大约有 42,000 项符合查询结果(耗时:0.0533秒) [XML]

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How do I get the current date in JavaScript?

... == 'Y-\\WW' 'isoYearWeekDay' == 'Y\\WWj' 'isoYearWeekDay2' == 'Y-\\WW-j' 'mySQL' == 'Y-m-d h:i:s' 'postgreSQL' == 'Y.z' 'postgreSQL2' == 'Yz' 'soap' == 'Y-m-d\\TH:i:s.u' 'soap2' == 'Y-m-d\\TH:i:s.uP' 'unixTimestamp' == '@U' 'xmlrpc' == 'Ymd\\TG:i:s' 'xmlrpcCompact' == 'Ymd\\tGis' 'wddx' == 'Y-n-j\\...
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What is the Oracle equivalent of SQL Server's IsNull() function?

... +1: COALESCE is ANSI, supported by Postgres, MySQL... The only caveat is that it doesn't necessarily perform as fast as native syntax. – OMG Ponies Aug 19 '10 at 17:33 ...
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getting date format m-d-Y H:i:s.u from milliseconds

....433818 10-29-2015 11:40:09.433818 Note that if you want to input into mysql, the time format needs to be: format("Y-m-d H:i:s.u") share | improve this answer | follow ...
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Laravel orderBy on a relationship

... If you use mysql strict mode, which is default in Laravel 5.4 ,f.ex you'll receive SQLSTATE[42000]: Syntax error or access violation: 1140 Mixing of GROUP columns ... – Sabine Feb 18 '17 at 15:15 ...
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Is it possible to reference one CSS rule within another?

...ariable") instead of any part of a value of another property. Example: :root { --main-bg-color: yellow; } @media (prefers-color-scheme: dark) { :root { --main-bg-color: black; } } body { background-color: var(--main-bg-color); } ...
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How do you manage databases in development, test, and production?

...s readable also at http://martinfowler.com/articles/evodb.html In one PHP+MySQL project I've had the database revision number stored in the database, and when the program connects to the database, it will first check the revision. If the program requires a different revision, it will open a page fo...
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LINQ: When to use SingleOrDefault vs. FirstOrDefault() with filtering criteria

...could translate to SQL in different ways. I just tried LINQPad with the IQ MySql provider, and FirstOrDefault() adds LIMIT 0,1 while SingleOrDefault() adds nothing. – Lucas Jan 15 '15 at 16:04 ...
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What in the world are Spring beans?

...e put the annotations in the Java file then Spring automatically scan the root-context where java configuration file, make it and put into the bag of Spring. Here is the detail URI where you got more information about Beans ...
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Flat file databases [closed]

...te. It works as a database, uses SQL, and is pretty easy to change over to MySQL (especially if you're using abstracted classes for database manipulation like I do!) In fact, especially with the "accepted answer"'s method, it can drastically cut the memory usage of your app (you don't have to load a...
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What is the most useful script you've written for everyday life? [closed]

... the printer near the reset button. Log in to the WS as a regular user (no root allowed, all external ports locked down), print a document with 24blank lines - which rotated the paper feed knob and the ruler pressed over the reset on the super special hardware. ...