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What is click event?
先不去讨论它语法、原理,先描述一下它的功能性, Click event想要实现的效果是? 开发者在UI界面上放置一个按钮, 并且开发者写了一段功能函数, 当有人点击了这个UI按钮,就会自动去执行这段功能函数。 这就是点击按钮想要的效果。 点击事件的实现原理思考 常见的按钮点击事件的简要实现原理: / ......
myabtis事务synchronization is not active打印日志位置
经常见日志里的有 Creating a new SqlSession Registering transaction synchronization for SqlSession 或者 Creating a new SqlSession SqlSession was not registered f ......
[Compose] Callback is not suitable for Async programming
An example of callback implemnetation for handling async flow: function fakeAjax(url, cb) { var fake_responses = { file1: "The first text", file2: "Th ......
ORACLE统计信息作业Stop job called because associated window was closed
一个Oracle 19c实例的告警日志出现告警, 具体的告警信息,如下所示: xxxxx(3):Closing scheduler windowxxxxx(3):Closing Resource Manager plan via scheduler windowxxxxx(3):Clearing R ......
【转载】How to solve the problem that getting timestamp from Mysql database is 8 hours earlier than the normal time
This article introduces the relevant knowledge of "how to solve the problem of obtaining timestamp from Mysql database 8 hours earlier than the normal ......
Javascript报错:Uncaught TypeError: $(...).slide is not a function
检查网站的时候,发现网页出现一个报错, Uncaught TypeError: $(...).slide is not a function 同时,平时没有问题的轮播图,也不轮播了。检查并解决步骤如下: 1.顺着错误提示点过去,发现就是slide函数无法运行。查看相关介绍,表示是jq文件进行了重复引 ......
: Only one usage of each socket address (protocol/network address/port) is normally permitted.
2023/10/16 19:07:45 tick2023/10/16 19:07:46 dial tcp 7.11.12.26:3309: connectex: Only one usage of each socket address (protocol/network address/port) ......
Attention Is All You Need
Attention Is All You Need 关键词:Self-Attention、Transformer 📜 研究主题 设计仅基于注意力机制的网络Transformer Transformer仍然采用Encoder-Decoder结构,但脱离了Seq2Seq结构,不采用RNN或CNN单元 ......
What Is a DPU?
一、Wikipedia介绍 A data processing unit (DPU) is a programmable computer processor that tightly integrates a general-purpose CPU with network interface h ......
https://stackoverflow.com/questions/23327578/what-is-rendersection-in-asp-net-mvc
What is @RenderSection in asp.net MVC - Stack Overflow What is the purpose of @RenderSection and how does it function? I understand what bundles do, b ......
RuntimeError: Attempting to deserialize object on CUDA device 1 but torch.cuda.device_count() is 1.
问题:服务器上多块卡,使用其中一张训练的模型,在本地预测的时候报错。 解决:在torch.load中加入map_location,指定一块卡 ......
【分布式】解决树莓派4B-64位更换清华源问题(GPG error:because the public key is not available)
【分布式】解决树莓派4B-64位更换清华源问题(GPG error:because the public key is not available) 别出BUG求求了 于 2022-04-30 16:15:38 发布 阅读量3.1k 收藏 18 点赞数 7分类专栏: 分布式 文章标签: debian ......
ORA-01502: index 'xxx' or partition of such index is in unusable state
SELECT 'alter index ' ||INDEX_NAME || ' REBUILD;' INDEX_NAME, INDEX_TYPE, TABLESPACE_NAME, TABLE_TYPE, STATUS FROM DBA_INDEXES WHERE STATUS = 'UNUSABL ......
xxx is not in the sudoers file. This incident will be reported
1、问题背景 在使用创建的用户访问超出用户权限的文件时,需要用到sudo命令,如1使用创建的用户编辑 /etc/hosts 文件,无法操作,详情如下: 原因:bigdata用户未在 /etc/sudoers 文件中做权限设置。 2、解决方案 在 /etc/sudoers 中做如下操作: # 1、查看 ......
「闲话随笔」 C++ namespace K8He-Math version -1.0.0 is officially released!
C++ namespace K8He-Math version -1.0.0 is officially released! 写着玩的,不清楚是否有实用价值,看个乐就行,别 D . 有 Bug 可以自己调( 怎么用感觉比较好看出来 . namespace MATH { namespace Type ......
Hadoop-Operation category READ is not supported in state standby 故障解决
在查询hdfs时或者执行程序向hdfs写入数据时遇到报错:Operation category READ is not supported in state standby 意思是:该主机状态为待机,不支持操作类别READ. 你会发现最基本的hdfs命令都不能执行,例如:hadoop fs -ls ......
Element type is invalid -- expected a string (for built-in components) or a class/function (for composite components) but got undefined
原因就是组件引入错误,应该是 import {BillReverse} form '../xx' 写成了 import Reverse from '../xx' 两个错误 1. 没写大括号 2. 组件名错误 如何从打包后的文件分析导出内容格式,待解决 ......
2023-10-13 (error) ERR Client sent AUTH, but no password is set ==》redis访问密码没有设置
当你尝试在redis终端输入auth xxx(auth是固定值,xxx是你的密码),然后终端报错: (error) ERR Client sent AUTH, but no password is set 意思:(错误)ERR客户端发送了AUTH,但未设置密码。 原因:你没有设置redis访问密码。 ......
'org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity' is deprecated
@EnableGlobalMethodSecurity(prePostEnabled = true) 已经被弃用了,最新的是:@EnableMethodSecurity。 file:[SecurityConfig.java] @Configuration @EnableWebSecurity add ......
Vue报错Syntax Error:TypeError: this.getOptions is not a function的解决方法~
前几天在vue运行项目过程中报错了,这个方法是 关于Vue报错Syntax Error:TypeError: this.getOptions is not a function的解决方法 (1)报错一 (2)报错二~ 1.1问题分析 首先,检查代码,并没有什么错误的地方;其次,涉及到这个问题,可能就 ......
安装NVIDA驱动时,出现your appear to running an x server;please exit x before installing .for further details 这个错误
安装NVIDA驱动时,出现your appear to running an x server;please exit x before installing .for further details 这个错误 主要是由于安装远程控制lightgm 导致X-server启动。 解决办法: sudo ......
微信支付 Verify the signature and get the Wechatpay certificate corresponding to serialnumber[X] is empt
1.先获取商户证书文件这块叫商户证书需要和下面的支付证书名字区分 在微信开放平台里面下载商户证书,用apiclient_cert.pem取获取'商户证书的序列号' 证书查看 2.需要下载一个jar,生成微信证书时候用Releases · wechatpay-apiv3/CertificateDown ......
It's likely that neither a Result Type nor a Result Map was specified.
It's likely that neither a Result Type nor a Result Map was specified. 很可能既没有指定结果类型也没有指定结果映射。 出现问题的代码: 本段代码功能是查询一张表的全部 点击查看代码 <mapper namespace="com.d ......
excel 导出 The maximum length of cell contents (text) is 32767 characters Excel单元格最大存储长度32767个字符,超长会报错,数据库中也有这个最大长度
excel 导出 The maximum length of cell contents (text) is 32767 characters 导出excel功能,报错。错误日志提示::The maximum length of cell contents (text) is 32767 chara ......
The database cluster initialisation failed but was not the same version as initdb的解决办法(postgresql)
问题:不论装哪个版本的postgresql,都报 The program "postgres" was found by ".../initdb.exe" but was not the same version as initdb. 和 The database cluster initialis ......
如何解决逻辑删除is_del与数据库唯一约束冲突
前言 不知道大家有没有遇到这么一种业务场景,在业务中有个唯一约束A,当该业务进行逻辑删除后(设置标记为删除状态is_del = 1),再往唯一约束列插入相同的值时,此时会报Duplicate entry,但在业务上,该值时必须要插入的。今天我们就来聊聊处理这种业务场景的几种思路 解决思路 方案一:不 ......
java.lang.IllegalArgumentException: Expected MultipartHttpServletRequest: is a MultipartResolver configured?
原文链接:https://www.longkui.site/error/java-lang-illegalargumentexception-expected-multiparthttpservletrequest-is-a-multipartresolver-configured/4837/ 0. ......
TypeError: 'dict' object is not callable 错误
做实例的时候报错TypeError: 'dict' object is not callable 感觉应该是因为我将实例都放在了一个程序中,在4.py上面有太多book了,在上面已经调用了 所以我放进另一个程序就可以实现了 ......
What is 1e-9?
What is 1e-9? def compare_floats(a, b, epsilon=1e-9): //判断浮点数是否相等, 实际是判断两数相差是否大于那个极微小的数 return abs(a - b) < epsilon result = compare_floats(0.1 + 0.2, ......