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#CL
如何反编译class文件
要反编译一个class文件,需要使用Java反编译工具。以下是一些常用的Java反编译工具:1.JD-GUI:JD-GUI是一个免费的Java反编译工具,可以将class文件转换为Java源代码。它可以直接从官方网站上下载并安装。2.Procyon:Procyon是另一个免费的Java反编译工具,可以将class文件转...
开发笔记
·
2024-01-29
如何
编译
class
文件
Oracle数据库:ORA-01017: invalid username/password; logon denied
报错:ORA-01017:invalidusername/password;logondenied错误说明:用户名和密码无效,登录被拒绝。1<connectionStrings>2 <!--多个数据库,随机访问-->3 <addname="CamnprData...
开发笔记
·
2023-12-02
Oracle
数据库
ORA-01017
invalid
username
Oracle数据库:如何使用Oracle ODP.NET 11g的.NET程序发布方法
ODP.NET11g是Oracle发布的供.NET程序访问Oracle数据库的ADO.NET组件,比微软自带的Oracle组件性能好,更可以访问UDT(UserDefinedType)类型,Procedure,REF等等高级Oracle特性。 .NET1.1的客户端需要的发布文件如下: Oracle.DataAcc...
开发笔记
·
2023-12-01
Oracle
数据库
如何
使用
ODP.NET
PHP包含文件函数include、include_once、require、require_once区别和总结
PHP中的include()、require()语句包含并运行指定文件。这两结构在包含文件上完全一样,唯一的区别是对于错误的处理。require()语句在遇到包含文件不存在,或是出错的时候,就停止即行,并报错。include()则继续即行。例如:hello.php不存在时:include(‘hello.ph...
开发笔记
·
2023-09-07
include
once
require
PHP
包含
Oracle SqlLoader使用
最近在用sqlloader导入数据,500多M,开始要用40分钟,后来做到了20min,再后来只用不到2分钟。所用时间的不断减少,得益于很多网友的总结。数据文件为csv格式,默认打开软件为:excel,通过excel打开的csv文件日期和数字格式可能会发生变化,在写controlfile时要注意了,看原始格式请用文本编...
开发笔记
·
2023-08-10
Oracle
SqlLoader
使用
ORA-60025: Event for temp segment cleanup used for temp lobs
文档解释ORA-60025:EventfortempsegmentcleanupusedfortemplobsCause:TempLOBsegmentsusedfortemporaryLOBsaredeletedonlyonsessionexitwhichmayleadtolargeamountsofmemorybei...
IT技术学习
·
2023-07-28
for
temp
ORA-60025
Event
segment
ORA-32043: recursive WITH clause needs an initialization branch
文档解释ORA-32043:recursiveWITHclauseneedsaninitializationbranchCause:AWITHclausequeryreferredtoitself(recursive)butdidnothaveabranchinaUNIONALLwithnoreferencestoit...
IT技术学习
·
2023-07-28
ORA-32043
recursive
WITH
clause
needs
ORA-32039: recursive WITH clause must have column alias list
文档解释ORA-32039:recursiveWITHclausemusthavecolumnaliaslistCause:AWITHclausequeryreferredtoitself(recursive)butdidnothaveacolumnaliaslistspecifiedforit.Action:Adda...
IT技术学习
·
2023-07-28
ORA-32039
recursive
WITH
clause
must
ORA-54660: CLIP_TIN: invalid Point Cloud; extent is empty
文档解释ORA-54660:CLIP_TIN:invalidPointCloud;extentisemptyCause:TheinputTINfortheCLIP_TINoperationwasinvalid.Action:SpecifyaTINthatwascreatedusingtheCREATE_TINopera...
IT技术学习
·
2023-07-28
ORA-54660
CLIP
TIN
invalid
Point
ORA-30051: VERSIONS clause not allowed here
文档解释ORA-30051:VERSIONSclausenotallowedhereCause:AVERSIONSclausewasspecifiedwhenitwasnotallowed.Action:DonotusetheVERSIONSclauseORA-30051:VERSIONSclausenotallowe...
IT技术学习
·
2023-07-28
ORA-30051
VERSIONS
clause
not
allowed
ORA-41633: specified rule class configuration not supported: “string”
文档解释ORA-41633:specifiedruleclassconfigurationnotsupported:“string”Cause:Anattemptwasmadetouseanunsupportedconfigurationfortheruleclass.Action:Remove...
IT技术学习
·
2023-07-28
ORA-41633
specified
rule
class
configuration
ORA-29550: Java session state cleared
文档解释ORA-29550:JavasessionstateclearedCause:TheJavastateinthecurrentsessionbecameinconsistentandwascleared.Action:Noactionrequired.ORA-29550:Java会话状态已清除官方解释提示你在关...
IT技术学习
·
2023-07-28
ORA-29550
Java
session
state
cleared
ORA-32486: unsupported operation in recursive branch of recursive WITH clause
文档解释ORA-32486:unsupportedoperationinrecursivebranchofrecursiveWITHclauseCause:TherecursivecomponentoftheUNIONALLinarecursiveWITHclauseelementusedanoperationthat...
IT技术学习
·
2023-07-28
recursive
ORA-32486
unsupported
operation
in
ORA-29511: could not resolve Java class
文档解释ORA-29511:couldnotresolveJavaclassCause:ACREATEANDRESOLVENOFORCEJAVACLASScommandspecifieddefinitiondatathatcouldnotberesolved,orresolutionfailedforsomerefer...
IT技术学习
·
2023-07-28
ORA-29511
could
not
resolve
Java
ORA-28387: Could not acquire an enqueue for wallet operation in Oracle RAC
文档解释ORA-28387:CouldnotacquireanenqueueforwalletoperationinOracleRACCause:EnqueuetoblockTDEoperationsinOracleRACdatabasecouldnotbeobtained.Action:Retrythewalleto...
IT技术学习
·
2023-07-28
ORA-28387
Could
not
acquire
an
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