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Iterate a list as pair (current, next) in Python
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Here's a relevant example from the itertools module docs:
import itertools
def pairwise(iterable):
"s -> (s0,s1), (s1,s2), (s2, s3), ..."
a, b = itertools.tee(iterable)
next(b, None)
return zip(a, b)
For Python 2, you need itertools.izip instead of zip:
import ...
Why am I getting this error: No mapping specified for the following EntitySet/AssociationSet - Entit
I'm using Entity Framework 4 with the Model First approach.
15 Answers
15
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Is there a tool to convert JavaScript files to TypeScript [closed]
Now TypeScript came out, it is an exciting news for me, but how can I convert all the existing JavaScript files to TypeScript.
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How do you iterate through every file/directory recursively in standard C++?
How do you iterate through every file/directory recursively in standard C++?
16 Answers
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How to join int[] to a character separated string in .NET?
...able argument.
I'm going to disappoint you :) String.Join requires array for a single reason - performance. Join method needs to know the size of the data to effectively preallocate necessary amount of memory.
Here is a part of internal implementation of String.Join method:
// length computed fro...
How to convert an Stream into a byte[] in C#? [duplicate]
Is there a simple way or method to convert an Stream into a byte[] in C#?
12 Answers
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Changing Font Size For UITableView Section Headers
Can someone please instruct me on the easiest way to change the font size for the text in a UITableView section header?
11 ...
How to encode a URL in Swift [duplicate]
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Swift 4.2
var urlString = originalString.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed)
Swift 3.0
var address = "American Tourister, Abids Road, Bogulkunta, Hyderabad, Andhra Pradesh, India"
let escapedAddress = address.addingPercen...
Separating class code into a header and cpp file
...n and declarations code of a simple class into a new header and cpp file. For example, how would I separate the code for the following class?
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How do you test that a Python function throws an exception?
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Use TestCase.assertRaises (or TestCase.failUnlessRaises) from the unittest module, for example:
import mymod
class MyTestCase(unittest.TestCase):
def test1(self):
self.assertRaises(SomeCoolException, mymod.myfunc)
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