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“unrecognized selector sent to instance” error in Objective-C
I created a button and added an action for it, but as soon as it invoked, I got this error:
38 Answers
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Including one C source file in another?
Is it OK (or even recommended/good practice) to #include a .c file in another .c file?
11 Answers
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Convert objective-c typedef to its string equivalent
Assuming that I have a typedef declared in my .h file as such:
21 Answers
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How do I add multiple arguments to my custom template filter in a django template?
I looked into django's docs and book but only found example using a single argument... is it even possible?
9 Answers
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How do you get a directory listing sorted by creation date in python?
What is the best way to get a list of all files in a directory, sorted by date [created | modified], using python, on a windows machine?
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Textarea that can do syntax highlighting on the fly?
I am storing a number of HTML blocks inside a CMS for reasons of easier maintenance. They are represented by <textarea> s.
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Length of generator output [duplicate]
Python provides a nice method for getting length of an eager iterable, len(x) that is. But I couldn't find anything similar for lazy iterables represented by generator comprehensions and functions. Of course, it is not hard to write something like:
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Compare two data.frames to find the rows in data.frame 1 that are not present in data.frame 2
I have the following 2 data.frames:
13 Answers
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In Python, how do I convert all of the items in a list to floats?
I have a script which reads a text file, pulls decimal numbers out of it as strings and places them into a list.
12 Answers...