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How to get rid of punctuation using NLTK tokenizer?
I'm just starting to use NLTK and I don't quite understand how to get a list of words from text. If I use nltk.word_tokenize() , I get a list of words and punctuation. I need only the words instead. How can I get rid of punctuation? Also word_tokenize doesn't work with multiple sentences: dots ar...
How to find Unused Amazon EC2 Security groups
...o determine orphan security groups so I can clean up and get rid of them. Does anyone know of a way to discover unused security groups.
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Why do we copy then move?
...uestions, one thing you seem to be getting wrong: taking by value in C++11 does not always mean copying. If an rvalue is passed, that will be moved (provided a viable move constructor exists) rather than being copied. And std::string does have a move constructor.
Unlike in C++03, in C++11 it is oft...
How do I invoke a Java method when given the method name as a string?
...etException e) { ... }
Again, leave out the arguments in .invoke, if you don't have any. But yeah. Read about Java Reflection
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Why does Haskell's “do nothing” function, id, consume tons of memory?
...ular, the type is very large when written out in full, but there's a tremendous amount of duplication—could sharing be used to compress such things? Is there an efficient way to process them?
– dfeuer
May 19 '14 at 21:15
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How do I replace the *first instance* of a string in .NET?
...ngth);
}
Example:
string str = "The brown brown fox jumps over the lazy dog";
str = ReplaceFirst(str, "brown", "quick");
EDIT: As @itsmatt mentioned, there's also Regex.Replace(String, String, Int32), which can do the same, but is probably more expensive at runtime, since it's utilizing a full...
How to uninstall Python 2.7 on a Mac OS X 10.6.4?
...http://www.python.org/ . What directories/files/configuration file entries do I need to remove? Is there a list somewhere?
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How do I write good/correct package __init__.py files
...lps guide import statements without automatically importing modules
http://docs.python.org/tutorial/modules.html#importing-from-a-package
using __all__ and import * is redundant, only __all__ is needed
I think one of the most powerful reasons to use import * in an __init__.py to import packages is...
How do I interpolate strings?
I want to do the following in C# (coming from a Python background):
15 Answers
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Why do I get a warning every time I use malloc?
...his file includes the declaration for the built-in function malloc. If you don't do that, the compiler thinks you want to define your own function named malloc and it warns you because:
You don't explicitly declare it and
There already is a built-in function by that name which has a different sign...