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表损坏提示is marked as crashed and should be repaired处理方法

表损坏提示ismarkedascrashedandshouldberepaired处理方法这个数据表损坏的提示通常是非正常关机或者硬盘占满后MySQL无法正常运行造成的。损坏的是*.MYI文件，该文件是用来存放数据表的索引。MySQL自带了专门用于数据表检查和修复的工具，myisamchk。到达...

开发笔记 ·2024-10-09

ubuntu22.04安装 Fcitx5输入法，并解决 chrome启用wayland后无法输入中文问题。

一。chrome启用wayland:地址栏输入：chrome://flags/，搜索PreferredOzoneplatform，把PreferredOzoneplatform，设置为wayland.二。安装Fcitx5输入法.sudoapt-getinstallfcitx5fcitx5-frontend-gtk4fc...

开发笔记 ·2024-10-01

mongo5报错： WARNING: MongoDB 5.0+ requires a CPU with AVX support, and your current system does not appear to have that!

错误提示WARNING:MongoDB5.0+requiresaCPUwithAVXsupport,andyourcurrentsystemdoesnotappeartohavethat!原因mongodb5需要AVX的cpu指定集，当前的cpu太旧或者没有开启.解决办法降低mongodb的版本（使用4.x的版的mon...

开发笔记 ·2024-07-09

android是如何识别JEPG文件的

判断前面3个字节是什么，如果是FFD8FF开始，就认为它是JEPG图片。注意android不是根据后缀名来判断是什么文件的//SkImageDecoder_libjpeg.cpp(externalskiasrcimages)staticboolis_jpeg(SkStream*stream){//需要匹配的字节stat...

开发笔记 ·2024-07-01

PHP使用scandir()列出当前所有文件夹和各类文件

一般的CMS通过查看文件夹结构基本可以查看出来某些重要文件PHP代码以下是查看当前文件夹下<?php$files = scandir('.'); foreach ($files as $file) {&n...

开发笔记 ·2024-06-15

几个好用的Android Studio插件

类似于Sublime或Xcode，此插件在您的编辑器中嵌入了一个代码迷你地图。滚动条也会变得稍大一些。CodeGlance预览了文件的代码模式，让您快速导航到所需的部分。对于程序员来说，嵌套的括号和圆括号可能是一个麻烦，特别是当某些括号丢失时。它们在代码审查中可能会让人真正头疼。此插件为圆括号、方括号和花括号添加了可爱...

开发笔记 ·2024-05-03

使用 Git 同步时出现gnutls_handshake() failed: Error in the pull function

fatal:unabletoaccess'https://android.googlesource.com/platform/prebuilts/qemu-kernel/':gnutls_handshake()failed:Errorinthepullfunction.fatal:unabletoacc...

开发笔记 ·2024-01-10

available: expected at least 1 bean which qualifies as autowire candidate

available:expectedatleast1beanwhichqualifiesasautowirecandidate这个错误我也是找了半天,最后排查的时候发现是自己的实现类写错了,所以注入不进去.出现这个错误一般有四个方向排查查看接口实现类是否加入注解，如service、repository等查看spring...

开发笔记 ·2023-10-20

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-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-31181: PL/SQL DOM handle accesses node that is no longer available

文档解释ORA-31181:PL/SQLDOMhandleaccessesnodethatisnolongeravailableCause:Thespecifiedpl/sqlhandleisreferencinganodeinaDOMDocumentthatisnolongeravailable.Action:Ens...

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-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