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Reactive Programming

ReactiveProgramming 使得处理异步数据流和事件变得更加简洁。常用的库和框架包括： - RxJS:JavaScript的响应式扩展库。- Svelte:一个新的前端框架，支持声明式编程和更简洁的语法。...

开发笔记 ·2024-08-31

Git冲突：commit your changes or stash them before you can merge. 解决办法

gitstashgitpullgitstashpop解决git冲突的方法，遇到的情况，在服务器上修改代码没有提交到远程分支，在本地修改代码后，提交远程分支，在服务器上pull报错...

开发笔记 ·2024-08-31

git 本地对比2次commit直接的差异

我们想查看两次提交之间的差异。可以用如下命令：xx1，xx2是commithashgitdiffhash1hash2--stat这样显示的：songchong@srv-artek-pad:~/mytest/songchong$gitdiffxx1xx2--stattest|4++--test2|3++-2filesch...

开发笔记 ·2024-08-29

git不能执行commit命令

Git不能执行commit命令的可能原因有多种，以下是一些常见的问题和解决方法：1.没有进行git初始化：在执行gitcommit命令前，需要先确保当前目录下已经使用gitinit命令进行了初始化。如果没有进行初始化，可以使用gitinit命令初始化一个新的Git仓库。2.没有添加要提交的文件：在执行gitcommit...

开发笔记 ·2024-07-10

docker redis警告处理 WARNING Memory overcommit must be enabled; vm.overcommit_memory = 1

提示信息WARNINGMemoryovercommitmustbeenabled!Withoutit,abackgroundsaveorreplicationmayfailunderlowmemorycondition.Beingdisabled,itcanalsocausefailureswithoutlowmemo...

开发笔记 ·2024-07-09

ORA-48502: Invalid Command Line – Missing Required Elements

文档解释ORA-48502:InvalidCommandLine–MissingRequiredElementsCause:Missingrequiredcommandlinearguments.Action:Reviewthehelpmessageandsupplytherequiredarguments...

IT技术学习 ·2023-07-28

ORA-47346: Rule set string is used by one or more command rules.

文档解释ORA-47346:Rulesetstringisusedbyoneormorecommandrules.Cause:Thespecifiedrulesetwasusedbyexistingcommandrule(s).Action:Removethedependentcommandrulesandretryt...

IT技术学习 ·2023-07-28

ORA-32415: fast refreshable remote materialized view on a detail table with commit SCN-based materialized view log is not supported

文档解释ORA-32415:fastrefreshableremotematerializedviewonadetailtablewithcommitSCN-basedmaterializedviewlogisnotsupportedCause:Thematerializedviewcreationfailedbeca...

IT技术学习 ·2023-07-28

ORA-48192: OS command to move a file failed

文档解释ORA-48192:OScommandtomoveafilefailedCause:TheOScommandtomoveafilefailed.Action:Checktheerrornumberassociatedwiththemovefile.ORA-48192:OScommandtomoveafilefa...

IT技术学习 ·2023-07-28

ORA-28151: more than one user name specified for command

文档解释ORA-28151:morethanoneusernamespecifiedforcommandCause:MorethanoneusernamewasspecifiedforanALTERUSERcommand.Action:Trythecommandagainwithonlyoneusername.ORA-...

IT技术学习 ·2023-07-28

ORA-29543: Java command string not yet implemented

文档解释ORA-29543:JavacommandstringnotyetimplementedCause:AnattemptwasmadetouseaJavacommandthatisnotyetimplemented.Action:Donotusethecommand.ORA-29543是Oracle数据库中的错误...

IT技术学习 ·2023-07-28

ORA-38724: Invalid option to the FLASHBACK DATABASE command.

文档解释ORA-38724:InvalidoptiontotheFLASHBACKDATABASEcommand.Cause:AninvalidoptionwasspecifiedtotheFLASHBACKDATABASEcommand.Validoptionsare:SCNorTIMESTAMP.Action:Co...

IT技术学习 ·2023-07-28

ORA-48407: DESCRIBE and QUERY commands need at least relation name argument

文档解释ORA-48407:DESCRIBEandQUERYcommandsneedatleastrelationnameargumentCause:ThisisnorelationnameisinputasargumentAction:Needuserstoinputatleasttherelationname这是一...

IT技术学习 ·2023-07-28

ORA-64106: Incorrect use of comma(,) punctuation in COLUMN definitions.

文档解释ORA-64106:Incorrectuseofcomma(,)punctuationinCOLUMNdefinitions.Cause:AnattemptwasmadetodefineCOLUMNSwithincorrectuseofcommapunctuation.Action:Properlysepara...

IT技术学习 ·2023-07-28

ORA-15083: failed to communicate with ASMB background process

文档解释ORA-15083:failedtocommunicatewithASMBbackgroundprocessCause:AdatabaseinstancefailedtocommunicatewithitsASMBbackgroundprocesswhenattemptingtoaccessanASMfile....

IT技术学习 ·2023-07-28