大约有 1,700 项符合查询结果（耗时：0.0091秒） [XML]
Do I need elements in persistence.xml?
...red Nov 22 '09 at 23:41
Mads MobækMads Mobæk
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How to convert a column number (e.g. 127) into an Excel column (e.g. AA)
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If anyone needs to do this in Excel without VBA, here is a way:
=SUBSTITUTE(ADDRESS(1;colNum;4);"1";"")
where colNum is the column number
And in VBA:
Function GetColumnName(colNum As Integer) As String
Dim d As Integer
Dim m As Integer
Dim name As Stri...
JavaScript “new Array(n)” and “Array.prototype.map” weirdness
...ered Mar 31 '11 at 14:45
David MårtenssonDavid Mårtensson
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Change MySQL default character set to UTF-8 in my.cnf?
...8, you want to add the following to my.cnf
[client]
default-character-set=utf8
[mysql]
default-character-set=utf8
[mysqld]
collation-server = utf8_unicode_ci
init-connect='SET NAMES utf8'
character-set-server = utf8
If you want to change the character set for an existing DB, let me know... you...
How to convert an entire MySQL database characterset and collation to UTF-8?
...ABASE and ALTER TABLE commands.
ALTER DATABASE databasename CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
ALTER TABLE tablename CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
Or if you're still on MySQL 5.5.2 or older which didn't support 4-byte UTF-8, use utf8 instead of utf8mb...
Couldn't register with the bootstrap Server
... answered May 30 '11 at 21:09
Pål BrattbergPål Brattberg
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Make HTML5 video poster be same size as video itself
...ered Jan 16 '15 at 10:18
Veiko JäägerVeiko Jääger
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What's wrong with Groovy multi-line String?
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The second one is also how VBA multiline statements work :D (Only with underscores instead of backslashes, because VBA.)
– Charles Wood
Nov 1 '16 at 16:50
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“Incorrect string value” when trying to insert UTF-8 into MySQL via JDBC?
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MySQL's utf8 permits only the Unicode characters that can be represented with 3 bytes in UTF-8. Here you have a character that needs 4 bytes: \xF0\x90\x8D\x83 (U+10343 GOTHIC LETTER SAUIL).
If you have MySQL 5.5 or later you can cha...
Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '=
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The default collation for stored procedure parameters is utf8_general_ci and you can't mix collations, so you have four options:
Option 1: add COLLATE to your input variable:
SET @rUsername = ‘aname’ COLLATE utf8_unicode_ci; -- COLLATE added
CALL updateProductUsers(@rUsername...