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What does the caret (‘^’) mean in C++/CLI?
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It means that this is a reference to a managed object vs. a regular C++ pointer. Objects behind such references are managed by the runtime and can be relocated in the memory. They are also garbage-collected automatically.
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How to reset postgres' primary key sequence when it falls out of sync?
...t_value field to the
specified value and sets its is_called field to true, meaning that the
next nextval will advance the sequence before returning a value.
Bold emphasis mine.
If the table can be empty and to actually start from 1 in this case:
SELECT setval(pg_get_serial_sequence('tbl', 'tbl_id')...
Where to put model data and behaviour? [tl; dr; Use Services]
...r: building objects. I believe the "angularjs doesn't need a model" phrase means "you don't need to inherit from a special class, or use special methods (like ko.observable, in knockout) in order to work with models in angular, a pure js object will be enough".
– Felipe Castro
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SQL Server equivalent to Oracle's CREATE OR REPLACE VIEW
... VIEW statement involves "replaced by an Alter Statement" - what does that mean? It's also not clear to me what code should actually be replaced here, or how. I must be one of the few confused by your answer.
– Kyle Julé
Mar 13 '15 at 20:55
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How would you make two s overlap?
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hmm can you clarify? i take that to mean you just want the logo above the content? if so that's just a normal flow of divs (so remove left, top, position from #logo). i have a feeling you mean something else though! :)
– Owen
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SQL - Query to get server's IP address
...connections) so just thought to clarify what the ConnectionProperty params meant. Of course Chris Leonard's answer (dm_exec_connections) also is correct, for the same reasons. If you think my addendum is better off as separate answer than feel free to make it so :) Haven't answered Qs for a while, s...
How do I partially update an object in MongoDB so the new object will overlay / merge with the exist
... your update will fail if there was a conflicting concurrent update in the meantime. You can then detect that and act accordingly. This is called optimistic locking. But yeah, it depends on your application implementing it properly, Mongo itself does not have built-in transactions.
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Scroll to a div using jquery
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Glad to know it helped, but I think you mean "pickle", though I find it's better to eat them than to get out of them.
– Peter Ajtai
Sep 29 '11 at 5:21
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What is the difference between JOIN and UNION?
...acturer
1 hammer ABC GmbH
2 screwdriver DEF Co KG
That is a join.
UNION means that you have to tables or resultset with the
same amount and type of columns and you add this to
tables/resultsets together. Look at this example:
Table year2006
Articleno article price manufacturer_id
1 hammer 3 $ 1
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JPA - Returning an auto generated id after persist()
... you need to return the instance or is the passed reference still valid? I mean, does insertABC create a new object? Or modify the old one?
– ryvantage
Oct 13 '16 at 3:10
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