大约有 18,336 项符合查询结果(耗时:0.0293秒) [XML]

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SQL Server: Is it possible to insert into two tables at the same time?

...ata_Table and Link_Table . The link table just contains two columns, the identity of an object record and an identity of a data record. ...
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Add a column to existing table and uniquely number them on MS SQL Server

... this could be achieved as follows: alter table Example add NewColumn int identity(1,1) share | improve this answer | follow | ...
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Can I change the checkbox size using CSS?

...e: 110%; display: inline; } <input type="checkbox" name="optiona" id="opta" checked /> <span class="checkboxtext"> Option A </span> <input type="checkbox" name="optionb" id="optb" /> <span class="checkboxtext"> Option B </span> <input type="ch...
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Select row with most recent date per user

... Query: SQLFIDDLEExample SELECT t1.* FROM lms_attendance t1 WHERE t1.time = (SELECT MAX(t2.time) FROM lms_attendance t2 WHERE t2.user = t1.user) Result: | ID | USER | TIME | IO | -------------...
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How do you perform a left outer join using linq extension methods

... For a (left outer) join of a table Bar with a table Foo on Foo.Foo_Id = Bar.Foo_Id in lambda notation: var qry = Foo.GroupJoin( Bar, foo => foo.Foo_Id, bar => bar.Foo_Id, (x,y) => new { Foo = x, Bars = y }) .SelectMany( x =...
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PostgreSQL - max number of parameters in “IN” clause?

...using Posgresql's JDBC driver 9.1. This is a test of "delete from x where id in (... 100k values...)" with the postgresql jdbc driver: Caused by: java.io.IOException: Tried to send an out-of-range integer as a 2-byte value: 100000 at org.postgresql.core.PGStream.SendInteger2(PGStream.java:201)...
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How to get the body's content of an iframe in Javascript?

...iframes content. First get your iframe var iframe = document.getElementById('id_description_iframe'); // or var iframe = document.querySelector('#id_description_iframe'); And then use jQuery's solution var iframeDocument = iframe.contentDocument || iframe.contentWindow.document; It works ...
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How to fix: android.app.RemoteServiceException: Bad notification posted from package *: Couldn't cre

... What if we try to set the textSize of the remote view as ret.setInt(id, "setTextSize", 20); It also crashes. I know we also have to provide the units, but how do I do that with such method signature. Any pointer?? – bitsabhi Jan 28 '16 at 9:30 ...
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JavaScript validation for empty input field

... <script type="text/javascript"> function validateForm() { var a = document.forms["Form"]["answer_a"].value; var b = document.forms["Form"]["answer_b"].value; var c = document.forms["Form"]["answer_c"].value; var d = document.forms["Form"]["answer_d"...
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Implementing Comments and Likes in database

... Entity-relationship term for this is "category" (see the ERwin Methods Guide, section: "Subtype Relationships"). The category symbol is: Assuming a user can like multiple entities, a same tag can be used for more than one entity but a comment is entity-specific, your model could look like this:...