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解决:setState() called after dispose() 内存泄漏问题
一、问题场景 网络请求成功前退出了页面,该 State 被从对象树卸载掉,而这时回调了网络请求的方法,方法中带有 setState 的调用,也就导致了该问题。 二、问题原因 State 对象被从对象数卸载释放之后再次调用 setState 就会报 setState() called after di ...
分类:其他好文   时间:2020-11-23 12:48:08    阅读次数:29
igel_estimator
Elyra is a set of AI-centric extensions to JupyterLab Notebooks. Elyra currently includes: AI Pipelines visual editor Ability to run a notebook as a b ...
分类:其他好文   时间:2020-11-02 09:55:00    阅读次数:19
CopyOnWriteArrayList 使用入门及源码详解
CopyOnWriteArrayList官方定义CopyOnWriteArrayList是ArrayList的线程安全变体,其中通过创建底层数组的新副本来实现所有可变操作(添加,设置等)。这通常成本太高,但是当遍历操作大大超过突变时,它可能比替代方法更有效,并且当您不能或不想同步遍历但需要排除并发线程之间的干扰时非常有用。“快照”样式迭代器方法在创建迭代器时使用对数组状态的引用。这个数组在迭代器的
分类:其他好文   时间:2020-11-01 11:03:24    阅读次数:17
Centos7 疯牛病 解决方案
Existing lock /var/run/yum.pid: another copy is running as pid 19342. Another app is currently holding the yum lock; waiting for it to exit... The oth ...
分类:其他好文   时间:2020-10-20 16:35:38    阅读次数:30
MISCONF Redis is configured to save RDB snapshots, but is currently not able to persist on disk. Commands that may modify the data set are disabled. Please check Redis logs for details about the error
MISCONF Redis is configured to save RDB snapshots, but is currently not able to persist on disk. Commands that may modify the data set are disabled. P ...
分类:数据库   时间:2020-10-20 16:33:15    阅读次数:35
Redis之MISCONF Redis is configured to save RDB snapshots, but is currently not able to persist………………
Redis问题 MISCONF Redis is configured to save RDB snapshots, but is currently not able to persist on disk. Commands that may modify the data set are dis ...
分类:数据库   时间:2020-10-13 17:08:07    阅读次数:33
利用VLMCSD部署本地KMS服务器
项目名称:VLMCSD 项目简介:KMS Emulator in C (Currently runs on Linux, Mac OS, iOS, Windows with or without Cygwin) 项目主页:https://github.com/Wind4/vlmcsd 软件下载:ht ...
分类:其他好文   时间:2020-09-17 22:18:52    阅读次数:40
ES创建index报错cluster currently has 4/2 maximum shard
原文链接IT思维前提调试业务服务期间,服务日志需要写入es集群,发现数据写入报错。报错内容如下ElasticsearchDeprecationWarning:Inafuturemajorversion,thisrequestwillfailbecausethisactionwouldadd[10]totalshards,butthisclustercurrentlyhas[20242]/[2000
分类:其他好文   时间:2020-09-17 19:14:47    阅读次数:48
Navicat监听程序当前无法识别
用navicat连接oracle的时候,程序报错,提示:“ORA-12514, TNS:listener does not currently know of service requested in connect descriptor”,经过检查以后,是因为service的名字写错了。解决办法: ...
分类:其他好文   时间:2020-09-04 17:29:01    阅读次数:75
Python命名空间和作用域
Python命名空间和作用域 总结 emmm,这一块讲了2个内容,一个是命名空间,一个是作用域。一个一个说吧 命名空间 A namespace is a mapping from names to objects.Most namespaces are currently implemented a ...
分类:编程语言   时间:2020-08-03 13:29:08    阅读次数:69
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