custom class objects
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You need to implement IEquatable or override Equals() and GetHashCode()
For example:
public class CartProduct : IEquatable<CartProduct>
{
public Int32 ID;
public String Name;
public Int32 Number;
public Decimal CurrentPrice;
publ...
mysql Foreign key constraint is incorrectly formed error
...l name) when I put a FK on IDFromTable1 to ID in table1 I get the error Foreign key constraint is incorrectly formed error . I would like to delete table 2 record if table1 record gets deleted. Thanks for any help
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$apply vs $digest in directive testing
...nd I want to change that attribute in my test and verify that it responds correctly, which is the best way of doing that change?
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git: 'credential-cache' is not a git command
...followed these instructions to the letter, including the part about password caching. It seems like the instructions are wrong, because every time I git push origin master I get this error:
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What is Python buffer type for?
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An example usage:
>>> s = 'Hello world'
>>> t = buffer(s, 6, 5)
>>> t
<read-only buffer for 0x10064a4b0, size 5, offset 6 at 0x100634ab0>
>>> print t
world
The buffer in this case is a sub-string, starting at position 6 with...
How to tell Jackson to ignore a field during serialization if its value is null?
How can Jackson be configured to ignore a field value during serialization if that field's value is null.
19 Answers
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What is a elegant way in Ruby to tell if a variable is a Hash or an Array?
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You can just do:
@some_var.class == Hash
or also something like:
@some_var.is_a?(Hash)
It's worth noting that the "is_a?" method is true if the class is anywhere in the objects ancestry tree. for instance:
@some_var.is_a?(Object) # => true
the above is tru...
Suppress Scientific Notation in Numpy When Creating Array From Nested List
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I guess what you need is np.set_printoptions(suppress=True), for details see here:
http://pythonquirks.blogspot.fr/2009/10/controlling-printing-in-numpy.html
For SciPy.org numpy documentation, which includes all function parameters (suppress isn't detailed in the above link), see here:...