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Use of “global” keyword in Python
...e documentation is that Python has a separate namespace for functions, and if I want to use a global variable in that function, I need to use global .
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How to get rid of the 'undeclared selector' warning
.... For example, there's a category method that should set an error property if the NSObject instance it's called on supports it. This is the code, and the code works as intended:
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Generic TryParse
I am trying to create a generic extension that uses 'TryParse' to check if a string is a given type:
23 Answers
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Is there a builtin confirmation dialog in Windows Forms?
...to create a simple confirm dialog saying "Please check the information and if you're sure it's correct, click OK."
3 Answer...
Convert Rows to columns using 'Pivot' in SQL Server
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If you are using SQL Server 2005+, then you can use the PIVOT function to transform the data from rows into columns.
It sounds like you will need to use dynamic sql if the weeks are unknown but it is easier to see the correc...
Can Eclipse refresh resources automatically?
...th out-of-sync resources (files that have been edited outside of the IDE) differently from other IDEs that I've used, where only resources with editors open are considered out-of-sync. In Eclipse, any resource can go out of sync.
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Making an array of integers in iOS
If you want to make an array of integers, can you use NSInteger? Do you have to use NSNumber? If so, then why?
7 Answers
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What is the syntax to insert one list into another list in python?
...e's the insert method which acts similarly to append but allows you to specify the insertion point:
>>> list_one.insert(2, list_two)
>>> list_one
[1, 2, [4, 5, 6], 3, 4, 5, 6]
To extend a list at a specific insertion point you can use list slicing (thanks, @florisla):
>>&...
Is there a numpy builtin to reject outliers from a list
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That method works good enough if m is sufficiently large (e.g. m=6), but for small values of m this suffers from the mean the variance not being robust estimators.
– Benjamin Bannier
May 15 '13 at 9:53
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remove None value from a list without removing the 0 value
...t;>> L = [0, 23, 234, 89, None, 0, 35, 9]
>>> [x for x in L if x is not None]
[0, 23, 234, 89, 0, 35, 9]
Just for fun, here's how you can adapt filter to do this without using a lambda, (I wouldn't recommend this code - it's just for scientific purposes)
>>> from operator ...