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COUNT DISTINCT with CONDITIONS
I want to count the number of distinct items in a column subject to a certain condition, for example if the table is like this:
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Error in strings.xml file in Android
I have declared a long string in string.xml of an application.
9 Answers
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How to sort a file, based on its numerical values for a field?
Example file.txt :
8 Answers
8
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What is the easiest/best/most correct way to iterate through the characters of a string in Java?
StringTokenizer ? Convert the String to a char[] and iterate over that? Something else?
15 Answers
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Convert a matrix to a 1 dimensional array
I have a matrix (32X48).
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How to escape apostrophe (') in MySql?
The MySQL documentation says that it should be \' . However, both scite and mysql shows that '' works. I saw that and it works. What should I do?
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Expanding tuples into arguments
Is there a way to expand a Python tuple into a function - as actual parameters?
4 Answers
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INSERT INTO…SELECT for all MySQL columns
I'm trying to move old data from:
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Android, How can I Convert String to Date?
I store current time in database each time application starts by user.
6 Answers
6
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What is the difference between trie and radix trie data structures?
Are the trie and radix trie data structures the same thing?
3 Answers
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