OStack Q&A-Knowledge Sharing Community

0 votes

489 views

1 answer

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(); }...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

681 views

1 answer

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?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

570 views

1 answer

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?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

584 views

1 answer

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....

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

828 views

1 answer

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) ......

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

979 views

1 answer

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#...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.2k views

1 answer

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。...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.3k views

1 answer

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 ...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.1k views

1 answer

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 ...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.4k views

1 answer

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>...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.3k views

1 answer

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); }...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.4k views

1 answer

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")...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.5k views

1 answer

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？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.8k views

1 answer

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 ...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.7k views

1 answer

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？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

2.0k views

1 answer

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...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.8k views

1 answer

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>...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.6k views

1 answer

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！...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.6k views

1 answer

vue中我定义的环境变量打包后为什么获取不到了

![](https://img-ask.csdnimg.cn/upload/1606285378279.png?x-oss-process=image/resize,m\_lfit,w\_300/format,png)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？...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.9k views

1 answer

.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?...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

2.1k views

1 answer

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...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.7k views

1 answer

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>...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.8k views

1 answer

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!...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.9k views

1 answer

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; */...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.8k views

1 answer

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。...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.9k views

1 answer

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....

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

2.0k views

1 answer

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....

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.7k views

1 answer

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....

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

Categories

Recent questions

Just Browsing Browsing

Most popular tags