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Is there any way to enforce typing on NSArray, NSMutableArray, etc.?
...g (so the compiler could let you know if you try to add an object it knows is a different class through that method), but there's no real way to enforce that an array only contains objects of a given class.
In general, there doesn't seem to be a need for such a constraint in Objective-C. I don't t...
Why is it string.join(list) instead of list.join(string)?
This has always confused me. It seems like this would be nicer:
10 Answers
10
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What's “wrong” with C++ wchar_t and wstrings? What are some alternatives to wide characters?
...he use of wstrings and wchar_t , and their use in the windows api. What is exactly "wrong" with wchar_t and wstring , and if I want to support internationalization, what are some alternatives to wide characters?
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Multiline Comment Workarounds?
I (sort of) already know the answer to this question. But I figured it is one that gets asked so frequently on the R Users list, that there should be one solid good answer. To the best of my knowledge there is no multiline comment functionality in R. So, does anyone have any good workarounds?
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Get model's fields in Django
Given a Django model, I'm trying to list all of its fields. I've seen some examples of doing this using the _meta model attribute, but doesn't the underscore in front of meta indicate that the _meta attribute is a private attribute and shouldn't be accessed directly? ... Because, for example, the ...
Reference requirements.txt for the install_requires kwarg in setuptools setup.py file
I have a requirements.txt file that I'm using with Travis-CI. It seems silly to duplicate the requirements in both requirements.txt and setup.py , so I was hoping to pass a file handle to the install_requires kwarg in setuptools.setup .
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How do I get the parent directory in Python?
... = Path("/here/your/path/file.txt")
print(path.parent)
Old answer
Try this:
import os.path
print os.path.abspath(os.path.join(yourpath, os.pardir))
where yourpath is the path you want the parent for.
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Why do people put code like “throw 1; ” and “for(;;);” in front of json responses? [du
Google returns json like this:
4 Answers
4
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How do I use Assert.Throws to assert the type of the exception?
...<Exception>(() => user.MakeUserActive());
Assert.That(ex.Message, Is.EqualTo("Actual exception message"));
So if no exception is thrown, or an exception of the wrong type is thrown, the first Assert.Throws assertion will fail. However if an exception of the correct type is thrown then you...
Best way to specify whitespace in a String.Split operation
....Split()
or:
string[] ssize = myStr.Split(new char[0]);
then white-space is assumed to be the splitting character. From the string.Split(char[]) method's documentation page.
If the separator parameter is null or contains no characters, white-space characters are assumed to be the delimiters. Whit...