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how to check if a file is a directory or regular file in python? [duplicate]
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os.path.isfile("bob.txt") # Does bob.txt exist? Is it a file, or a directory?
os.path.isdir("bob")
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Altering a column to be nullable
I want to alter a table column to be nullable. I have used:
10 Answers
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HttpServletRequest get JSON POST data [duplicate]
...POST parameters in a servlet the same way:
request.getParameter("cmd");
But only if the POST data is encoded as key-value pairs of content type: "application/x-www-form-urlencoded" like when you use a standard HTML form.
If you use a different encoding schema for your post data, as in your case ...
Java : Comparable vs Comparator [duplicate]
What are the keys differences between Comparable and Comparator.
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Razor If/Else conditional operator syntax [duplicate]
...y expression in parenthesis. Unfortunately that means you can't use "@:", but you could do something like this:
@(deletedView ? "Deleted" : "Created by")
Razor currently supports a subset of C# expressions without using @() and unfortunately, ternary operators are not part of that set.
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What does preceding a string literal with “r” mean? [duplicate]
I first saw it used in building regular expressions across multiple lines as a method argument to re.compile() , so I assumed that r stands for RegEx.
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Very Long If Statement in Python [duplicate]
I have a very long if statement in Python. What is the best way to break it up into several lines? By best I mean most readable/common.
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CSS selector based on element text? [duplicate]
Is there a way to select an element in css based on element text?
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How to hide a button programmatically?
I have a RelativeLayout which contains two buttons. Which are overlapped on each other.
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How can I extract all values from a dictionary in Python?
...y values -0.3246, -0.9185, and -3985 use: your_dict.values().
If you want both keys and values use: your_dict.items() which returns a list of tuples [(key1, value1), (key2, value2), ...].
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