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How do I get the directory from a file's full path?

What is the simplest way to get the directory that a file is in? I'm using this to set a working directory. 12 Answers ...
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How to check type of files without extensions in python?

I have a folder full of files and they don't have an extension. How can I check file types? I want to check the file type and change the filename accordingly. Let's assume a function filetype(x) returns a file type like png . I want to do this: ...
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HTML code for an apostrophe

Seemingly simple, but I cannot find anything relevant on the web. 17 Answers 17 ...
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Best way to encode text data for XML in Java?

Very similar to this question , except for Java. 21 Answers 21 ...
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Get the last item in an array

Here is my JavaScript code so far: 51 Answers 51 ...
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What is the purpose and use of **kwargs?

What are the uses for **kwargs in Python? 13 Answers 13 ...
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How to navigate a few folders up?

One option would be to do System.IO.Directory.GetParent() a few times. Is there a more graceful way of travelling a few folders up from where the executing assembly resides? ...
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Batch Renaming of Files in a Directory

Is there an easy way to rename a group of files already contained in a directory, using Python? 13 Answers ...
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How to randomize (or permute) a dataframe rowwise and columnwise?

I have a dataframe (df1) like this. 8 Answers 8 ...
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What is the $? (dollar question mark) variable in shell scripting? [duplicate]

I'm trying to learn shell scripting, and I need to understand someone else's code. What is the $? variable hold? I can't Google search the answer because they block punctuation characters. ...