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最新版本NG-ZORRO(9.2.2.2)下的控件, 不再支持IE11了吗? 项目引用控件后, IE11下, 都无法使用. IE Edge是这个正常的. 比如, 日期控件, 加载后就是打开状态. 用IE浏览器, 直接访问网站就能看到效果 https://ng.ant.design/compone... 可官方提供说明是支持IE的.......

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

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596 views

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Softether VPN with Apache Reverse Proxy

I have a (azure) server where redmine and Softether VPN is running. Apache httpd distibute the requests to redmine and ... </Directory> </VirtualHost> What I'm doing wrong here?...

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

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python - Local Contrast Enhancement for Digit Recognition with cv2 / pytesseract

I want to use pytesseract to read digits from images. The images look as follows: The digits are dotted and ... mean threshold and gaussian threshold lead to the following results:...

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

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python 3.x - missing FROM-clause entry for table "account"

hi am working on odoo 11 accounting and am trying to devlop consolidate trial balance in multi company this is my sql ... result and i got this error can anyone help me, please...

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

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dart - Unhandled Exception: type 'List<dynamic>' is not a subtype of type 'List<Map<dynamic, dynamic>>' Flutter Firebase

I am trying to get a list from firebase document and then set to another empty List of maps then add a map to ... the list coming from Firebase. I keep getting the above error...

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

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react 怎么阻止点击子元素触发父元素事件

怎么点击Input的onchage事件时候只触发当前事件不触发父元素上的onclick事件阻止冒泡都不行 //点击选中按钮 checkThis=(item,e)=>{ console. ... "click" console.log(eventType) item.checked=!item.checked // console.log(item) }...

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

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php - session_start(): Cannot start session when headers already sent in

OUTPUT: Enter stops: stop = 0 enter fares between stops: Warning: session_start(): Cannot start session when headers already sent ... unset($array); } $break = true; } } break; }...

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

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http 请求 response 中的 header 中 location 为空，会跳转到哪？

rtttttttttttttttt...

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

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vue 动画自定义事件

不太熟悉vue，不知道这段代码是什么意思？来自于 nutui：（https://github.com/jdf2e/nutu...）的 popup 组件，我知道 emit 是自定义事件，但是为什么我没有找到 opened 方法呢？...

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

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747 views

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acumatica - Prepare Payments page not showing PayDate after adding a filter

I added a new filter to Prepare payment(AP503000). The filter works as expected. After testing I realized that the Pay Date( ... } else { yield return item; } } } #endregion } }...

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

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java - GUI on runtime differs from Designed GUI on NetBeans GUI builder

I am using JTabbedpane with a JPanel tabbed and all the components inside the panel are shown in the picture below: This was, ... in GUI source code. And yet I am facing the issue....

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

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r - Sampling values from an isosurface using misc3d

Background I want to sample values from an isosurface, calculated with the marching squares algorithm from the misc3d package ... a similar output? Are there functions to do so?...

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

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npm打包优化，使用路由懒加载分离出的js为什么这么大，接近1mb？

我是用cdn代替import且externals:{'caniuse-lite': 'caniuse-lite',}，不然大小会更大。然后为什么npm还是打包了caniuse-lite模块？...

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

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385 views

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proxyTable 配置后报Invalid CORS request，如何解决？

proxyTable 配置后/api 可以跨域获取结果，但是/v1报Invalid CORS request，返回错误如下图： postman可以接通接口，请问这种情况和解决？...

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

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r - mutate und case_when with multiple cases

I would like to basically write a Syntax to get general scales to T-Scores. To norm these, there are two conditions, ... , what I want to do here. Thank you in advance....

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

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MySQL多层级数据查询返回多维度结果集的问题？

现有三个表，分别是父亲表tablea 儿子表tableb 孙子表tablec，其结构如下：父亲表tablea aid name age 1 赵 60 2 钱 70 儿子表tableb bid aid name height 1 1 赵一 170 ... : 140 },{ cid: 8, name: '钱二2', weight: 145 }] }] }]...

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

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在接口中定义Object类中已经存在的方法有什么意义？

首先任何类都是默认继承Object类的，如果我需要重写Object类中的方法，可以直接重写啊，那接口中还定义这个在Object类中已经存在的方法有什么用呢？...

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

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184 views

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html - background image just be seen in child div

i have a parent div with background image and another div inside it. i want background image of parent div only be seen in ... class="parent"> <div class="child"></div> </div>...

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

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neural network - How to find local gradient in this computational graph?

I am trying to find local gradient at w5,w4,w3,w2,w1. While I know how to calculate local gradient in a MLP but this being a computational graph, I am having some trouble....

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

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Wordpress: Only Child categories clickable Post Editor

I have the following question: I have a WP site with multiple authors. There are 2 types of parent categories : ... it should be only authors must sort their stories correctly....

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

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日志记录是存文件还是数据表好呢

比如微信支付回调的这些记录文件还是数据表好呢什么情况文件什么情况数据表呢...

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

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Axios使用代理IP请求

问题描述使用vue想要实现爬虫，需要通过代理ip来访问到目标网站，根据文档使用了axios的proxy配置却无效果问题出现的环境背景及自己尝试过哪些方法网上搜索全部是关于proxyTable解决跨域的，没有有用信息 ... }).then(res => { console.log(res) }) 你期待的结果是什么？实际看到的错误信息又是什么？...

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

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355 views

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js表格无缝滚动怎么来实现的

这种带有斑马线效果的列表，怎么实现自动上下无缝隙滚动。百度上很多效果都不太好/...

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

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287 views

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Sequelize 聊天列表group查询

做了聊天室的功能表是这样设计的 id: { type: UUID, primaryKey: true, defaultValue: UUIDV1 }, fromUserId: { type: UUID, allowNull: false }, toUserId: { type: ... 和我发给他的最后一条信息：我要怎么合并这两个呢？根据最后的发表时间...

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

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vue组件封装，求教

通用组件： <view v-for="(item,index) in list" :key="index">{{}} </view> 父组件1： list:[{name:123},{name:456}] 父组件2： list:[{id:111},{id:222}] 两个页面中传到子组件的list中key不一样，我子组件应该如何取到父组件传过来的value值呢...

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

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travis build docker image with git ssh

I am trying to rollout one of my build using travis. As part of the pre script I am building a docker image. Within ... : No such file or directory npm ERR! fatal: unable to fork...

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

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关于Token失效的问题

本地部署的时候完全可以正常登录，但是部署上云服务器的时候，就出现了问题：这个permisson是做权限拦截的：显示这个token为undefined，那么应该是后台的错误了，但是后台服务器上的代码和本地的代码是一模一样的，本地部署的 ... 成Token方法每次前台来需要权限的路径全部要拦截如前台访问需要权限的路径时要将token带上去控制台反馈：...

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

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关于Token失效的问题

本地部署的时候完全可以正常登录，但是部署上云服务器的时候，就出现了问题：这个permisson是做权限拦截的：显示这个token为undefined，那么应该是后台的错误了，但是后台服务器上的代码和本地的代码是一模一样的，本地部署的 ... 成Token方法每次前台来需要权限的路径全部要拦截如前台访问需要权限的路径时要将token带上去控制台反馈：...

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

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