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js获取到dom元素后如何修改dom的子元素样式？

比如 <div class="a"> <div class="b"></div> <div class="c"></div> </div> 我通过js获取到classa的dom元素了，然后我想修改classc的样式该怎么写？...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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echarts使用的bmap不支持pointer事件,如何支持？

echarts使用的bmap不支持pointer事件,如何支持...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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RESTful中面对非常规CRUD的场景应该怎么定义URL？

比如后端有个service是去网上拉取最新的疫情数据，现在要由前端发起这个请求命令，应该如何定义RESTful url？这样吗？ POST /api/covid19?action=refresh 补充下，我主要是在使用egg.js中的router.resources()映射controller方法时遇到疑惑。...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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postcss-plugin-px2rem rootValue 设计稿是iphoneX的 W:1125PX+H:2436PX

看了好多网上的资料一直不明白rootValue的值是怎么计算的按照网上说的 750的设计图是 rootValue:75 ,那么1125的尺寸应该 1125/10=112.5 但按照设计图量出来的尺寸用css 正常写出来却不对如: W276PX 最后换算为成了2.453333rem...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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292 views

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vue视图未及时更新

<div style="width:130px;height:40px;line-height:40px;"> <button style="border:none;background:none;height:40px;vertical-align: middle;font-weight:600 ... 能及时更新视图，只修改了数组里面的数据，向大佬请教？...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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php - Array management and preview with Laravel Livewire

When using an input file to load images with Livewire I found that if the user clicks to load multiple images it works ... I could do to display all the images in the array....

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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hash - Pasword remove hashing: convert MD5 to normal hashing PHP

I am unsure as to how to convert an MD5 dehashing into a normal verification. I would like to change a hashed string to ... '] = true; header('Location: index.php'); exit();...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - gcloud not working after updating manjaro

I had some system updates for my manjaro installation and after that I get the following error message when trying to run ... upgrade itself then go back to the new python 3.9?...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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692 views

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Maven 一个很诡异的jar版本冲突问题。

项目中用到了elasticsearch 貌似跟某个jar间接版本冲突了 Maven helper 插件没发分析，给了一个很温馨的提示 An artifact is in conflict, its version is probably ... 就是6.8.0 管理模块（admin）依赖了core之后，admin 模块实际是 5.6.10....

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Do I need immutable collections in @AutoValue classes?

Is a class generated with @AutoValue immutable? Can I use it instead of creating the class myself and making sure it can be annotated @Immutable?...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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websocket的子协议(protocols)有哪些作用？

new WebSocket(url [, protocols]); protocols 可选一个协议字符串或者一个包含协议字符串的数组这些字符串用于指定子协议，这样单个服务器可以实现多个WebSocket子协议（例如，您可能希望一台服务器能够 ... 应用又不知从何开始，所以有几个问题：子协议(protocols)能实现什么业务场景如何应用谢谢??...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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584 views

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wordpress - PHP Script to force WooCommerce Variation

Hi I have a product store with 1000+ and have a problem with color/size variation pick. I used Variation ... here : https://quadlayers.com/default-product-attributes-woocommerce/...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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161 views

1 answer

Microservice Design with SignalR

We have built a microservice architecture but have run into an issue where the messages going on to the bus are ... , for example a document or a particularly large object....

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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442 views

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threejs 获取3D模型某个点的三视图

获取场景中的3D模型某个点的三视图，并获取到三视图数据。或者根据3D场景中有某个平面，获取该平面与3D视图相交的2D数据...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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484 views

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windows下mysql5.5导出sql文件再导入到mysql5.6系统报错。

先说一下实际环境，一共有A B两台电脑 A电脑是winxp 32位? mysql5.5 X32 B电脑是win7 64位，mysql5.6 X64 导入导出的工具是在A机器安装了一个Navicat的工具软件，在A电脑把数据库导出成SQL文件（结构和数据） ... 作更方便哦），想实际测试的话给我留邮箱我发给你们，可以自己做一下实际测试希望各位大神帮帮我 ...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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153 views

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node.js - node js req.body empty return

i have very strange problem i already did some forms in same way and everythin working fine.. I will try to give u some ... when i console.log req i see theres req.body empty......

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Ubuntu, how to deal the error "<stdin>:1:10: fatal error: git2.h: No such file or directory"?

I am trying to install the easypackages R package on R 3.6.1 on miniconda, which requires the installation of the gert ... using an Ubuntu 16.04.7 LTS operating system. Thank you...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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vue-element-admin 路由问题

path: '/system-manage', name: 'system-manage', component: Layout, redirect: 'noRedirect', meta: { title: '系统设置', icon: 'lock' }, children: ... 次跳转tree-add 路由时,总是会全局刷新,而我只是想局部刷新,求方法...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Default cell values when editing new row non-programmatically in Google Sheets

I have a spreadsheet that I maintain manually, whenever a new line is edited I would like the columns in the row to ... value per cell. Is there a smart way of achieving this?...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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473 views

1 answer

asp.net core - Getting refresh_token server-side (sessionToken) with Okta

We wish to use our own httponly strict cookie with access and refresh token in it for our microservices architectures ... can we retrieve the refresh_token server-side with Okta?...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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240 views

1 answer

Wicket: How can I hide a column in the DataTable when each cell is empty or contains a hidden component?

I have a column in my table where I populate item with the following code: @Override public void ... t compile because of dataTable#getColumns() has wildcard in declaration...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Autohotkey 如何整数前有0？

利用ahk破解4位数字密码，如何输入0001，例如： F1:: i = 0000 while i < 9999 { ... send, %i% ;sleep, 40 ++i ... } ++i,i会变成1，而不是0001。...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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636 views

1 answer

yarn全局安装的包无法全局使用？

yarn add global @tarojs/cli 安装完成了，但是taro命令却显示没有这样的命令，使用npm安装后就好了，这是为什么呢？...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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642 views

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postgresql - Run pgAdmin as a service

I'm stuck on an issue on pgadmin, and I did not find any similar situation in other discussions about. I am not ... the issue is coming from here. Thinks for the solving ideas,...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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前端开发完成进行部署

目前所完成： 1.开发完成打包成为一个dist文件 2.通过 SecureCRT, SecureFX上传到指定文件夹下 3.前后端分离，但是项目都上传到一个服务器（后端已经部署）期望： 1.能通过服务器公网IP 访问到我的项目（ ... 想问一下大佬：服务器需要下载什么吗？或者下载的东西再配置例如Nginx？但是不跨域的话也不用Nginx，所以比较懵...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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441 views

1 answer

qq小程序，无法调起发布到说说页面(qq.openQzonePublish)，如下图代码

qq小程序，无法调起发布到说说页面(qq.openQzonePublish)，如下图代码...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer

Printer queue getting stuck after printing 10 items

I have a windows 10 computer that is printing to a shared computer. Every time I print more than 10 print jobs it prints ... could the problem be? Each file size is about 9-10 KB....

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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271 views

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layui不能组件化，开发是不是很痛苦

layui跟jq那些，相同组件或者ui，很多页面都用到，哪一天要改动，不是很痛苦，一个一个改...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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