xt主题的文章列表，还有xt的技术要点_第1页

A JSONObject text must begin with { at 1 [character 2 line 1]

今天调用一个接口，返回的是json数据，但是拿到数据进行转换的报错，JSONObjectresultJson=newJSONObject(resuStr);报错信息是：Exceptioninthread"main"org.json.JSONException:AJSONObjecttextmustb...

开发笔记 ·2024-07-10

php实现txt下载文件下载代码

{//echo"当前目录中，文件".$file."存在";header("Content-Disposition:attachment;filename=".$time.".txt");//告诉浏览器通过附件形式来处理文件header('Content-Length:'.filesize($file));//下载文件大...

开发笔记 ·2024-06-21

CSS3 text-shadow 属性

基本文字阴影（text-shadow）：h1{text-shadow:2px2px#ff0000;}在此页底部有更多的例子。表格中的数字表示支持该属性的第一个浏览器版本号。属性 text-shadow4.010.03.54.09.6text-shad...

开发笔记 ·2023-12-03

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-24384: Application context size is not initialized

文档解释ORA-24384:ApplicationcontextsizeisnotinitializedCause:Thesizeoftheapplicationcontextmustbeinitializedbeforepopulatingeachcontextelement.Action:IssueOCIAttrS...

IT技术学习 ·2023-07-28

ORA-28262: global_context_pool_size has invalid value.

文档解释ORA-28262:global_context_pool_sizehasinvalidvalue.Cause:Parameterglobal_context_pool_sizehasavaluelessthantheminimumrequiredvalue(10K).Action:Pleasespecifya...

IT技术学习 ·2023-07-28

ORA-25146: EXTENT MANAGEMENT option already specified

文档解释ORA-25146:EXTENTMANAGEMENToptionalreadyspecifiedCause:InCREATETABLESPACE,theEXTENTMANAGEMENToptionwasspecifiedmorethanonce.Action:RemoveallbutoneoftheEXTENT...

IT技术学习 ·2023-07-28

ORA-25140: string space policy cannot be specified for the string extent management

文档解释ORA-25140:stringspacepolicycannotbespecifiedforthestringextentmanagementCause:Aninvalidoptionappears.Action:MakesurethatforLOCALextentmanagementUNIFORMorAUT...

IT技术学习 ·2023-07-28

ORA-39294: Cannot alter indextype of domain index.

文档解释ORA-39294:Cannotalterindextypeofdomainindex.Cause:DBMS_METADATA_DIFFwascomparingtwobitmapdomainindexeswithdifferentindextypes.ThereisnoSQLALTERstatementtoal...

IT技术学习 ·2023-07-28

ORA-30576: ConText Option dictionary loading error

文档解释ORA-30576:ConTextOptiondictionaryloadingerrorCause:ConTextdictionarytablesmaybecorruptedAction:notausererrorORA-30576这个错误是指，创建ConText选项字典时发生错误。官方解释常见案例一般处理方...

IT技术学习 ·2023-07-28

ORA-22601: pickler TDS context [string] is not initialized

文档解释ORA-22601:picklerTDScontext[string]isnotinitializedCause:AttempttousethepicklerTDScontextwithoutinitializingit.Action:UseOCIPicklerTdsCtxInittoinitializethe...

IT技术学习 ·2023-07-28

ORA-29842: option not supported with the version string of the indextype interface

文档解释ORA-29842:optionnotsupportedwiththeversionstringoftheindextypeinterfaceCause:Userspecifiedanoptionwhichisnotsupportedwiththeversionoftheindextypeinterfacepr...

IT技术学习 ·2023-07-28

ORA-29825: invalid name for indextype

文档解释ORA-29825:invalidnameforindextypeCause:IndextypenameorIndextypeschemanamehasinvalidcharacters.Action:Verifythatthenamehasvalidcharactersanditisnotareservedw...

IT技术学习 ·2023-07-28

ORA-29832: cannot drop or replace an indextype with dependent indexes

文档解释ORA-29832:cannotdroporreplaceanindextypewithdependentindexesCause:Oneormoreindexesaredependentupontheindextype.Action:Dropalltheindexeswhicharedependentupon...

IT技术学习 ·2023-07-28

ORA-14701: partition-extended name or bind variable must be used for DMLs on tables partitioned by the System method

文档解释ORA-14701:partition-extendednameorbindvariablemustbeusedforDMLsontablespartitionedbytheSystemmethodCause:Userattemptednottousepartition-extendedsyntaxforata...

IT技术学习 ·2023-07-28