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On Duplicate Key Update same as insert
...ernatively, you can use:
INSERT INTO table (id,a,b,c,d,e,f,g)
VALUES (1,2,3,4,5,6,7,8)
ON DUPLICATE KEY
UPDATE a=a, b=b, c=c, d=d, e=e, f=f, g=g;
To get the id from LAST_INSERT_ID; you need to specify the backend app you're using for the same.
For LuaSQL, a conn:getlastautoid() fetches the ...
Loading Backbone and Underscore using RequireJS
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edited Jul 31 '13 at 17:00
answered Jun 6 '12 at 12:56
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'printf' vs. 'cout' in C++
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360
I'm surprised that everyone in this question claims that std::cout is way better than printf, ...
How do I remove the “extended attributes” on a file in Mac OS X?
...es/…
– Quinn Taylor
Oct 19 '11 at 3:45
It appears that the -c option was removed in Mountain Lion (10.8). xattr -h n...
How to profile a bash shell script slow startup?
My bash shell takes up to 3-4 seconds to start up, while if I start it with --norc it runs immediately.
7 Answers
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Difference between a “coroutine” and a “thread”?
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answered Dec 20 '09 at 3:10
Alex MartelliAlex Martelli
724k148148 gold badges11261126 silver badges13241324 bronze badges
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How do I handle the window close event in Tkinter?
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183
Tkinter supports a mechanism called protocol handlers. Here, the term protocol refers to the int...
Where can I learn how to write C code to speed up slow R functions? [closed]
...yfold increases with C++ (on what is of course a contrived example).
Edit 3: There is complexity in that you may run into C++ errors that are, to put it mildly, hard to grok. But to just use Rcpp rather than to extend it, you should hardly ever need it. And while this cost is undeniable, it is fa...
What characters are valid for JavaScript variable names?
... in a single ASCII-only regular expression for JavaScript, it would be 11,236 characters long. Here it is:
// ES5.1 / Unicode 6.1
/^(?!(?:do|if|in|for|let|new|try|var|case|else|enum|eval|false|null|this|true|void|with|break|catch|class|const|super|throw|while|yield|delete|export|import|public|retur...
Way to get number of digits in an int?
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30 Answers
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