大约有 44,000 项符合查询结果(耗时:0.0416秒) [XML]

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How do I format date and time on ssrs report?

... Hope this helps: SELECT convert(varchar, getdate(), 100) -- mon dd yyyy hh:mmAM SELECT convert(varchar, getdate(), 101) -- mm/dd/yyyy – 10/02/2008 SELECT convert(varchar, getdate(), 102) -- yyyy.mm.dd – 2008.10.02 ...
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How to remove the default arrow icon from a dropdown list (select element)?

I want to remove the dropdown arrow from a HTML <select> element. For example: 12 Answers ...
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What does the double colon (::) mean in CSS?

... It means pseudo element selector. It means the element to the right doesn't exist in the normal DOM, but can be selected. A pseudo-element is made of two colons (::) followed by the name of the pseudo-element. Source It was originally only a ...
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How do I check if a column is empty or null in MySQL?

... This will select all rows where some_col is NULL or '' (empty string) SELECT * FROM table WHERE some_col IS NULL OR some_col = ''; share | ...
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Are there any side effects of returning from inside a using() statement?

...nCreated descending where t.Id == singleId select t).SingleOrDefault(); } } Indeed, I might even be tempted to use dot notation, and put the Where condition within the SingleOrDefault: public static Transaction GetMostRecentTransaction(int singleId) { using...
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How to use clock() in C++

...0; int min = 0; int hr = 0; //cout << "Press any key to start:"; //char start = _gtech(); for (;;) { newline(); if(msec == 1000) { ++sec; msec = 0; } if(sec == 60) ...
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Swift - Split string over multiple lines

... This still works, but you need to manually add the \n character. For example, in the REPL: println("foo\n" + "bar") prints foo and bar on separate lines. – Brian Gerstle Jul 8 '15 at 17:41 ...
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MySQL: Invalid use of group function

..., not WHERE. The difference is: the WHERE clause filters which rows MySQL selects. Then MySQL groups the rows together and aggregates the numbers for your COUNT function. HAVING is like WHERE, only it happens after the COUNT value has been computed, so it'll work as you expect. Rewrite your subque...
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Weird Integer boxing in Java

... section 5.1.7: If the value p being boxed is true, false, a byte, a char in the range \u0000 to \u007f, or an int or short number between -128 and 127, then let r1 and r2 be the results of any two boxing conversions of p. It is always the case that r1 == r2. The discussion goes on...
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Why do I get “unresolved external symbol” errors when using templates? [duplicate]

...ings like basic_string<T> you're only ever going to be using it with char or wchar_t so if putting all the implementation in the header is a concern, instantiating it in the cpp is an option. The code is yours to command, not vice-versa. – shoosh Oct 31 ...