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PostgreSQL delete with inner join

...ctprice WHERE m_pricelist_version_id='1000020' AND m_product_id IN (SELECT m_product_id FROM m_product WHERE upc = '7094'); share | improve t...
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Select second last element with css

I already know of :last-child. But is there a way to select the div: 2 Answers 2 ...
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Oracle: how to UPSERT (update or insert into a table?)

...e mergetest(a number, b number); call ups(10); call ups(10); call ups(20); select * from mergetest; A B ---------------------- ---------------------- 10 2 20 1 s...
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how to schedule a job for sql query to run daily?

...QL Server Agent node and right click the Jobs node in SQL Server Agent and select 'New Job' In the 'New Job' window enter the name of the job and a description on the 'General' tab. Select 'Steps' on the left hand side of the window and click 'New' at the bottom. In the 'Steps' window enter a step n...
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How can I copy the output of a command directly into my clipboard?

...mewhere else other than a X application, try this one: cat file | xclip -selection clipboard share | improve this answer | follow | ...
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What does SQL clause “GROUP BY 1” mean?

... SELECT account_id, open_emp_id ^^^^ ^^^^ 1 2 FROM account GROUP BY 1; In above query GROUP BY 1 refers to the first column in select statement which is account_id. You also can speci...
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Is short-circuiting logical operators mandated? And evaluation order?

...h C and C++. If it wasn't, code like this would not be a common idiom char* pChar = 0; // some actions which may or may not set pChar to something if ((pChar != 0) && (*pChar != '\0')) { // do something useful } Section 6.5.13 Logical AND operator of the C99 specificat...
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CSS /JS to prevent dragging of ghost image?

... Doesn't work in FF in combination with -moz-user-select: none. Possible solution: Add pointer-events: none. – Cedric Reichenbach Apr 5 '14 at 14:10 9 ...
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How can I get the behavior of GNU's readlink -f on a Mac?

...es, sys libc = ctypes.CDLL('libc.dylib') libc.realpath.restype = ctypes.c_char_p libc.__error.restype = ctypes.POINTER(ctypes.c_int) libc.strerror.restype = ctypes.c_char_p def realpath(path): buffer = ctypes.create_string_buffer(1024) # PATH_MAX if libc.realpath(path, buffer): ret...
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Select elements by attribute in CSS

Is it possible to select elements in CSS by their HTML5 data attributes (for example, data-role )? 5 Answers ...