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INSERT IF NOT EXISTS ELSE UPDATE?
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edited Jul 2 '14 at 6:34
answered Sep 3 '10 at 10:55
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Bitwise operation and usage
... the lower 4 bits of an integer, you AND it with 15 (binary 1111) so:
201: 1100 1001
AND 15: 0000 1111
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IS 9 0000 1001
The zero bits in 15 in that case effectively act as a filter, forcing the bits in the result to be zero as well.
In addition, >> and << ar...
Find full path of the Python interpreter?
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edited Nov 9 '15 at 21:16
vy32
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Android. WebView and loadData
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myWebView.loadData(myHtmlString, "text/html; charset=UTF-8", null);
This works flawlessly, e...
Does JavaScript guarantee object property order?
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12 Answers
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Peak signal detection in realtime timeseries data
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SQL - The conversion of a varchar data type to a datetime data type resulted in an out-of-range valu
...ther formats like mm/dd/yyyy (usually works).
Specifying the date as 30/12/2013 resulted in the error for me. However, specifying it as mm/dd/yyyy format worked.
If you need to convert your input the you can try looking into the CONVERT method.
Syntax is
CONVERT(VARCHAR,@your_date_Value,103)
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How do you run a single test/spec file in RSpec?
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edited May 5 '12 at 4:13
Ray Baxter
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What does the git index contain EXACTLY?
...he contents of the index:
$ git ls-files --stage
100644 63c918c667fa005ff12ad89437f2fdc80926e21c 0 .gitignore
100644 5529b198e8d14decbe4ad99db3f7fb632de0439d 0 .mailmap
The Racy git problem gives some more details on that structure:
The index is one of the most important data structures in gi...
How to map atan2() to degrees 0-360
atan2(y, x) has that discontinuity at 180° where it switches to -180°..0° going clockwise.
15 Answers
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