Recent questions in Technique[技术]

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下面是我配置的css中，但是autoprefixer没有起效， css: { sourceMap: true, loaderOptions: { sass: { prependData: `@import "@/styles/variables. ... `postcss-loader`和`autoprefixer"请问我还应该怎么配置才可以使它生效 ...

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

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712 views

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JavaScript 多行字符串对齐

json格式数据如下: [{'name':'张三','pcs':'40','total':'3600'}, {'name':'李老五','pcs':'2','total':'400'}, {'name':'Jack','pcs':' ... 件李老五 2单 400件 Jack 121单 59800件王-ADU 21单 1130件想要达到的效果如下图...

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

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How to merge table cells in mediawiki

I'm trying to merge two cells of a table in mediawiki like so: Current table: hello world one col...

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

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1.2k views

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leetcode关于mysql中having报错

这是leetcode中刷到的题，但是论坛里问了一遍，这个问题一直没能解决，所以想请教一下为什么这里用having是错的题目如下：我的答案是这样的： select p ... and u.purchase_date<=p.end_date 报错信息： Unknown column 'purchase_date' in 'having clause'...

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

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956 views

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Java中Timer自动停止

问题描述业务需要程序每隔10秒对数据进行一次操作，我使用Timer定时器实现此功能这个功能在18年就已经上线了，但是昨天发现这个定时器在无人操作的情况下自己停止了求问问题出现的原因以及解决方案万分感 ... 行数据处理 } }; timer.schedule(task, 1 * (60 * 1000), period); 急需解决方案！万分感谢帮助！...

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

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873 views

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直接复制aspx页面出现各种错误？

比如有一个abc.aspx（包含.cs及designer.cs），我直接复制了这个文件，并粘贴在同目录下，然后重命名为abc1.aspx，并修改了aspx页面中的CodeBehind，Inherits和cs文件中的class名按理说不会出现问题，但实际开发过程中 ... 最终把文件删除，重新建文件，直接复制代码才解决感觉很是奇怪所以请教一下大家 ...

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

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vue怎样修改标题 <%= htmlWebpackPlugin.options.title %>

这么改报错 // vue.config.js module.exports = { configureWebpack: config => { config.devtool ='source-map' ... \_logs2020-05-28T06_54_26_317Z-debug.log Process finished with exit code 1...

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

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2.4k views

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javascript - How to handle breadcrumbs?

I am making a simple react/next js application where I am having totally three pages. -> index.js -> jobsearch.js -> ... breadcrumb needs to be like Home / Job Search / Job - Three...

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

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2.6k views

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node.js - Cannot connect socket.io with backend using react

I am newbie and starting learning socket.io. I created my backend with express-generator, I installed all required dependencies ... 404 10.490 ms - 1362 Logs in console frontend...

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

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16.6k views

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javascript - HTML onclick event doesn't work with parameter

When I click my button, which should make things visible and invisible, the whole website disappears. What I was trying to do ... " onclick="open(1)">More details</button> </div>...

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

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2.3k views

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同域名，不同端口，cookie被覆盖了，应该怎么设置

使用的是vue-cookies...

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

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2.4k views

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想要用webpack-dev-server打开一个服务器报错

问题描述在使用下面这行代码启动webpack-dev-server服务器的时候报了下面截图中的错误 node_modules/.bin/webpack-dev-server 目录结构报错信息如下大概原因可能就是找不到.src目录，但是我在借助 ... 报错原因是由于webpack配置文件没有放到根目录造成的，但是为了方便开发我放到了一个文件夹下面...

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

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2.6k views

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dart实例初始化时如何在一些额外操作后初始化final成员？

假设有这样的一个类： class Article { final content; final info; Article({ this.content, this.info }); Article.fromJson(String json) : ... 源，请问如何在不去掉final的情况下，只decode一次然后初始化content和info？...

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

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2.9k views

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Application Insights Summarize with Having clause

I need to summarize an Application Insights query where the count > 1. I don't see any "Having" clause like SQL ... summarize Count = count() by MessageId | order by Count desc...

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

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2.6k views

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Spring Boot Security many connections open after just configuration

Hello my app is deployed into Heroku which has limited number of database connections (20). This is why I need to ... Thank you in advance. BEST ANSWER WILL BE MARKED AS ACCEPTED!...

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

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2.7k views

1 answer

使用mpvue+vant编写一个小例子，toast报错，不知为什么

引入其它的组件是好的，涉及到js就出问题。也按照一些网上的一些经验做了，但是没用路径什么的都没错，我无解了小程序编译工具我也打开ES6转ES5、使用npm模块。望各位老哥看看...

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

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3.0k views

1 answer

html iframe嵌套iframe，样式/显示问题

如图所示，顶部的导航栏底下的页面是iframe，在这层iframe中，点击“服务商信息”后底下也是也是iframe，但是样式出现了极大的问题，请教大神哥哥们这该如何解决，小弟感激不尽...

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

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2.9k views

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springboot 怎么在 controller 上注解让不同的 url 支持不同的 method？

比如 url1 需要只支持 POST url2 只支持 GET 两个 url 映射到一个方法上，有什么好的方式，如果使用 RequestMapping 分别写两个 url 和 method，会产生四种组合感觉不是太好老项目做 restful 改造，兼容老的，照顾新的确实很麻烦...

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

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2.8k views

1 answer

cordova - All Dll's not getting signed when create an exe for Windows Ionic App

The generated ionic app is going through security scan check wherein I have observed that in the windows .exe file some of the ... not. Is there a way to get all these dlls signed?...

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

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3.4k views

1 answer

如下js代码，为什么两个alert出来的都是false呢？

//是否是草稿 var is_draft ='<%=save%>'; alert (is_draft) alert(!is_draft)...

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

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4.0k views

1 answer

react 获取echarts y轴最大刻度

如题用ReactEcharts插件渲染的...

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

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3.6k views

1 answer

tex - (wx)Maxima: general roots of numbers, beyond sqrt?

I'm wondering if there are generalizations of the sqrt function in Maxima? In particular, I'd like to be able to ... , and there weren't any links from the sqrtdispflag entry....

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

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3.7k views

1 answer

javascript如何监控Network中的JS请求？

xhr 是 application/json js 是 application/javascript 如何监控 js 完成请求...

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

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4.6k views

1 answer

aws lambda - AWS Cloud Watch - Parameter ScheduleExpression is not valid

I'm trying to setup a Cloudwatch Scheduled Event and my cron expression seems to be invalid and I can't figure ... Parameter ScheduleExpression is not valid Why is it not valid?...

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

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4.9k views

1 answer

asp.net - Add Footnotes with a Word Extension

I want to create an extension that runs on Mac and Windows. The extension should insert footnotes at the position of the ... on Mac. Do you have another solution to my problem?...

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

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3.7k views

1 answer

eclipse 如何在使用快捷键进行单行注释时不在行首，而在代码前？

正在学习java，看到教程里都使用 eclipse ，我也下载了一个，发现细节上难用的一批，都快无语死了。我想要的注释结果是这样的但是实际效果是这样的有没有方法改一下，百度了半天，也没找到一个有用的，说是让改模板，改了也没辙，eclipse 真的是，一言难尽。。。。...

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

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3.4k views

1 answer

css - How to stop scrollbar from auto scrolling when component updates

I am using this library https://www.npmjs.com/package/react-perfect-scrollbar the scroll bar is set up around a ... scroll to the bottom when the component is updated. Thank You...

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

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4.0k views

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php - How to set Content-Type in Slim to XML?

I want to output application/xml as the Content-Type for my Slim Output. Below you see my code which generates the output. ... ->write($html); return $response; }); $app->run();...

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

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