Recent questions in Technique[技术]

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multithreading - Get the first received value from an iterator of channels in rust

I have an iterator of futures::channel::mpsc::UnboundedReceiver<T>. I want to handle every answer of the receiver, ... <T> is not a future. Playground example is here....

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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table如何固定表头和列

需要实现同时固定表头和列，已经试过的方法有使用三个表，滚动其中一个表时，通过js滚动其他两个表缺点：手机端会有严重的不同步现象，有时还会出现错位使用sticky来实现缺点： ios会有严重的卡顿现象，虽然可以使 ... 动离开屏幕时，sticky元素消失了，滚动停止时又出现有没有解决以上问题的方法？兼容性要求不高，chrome65+，移动端即可...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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关于图表相关数据应该前端处理还是后端处理的问题

问题描述业务需要，现在要实现一个数据可视化页面，将一些固定的数据用二维表格/饼状图/折线图/柱状图等各种不同的方式展示出来后端将相关的几个数据以一个简单的数据结构给我了，表示不关心前端的表格插件，图表插件需要的数据格式，要我自己 ... 个值吗，多处理出来几个数据结构给前端会有哪些方面的顾虑？我想拿着处理好的数据直接展示，是变相的将工作量全部给后端吗？...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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426 views

1 answer

laravel6.18 csrf 报错 CSRF token mismatch

程序中csrf 已经成功加入了，请求头中也有。为什么还是报csrf错误...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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taro 中微信小程序转h5时，TarBar 出现错误？

如图，请问是怎么回事？怎样解决？...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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dart - Soft Keyboard covers TextInput on the SlidingUpPanel flutter

This is the package am using , when I use a TextInput within the panelBuilder it has both the ListView and the ... luck. Below are the screenshots : image one [image two...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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274 views

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java - log4j.xml sends same logs to file and td-agent in different way

How come same logs processed in two ways? The logs which have which are saved as json in a file are ... ":"FelixDispatchQueue"},"process":"isDockerEnv","service":"SPS&quo...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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222 views

1 answer

koa2的request模块内ctx.body不能用

request({ url: 'https://aip.baidubce.com/rest/2.0/face/v3/faceset/user/add?access_token=' + _session, method: "POST", json: true, ... 200) { ctx.body= { code:1 } } else { } });...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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930 views

1 answer

sap cloud platform - Dump HANA Database using "SAP HANA Web-based Development Workbench"

I'd like to get dump of a HANA DB using the browser based "SAP HANA Web-based Development Workbench". I'm ... structure and data as for example a tar-compressed .sql file?...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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201 views

1 answer

java - My settings activity (using shared preferences) is not saving data, it is showing default values only

I am currently working on an android app, for which I created a settings activity. I used shared preferences, but it ... ("notifications", notifications); editor.apply(); } } }...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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564 views

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echarts鼠标悬浮展示图表详情

如图,想要达到的效果是这样, 鼠标悬浮在一个图表基于当前悬停位置展示其他所有图表的详细信息, 我目前是把图表封装成了一个组件但不知道怎么才能达到这样的效果请教一下有处理过这种问题的吗...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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496 views

1 answer

写Python写爬虫，访问一下ajax api，写着非法访问，请问有什么解决思路吗？

这里写着非法请求来源，是不是说明传递的参数和cookie这些都成功了，只是被服务器拦截了？还有遇到这种问题，不用selenium，有什么解决思路吗？盼着大家多多少少说点，一个关键词也行，我自己去查查学习了。...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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265 views

1 answer

javascript - Manipulate JSON from TypeScript

I have the following JSON data. [{'connectionId': 1, 'roomId': 140, 'connectionName': 'Hai'}, {'connectionId': 1, ' ... 140] , 'connectionName': 'hello'} ] How to solving this?...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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374 views

1 answer

关于前端的样式问题

这个东西叫什么啊，不知道从哪里开始查，怎么做呢？...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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722 views

1 answer

kubernetes - How to config k8s nginx ingress controller path?

Firstly, I have these url paths which need to send to the backend services through ingress controller: /api/A/a1[?p1 ... rule so it can both satisfy the two requirements, thanks!...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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286 views

1 answer

javascript - Nested JSON data into Datatable not working

So I have a pretty long (nested) JSON array (I've minified it): { "items" : [ { "track" : { "album" : ... the Datatables (Datatables) and followed it, but it still doesn't work......

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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257 views

1 answer

Why does a segment of code in java produce NaN when running?

So I'm running a segment of code (posted below and it produces a NaN when running (the code I'm running is just producing an ... return((-1*b + Math.sqrt(quadratic)) / 2*a); }...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer

请问这种图是用啥软件画的啊，谢谢

...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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503 views

1 answer

javascript - Facing a problem when I am hitting npm run dev and npm run serve command

After install a fresh Vue cli project when I am hitting npm run serve command then it's showing this type on ... -01-08T17_12_07_143Z-debug.log Can anybody help me to came out...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer

networking - GNU-Make: Remote command with ssh as the shell?

Suppose I want to try the following: SHELL:=ssh virtual-machine # or: SHELL:=ssh virtual-machine bash .PHONY: foo: ... a way to customize the way make executes the SHELL variable?...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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477 views

1 answer

uni-app接入高德地图key一直错误

这个key也配置在了manifest.json中，但是一运行就报错。各位大佬帮帮忙！！...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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426 views

1 answer

java代码规范不允许使用魔法值，那么对于mysql查询中的字段名怎么处理

java编程规范中不允许使用魔法值，那么对于mysql,es查询，是对每个查询条件，查询结果都定义一个po对象吗，还是怎么处理如果每个查询结果都定义一个对象，会不会造成对象非常多如果不定义po对象，使 ... 上面的sql查询，我如果返回map的话，我只能使用map.get("sum_money")取出结果，这里sum_money就是硬编码的魔法值了...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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147 views

1 answer

Matlab code gen build issue & differences between processes on WIN10 and WIN2016 Server Docker Container

I have a Matlab code generation process running on a WIN10 Computer and a WIN2016 Server Docker Container with Desktop Experience ... that cause the issue? How do I remedy that?...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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169 views

1 answer

Flutter module add-to-app调用Android原生抛MissingPluginException？

问题描述创建的Flutter module按照撰写双端平台代码添加到host App中，并且通过MethodChannel调用host App 原生方法失败，抛MissingPluginException异常： No implementation ... 台原生方法返回的值"，但实际上却如开头所述，此时抛MissingPluginException异常 ...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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278 views

1 answer

java - How to make httpclient safe thread when serval requset call the execute at the same time?

I define the httpclient like this way,when serval requset call the execute method,I find that some method retuslt ... out.println(EntityUtils.toString(response.getEntity())); } }...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

nodejs 官网怎么了？

是发生了什么，有什么运动么？...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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529 views

1 answer

在pycharm上我想清除console变量区里的全部变量，我在网上找的是reset命令，但是我用了报错

我在网上找的是reset命令，但是我用了报错，说未定义reset 但是对于清除console上的单个变量的命令del就能正常执行，请问这是什么原因？请各位大神帮忙解答，谢谢！ ===== 我加了括号后依然无法调用命令，请问会不会是有哪个库没有安装好？...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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578 views

1 answer

react-native 集成友盟如何上传自定义异常？

我想把JS错误日志上传到友盟，请问如何做到呢？官方文档： https://developer.umeng.com/d......

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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