大约有 13,000 项符合查询结果(耗时:0.0301秒) [XML]

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Setting Vim whitespace preferences by filetype

...local ts=4 sw=4 sts=0 noexpandtab Also note: You can make vim show tab characters by using :set list. Once you have the tab/space options set correctly, you can make vim repair the file (replace spaces with tabs or vice versa) using the :retab! command. ...
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Is SQL syntax case sensitive?

... The SQL Keywords are case-insensitive (SELECT, FROM, WHERE, etc), but are often written in all caps. However in some setups table and column names are case-sensitive. MySQL has a configuration option to enable/disable it. Usually case-sensitive table and column na...
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Dialog to pick image from gallery or from camera

...hoto and for picking a photo. Just show a dialog with two options and upon selection, use the appropriate code. To take picture from camera: Intent takePicture = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); startActivityForResult(takePicture, 0);//zero can be replaced with any action code (called ...
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JSON encode MySQL results

... $sth = mysqli_query($conn, "SELECT ..."); $rows = array(); while($r = mysqli_fetch_assoc($sth)) { $rows[] = $r; } print json_encode($rows); The function json_encode needs PHP >= 5.2 and the php-json package - as mentioned here NOTE: mysql is dep...
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XPath to select element based on childs child value

Trying to select an element based on the value of one of it's childrens childrens 1 Answer ...
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SQL Server principal “dbo” does not exist,

... Do Graphically. Database right click-->properties-->files-->select database owner-->select [sa]-- ok share | improve this answer | follow | ...
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Why does MYSQL higher LIMIT offset slow the query down?

...h more than 16 million records [2GB in size]. The higher LIMIT offset with SELECT, the slower the query becomes, when using ORDER BY *primary_key* ...
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ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired

...table is already locked by some query. For example, you may have executed "select for update" and have not yet committed/rollbacked and fired another select query. Do a commit/rollback before executing your query. share ...
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Changing navigation bar color in Swift

...UIColor.whiteColor() UINavigationBar.appearance().barTintColor = Style.SELECTED_COLOR UINavigationBar.appearance().translucent = false UINavigationBar.appearance().clipsToBounds = false UINavigationBar.appearance().backgroundColor = Style.SELECTED_COLOR UINavigationBar.appearance...
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Create code first, many to many, with additional fields in association table

...OfMembers = context.Members .Where(m => m.LastName == "Smith") .SelectMany(m => m.MemberComments.Select(mc => mc.Comment)) .ToList(); ... or ... var commentsOfMembers = context.MemberComments .Where(mc => mc.Member.LastName == "Smith") .Select(mc => mc.Comment) ...