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How to get the nth element of a python list or a default if not available
I'm looking for an equivalent in python of dictionary.get(key, default) for lists. Is there any one liner idiom to get the nth element of a list or a default value if not available?
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Is there a performance difference between a for loop and a for-each loop?
What, if any, is the performance difference between the following two loops?
16 Answers
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C# binary literals
Is there a way to write binary literals in C#, like prefixing hexadecimal with 0x? 0b doesn't work.
12 Answers
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How to redirect and append both stdout and stderr to a file with Bash?
To redirect stdout to a truncated file in Bash, I know to use:
7 Answers
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Is there a simple way to delete a list element by value?
I want to remove a value from a list if it exists in the list (which it may not).
21 Answers
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The provider is not compatible with the version of Oracle client
I'm trying to use the Oracle ODP.NET 11g (11.1.0.6.20) Instant Client on my ASP.net project as a Data Provider but when I run the aspx page I get a " The provider is not compatible with the version of Oracle client " error message. Any help would be appreciated.
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How can I get the concatenation of two lists in Python without modifying either one? [duplicate]
In Python, the only way I can find to concatenate two lists is list.extend , which modifies the first list. Is there any concatenation function that returns its result without modifying its arguments?
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Differences in boolean operators: & vs && and | vs ||
... rules for && and || but what are & and | ? Please explain these to me with an example.
11 Answers
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Add Variables to Tuple
I am learning Python and creating a database connection.
While trying to add to the DB, I am thinking of creating tuples out of information and then add them to the DB.
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How best to determine if an argument is not sent to the JavaScript function
I have now seen 2 methods for determining if an argument has been passed to a JavaScript function. I'm wondering if one method is better than the other or if one is just bad to use?
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