大约有 48,000 项符合查询结果(耗时:0.0472秒) [XML]

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Should I commit or rollback a read transaction?

... I create a temp table, populate it with ids, join it with a data table to select the data that goes with the ids, then delete the temp table. I'm really just reading data, and I don't care what happens to the temp table, since it's temporary... but from a performance perspective, would it be more ...
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Azure SQL Database Bacpac Local Restore

...gement Studio 2012 Right click on the Connection > Databases node and select "Import Data-tier application..." Select "Next" on the introduction step. Browse, or connect to a storage account where backups are kept. sh...
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How can I make a horizontal ListView in Android? [duplicate]

...d of "HorizontalListView", the "i" is too much) to update child-views when selected. UPDATE: My code that I posted here was wrong I suppose, as I ran into trouble with selection (i think it has to do with view recycling), I have to go back to the drawing board... UPDATE 2: Ok Problem solved, I sim...
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How can I trim leading and trailing white space?

...lti-line strings, despite \n being in the covered character class. trimws("SELECT\n blah\n FROM foo;") still contains newlines. – Jubbles Dec 31 '15 at 1:10 ...
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Visual Studio 2012 Web Publish doesn't copy files

...profile and create a fresh one. when you right click on your solution and select publish, you have a profile set. delete this and create a new one. this will fix it. I had this problem from switching from 2010 to 2012 sha...
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IF statement: how to leave cell blank if condition is false (“” does not work)

...ls in a column, I would recommend filtering on the column for blanks, then selecting the resulting cells and pressing Del. After which you can remove the filter. share | improve this answer ...
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How to create a database from shell command?

... I get this error ERROR 1046 (3D000) at line 27: No database selected when I run echo "create database databasename" | mysql -u -u username -p command – keerthi Mar 15 '13 at 5:16 ...
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Disable spell checking on IntelliJ IDEA

...u can either: Disable spell checking entirely, or Disable spell checking selectively (e.g. just the code), but enable for some others (e.g. comments). I'm on MacOS Webstorm (version 2016.1.2). First thing first, go to the "Inspection" pane like this... Webstorm -> Preferences -> search fo...
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How to change the default charset of a MySQL table?

... in a database, you can use this query and execute the resulted queries : SELECT concat('alter table ', table_name, ' CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;') FROM information_schema.tables WHERE table_schema='<your_database_name>' and table_collation != 'utf8_general_ci' GR...
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What's the hardest or most misunderstood aspect of LINQ? [closed]

...string> { "Bob", "Alice", "Trent" }; var results = from s in items select s; Console.WriteLine("Before add:"); foreach (var result in results) { Console.WriteLine(result); } items.Add("Mallory"); // // Enumerating the results again will return the new ...