大约有 43,000 项符合查询结果(耗时:0.0511秒) [XML]

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What does $_ mean in PowerShell?

...dItem | Add-Member -Type NoteProperty -Name Bar -Value $_.Name -PassThru | Select Bar ... Well, it can work if you have a $_ in the scope where you're executing that pipeline. But that's very different from what you usually mean when trying to write something like that. – Joey ...
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Select multiple records based on list of Id's with linq

I have a list containing Id's of my UserProfile table. How can i select all UserProfiles based on the list of Id's i got in a var using LINQ ? ...
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In SQL, what's the difference between count(column) and count(*)?

...a values(null,1) insert #bla values(1,null) insert #bla values(null,null) select count(*),count(id),count(id2) from #bla results 7 3 2 share | improve this answer | fo...
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What's the best way to join on the same table twice?

...tiple times or using subqueries etc. I would just clean things up a bit: SELECT t.PhoneNumber1, t.PhoneNumber2, t1.SomeOtherFieldForPhone1, t2.someOtherFieldForPhone2 FROM Table1 t JOIN Table2 t1 ON t1.PhoneNumber = t.PhoneNumber1 JOIN Table2 t2 ON t2.PhoneNumber = t.PhoneNumber2 What i did:...
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Linq to Sql: Multiple left outer joins

... .Where(s => s.Id == order.StatusId) .DefaultIfEmpty() select new { Order = order, Vendor = vendor, Status = status } //Vendor and Status properties will be null if the left join is null Here is another left join example var results = from expense in expenseDataConte...
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How to attach javadoc or sources to jars in libs folder?

...-open the Eclipse project! Optionally, refresh the project by pressing F5. Select an object of the linked library in the source code. Open the Javadoc view in Eclipse to check the documentation (see screenshot). Open the source code declaration (default shortcut: F3) of the selected object. Exam...
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“405 method not allowed” in IIS7.5 for “PUT” method

...ick on "WebDAV". 5.Click on "Request Restrictions". 6.In the tab "Verbs" select "All verbs" . 7.Press OK. share | improve this answer | follow | ...
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Removing transforms in SVG files

...ltogether without creating another transform attributes Go to Edit -> Select All in All Layers Go to Object -> Transform In Transform panel Uncheck Relative move and check Apply to each object separately Set Horizontal and Vertical values according to your needs and click Apply ...
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IntelliJ does not show project folders

...next button which takes you to the Content root. Find your root folder and select it Click the "ok" button Ignore any warning that says the name is already in use share | improve this answer ...
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Twitter Bootstrap Form File Element Upload Button

...hod, as well as examples for how to show the user which/how many files are selected: http://www.abeautifulsite.net/whipping-file-inputs-into-shape-with-bootstrap-3/ share | improve this answer ...