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Does R have an assert statement as in python?
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How to launch Safari and open URL from iOS app
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387
Here's what I did:
I created an IBAction in the header .h files as follows:
- (IBAction)ope...
Setting Authorization Header of HttpClient
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edited Dec 10 '18 at 13:51
Ryan Lundy
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How to create arguments for a Dapper query dynamically
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Difference between Select and ConvertAll in C#
...e ConvertAll method exists since .NET 2.0 whereas LINQ was introduced with 3.5.
You should favor Select over ConvertAll as it works for any kind of list, but they do the same basically.
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How to update SQLAlchemy row entry?
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user.no_of_logins += 1
session.commit()
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How can I use map and receive an index as well in Scala?
...ipWithIndex.foreach{ case (e, i) => println(i+" "+e) }
0 Mary
1 had
2 a
3 little
4 lamb
From: http://www.artima.com/forums/flat.jsp?forum=283&thread=243570
You also have variations like:
for((e,i) <- List("Mary", "had", "a", "little", "lamb").zipWithIndex) println(i+" "+e)
or:
List...
How to print Unicode character in Python?
...Python source code, you can use Unicode escape characters in the form \u0123 in your string, and prefix the string literal with 'u'.
Here's an example running in the Python interactive console:
>>> print u'\u0420\u043e\u0441\u0441\u0438\u044f'
Россия
Strings declared like this are...
What is the zero for string?
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edited May 6 '13 at 11:41
answered Oct 3 '12 at 6:51
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What does the “@” symbol mean in reference to lists in Haskell?
...list's tail: pt
Without the @, you'd have to choose between (1) or (2):(3).
This syntax actually works for any constructor; if you have data Tree a = Tree a [Tree a], then t@(Tree _ kids) gives you access to both the tree and its children.
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