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Group by month and year in MySQL
...aryDateTime) DESC
Should use DESC for both YEAR and Month to get correct order.
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how does Array.prototype.slice.call() work?
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since object keys has no order, this specific demonstration might fail in other browsers. not all vendors sort their objects' keys by order of creation.
– vsync
Feb 21 '14 at 10:08
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How do I get a distinct, ordered list of names from a DataTable using LINQ?
... with a Name column. I want to generate a collection of the unique names ordered alphabetically. The following query ignores the order by clause.
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Are braces necessary in one-line statements in JavaScript?
...e follows in all C syntax style languages with bracing. C, C++, Java, even PHP all support one line statement without braces. You have to realize that you are only saving two characters and with some people's bracing styles you aren't even saving a line. I prefer a full brace style (like follows) so...
Why should hash functions use a prime number modulus?
...string hashCode is eerily similar to this - it does the characters reverse order, with k=31. So you get striking relationships modulo 31 between strings that end the same way, and striking relationships modulo 2^32 between strings that are the same except near the end. This doesn't seriously mess up...
How can I reverse the order of lines in a file?
I'd like to reverse the order of lines in a text file (or stdin), preserving the contents of each line.
25 Answers
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SecurityError: Blocked a frame with origin from accessing a cross-origin frame
...e/other.html -> Success
http://www.example.com/dir/inner/another.php -> Success
http://www.example.com:80 -> Success (default port for HTTP)
http://www.example.com:2251 -> Failure: different port
http://data.example.com/dir/other.html -...
What's onCreate(Bundle savedInstanceState)
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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RESTful way to create multiple items in one request
I am working on a small client server program to collect orders. I want to do this in a "REST(ful) way".
7 Answers
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How to delete duplicate rows in SQL Server?
...4], [col5], [col6], [col7],
RN = ROW_NUMBER()OVER(PARTITION BY col1 ORDER BY col1)
FROM dbo.Table1
)
DELETE FROM CTE WHERE RN > 1
DEMO (result is different; I assume that it's due to a typo on your part)
COL1 COL2 COL3 COL4 COL5 COL6 COL7
john 1 1 1...