CH主题的文章列表，还有CH的技术要点_第3页

Reachability(判断网络是否连接)

类似于一个网络状况的探针。　　[[NSNotificationCenterdefaultCenter]addObserver:selfselector:@selector(reachabilityChanged:)name:kReachabilityChangedNotificationobject:nil];&nbs...

开发笔记 ·2023-10-12

torch.device()

torch.device代表将torch.Tensor分配到的设备的对象，有cpu和cuda两种，这里的cuda就是gpu，至于为什么不直接用gpu与cpu对应，是因为gpu的编程接口采用的是cudaprint(torch.cuda.is_available())#cuda是否可用；print(torch.cuda.d...

开发笔记 ·2023-08-15

ChatGPT Signup is currently unavailable错误提示解决方法

问题介绍：1、账号注册阶段出现的提示：Signupiscurrentlyunavailable,pleasetryagainlater2、翻译过来错误原因是：注册当前不可用，请稍后再试，是一个比较常见的报错内容；解决方法：使用QQ邮箱注册。1、出现这一问题最大的原因是因为邮箱导致的；2、网易以及163邮箱都...

开发笔记 ·2023-08-15

PHP 开启 Opcache

开发笔记 ·2023-08-12

ORA-55605: Incorrect Flashback Archive is specified

文档解释ORA-55605:IncorrectFlashbackArchiveisspecifiedCause:AnattemptwasmadetooperateonaFlashbackArchivethatdoesnotexist,ortocreateaFlashbackArchivethatalreadyexist...

IT技术学习 ·2023-07-28

ORA-38810: Implementation restriction: cannot drop edition that has a parent and a child

文档解释ORA-38810:Implementationrestriction:cannotdropeditionthathasaparentandachildCause:Thiserroroccurredbecauseanattemptwasmadetodropaneditionthathasaparentandac...

IT技术学习 ·2023-07-28

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-41666: XML schema validation failed when validating against string

文档解释ORA-41666:XMLschemavalidationfailedwhenvalidatingagainststringCause:TheuserinputhasundefinedelementorattributeaccordingtotheprovidedXMLschemadefinition.Acti...

IT技术学习 ·2023-07-28

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

ORA-38808: edition has a usable parent and a usable child

文档解释ORA-38808:editionhasausableparentandausablechildCause:Anattemptwasmadetomakeaneditionwithausableparentandausablechildeditionunusable.Action:Aneditionwithaus...

IT技术学习 ·2023-07-28

ORA-26906: No change handler exists.

文档解释ORA-26906:Nochangehandlerexists.Cause:Therewasnochangehandlerforthespecifiedapply,operation,sourcetable,changetable,andcapturevalues.Action:QueryDBA_APPLY_C...

IT技术学习 ·2023-07-28

ORA-26877: must reattach after an OCIXStreamOut call was interrupted

文档解释ORA-26877:mustreattachafteranOCIXStreamOutcallwasinterruptedCause:AnattemptwasmadetoexecuteanotherOCIXStreamOutAPIwhenanearliercallwasinterruptedbecausetheX...

IT技术学习 ·2023-07-28

ORA-55628: Flashback Archive supports Oracle 11g or higher

文档解释ORA-55628:FlashbackArchivesupportsOracle11gorhigherCause:AnattemptwasmadetocreatedaFlashbackArchivewithincorrectcompatiblemodeorwithoutautoundomanagement.Ac...

IT技术学习 ·2023-07-28

ORA-29705: ACTIVE_INSTANCE_COUNT is string which is incompatible with the value in other instances

文档解释ORA-29705:ACTIVE_INSTANCE_COUNTisstringwhichisincompatiblewiththevalueinotherinstancesCause:ThevalueoftheACTIVE_INSTANCE_COUNTparametermustbethesameinallOra...

IT技术学习 ·2023-07-28

ORA-31158: schema “string” currently being referenced

文档解释ORA-31158:schema“string”currentlybeingreferencedCause:ThespecifiedschemaURLiscurrentlybeingreferencedbythesamesession.ThiscouldhappenbecauseofPL...

IT技术学习 ·2023-07-28