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#Char
PyCharm中注释多行代码的几种方法
1.使用快捷键-对于Windows和Linux用户,选中需要注释的多行代码,按下`Ctrl`+`/`即可。-对于Mac用户,选中需要注释的多行代码,按下`Cmd`+`/`即可。2.使用菜单栏-选中需要注释的多行代码。-依次点击菜单栏中的`Code`>`CommentwithLineComment`(单行注释)或`...
开发笔记
·
2024-03-24
PyCharm
注释
多行
代码
几种
ORA-15458: invalid character in volume name
文档解释ORA-15458:invalidcharacterinvolumenameCause:Avolumenamewasspecifiedwithaninvalidcharacter.Action:Useavolumenamewithonlyalphanumericcharacters....
IT技术学习
·
2023-07-28
ORA-15458
invalid
character
in
volume
ORA-29372: identifier string is too long; it must be less than string characters
文档解释ORA-29372:identifierstringistoolong;itmustbelessthanstringcharactersCause:Anattemptwasmadetospecifyanidentifierthatismorethan30characterslong.Action:Useanid...
IT技术学习
·
2023-07-28
string
ORA-29372
identifier
is
too
ORA-30205: invalid Character set
文档解释ORA-30205:invalidCharactersetCause:Thespecifiedcharactersetisinvalid.Action:CheckifthecharactersetIDisvalid.ORA-30205:invalidCharacterset这是一个Oracle的数据库错误,用户...
IT技术学习
·
2023-07-28
ORA-30205
invalid
Character
set
ORA-47989: password should differ by at least 3 characters
文档解释ORA-47989:passwordshoulddifferbyatleast3charactersCause:Thepasswordspecifieddoesnotdifferfromthepreviousonebymorethan3charactersAction:Pleasespecifyapasswor...
IT技术学习
·
2023-07-28
ORA-47989
password
should
differ
by
ORA-12711: this CREATE CONTROLFILE character set is not allowed
文档解释ORA-12711:thisCREATECONTROLFILEcharactersetisnotallowedCause:ItisnotallowedtocreateacontrolfileonanativeASCII-basedmachineusinganEBCDIC-basedcharacterset,an...
IT技术学习
·
2023-07-28
ORA-12711
this
CREATE
CONTROLFILE
character
ORA-13619: The procedure argument string is greater than the maximum allowable length of string characters.
文档解释ORA-13619:Theprocedureargumentstringisgreaterthanthemaximumallowablelengthofstringcharacters.Cause:Theuserattemptedtopassacharacterargumentthatistoolong.Act...
IT技术学习
·
2023-07-27
string
ORA-13619
The
procedure
argument
ORA-08457: syntax error in SEPARATE CHARACTER option of SIGN clause
文档解释ORA-08457:syntaxerrorinSEPARATECHARACTERoptionofSIGNclauseCause:AsyntaxerrorwasfoundintheSEPARATECHARACTERoptionoftheSIGNclauseinthemaskoptionsparameterpass...
IT技术学习
·
2023-07-27
ORA-08457
syntax
error
in
SEPARATE
ORA-19045: character set id specified for XMLSerialize not valid
文档解释ORA-19045:charactersetidspecifiedforXMLSerializenotvalidCause:AnXMLSerializefunctionwascalledwithaninvalidvalueforthecaractersetid.Action:Modifythequerysoth...
IT技术学习
·
2023-07-27
ORA-19045
character
set
id
specified
ORA-30954: char string is invalid in string
文档解释ORA-30954:charstringisinvalidinstringCause:AninvalidXMLcharacterwasfound.Action:UseonlycharactersallowedbytheXMLspecification.ORA-30954错误:错误说明:ORA-30954的引发表...
IT技术学习
·
2023-07-26
string
ORA-30954
char
is
invalid
ORA-12740: Express Instant Client: unsupported server national character set string
文档解释ORA-12740:ExpressInstantClient:unsupportedservernationalcharactersetstringCause:OnlyUTF8andAL16UTF16areallowedtobeusedasthenationalcharacterset.InstantClien...
IT技术学习
·
2023-07-26
ORA-12740
Express
Instant
Client
unsupported
ORA-12703: this character set conversion is not supported
文档解释ORA-12703:thischaractersetconversionisnotsupportedCause:TherequestedconversionbetweentwocharactersetsintheCONVERTfunctionisnotimplementedAction:NoneORA-1270...
IT技术学习
·
2023-07-26
ORA-12703
this
character
set
conversion
ORA-24507: invalid combination of character set ids
文档解释ORA-24507:invalidcombinationofcharactersetidsCause:AttemptstosetonecharactersetidaszeroAction:Setbothcharsetandncharsetaszeroornon-zeroinOCIEnvNlsCreate()官方...
IT技术学习
·
2023-07-26
ORA-24507
invalid
combination
of
character
ORA-12735: Instant Client Light: unsupported client character set string
文档解释ORA-12735:InstantClientLight:unsupportedclientcharactersetstringCause:Thecharactersetspecifiedisnotallowedforthisoperationorisinvalid.InstantClientLighthaso...
IT技术学习
·
2023-07-26
ORA-12735
Instant
Client
Light
unsupported
ORA-12716: Cannot ALTER DATABASE CHARACTER SET when CLOB data exists
文档解释ORA-12716:CannotALTERDATABASECHARACTERSETwhenCLOBdataexistsCause:CLOBdatachangesrepresentationtoUnicodewhenconvertingtoamultibytecharactersetandmustbemigrat...
IT技术学习
·
2023-07-26
ORA-12716
Cannot
ALTER
DATABASE
CHARACTER
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