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请问用vuecli4构建的项目是否需要安装css-loader呢？为什么无法导入外部的css文件呢？不生效

如图所示。不太懂css-loader具体是做什么的？有啥用啊？...

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

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d3.js - DC JS : How to highlight rows in an aggregated data table on click, similar to a row chart?

I love the DC.JS library and have been trying to create a clickable aggregated table in DC.js with partial success. I want ... on click, the same way it works on a row chart....

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

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python - variational auto encoder loss goes down but does not reconstruct input. out of debugging ideas. works on mnist but not on other data

My variational autoencoder seems to work for MNIST, but fails on slightly "harder" data. By "fails" I ... n_plots): for feature_idx, (orig_feature, recon_feature) in enumerate(...

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

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Generic type requires 1 type argument(s) 如何解决报错？

interface someArray<T> { (array: T[]): T[] } interface someObject { sArrar: someArray, } 报错 Error:(176, 13) TS2314: Generic type ... 只是声明了两个接口，为啥会 requires 1 type argument(s). 谢谢 ...

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

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两个对象数组对比,如果有相同的项就删除,不同就添加

两个对象数组对比,如果有相同的项就删除,不同就添加 var a =[{id: 1,content:'11'},{id: 2, content:'22'},{id: 3, content: '33'}] var b = [] // 这个时候 a ... 中的相同项删除不同项添加进去得到 b = [{id: 3, content: '33'}] 请大佬帮帮忙...

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

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Unexpected error when trying to set up a VPC for my Firebase cloud functions to use a dedicated IP address

I am using Firebase cloud functions as a backend for my app and I want to set up a dedicated IP address using ... measure. Thank you. UPDATE Screenshot of my VPC and subnet...

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

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r - Match vectors by pattern

I have vectors x and type x <- c("value", "class", "value2", "value3", "class2", "other") type <- c("value" ... ", "class") One Note: I prefer a base r solution over tidyverse!...

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

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dictionary - Python AttributeError: 'QCheckBox' object has no attribute 'ischecked'

I've created a minimal reproducible example for my issue. I don't understand why it's showing AttributeError: 'QCheckBox' ... to use self.chkbox instead of chkbox. but no help....

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

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Android Studio Debugger Issue

Recently Android Studio (4.1.1) has started to act strange. I cannot debug things properly because debugger stops on a ... . Attaching few images in case it helps. Hope it helps....

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

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swagger的url相同时只展示一条

每个方法的mapping： @RequestMapping(params = "method=getHelpInfo") 通过method参数来区分，这样所有的url都是相同的，在接入swagger后，发现相同url的只能展示一条，这个问题有大佬遇到过吗？...

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

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Elastic search搜索

现在有两张表，一个是商家表，一个是商品表。想用Elastic search做全文搜索，根据商家名称和商品名称匹配数据，并根据距离最近排序，最终实现如下效果图。想问一下索引怎么建立呢？是建立一个索引，还是两个？es怎么存这个数据，用父子的形式查询？还是？用Java客户端操作es有没有比较好用的推荐一下。谢谢！...

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

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vue.js - VueJS/Typescript error: Cannot find module 'my-module' or its corresponding type declarations

I have a Vue2 setup with Nuxt and Typescript. I'm trying to install the vue-slick-carousel module using yarn but Typescript ... to do next. Do I need to manually define the types?...

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

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java - How to save data from JEditorPane?

So first of all I want to use my JEditorPane as a "note field" and I want it to save the text, so I still can ... (Paths.get(fileName)))) { return ois.readObject(); } } }...

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

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vue 双向绑定多个子组件，不同绑定值，显示不同css 样式

父组件中： <div> <ticketFormDetails text="指定时间" :value="assignDatetime | dateFormatSecondZero" ></ticketFormDetails> </div> < ... | dateFormatSecondZero"显示红色 :value="businessId" 显示黑色？...

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

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linux - Why does accept() block, when listen() is the very first involved in TCP?

The accept() blocks, until another connection is made and the return the sockfd the can communicate both sides on. But why ... 3whs? Or why does accept() blocks and not listen()?...

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

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geofirestore - Flutter getting data from firestore using collectionGroup

Am creating an app which will display content based on user location. For this am using the Geoflutterfire ... case(collectionGroup) it only shows the circular progress indicator....

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

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3.6k views

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Kubernetes 中是否存在 WatchJob 机制？

使用场景监听 TLS Secret，同步更新到第三方 CDN 目前的解决方案执行一个 Deployment，利用 API 的 watch 能力完成同步与更新期望的解决方案与思考在 CronJob 外提供一种 WatchJob，定义好后会在指定资 ... CPU/RAM 资源如果不存在这样的机制，是由于 k8s 的功能缺失还是该需求本身就是伪需求？...

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

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(C) Write doubles outside the stack

I am trying to write numbers from type double outside of the stack but I can't quite work it out how to do it. I have tried ... { Get(val); printf("%lf ", val); } return 0; }...

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

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存入数据库时富文本的图片存地址还是base64？

如果是存地址的话，如果迁移服务器会有无法获取图片的问题，如果存base64可能会加载缓慢，请问有什么比较好的办法？...

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

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3.6k views

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reactjs - Modelling problem N:M relationships using javascript and dexie

I'm trying to build an m:n relationship with react, dexie and dexie-relationsships. I have tags and blocks, and each tag can link to ... be defined: ${rel.tags}`); }); }; f();...

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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linux - How to increase size of prefernce dialogue font?

after installing of wolfram Mathematica I Found that size of preference dialogue font is too small and it kinda hard for ... is on ubuntu 20.04 and wolfram version 12.1...

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

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3.7k views

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多个list dict嵌套如何快速获取某个list

腾讯云CDN日志的数据格式为： data={"Data": [{"Resource": "all", "DetailData": [{"Name": "cdn.asd.com/asd/asdfg.mp4", "Value": 2972209657 ... /asd/hjkl.jpg', 'Value': 12856187}] 比较繁琐，有没有比较优雅的办法？...

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

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3.8k views

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vue 如何把秒转换为时间格式

this.pages = res.pages; this.listTableLoading = false; console.log(this.tableOperationList,"行为审计") if(timeEvents.length){ let timeEvent=[]; / ... }); } 如何把数组的时长秒数转换成00：00：00这种时间格式...

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

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4.7k views

1 answer

用户表结构设计咨询

请教各位大佬几个问题，不同用户类型，比如前台和后台用户、商家、供应商之类的，是每个用户单独一张表，还是公用一张用户表、只是用户表只存储认证相关字段、每个用户类型额外一张用户信息表？谢谢！...

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

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4.1k views

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'navigationBarTitle' is unavailable in macOS

为什么会 'navigationBarTitle' is unavailable in macOS ？...

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

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3.4k views

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react 打包上线 { children } 里面组件没有渲染？

打包环境没有展示出来dom结构本地开发正常代码写法如果换成下面 <home/> <rules/>就可以展示控制台打印的props都有的...

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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python - Add multiple DataFrame series to new series in same DataFrame

I have a dataset in a .csv which I imported into a DataFrame using pandas, organized in the following manner (obviously ... (presumbly via data.dropna() or some other function?)....

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

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3.8k views

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自动服务任务用工作流还是用规则引擎？

我看activiti有SeriviceTask(自动服务任务)的概念但看起来规则引擎(urule)好像也能弄到同样的效果。有人弄过全自动的流程的么？这两个用哪个好？主要是要可以自动处理，然后支持用户自己定义流程，按一些规则处理不同的任务，编辑器部分已经打算自己写一套了...

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

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