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When to use symbols instead of strings in Ruby?
If there are at least two instances of the same string in my script, should I instead use a symbol?
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Foreign Key naming scheme
I'm just getting started working with foreign keys for the first time and I'm wondering if there's a standard naming scheme to use for them?
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Create a dictionary on a list with grouping
I have the following object in a list:
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Why does Python print unicode characters when the default encoding is ASCII?
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Possible Loss of Fraction
Forgive me if this is a naïve question, however I am at a loss today.
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How to insert text into the textarea at the current cursor position?
I would like to create a simple function that adds text into a text area at the user's cursor position. It needs to be a clean function. Just the basics. I can figure out the rest.
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initializing a Guava ImmutableMap
Guava offers a nice shortcut for initializing a map. However I get the following compiler error (Eclipse Indigo) when my map initializes to nine entries.
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Does the join order matter in SQL?
Disregarding performance, will I get the same result from query A and B below? How about C and D?
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Command to change the default home directory of a user
I would like to know whether there is any simple shell command to change the user home directory in Linux/Unix (one similar to chsh which changes the default login shell of an existing valid user) without touching the /etc/passwd file. Thanks
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How does the following LINQ statement work?
How does the following LINQ statement work?
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