大约有 47,000 项符合查询结果(耗时:0.0623秒) [XML]

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Throwing the fattest people off of an overloaded airplane.

...uch better. I use something quite like this for a recommendation engine (I select the top 200 items from a list of several million). I typically end up with only 50,000 or 70,000 items actually added to the heap. I suspect that you'll see something quite similar: the majority of your candidates wil...
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sqlite database default time value 'now'

...ime('%s','now')) ); insert into example(data) values ('foo') ,('bar') ; select id ,data ,created_at as epoch ,datetime(created_at, 'unixepoch') as utc ,datetime(created_at, 'unixepoch', 'localtime') as localtime from example order by id ; id|data|epoch |utc |localtime 1 |foo ...
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What is SYSNAME data type in SQL Server?

... Just as an FYI.... select * from sys.types where system_type_id = 231 gives you two rows. (i'm not sure what this means yet but i'm 100% sure it's messing up my code right now) edit: i guess what it means is that you should join by the user_...
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What is the advantage of using heredoc in PHP? [closed]

...e day I used to use them to construct SQL queries: $sql = <<<SQL select * from $tablename where id in [$order_ids_list] and product_name = "widgets" SQL; To me this has a lower probability of introducing a syntax error than using quotes: $sql = " select * from $tablename where ...
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Moving project to another folder in Eclipse

... Right click on the Eclipse project in the Package Explorer, select Refactor, then select Move... In the dialog that comes up, enter or navigate to the new location and click OK. This will also preserve your CVS or other SCM metadata, but will also bring all your modifications as well...
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How to check SQL Server version

... Connect to the instance of SQL Server, and then run the following query: Select @@version An example of the output of this query is as follows: Microsoft SQL Server 2008 (SP1) - 10.0.2531.0 (X64) Mar 29 2009 10:11:52 Copyright (c) 1988-2008 Microsoft Corporation Express Edition (64-bit) ...
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Oracle SQL, concatenate multiple columns + add text

... select 'i like' || type_column || ' with' ect.... share | improve this answer | follow ...
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adding and removing classes in angularJs using ng-click

...s code actuali change class for all div, how I can apply class only to the selected clicked item – xzegga Apr 24 '14 at 4:44 ...
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How can I run just the statement my cursor is on in SQL Server Management Studio?

... Use Ctrl+KU to select a line. Then use F5 to run it. Although it only works for single line selection, still I find it quite useful. Hope it helps!! share ...
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Solving “Who owns the Zebra” programmatically?

... In Prolog, we can instantiate the domain just by selecting elements from it :) (making mutually-exclusive choices, for efficiency). Using SWI-Prolog, select([A|As],S):- select(A,S,S1),select(As,S1). select([],_). left_of(A,B,C):- append(_,[A,B|_],C). next_to(A,B,C):- l...