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- C# The type or namespace name `List could not be found. But Im . . .
public static List<string> items = new List<string>(); public static List<double> itemsprice = new List<double>(); public static List<double> qu = new List<double>(); That is, there is no type List but there is a generic type List<T> More information and examples of instantiating the generic List<T> can be found in the MSDN documentation
- Meaning of list[-1] in Python - Stack Overflow
All your return c most_common()[-1] statement does is call c most_common and return the last value in the resulting list, which would give you the least common item in that list Essentially, this line is equivalent to:
- Whats the difference between [] and {} vs list() and dict()?
I believe that declaring an empty list using list() is more Pythonic (aligns with PEP8 and The Zen philosophy) Facts: 1 there is no direct instruction in PEP 8 on how to do it 2 list() form of declaration is easier to read for people with visual impairments 3
- sql - How do I list all the columns in a table? - Stack Overflow
In a query editor, if you highlight the text of table name (ex dbo MyTable) and hit ALT+F1, you'll get a list of column names, type, length, etc ALT+F1 while you've highlighted dbo MyTable is the equivalent of running EXEC sp_help 'dbo MyTable' according to this site
- Beginner Python: AttributeError: list object has no attribute
AttributeError: 'list' object has no attribute 'cost' this will occur when you try to call cost on a list object Pretty straightforward, but we can figure out what happened by looking at where you call cost-- in this line: profit = bike cost * margin This indicates that at least one bike (that is, a member of bikes values() is a list)
- How to list all installed packages and their versions in Python?
For Windows 10, I think this is what you are looking for a list of available installed Pythons This is different from a list of packages as you can see below Also, on Ubuntu 20 04, I think the command is Python3 -0 list Yes, this works similar to node version manager c:\Users\user\AppData\Local\Programs\Python>py -0 list Python 0 not found!
- What is the difference between List. of and Arrays. asList?
Let summarize the differences between List of and Arrays asList List of can be best used when data set is less and unchanged, while Arrays asList can be used best in case of large and dynamic data set
- python - What does list [x::y] do? - Stack Overflow
If you skip the end index, like in your question, it would take elements from the start index (x), pick every yth element until it reaches the end of the list if y is positive and beginning of the list if y is negative E g l[1::-1] = [2,1] l[1::2] = [2,4,6] The default step size is 1
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