大约有 43,000 项符合查询结果(耗时:0.0472秒) [XML]

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Create new user in MySQL and give it full access to one database

...'; Where ALL (priv_type) can be replaced with specific privilege such as SELECT, INSERT, UPDATE, ALTER, etc. Then to reload newly assigned permissions run: FLUSH PRIVILEGES; Executing To run above commands, you need to run mysql command and type them into prompt, then logout by quit command...
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What is the difference between sql and mysql [closed]

...onal Database Management Systems allow the user to add, remove, update, or select records. Things like MySQ are the actual Management Systems which allow you to store and retrieve your data, whereas SQL is the actual language to do so. The basic SQL is somewhat universal - Selects usually look the ...
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Unable to update the EntitySet - because it has a DefiningQuery and no element exis

...ollowed to solve the problem as following: Right click on the edmx file, select Open with, XML editor Locate the entity in the edmx:StorageModels element Remove the DefiningQuery entirely Rename the store:Schema="dbo" to Schema="dbo" (otherwise, the code will generate an error saying the name is i...
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INNER JOIN vs LEFT JOIN performance in SQL Server

...(ID, Name) VALUES (4, 'Four') INSERT #Test2 (ID, Name) VALUES (5, 'Five') SELECT * FROM #Test1 t1 INNER JOIN #Test2 t2 ON t2.Name = t1.Name SELECT * FROM #Test1 t1 LEFT JOIN #Test2 t2 ON t2.Name = t1.Name DROP TABLE #Test1 DROP TABLE #Test2 If you run this and view the execution plan, you'll se...
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Custom Cell Row Height setting in storyboard is not responding

...cally because this answer applies to Interface Builder/Storyboards. If you select the cell in IB, then the Size Inspector shows Row Height at the top (with a "custom" checkbox), but if you select the whole table view the Size Inspector shows Row Height at the top there too (no "custom" in this case)...
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Mysql - How to quit/exit from stored procedure

...RE v_workflow_count INT(10); -- checking if workflow created for package select count(*) INTO v_workflow_count from workflow w where w.package_id = package_id ; this_proc:BEGIN -- this_proc block start here IF v_workflow_count = 0 THEN select 'no work flow ' as 'workflow_status' ; ...
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Best C++ Code Formatter/Beautifier

...grated with Visual Studio, Emacs, Vim (and others) and can format just the selected lines (or with git/svn to format some diff). It can be configured with a variety of options listed here. When using config files (named .clang-format) styles can be per directory - the closest such file in parent d...
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android get real path by Uri.getPath()

... This is what I do: Uri selectedImageURI = data.getData(); imageFile = new File(getRealPathFromURI(selectedImageURI)); and: private String getRealPathFromURI(Uri contentURI) { String result; Cursor cursor = getContentResolver().query(cont...
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Rails: fields_for with index?

...g.label :gallery_sets_id, "Position #{g.options[:index]}" %> <%= g.select :gallery_sets_id, @posts.collect { |p| [p.title, p.id] } %> <%# g.options[:index] += 1 %> <% end %> or <%= f.fields_for :blog_posts do |g| %> <%= g.label :gallery_sets_id, "Position #{g...
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Simplest way to profile a PHP script

...connect_to_db(); prof_flag("Perform query"); // Get all the data $select_query = "SELECT * FROM data_table"; $result = mysql_query($select_query); prof_flag("Retrieve data"); $rows = array(); $found_data=false; while($r = mysql_fetch_assoc($result)) { $found_data=tru...