大约有 40,000 项符合查询结果(耗时:0.0250秒) [XML]

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How can I force Powershell to return an array when a call only returns one object?

...wmi Win32_NetworkAdapterConfiguration | Where { $_.IPAddress } | Select -Expand IPAddress | Where { $_ -like '*.*.*.*' } | Sort) Specify the data type of the variable as an array: [array]$serverIps = gwmi Win32_NetworkAdapterConfiguration | Where { $_.IPAddress } | S...
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Heroku Postgres - terminate hung query (idle in transaction)

...'s not desirable or not an option ...) Find the PID by running this sql: SELECT pid , query, * from pg_stat_activity WHERE state != 'idle' ORDER BY xact_start; (The query may need mending dependent of the version of postgres - eventually, just select * from pg_stat_activity). You'll find the ...
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LINQ: “contains” and a Lambda query

...Here is how you can use Contains to achieve what you want: buildingStatus.Select(item => item.GetCharValue()).Contains(v.Status) this will return a Boolean value. share | improve this answer ...
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Could not load file or assembly 'System.Web.Http 4.0.0 after update from 2012 to 2013

...b API 2.1 WebHost. In solution explorer in the references right click and select manage nuget packages. (if not there install nuget) In the manage NuGet Packages window on the left side click online then in top right search for Web Host and install Microsoft ASP.NET Web API 2.1 Web Host. (Once i...
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Best way to get identity of inserted row?

...rator error', GETDATE()); --Display the result set of the table variable. SELECT NewScrapReasonID, Name, ModifiedDate FROM @MyTableVar; --Display the result set of the table. SELECT ScrapReasonID, Name, ModifiedDate FROM Production.ScrapReason; GO ...
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Modifying a subset of rows in a pandas dataframe

...The df.A==0 expression creates a boolean series that indexes the rows, 'B' selects the column. You can also use this to transform a subset of a column, e.g.: df.loc[df.A==0, 'B'] = df.loc[df.A==0, 'B'] / 2 I don't know enough about pandas internals to know exactly why that works, but the basic is...
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Sql Server 'Saving changes is not permitted' error ► Prevent saving changes that require table re-cr

...ck Options, expand Designers, and then click Table and Database Designers. Select or clear the Prevent saving changes that require the table to be re-created check box. See Also Colt Kwong Blog Entry: Saving changes is not permitted in SQL 2008 Management Studio ...
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Selecting multiple columns in a pandas dataframe

...7 44 R3 47 30 84 R4 41 62 1 R5 5 58 0 ... Same works for selecting rows based on labels. Get the rows 'R6' to 'R10' from those columns: df.loc['R6':'R10', 'C':'E'] Out: C D E R6 51 27 31 R7 83 19 18 R8 11 67 65 R9 78 27 29 R10 7 16 94 .loc also ac...
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Create batches in linq

... int maxItems) { return items.Select((item, inx) => new { item, inx }) .GroupBy(x => x.inx / maxItems) .Select(g => g.Select(x => x.item)); } } and the usage would be: List<int> list = new L...
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Get real path from URI, Android KitKat new storage access framework [duplicate]

....Audio.Media.EXTERNAL_CONTENT_URI; } final String selection = "_id=?"; final String[] selectionArgs = new String[] { split[1] }; return getDataColumn(context, contentUri, selection, selectionArgs); } } ...