大约有 46,000 项符合查询结果(耗时:0.0312秒) [XML]

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Get records with max value for each group of grouped SQL results

... There's a super-simple way to do this in mysql: select * from (select * from mytable order by `Group`, age desc, Person) x group by `Group` This works because in mysql you're allowed to not aggregate non-group-by columns, in which case mysql just returns the first row. T...
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Search of table names

... I'm using this and works fine SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME LIKE '%%' share | improve this answer | ...
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How do I replace text in a selection?

...e you have open. There is an icon option which when hovered over says "In Selection" that you can select to find and replace within a selection. I've pointed to the correct icon in the screenshot below. Hit replace all, and voila, all instances of '0' will be replaced with '255'. Note: this ...
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Sublime Text 2 multiple line edit

...t and edit all lines at once. It's also called "Split into Lines" in the "Selection" menu. share | improve this answer | follow | ...
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Reset select2 value and show placeholder

How do I set the placeholder on value reset by select2. In my example If locations or grade select boxes are clicked and my select2 has a value than the value of select2 should reset and show the default placeholder. This script is resetting the value but won't show the placeholder ...
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Find most frequent value in SQL column

... SELECT `column`, COUNT(`column`) AS `value_occurrence` FROM `my_table` GROUP BY `column` ORDER BY `value_occurrence` DESC LIMIT 1; Replace column and my_table. Increase 1 if you wa...
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Get the Highlighted/Selected text

... Getting the text the user has selected is relatively simple. There's no benefit to be gained by involving jQuery since you need nothing other than the window and document objects. function getSelectionText() { var text = ""; if (window.getSelecti...
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How to set Sqlite3 to be case insensitive when string comparing?

I want to select records from sqlite3 database by string matching. But if I use '=' in the where clause, I found that sqlite3 is case sensitive. Can anyone tell me how to use string comparing case-insensitive? ...
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How to convert DateTime to VarChar

...yDateTime DATETIME SET @myDateTime = '2008-05-03' -- -- Convert string -- SELECT LEFT(CONVERT(VARCHAR, @myDateTime, 120), 10) share | improve this answer | follow ...
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Is there a properly tested alternative to Select2 or Chosen? [closed]

I am looking for an alternative to Select2 that basically provides the same functionality, but includes proper tests. 3 An...