Recent questions in Technique[技术]

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vant toast 自定义位置？

如图，希望在点击换色图标之后，在图标位置后显示该输入项目的提示。vant的position只支持middle，top之类的，怎么自定义这个位置？...

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

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Chartjs bar-chart displays after the jquery function ends

I have 3 charts in jQuery function, chart2 and chart3 get displayed but chart1 ... = groupbyTableRecords(acccount_tables); tempTableGlobal = groupbyTableRecordsBYid(acccoun...

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

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xcode12 - Where is XCode looking for dSYM files for crash log symbolication?

I have a weird issue I'm trying to troubleshoot: I have a crash log and dSYM for that log. If I move dSYM into ... How can I add a specific folder, like downloads to that path?...

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

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reactjs - Which files to cache in service worker created in public folder of the react app

I am trying to implement PWA with firebase cloud messaging push notifications (front-end only, for testing...). The ... code can be viewed at GitHub repo for the project....

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

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361 views

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Jenkins 部署集群 springboot shell 卡住无法退出？

jenkins构建好项目后执行shell卡住，但是springboot已经成功运行了这是脚本卡在这里最终超时结束，无法继续部署其他机器...

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

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356 views

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javascript - Console not appearing at the bottom in Chrome Developer Tools

When opening chrome developer tools, the console used to come below any open tab (like elements, sources etc.). However, I ... it there now. How do I put is back there again?...

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

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griddb - How can I create a horizontal bar chart of averages by month in Grafana?

I have many years of temperature data in GridDB and want to use Grafana to render this data in a histogram. The ... should be used and how I should construct the query? Thanks...

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

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vue表单重置无效

<el-dialog v-if="formOpen" :visible.sync="formOpen" center :close-on-click-modal="false" :close-on-press-escape="false" :title="(form ... }).catch(() => { this.msgError('修改失败！') })...

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

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js请求多次接口，检测最后一次调用完毕

有一个上传图片的需求，使用antd的upload组件一次性上传多张图片即调用多次接口，怎么检测最后一张图片已上传完毕? antd提供的上传完毕是每个图片上传完毕，只要最后一个完毕。...

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

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javascript - Count number of characters in each line of the span element

Suppose I have a <span> tag with some text inside. Span node can also have child nodes(strong, em) tags. I can easily break ... number of chars in x, y, and z (See the image below)...

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

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js 读取不到剪切板信息。

再文件里面复制一个图片然后再粘贴到页面中的富文本编辑器里。这个时候右键粘贴不可以。如果是文字的话，没问题。截屏的图片也行。就是不能从文件夹里面复制的读取不到。这个是什么原因，那个规范或者协议限制的吗？...

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

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python - How to populate a square, symmetric DataFrame with elements from a Series based on pair names?

In the following empty DataFrame, which is a square, symmetric matrix, df = pd.DataFrame(np.zeros((6,6)), index=names, ... by for loop, according to the (i,j) rules described?...

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

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javascript - How can I access a functional components state outside the component? - React

For example, if I have the functional component Dropdown that receives data from an api to populate a dropdown ... the arrays assigned to value in the five Dropdown components?...

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

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鼠标无法下滑到页面最底部

前端同事走了，留个烂摊子，js还能稍微搞定，css可把我这后端仔搞懵了，太魔幻了，求各位前端大佬帮忙。页面Body的css如下： #bodyContent{ width: 99%; height: 99%; padding: 10px 5px !important; overflow-y: scroll; max-height: 1024px; }...

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

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golang gorm 自定义预加载正确用法是什么？

// 首页活动模块区域分类表模型 type LabelType struct { Model Id int `json:"id";gorm:"primary_key"` MallId int `json:"mall_id"` Status ... ")} 就会报错 invalid query condition: 0xa6f620 不加这个是可以正常查询的...

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

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声明一个对象obj，用户调用obj.xxx，如何获取xxx的名字？

声明一个对象obj，用户调用obj.xxx，在obj中如何获取xxx的名字？我需要知道用户调用了什么方法...

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

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node.js - Typescript node express router and second argument. Typescript-eslint/no-misused-promises

What should I do with function of registration to fix @typescript-eslint/no-misused-promises. The one way I found how to fix this ... res.status(400).json({ message: err }); } };...

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

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spring - Cucumber: how to start with a specific feature first and then run other features second

I have a spring boot application in which I'm using cucumber. My goal is to start my tests with a specific ... alphabetic ordering, which is the default behavior of cucumber) !...

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

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关于类加载过程中静态常量的赋值

在类加载过程中的准备阶段中，除了对静态变量分配内存并设置零值之外，是不是还要对静态常量进行赋值？此外常量的赋值是在哪个阶段完成的？编译阶段吗?...

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

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javascript - keyCode and which are deprecated - so why is that not working?

According to MDN Web Docs KeyboardEvent and Google Updates KeyboardEvent key and code are implemented while keyCode and which ... sending k key to YouTube for play/pause video....

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

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mysql 不同库数据同步

其他部门同步了数据到我的A库然后想基于这些表做些修改，所以打算再同步一份在我的B库，在B库里进行修改应该用什么方法去做A库同步到B库。谢谢了...

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

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js数组对象去重

let arr = [ { pk:'1', name:'张', age:'13' }, { pk:'2', name:'张', age:'23' }, { pk:'1', name:'张', age:'13' } ] 有什么快捷的方式可以去除数组里一模一样的对象吗？对象1和3是一样的...

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

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179 views

1 answer

dart - Json FIle to Chart on Flutter

I am trying to display data form a Json to a single line chart in a flutter app . I have a drawer where clicking ... .all(8.0), child: myCircularItems("Steps"), ), Padding(...

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

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1 answer

img 标签src赋值实现跨域请求，部分请求在部分移动端浏览器中，无法发出正确的请求

背景实现一个第三方上报的组件，get请求，因为跨域，考虑两种方式实现给img的src赋值请求链接 jsonp，创建script标签，给src属性赋值请求链接问题描述测试发现，在PC端，基本没有问题，跨域请求均能正 ... 不需要第三方配合设置 Access-Control-Allow-Origin的情况话，单纯从前端的角度，如何实现上报请求的跨域呢...

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

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348 views

1 answer

华为鸿蒙OS有没有了解透彻

华为鸿蒙OS出来了，有没有大神了解透彻，是不是真的开天辟地的一个全新系统，而不是网上说的又是一个基于安卓系统开发的第三方OS？还有，因为美国不让华为用芯片，才有了麒麟，不让用安卓系统，才有了鸿蒙，那开发语言呢，美国会不会不让我们使用JAVA等开发语言这些，那怎么搞？...

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

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416 views

1 answer

unit testing - MOQ IFileSystem lots of data sample code needed

I was wondering if there already existed some sample data of a fake/moq filesystem for unit testing? Instead of ... files with different sizes, dates, names, extensions, etc....

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

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202 views

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CSS 3 make circle bottom shadow full

Hello I have a problem with a circle, I want to create a separation effect. I use box-shadow property: box-shadow: 0 1px ... ,css How I can make box-shadow full and left and right?...

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

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c# - Is there a way to set the time format in xamarin.uitest?

I'm testing a time picker and I want to test one time the AM,PM format and one time the 24 hours format, is there a way to set android date format via the xamarin.uitest project ?...

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

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