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java - How to execute a @Scheduled job in a thread safe manner in SpringBoot?
I have a service class that adds elements to a set and there is a scheduled job method that executes after every 2 ... .out.println(event); } eventService.getEventSet().clear(); }...
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Internationalization in Spring boot MVC project
application.properties spring.messages.basename=i18n/messages /home/michael/IdeaProjects/adsmanager/application/src/main/resources/i18n/ ... result. How can I solve this problem?...
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Can you pass a variable to the import function of python?
i create a python file via the "with open()" method and now i would like to import the file but the filename ... in this example it should import "Test.py". Any suggestions?...
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ubuntu - Trying to cross-build and package project with qemu and get a "Imported target "PkgConfig::gst" includes non-existent path" error
I have a project that I'm trying to build on an arm64 architecture. I'm on Ubuntu 18.04, so I use qemu to cross- ... , but not when used in the CMakeLists. I don't understand why....
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java - Setting IBM MQ custom property in JMS doesn't work
Tried setting an IBM MQ custom property in JMS while sending messages. It doesn't work. I'm looking for an ... at com.ibm.mq.MQMessage.getStringProperty(MQMessage.java:6925) ......
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请问 chrome 有套件/外挂可以将 request 转成 C# 代码吗?
目前知道可以转成 js,powershell..等 但是不支援 C#...
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ES语法更新是因为浏览器更新了吗?
1.浏览器不更新的话,是不是ES语法也不会变。否则新语法中的新关键字如何会被浏览器解析? 2.框架类的更新是不是跟语法的更新是一个道理? 在下是小白,在学习计算机方面的知识,希望大哥哥们能解答下我的困惑。...
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docker-compose使用volumes挂载目录的权限问题?
nginx镜像,使用docker-compose的volumes挂载的web目录 主机CentOS 7.6,已经关了SELinux,web目录也设置了777权限 但是访问时,nginx容器内一直报错 open() "/application/demo ... docker docker-compose在虚拟机中试过都正常 但是在线上环境就会这样的错误 ...
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传统IT架构下面临的挑战?
1.IT系统日趋庞杂且难以维护 在制造企业,随着业务规模的不断扩张,用于支撑业务运行的IT系统和基础设施也日趋庞杂,从PLM PDM等研发管理系统到ERP CRM OA等业务管理系统,再到MES APS和DCS等工业层的生产 ... 小程序进来看看),专业助上云服务,建议搜搜小程序看看我们,或者直接VX:Liyunshuai20联系,当交个朋友交流一下经验 ...
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html - Why doesn't my first-child selector work on this nested table?
tr:first-child:hover .td-header-title { background: orange; } <tr> <td class="td-header-title">Header title 1 <tr> <td class="td-header-title">Header title 2</td> </tr> </td> </tr>...
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php - Is there a way to get a nested Eloquent model based on ids from another table?
Hey there stackoverflow I am currently building a course application as part of my laravel project. My problem lies in ... () { return $this->belongsTo(CourseEpisode::class); }...
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Django View层公共类调用的问题?
目标: 我依据项目规范封装了一个HTTP返回类,在每个函数返回时,调用返回类response返回相应的内容 问题: Django每次请求并不会重新实例化我的返回类,这导致多次请求有时会返回 ... " #code.... return response.success("登录成功") else: return response.fail("不支持的方法")...
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el-time-picker默认时间23:00-06:00后时间选择错误
使用<el-time-picker is-range>组件,期望是显示的时间选择是23:00 - 06:00,但是最后出来的效果是在第一个时间选择框那里才能选择6点之前的选择,而且选择了之后就变成了05:00 - 23:00,我想问一下有办法解决吗?...
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Java 泛型能 extends 多个吗?语法对不对?
我有个类希望泛型 extends 两个或多个类,百度查到 <T extends TestA & TestB> 这种 & 的用法,如: https://blog.csdn.net/qq_4368... https://blog.csdn.net/caolaos... 照这 ... 下,到底有没有这个语法?如果有,在哪个版本加入的,能提供一下官方的文档就更好了 ...
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java css 选择器的问题
网站是 https://gongshang.mingluji.com/beijing/name/三眼科技(北京)有限公司 String PostCode = DoucumentIns.selectFirst("li:first-child span[class='field-label' ... 怎么是错的? 然后这个 注册资金 这个字段的css 如何获取?...
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javascript - object` ("[object Response]") cannot be serialized as JSON?
I am trying to consume my api through code I am getting this error object` ("[object Response]") cannot ... be serialized as JSON. Please only return JSON serializable data types...
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Jan 25, 2021
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如下js,“在为您转接人工服务,请稍候...",为什么没有自动消失啊,而是在屏幕显示出来了?
<!DOCTYPE html> <html> <head> <script src="lib/jquery-3.4.1.min.js" ></script> <script src="lib/zepto.js" ></script> </ ... (function() { $(this).remove(); }, 2000); }) </script>...
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Jan 25, 2021
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谁有现成的前端搭建好的项目?
该项目包含env.development,开发模式,生产模式切换。 如果更完善,包含axios,单元测试等就更好了。 求助大佬~谢谢!...
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Jan 25, 2021
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vue中我定义的环境变量打包后为什么获取不到了
这是我定义的四个环境文件, 在每个文件里定义了一个新的环 ... 文本(请勿用截图) ### 你期待的结果是什么?实际看到的错误信息又是什么?...
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.net - Change dynamically component of View
I am trying make a ticket system with asp core, and the point where I get stuck is; i need to change a part of view when click a link in view. how can i do that?...
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Jan 24, 2021
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PHP message: PHP Parse error: syntax error in php://input ?
FastCGI sent in stderr: "PHP message: PHP Warning: Unexpected character in input: '' (ASCII=25) sta te=0 in php://input on line 4 PHP ... 刚开始使用php7.0.16版本,升级到php7.0.33版本,问题依然存在...
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javascript - How can you access a image attribute inside a div? JQuery
Hey need to solve a very quick issue. I have the following script: jQuery(function($){ $(window).scroll(function (){ if ($ ... .png" alt="Starford" width="120" height="35"></div>...
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Jan 24, 2021
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python - Most efficient method for updating multiple columns in a single dataframe row
line_profiler is showing me the surprising (to me) result that updating two columns in a single row is executed faster as ... updating one column at a time within a row. Thanks!...
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使用正则校验打包文件es6语法问题
部署代码的时候,构建时可能有些插件包未进行babel处理,容易造成线上兼容事故 所以需对构建的js文件进行es6语法检查 我认为一般只需要检测const|let|=>即可 一开始想的很简单就针对这三 ... */ /** * 需要忽略的情况 * var $bullet = bullets.eq(current); * var _let|$let; */...
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请问这个mysql语句要怎么写?
不能使用in 的情况下,要怎么把t1对应t2没有0的数据找出来? 比如这个图 结果是 8、9 H ,因为H没有为0的t2。...
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Sync two directories (update target dir from source dir) in C# / .NET
I want to sync two directories, such that after the operation the target dir is an exact copy of the source dir. New source ... do what I want, but from its methods I doubt that....
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macos - Unable to find projects on edgeSDK Oauth Tool
I installed mimik edgeservice and edgeSDK OAuth Tool. The edgeservice is up and learning. From the developer console ... any projects, please connect from mimik developer console....
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php - mysqli_fetch_assoc() expects parameter / Call to a member function bind_param() errors. How to get the actual mysql error and fix it?
In my local/development environment, the MySQLi query is performing OK. However, when I upload it on my web host ... the query via control panel phpMyAdmin and the result is OK....
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