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使用webpack打包后，在低版本浏览器（例如：Chrome 65.x）控制台报错： Uncaught TypeError: Cannot redefine property: flat at Function.defineProperty (<anonymous>) ... jsx}": [ "eslint --fix", "git add" ] } }...

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

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请问 powershell 有类似 linux sudo -s 功能吗?

请问 powershell 有类似 linux sudo -s 功能吗? 有时打命令突然需要管理员权限，这时候只能去打开 powershell run as admin 不能像是 linux 输入 sudo -s 就能简单切换 ... 或 PowerShell 普通用户切换为管理员_bobo_bc的博客-CSDN博客 Windows命令行切换管理员权限的问题...

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

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请问js如何将下图这种类型的时间戳格式转换成dataTime格式

如图所示，调用接口获取了一组json格式的数据，其中creationTimestamp表示的是时间，请问前端如何将这一大段数据转换成2020-09-23 10:25:21这种dataTime格式的数据呢 " ... , "iID": "Asia/Shanghai" }, "iID": "Asia/Shanghai" } } } },...

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

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969 views

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android开发，嵌入h5页面，视频全屏点击播放无效

Android开发，需要嵌入一个h5网页，页面上有一段视频，采用腾讯 x5 播放器来做，遇到了一些问题，差不多快弄好了，但是还有一个致命问题就是，进入页面后，没有点击h5页面上的视频播放按钮，而是直接点击最大化按钮，然后点击 x5 ... ，视频一直空白无法播放；注：如果进入h5，先点击播放按钮，则所有操作没问题进入h5页面点击最大化点击播放...

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

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DolphinDB如何清空某一个分区的内容？

我创建了数据库："dfs://CBP_ALARM" 在该数据库下面创建了分区："19700101" 问题1：如何删除分区"19700101"？问题2：如果我想删除分区中的某几条记录，应该怎么办？创建的数据库和分区文件如下：...

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

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Vue3 保存持续存在的Dom元素

在写一个 Vue3 的组件，其中有一个功能为将 div 的每次滚动距离为自己控制的固定距离实现思路：通过使用Element.scrollBy() + WheelEvent 事件来实现由于这 ... .log(e); // e.preventDefault(); console.log('wheel'); } return { mousewheel }...

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

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javascript - Localizing html content in vue

So I have been using v-html tag to render the html in my vue pages. But I encountered a string which was a proper html ... affect only on the div it is on, and not the whole page....

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

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spring restdocs - Rest docs use custom Snippet class is ignored

I want to include a custom Snippet class of mine and therefor I followed the docs ( I use junit 5 ). @BeforeEach() ... ? And why does the snippet from the docs cause this error?...

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

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在DolphinDB GUI中执行脚本创建的本地变量，是不是占用server端的内存？

使用DolphinDB的过程中，我在windows端启动了GUI界面，执行了一个DolphinDB的脚本，创建了一些本地变量（不是数据库或共享表），这些本地变量是算GUI java进程的内存还是算DolphinDB server端进程的内存？getMemoryStat()这个函数返回的内存占用情况是DolphinDB server端进程的内存占用情况吗？...

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

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1.8k views

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es6 generator执行顺序

教程例子如下： function* dataConsumer() { console.log('Started'); console.log(`1. ${yield}`); console.log(`2. ${yield}`); return 'result'; } ... ，所以呈现为undefined 教程没详细解释整个流程，所以不清楚我思路错在哪里 ...

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

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1.9k views

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echarts如何添加多个handle（拖拽手柄）？

echarts可以在横纵坐标轴上添加可拖拽的手柄，并且实时显示坐标值，但是目前官方的事例只能添加一条竖线，而目前的需求是可以添加多条。谢谢！...

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

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2.0k views

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git 出现 fatal: unable to access 问题

困扰一天了~~...

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

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3.3k views

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grafana graph悬浮显示异常

如图，grafana中悬浮显示以及current数据都是第一个点的数据，而非当前悬浮点的数据。这是dolphindb插件的问题还是grafana的问题？我使用其他数据源不存在这个问题。...

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

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3.2k views

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sqlite - Android Room: Dynamically deciding on what tables to search

I have a Room Database with a Questions-Table and multiple Answer-Tables (with different kind of answers, like Multiple Choice ... question is if there's a better way to do this....

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

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3.9k views

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android studio - Looking up a deactivated widget's ancestor is unsafe) flutter

this is my splash screen and I provide the future method to navigate automatically to another screen, class SplashScreen ... !!!!!! here Test breaks when using Future.delayed...

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

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3.9k views

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javascript - ScrollTrigger with Next js

im trying to use ScrollTrigger with Next js : import { gsap } from "gsap"; import { ScrollTrigger } from "gsap/ ... got this error: does anyone have a solution for this problem...

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

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3.5k views

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git本地仓库特别混乱该怎么办？

这是一个很囧的问题因为之前没有涉及到团队开发，就仅仅是把写好的代码提交到企业gitee上，或者学习别人的代码我常用的就是在终端执行git clone指令；或者在gitee创建一个库，拉到本地，然后写写写，写好了使用vscode可视化的提交过程 ... 的）所以我能不能清理全部或者部分的本地仓库，如果可以需要怎么做让这些小箭头消失？谢谢各位的建议和解答 ...

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

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5.9k views

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python - Scraping website with Beautiful Soup that requires login

Im trying to scrape one website that requires login with Python and Beautiful Soup. I want to scrape this page (when you ... stuf but I always failed. Thanks for helping me out....

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

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3.9k views

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count(1)和 count(*) 的结果不一样

请问一下，DolphinDB的sql查询是不是标准sql有些区别？如下图所示， count（1）和 count(*) 的结果不一样。...

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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那家技术课堂好一点？

思否？网易？瓜哇？还有啥课堂有没有好一点的推荐一下...

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

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4.0k views

1 answer

JavaMail 使用网易163邮箱，发送时异常：554 DT:SPM，加了抄送人也没用

主代码逻辑如下 @Async protected void sendMail(String title, String content, String email) { try { MimeMessage message = mailSender.createMimeMessage(); //设 ... 这下就不知道原因，有没有哪位大佬知道啥原因啊，感激不尽...

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

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3.8k views

1 answer

react setState如何修改深层次的数据

data: [ { id: '111', name: 'test 001', price: '222', money: '23232', numList: [ { num: ['1', ''], price: 12 }, { num: ['', ... ] } ] 我想修改data[0].numList[0].num[1],修改之后在赋值给data 怎么搞...

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

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4.2k views

1 answer

chromium - Shell script works properly when manually launched, but "fails" when launched by a service

I am trying to set up a digital display board using a Raspberry Pi 4 running the latest release of Rasbian Version 10( ... " suggested, but none have the solution I am looking for....

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

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4.0k views

1 answer

vue组件父传子有关echart颜色问题

问题：在做echart视图的时候，有多个柱状图只是颜色不一样现在想在父组件上添加一个:barColor这样的属性，通过父组件单独定义颜色传给子组件 p.s.最好不是那种颜色数组解决办法，var color =["# ... = ""; var option = { ....... color:"colorBar" } } 以上的办法不显示，报错 ...

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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echarts 怎么给每一个series配置单独的barGap

echarts演示链接当前代码实现效果如下图所示想要将进度数据宽度减小,并在总体进度中居中显示显示效果如下本来想用barGap进行距离控制,但是barGap只能够设置一个,导致了警戒线series也进行了偏移请问能够给一个series设置单独的barGap, 或者是否有其他解决方案...

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

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4.1k views

1 answer

C# Formatting integers

I have an integer which I want to convert to a string, but taking the last 3 numbers and showing only the first 2 of ... was: @juharr (num / 1000M).ToString("F2"); thanks a lot...

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

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3.8k views

1 answer

js数组中每一个对象都添加一个属性'id'，id唯一且是number类型

treeData: [ { label: 'aaa', children: [ { label: 'bbb' }, { label: 'ccc' }, { label: 'ddd' } ] } ] 在每个里面添加id之后的 `treeData: ... 3, label: 'ccc' }, { id: 7, label: 'ddd' } ] } ],` 求...

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

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3.7k views

1 answer

docker-compose up 镜像失败，报错网络错误

在云主机ecs 虚拟机上都执行过，都失败 docker-compose up -d nginx mysql 尝试解决： 1.配置了镜像加速也没用 sudo mkdir -p /etc/docker ... .com 也ping的通啊 3 /etc/hosts 加 199.232.68.133 raw.githubusercontent.com...

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

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