大约有 44,000 项符合查询结果(耗时:0.0314秒) [XML]

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Linq to SQL how to do “where [column] in (list of values)”

...CodeData>() where codeIDs.Contains(codeData.CodeId) select codeData; But you might as well do that in dot notation: var foo = channel.AsQueryable<CodeData>() .Where(codeData => codeIDs.Contains(codeData.CodeId)); ...
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What are the uses for Cross Join?

...ly, like size and color information for a particular article of clothing: select size, color from sizes CROSS JOIN colors Maybe you want a table that contains a row for every minute in the day, and you want to use it to verify that a procedure has executed each minute, so you might c...
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SQL Joins Vs SQL Subqueries (Performance)?

...e result i was looking for was 739 elements. My query at first was this: SELECT p.id, p.fixedId, p.azienda_id, p.categoria_id, p.linea, p.tipo, p.nome FROM prodotto p WHERE p.azienda_id = 2699 AND p.anno = ( SELECT MAX(p2.anno) FROM prodotto p2 WHERE p2.fixed...
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Can you organize imports for an entire project in eclipse with a keystroke?

... Select the project in the package explorer and press Ctrl + Shift + O (same keystroke as the single class version). Should work for packages, etc. s...
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How do I create a SQL table under a different schema?

...er 2008 1. Navigate to Security > Schemas 2. Right click on Schemas and select New Schema 3. Complete the details in the General tab for the new schema. Like, the schema name is "MySchema" and the schema owner is "Admin". 4. Add users to the schema as required and set their permissions: 5. Add an...
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What does jquery $ actually return?

... From Rick Strahl's description: The jQuery Object: The Wrapped Set: Selectors return a jQuery object known as the "wrapped set," which is an array-like structure that contains all the selected DOM elements. You can iterate over the wrapped set like an array or access individual elem...
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Is it possible to apply CSS to half of a character?

.../ overflow: hidden; pointer-events: none; /* so the base char is selectable by mouse */ color: #f00; /* for demo purposes */ text-shadow: 2px -2px 0px #af0; /* for demo purposes */ } .halfStyle:after { /* creates the right part */ display: block; direction: rtl; /* ...
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Is there a shortcut in Eclipse to Re-run the most recently launched program?

...running and debugging applications has been simplified to run or debug the selected file or active editor. When the selected resource (or active editor) is not executable, users can opt to launch the associated project or re-launch the previous launch. These settings are managed on the Run/D...
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How do I hide .class files from the Open Resource dialog in Eclipse?

... Right click on the project and select Properties Expand Resource and click on Resource Filters Click on Add Filter... to create a new filter On the dialog box that opens Select the Exclude all and Files radio buttons Under File and Folder Attributes e...
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SQL query to group by day

...dateadd(DAY,0, datediff(day,0, created)) return '2009-11-02 00:00:00.000' select sum(amount) as total, dateadd(DAY,0, datediff(day,0, created)) as created from sales group by dateadd(DAY,0, datediff(day,0, created)) share ...