大约有 44,000 项符合查询结果(耗时:0.0294秒) [XML]

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Capitalize first letter. MySQL

... You can use a combination of UCASE(), MID() and CONCAT(): SELECT CONCAT(UCASE(MID(name,1,1)),MID(name,2)) AS name FROM names; share | improve this answer | ...
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Is there a way of making strings file-path safe in c#?

...id chars and an _ for invalid ones var validFilename = new string(filename.Select(ch => invalidFileNameChars.Contains(ch) ? '_' : ch).ToArray()); To replace invalid characters (and avoid potential name conflict like Hell* vs Hell$): static readonly IList<char> invalidFileNameChars = Path...
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SQL Developer is returning only the date, not the time. How do I fix this?

...WOW... this was beautiful. Can't believe I was doing the conversion in the select statement. – Leniel Maccaferri Sep 21 '13 at 0:07 16 ...
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Procedure expects parameter which was not supplied

... data tab [beside layout and Preview tabs] next to the name of the dataset selected, there is another drop down control that lets you change the CommandType. Enjoy! – SarjanWebDev Aug 14 '12 at 6:17 ...
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SQL select only rows with max value on a column [duplicate]

...ce... All you need is a GROUP BY clause with the MAX aggregate function: SELECT id, MAX(rev) FROM YourTable GROUP BY id It's never that simple, is it? I just noticed you need the content column as well. This is a very common question in SQL: find the whole data for the row with some max value ...
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Find a string by searching all tables in SQL Server Management Studio 2008

...T NULL BEGIN SET @ColumnName = '' SET @TableName = ( SELECT MIN(QUOTENAME(TABLE_SCHEMA) + '.' + QUOTENAME(TABLE_NAME)) FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE = 'BASE TABLE' AND QUOTENAME(TABLE_SCHEMA) + '.' + QUOTENAME(TABLE_N...
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Linux: is there a read or recv from socket with timeout?

How can I try to read data from socket with timeout? I know, select, pselect, poll, has a timeout field, but using of them disables "tcp fast-path" in tcp reno stack. ...
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What is the maximum length of a table name in Oracle?

...ith standard SQL you can also determine the lengths by querying the table: select * from all_tab_columns where table_name = 'ALL_TAB_COLUMNS'; – JustinKSU Mar 11 '16 at 23:18 1 ...
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SQL Server: Make all UPPER case to Proper Case/Title Case

...lare @i int; declare @c char(1); if @Text is null return null; select @Reset = 1, @i = 1, @Ret = ''; while (@i <= len(@Text)) select @c = substring(@Text, @i, 1), @Ret = @Ret + case when @Reset = 1 then UPPER(@c) else LOWER(@c) end, @Reset = case when @c like '[a-zA...
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How can I reliably get an object's address when operator& is overloaded?

...on operator that the type comes with. Thus the f(T&,long) overload is selected (and the Integral Promotion performed). What happens for any other type ? Thus the f(T&,long) overload is selected, because there the type does not match the T* parameter. Note: from the remarks in the fil...