大约有 47,000 项符合查询结果(耗时:0.0481秒) [XML]

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Linq with group by having count

... from c in db.Company group c by c.Name into grp where grp.Count() > 1 select grp.Key Or, using the method syntax: Company .GroupBy(c => c.Name) .Where(grp => grp.Count() > 1) .Select(grp => grp.Key); ...
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How to tell Xcode where my info.plist and .pch files are

...g to add my discoveries here as it is slightly different for Xcode 4.2: Select your project In the left side of the middle pane, select your app under "Targets" Select the tab "Build Settings" Search the following keywords: "info.plist" and "pch" At this point it should be pretty clear which are ...
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How do I convert a column of text URLs into active hyperlinks in Excel?

...y name itself HyperAdd. Sub HyperAdd() 'Converts each text hyperlink selected into a working hyperlink For Each xCell In Selection ActiveSheet.Hyperlinks.Add Anchor:=xCell, Address:=xCell.Formula Next xCell End Sub When you're finished pasting your macro, click Close and Re...
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How do I do word Stemming or Lemmatization?

...that you have now downloaded the corpus, it works like this: >>> from nltk.stem.wordnet import WordNetLemmatizer >>> lmtzr = WordNetLemmatizer() >>> lmtzr.lemmatize('cars') 'car' >>> lmtzr.lemmatize('feet') 'foot' >>> lmtzr.lemmatize('people') 'people' &...
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JavaScript: Create and save file [duplicate]

... @user1756980 - Yes. You would need to "Save To File" from that new tab. – Jesse Chisholm Jul 22 '14 at 17:44 ...
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Android SDK installation doesn't find JDK

...al times, but it's still not working. Neither does running SDK Manager.exe from the archive and I am positive I have JDK 7 installed (even ran the installer again and it told me it's already installed). – f.ardelian Mar 25 '12 at 13:14 ...
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Search and replace in bash using regular expressions

... Thanks so much! Out of curiosity, why did you switch from a one line version (in your original answer) to a two-liner? – Lanaru Oct 24 '12 at 5:30 9 ...
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Convert varchar to uniqueidentifier in SQL Server

... DECLARE @uuid VARCHAR(50) SET @uuid = 'a89b1acd95016ae6b9c8aabb07da2010' SELECT CAST( SUBSTRING(@uuid, 1, 8) + '-' + SUBSTRING(@uuid, 9, 4) + '-' + SUBSTRING(@uuid, 13, 4) + '-' + SUBSTRING(@uuid, 17, 4) + '-' + SUBSTRING(@uuid, 21, 12) AS UNIQUEIDENTIFIER) ...
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How can I truncate a datetime in SQL Server?

...umbled on this when I tried to truncate a date to the first of the month: SELECT DATEADD( m, 0, DATEDIFF( m, 0, GETDATE( ) ) ) does not work, but SELECT DATEADD( m, DATEDIFF( m, 0, GETDATE( ) ), 0 ) does. At least, this is what I see in 2008R2. – Kelly Cline ...
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What is the Swift equivalent of respondsToSelector?

...ing it on your own Swift class, you will need to ensure your class derives from NSObject. Here's an example of a Swift class that you can check if it responds to a selector: class Worker : NSObject { func work() { } func eat(food: AnyObject) { } func sleep(hours: Int, minutes: Int) { }...