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Test if a variable is a list or tuple
In python, what's the best way to test if a variable contains a list or a tuple? (ie. a collection)
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How do I tell if a regular file does not exist in Bash?
I've used the following script to see if a file exists:
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Should all Python classes extend object?
I have found that both of the following work:
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Can grep show only words that match search pattern?
Is there a way to make grep output "words" from files that match the search expression?
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How to instantiate a File object in JavaScript?
...e's a File object in JavaScript. I want to instantiate one for testing purposes.
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What's the best way to develop a sideswipe menu like the one in Facebook's new iOS app?
It appears that side-swipe menus are becoming a more common interface element as more information gets crammed into each iPhone app. Facebook has included it in their latest version and the new Gmail app appears to include it as well . I was wondering if anybody had thoughts on the most efficient...
How to print without newline or space?
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In Python 3, you can use the sep= and end= parameters of the print function:
To not add a newline to the end of the string:
print('.', end='')
To not add a space between all the function arguments you want to print:
print('a', 'b', 'c'...
java.net.ConnectException: Connection refused
... implement a TCP connection, everything works fine from the server's side but when I run the client program (from client computer) I get the following error:
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How to check if a column exists in a SQL Server table?
I need to add a specific column if it does not exist. I have something like the following, but it always returns false:
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What is the alternative for ~ (user's home directory) on Windows command prompt?
I'm trying to use the command prompt to move some files,
I am used to the linux terminal where I use ~ to specify the my home directory
I've looked everywhere but I couldn't seem to find it for windows command prompt ( Documents and Settings\[user] )
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