大约有 47,000 项符合查询结果(耗时:0.0663秒) [XML]

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How can I select the first day of a month in SQL?

I just need to select the first day of the month of a given datetime variable. 30 Answers ...
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Is it possible to print a variable's type in standard C++?

... update to a very old question: Print variable type in C++. The accepted (and good) answer is to use typeid(a).name(), where a is a variable name. Now in C++11 we have decltype(x), which can turn an expression into a type. And decltype() comes with its own set of very interesting rules. For exam...
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JOIN two SELECT statement results

Is it possible to join the results of 2 sql SELECT statements in one statement? I have a database of tasks where each record is a separate task, with deadlines (and a PALT , which is just an INT of days from start to deadline. Age is also an INT number of days.) ...
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How to change Android Studio's editor font?

...TRL + mouse wheel which is really easy to use it !!! To use this feature select File -> Settings -> Editor -> General -> select the checkbox of Change the font size (Zoom) with Ctrl + Mouse Wheel I hope it's helpful. ...
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Using DISTINCT and COUNT together in a MySQL Query

... use SELECT COUNT(DISTINCT productId) from table_name WHERE keyword='$keyword' share | improve this answer | ...
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SQL Server query - Selecting COUNT(*) with DISTINCT

... Count all the DISTINCT program names by program type and push number SELECT COUNT(DISTINCT program_name) AS Count, program_type AS [Type] FROM cm_production WHERE push_number=@push_number GROUP BY program_type DISTINCT COUNT(*) will return a row for each unique count. What you want is C...
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Adding additional data to select options using jQuery

... HTML Markup <select id="select"> <option value="1" data-foo="dogs">this</option> <option value="2" data-foo="cats">that</option> <option value="3" data-foo="gerbils">other</option> </select&...
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How to do INSERT into a table records extracted from another table

...UES", no parenthesis: INSERT INTO Table2(LongIntColumn2, CurrencyColumn2) SELECT LongIntColumn1, Avg(CurrencyColumn) as CurrencyColumn1 FROM Table1 GROUP BY LongIntColumn1; share | improve this an...
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Run ssh and immediately execute command [duplicate]

I'm trying to find UNIX or bash command to run a command after connecting to an ssh server. For example: 3 Answers ...
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resizes wrong; appears to have unremovable `min-width: min-content`

I have a <select> where one of its <option> ’s text values is very long. I want the <select> to resize so it is never wider than its parent, even if it has to cut off its displayed text. max-width: 100% should do that. ...