大约有 40,000 项符合查询结果(耗时:0.0410秒) [XML]

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C# SQL Server - Passing a list to a stored procedure

...StringList READONLY AS BEGIN -- Just return the items we passed in SELECT l.Item FROM @list l; END Finally here's some sql to use it in c#: using (var con = new SqlConnection(connstring)) { con.Open(); using (SqlCommand cmd = new SqlCommand("exec sp_UseStringList @list", con)) ...
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Get PostGIS version

...s like GEOS and proj4 you might want to get their versions too. Then use: SELECT PostGIS_full_version(); share | improve this answer | follow | ...
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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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Where do I set my company name?

... In xCode 7.3 (edit: till 11.3.1) just select top project file and Look in Utilities on Left pane share | improve this answer | follow ...
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How to get duplicate items from a list using LINQ? [duplicate]

... var duplicates = lst.GroupBy(s => s) .SelectMany(grp => grp.Skip(1)); Note that this will return all duplicates, so if you only want to know which items are duplicated in the source list, you could apply Distinct to the resulting sequence or use the solution...
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What's the false operator in C# good for?

...he operator false declared in T, and T.&(x, y) is an invocation of the selected operator &. In other words, x is first evaluated and operator false is invoked on the result to determine if x is definitely false. Then, if x is definitely false, the result of the operation is the value previou...
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XPath to select multiple tags

...l-name()='e'] is both too-long and incorrect. This XPath expression will select nodes like: OhMy:c NotWanted:d QuiteDifferent:e share | improve this answer | follow ...
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When should I use a composite index?

...nefit a query that uses those fields for joining, filtering, and sometimes selecting. It will also benefit queries that use left-most subsets of columns in that composite. So the above index will also satisfy queries that need index( column_A, column_B, column_C ) index( column_A, column_B ) index(...
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Remove empty lines in text using Visual Studio

...t + T + O Under Environment tab > Keyboard Search for "DeleteBlank" and select Edit.DeleteBlankLines Add a new shortcut for example Ctrl+D,Ctrl+E Assign > OK select all text and hit the shortcut share | ...
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Why does Eclipse complain about @Override on interface methods?

... Project specific settings may be enabled. Select your project Project > Properties > Java Compiler, uncheck the Enable project specific settings or change Jdk 1.6 and above not forgetting the corresponding JRE. Incase it does not work, remove your project from...