大约有 47,000 项符合查询结果(耗时:0.0406秒) [XML]

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Is SQL or even TSQL Turing Complete?

...(0); -- Initialization of temporary variables DECLARE @CodeLength INT = (SELECT COUNT(*) FROM @CodeTable); DECLARE @CodeIndex INT = 0; DECLARE @Pointer INT = 1; DECLARE @InputIndex INT = 0; DECLARE @Command CHAR(1); DECLARE @Depth INT; -- Main calculation cycle WHILE @CodeIndex < @...
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jQuery datepicker set selected date, on the fly

How can I change the selected date of jquery Date picker dynamically on the fly? I have say created a inline date picker. Then after some time, I want to reflect a different date there without recreating the datepicker from the scratch. ...
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How to group time by hour or by 10 minutes

...time intervals. (There is no collision between years.) Including it in the SELECT statement will give your output a column with pretty output truncated at the level you specify. '2000' is an "anchor date" around which SQL will perform the date math. Jereonh discovered below that you encounter an in...
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How do I obtain a Query Execution Plan in SQL Server?

...ution plan in SQL Server Management Studio, or right click on the plan and select "Save Execution Plan As ..." to save the plan to a file in XML format. Method 2 - Using SHOWPLAN options This method is very similar to method 1 (in fact this is what SQL Server Management Studio does internally), ho...
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SQLite DateTime comparison

... I had the same issue recently, and I solved it like this: SELECT * FROM table WHERE strftime('%s', date) BETWEEN strftime('%s', start_date) AND strftime('%s', end_date) share | ...
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Importing a GitHub project into Eclipse

...ries") Eclipse with GitHub EGit tutorial Copy the URL from GitHub and select in Eclipse from the menu the File → Import → Git → Projects from Git If the Git repo isn't cloned yet: In> order to checkout a remote project, you will have to clone its repository first. Open the E...
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Convert timestamp to date in MySQL query

... SELECT * FROM users WHERE DATE_FORMAT(FROM_UNIXTIME(users.user_created_at),'%Y-%b-%e') = '2015-03-06' is this correct format or should i modify this? – Dheeraj Thedijje Mar 7 '18 at 11:4...
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Ruby: Can I write multi-line string with no concatenation?

... HEREDOC syntax (via this link): p <<END_SQL.gsub(/\s+/, " ").strip SELECT * FROM users ORDER BY users.id DESC END_SQL # >> "SELECT * FROM users ORDER BY users.id DESC" The latter would mostly be for situations that required more flexibility in the processing. I personall...
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How to select a radio button by default? [duplicate]

I have some radio buttons and I want one of them to be set as selected by default when the page is loaded. How can I do that? ...
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XPath to select Element by attribute value

...he parts in [ ]) shouldn't have slashes immediately before them. Also, to select the Employee element itself, you should leave off the /text() at the end or otherwise you'd just be selecting the whitespace text values immediately under the Employee element. //Employee[@id='4'] Edit: As Jens poin...