Recent questions in Technique[技术]

0 votes

614 views

1 answer

项目通过websocket连接不管设备是否在线，都是推给我全部的设备，仅仅是type:online/offline表示设备状态设备为在线时，如下图所示设备为离线时，如下图所示采用的是:echart+百度地图部分代码: ` series: [ { type: "effectScatter", ... } }, zlevel: 1 } ] ` 目的:当某个设备离线时，就将对应点的颜色变为红色，应该怎么设置rippleEffect里面的color？...

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

0 votes

704 views

1 answer

DolphinDB中有什么工具可以监测使用情况？

DolphinDB除了java客户端的GUI，还有其它工具可以监测DolphinDB的使用情况吗？比如有多少客户端链接上来了；比如内存、cpu使用情况等等。...

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

0 votes

729 views

1 answer

Vue项目运行时提示svg-sprite-loader ExtractPluginMissingException？

我已经执行了： vue add svg-sprite npm install svgo svgo-loader --save-dev npm install svg-sprite-loader 运行时终端打印warning： Module build failed (from ./node_modules/svg-sprite-loader/lib ... -node (webpack)/hot/dev-server.js ./src/main.js 浏览器控制台报错：求教...

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

0 votes

1.0k views

1 answer

vue怎么异步注册全局组件（通过接口来控制注册）

如下，现在需要通过接口动态的注册组件，供后面调用，但是vue官方提示全局组件要在根vue初始化之前挂载，现在就很无语，有没有大佬提供点思路啊...

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

0 votes

2.6k views

1 answer

django - Serializing model data leads to TypeError "Object of type ListSerializer is not JSON serializable"

I am not able to use the answers here or here for my own problem. I tried to customize the DRF tutorial part 3: models.py: class ... : Exception Type: TypeError Exception Value: Object of type ListSerializer is not JSON serializable...

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

0 votes

1.2k views

1 answer

symfony - How to delete a child who has left a collection to another child?

I have a problem. I have a Newsletter entity that has an OneToMany relationship to the NewsItem entity. My NewsItem entity also has an OneToMany relationship to the ... ="id", onDelete="SET NULL") */ private $newsItem; An idea ?...

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

0 votes

1.2k views

1 answer

dva打包部署后接口报错

本地开启的服务器8080端口，前端框架服务是8001端口，可以正常请求。打包部署本地服务器请求也没有问题。但是部署到云服务器时接口却报错。 express的服务 bu shu dao y...

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

0 votes

1.0k views

1 answer

javascript - Select drop-down menu items do not appear when I click the drop-down

I have an existing JS project in which I have added a select drop down menu which I am trying to populate with results from a get request to a web ... with JS can point me in the right direction. Any help is massively appreciated!...

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

0 votes

2.7k views

1 answer

spring boot - QueuesNotAvailableException: Cannot prepare queue for listener. Either the queue doesn't exist or the broker will not allow us to use it

After updating Rabbit MQ version to 3.8 from 3.7 we start getting the below exception on micro service start up we are getting {"timestamp":"2021-01-07T12:41: ... all the super permisions rabbitmqctl set_permissions -p / test "." "." ".*"...

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

0 votes

1.8k views

1 answer

Ansible/Nagios : problem with adding more than one template

Good Day, I have been struggling for a week on this one, but still no progess ;-( The idea is to push new Hosts to Nagios using Ansible. My ... this makes sense to you. Can anyone advise, please? Many thanks in anticipation!! Anthony...

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

0 votes

1.8k views

1 answer

mule - Get List of Department Control Numbers using NetSuite connecter in MuleSoft

We have a requirement where we need to get list of department control number list from Netsuite and send that list to target system. I tried using search operation ... from Mule. We are kind of stuck and need not able to proceed further....

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

0 votes

1.9k views

1 answer

show slave status ;没有数据

为啥没有数据呢...

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

0 votes

2.1k views

1 answer

关于vue老项目添加typescript的一个疑问

按照vue官网添加了typescript ts-loader vue-class-component vue-property-decorator等基础设施项目算是支持ts了，同时兼容老代码但是在.vue文件中用ts写新代码时，某些类型错误会在webpack-dev-server编译时log在控制台中，这样很麻烦，能不能 ... 误，在webstorm中竟然什么都不提示同样的代码使用vscode打开，却有错误提示不想换IDE，webstorm怎么达到同样的效果...

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

0 votes

2.8k views

1 answer

visual studio code - Angular language service in VSCode does not work because it is not an Angular project ('@angular/core/core.d.ts' could not be found)

Somehow the Angular (v11.0.4) language service in VSCode does not work anymore. I get the following error message.: [Info - 17:52:04] Angular language server process ... but it does not solve the problem. What can I do to solve that issue?...

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

0 votes

2.2k views

1 answer

three 整个场景可以深度拷贝吗

使用场景：场景默认有个网格，坐标线，环境光每次加载一个不同的场景，需要去清除场景中里面的scene.children对象（非网格，坐标线，环境光），如果不是深拷贝，每次移除一个children的，foreach的length就会发生变化，部分想移除的 ... .name ==='grid'|| obj.name ==='axisHelper'|| obj.name ==='ambientLight') return this.removeObject(obj) })...

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

0 votes

2.5k views

1 answer

php7.4已经抛弃了get_magic_quotes_gpc这个方法，那么请问这个值在php7.4返回的应该是0还是1呢？

如题。官方文档描述如下：如果 magic_quotes_gpc 为关闭时返回 0，否则返回 1。在 PHP 5.4.O 起将始终返回 FALSE。那么问题来了，在php7.4中这个值到底该为 0 还是 1 呢？...

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

0 votes

2.6k views

1 answer

python - unable to Train images from subfolders in facial recognition

so here iam trying to send some block of images to be trained, the error '[Errno 13] Permission denied:' starts to arrise when i put the images to different ... [INFO] {0} faces trained. Exiting Program".format(len(np.unique(ids))))...

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

0 votes

2.5k views

1 answer

Is there a more efficient way to create images using python PIL?

I'm trying to generate an image that contains the text of a given string. For now I'm using the Image.draw.text() from the Pyhton PIL library to generate the ... = ImageDraw.Draw(img) draw.text((0, 0), text, fontcolor, font) return(img)...

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

0 votes

2.4k views

1 answer

传统前端项目中如何进行组件化开发？

公司的项目出于一些原因，要求我们交付的网页成品html能够方便地读写修改，也就是要用老办法写前端，于是各种打包工具就用不了啦。项目中会使用vue和vant用来搭建页面，但是要求尽量少使用vue的mvvm之类的特性，也就是单纯用来搭建UI。现在自己在用模板引擎做组件化开发不过还是挺繁琐的，不知道能不能用上vue的组件或者web component之类来方便这方面的开发。没啥比较易行的思路，求指点。...

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

0 votes

2.5k views

1 answer

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源更新后自动执行，这样不需要和 Deployment 一样一直占用 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)

0 votes

2.6k views

1 answer

javascript - Is callback of an async function put in the message queue?

I am new to Javascript, In the following code async function fun(callback) { callback(); } console.log('1'); fun(function(){ console.log('2'); }); console.log ... executed only after call stack is empty, so shouldn't the order be 1 3 2 ?...

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

0 votes

2.6k views

1 answer

建筑学生受欢迎的三维建模软件？ ThingJS 3D 可视化

建议以终为始，才能找到学习软件的目标因为软件的功能有侧重点，面向的人群也不同，无法一概论之，否则就是很平庸的软件（1）CAD是用作施工图/装配图绘制，指导施工，也是3D效果图的基础参照图纸，趁有空赶紧学会（2）3DsMax软件，常用作三维建模动画渲染和可视化，应用领域广泛，可以创造宏伟的游戏世界 ... 领域之一就是智慧建筑，应用在城市设计安全消防或指挥中心；越来越多的中小团队也加入开发项目，thingjs推动物联网3D可视化向众创发展，保密项目开发更轻松 ...

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

0 votes

2.8k views

1 answer

typescript中interface约束不生效

index.d.ts export interface State { ua: string } state.ts import { State } from "./index.d"; const state = (): State => ({ ua: "other" }); export default state; mutations ... . } }; export default mutations; 我这个问题出在哪里了啊我的State中明明有ua这个属性的啊...

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

0 votes

3.1k views

1 answer

el-tree 数据量大的情况下会很卡

目前接口是全量提交的数据，数量量节点几千勾选父节点，子节点自动全选操作都要10S+，页面滚动也很卡，然后也容易崩。有没有什么优化办法。...

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

0 votes

2.7k views

1 answer

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}, {"Name": "cdn.asd.com/asd/hjkl.jpg", ... 'Name': 'cdn.asd.com/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)

0 votes

3.5k views

1 answer

node.js - How to print HTML Response of node js request response

I am getting a response of node js request having options like URL methods and cookie but I am getting a response as an HTML with some script. While consoling the response, ... `) } } catch(err) { console.log(err); } }) } SearchById(777474)...

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

0 votes

2.8k views

1 answer

在使用ts的vue项目中 JSON.stringify(ary) 为什么会报红

项目可以正常运行，就是这里一直报红，怎么回事？...

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

0 votes

2.8k views

1 answer

javascript - Bootstrap and owl carousel conflict

I am using owl carousel 2, but there seems to be an issue when I add the bootstrap link to my site. I feel that is the issue, not sure though. Any help ... align-items: center; font-size: 30px; font-weight: 500; border: 1px solid #dddddd; }...

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

Categories

Just Browsing Browsing

Most popular tags