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In MySQL, can I copy one row to insert into the same table?
I just want to copy one row to insert into the same table (i.e., I want to duplicate an existing row in the table) but I want to do this without having to list all the columns after the "select", because this table has too many columns.
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Why use a prime number in hashCode?
I was just wondering why is that primes are used in a class's hashCode() method? For example, when using Eclipse to generate my hashCode() method there is always the prime number 31 used:
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Force add despite the .gitignore file
Is there a way to force git to add a file despite the .gitignore file?
3 Answers
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Excluding directories in os.walk
I'm writing a script that descends into a directory tree (using os.walk()) and then visits each file matching a certain file extension. However, since some of the directory trees that my tool will be used on also contain sub directories that in turn contain a LOT of useless (for the purpose of thi...
JavaScript private methods
To make a JavaScript class with a public method I'd do something like:
30 Answers
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Can I export a variable to the environment from a bash script without sourcing it?
Suppose that I have this script
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Why can I type alias functions and use them without casting?
In Go, if you define a new type e.g.:
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How to deal with page breaks when printing a large HTML table
I have a project which requires printing an HTML table with many rows.
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Android EditText delete(backspace) key event
How can I detect delete (backspace) key event for a editText? I've tried using TextWatcher, but when the editText is empty, when I press delete key, nothing happens. I want to detect delete key press foe an editText even if it has no text.
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Do you debug C++ code in Vim? How? [closed]
The question is to all you people, who use Vim to develop C++ applications.
9 Answers
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