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1.1k views

1 answer

云服务器中部署了一个项目，但是其中有一个socket.io需要持续发送，但是打开【检查-网络】查看的时候，连接都是fail掉的（fali，400,502等）在spring boot的 ... ); } catch (InterruptedException e) { e.printStackTrace(); } server.stop(); }...

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

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956 views

1 answer

slot?里面?改了值，子组件里?为什么不响应？[急，在线等]

这种写法，?这些参数，??slot?里面?改了值，refresh子组件里?为什么不响应，没变化？下面这样写，也不行。...

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

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1.2k views

1 answer

VUE里面一些符号的疑问

<NoteSidebar @update:notes="val=>notes=val"></NoteSidebar> 上面代码@update:notes="val=>notes=val"这句话是什么意思？这...

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

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1.1k views

1 answer

如何使二级菜单被点击时不响应slideUp动画，即仅在点击一级菜单时响应动画？

<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>多级菜单</title> <style type="text/css"> *{margin: 0;padding: 0;} .nav { list ... 冒泡影响的，但是取消后还是老样子，求教各位 --> </body> </html>...

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

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1.3k views

1 answer

Is it possible to activate and deactivate Gradle projects similarly to Maven modules via profiles?

The application landscape consists of several domains with dozens of projects (Maven modules) which can be turned on or off ... and there is no UI support for such custom steps....

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

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1.4k views

1 answer

json - Kibana7 -Visualize - divide aggregated metrics to a new custom metric

I'm looking for a way to divide aggregated metrics to a new custom metric. An example for a table I want to have ... columns from the example) and show it on the Visualize page....

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

0 votes

1.2k views

1 answer

node.js - Unplugging serial device causes error 'bad file descriptor'; reinitialising the serial port ends up receiving inconsistent data

The following node.js script scans all ports for a custom FTDI device and once the device is found, it checks its serial ... be glad if someone could help me out here. Thank you....

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

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2.0k views

1 answer

How to integrate referral code in webflow

How to integrate referral code in web flow? can anyone help with this? what extension/plugin can we use in this....

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

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1.8k views

1 answer

Multi filter in Excel Formula

Here is what I am looking to do. I have a data list with Supervisor/Agent/Script. the formula I am trying to build ... this in VBA easily but the ask is for a formula. Thanks!...

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

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2.1k views

1 answer

vue怎么将富文本里面的图片拼接上域名呢？

怎么将富文本里面的图片拼接上域名，正则不太会使用...

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

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2.3k views

1 answer

只有package-lock.json怎么生成node_modules

项目是客户的，我也没法找回package.json 直接执行npm install会失败执行npm ci也不行难道要新建个package.json然后一条条抽取依赖到package.json中？有类似的工具吗...

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

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2.8k views

1 answer

api - cz.msebera.android.httpclient.client.HttpResponseException:

I face this problem and I don't know how to solve it here is my code: "cz.msebera.android.httpclient.client. ... the API I tested it in postman and it's working well...

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

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2.5k views

1 answer

我不能理解redux无法处理异步状态这个说法

我的理解是，redux-thunk或redux-saga的出现只是为了把异步业务代码从组件剥离，而并非解决redux无法处理异步状态问题的把？纯redux使用中，完全可以在useEffect调用接口，并在回调函数中dispatch同步 ... 和redux-thunk类似，只不过用的是generater函数而已我想请教一下，我这么理解有什么问题吗？...

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

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2.9k views

1 answer

Show a floating layout on top of a fragment in android

I have screen with Bottom Navigation View. Now the middle button of the Bottom Navigation view should display a ... "0dp" android:layout_weight="7" android:gravity="center">...

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

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3.9k views

1 answer

Airflow dag and task decorator in 2.0: how to pass config params to task?

I'm struggling to understand how to read DAG config parameters inside a task using Airflow 2.0 dag and task decorators. ... pass 2 parameters to dag and want task1 to see them....

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

0 votes

3.9k views

1 answer

负数时间戳日期转换问题

使用 mysql 提取数据时,遇到一个问题:负时间戳无法通过FROM_UNIXTIME 方法转化成正常的日期: FROM_UNIXTIME(-2641363543) Null 这个时间戳对应的正确的日期其实是: 1886-04-20 00:00:00,我搜索了一下, ... 他们都可以转换成正确值,我就不知道是怎么实现的,另外上面这种转化逻辑的问题是在哪呢?...

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

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3.7k views

1 answer

vue+element多选表格在触发select-all的时候怎么获取取消选中的行?

element中多选表格使用select-all方法,想获取取消选中时的行数据,但是API的参数只提供了selection，即选中的行，取消的时候selection就变为空了这个时候没办法知道取消行我想要获取取消选中的那些值应该要怎么办...

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

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3.6k views

1 answer

Promise then catch 的使用问题

...

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

0 votes

3.7k views

1 answer

我电脑的github 突然进不去了谷歌浏览器其他浏览器可以

...

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

0 votes

4.0k views

1 answer

antd Select组件 mode='multiple' 点开后选择一个，浮层关闭了，想再次选择还得再次点击打开

怎么实现antd官网Select组件的默认交互效果，打开一次，可以多个选择，点点点，而不是点完一个就关了。...

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

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4.5k views

1 answer

vue.js - Vue router nav has gap when scrollable on one page application v-navigation-drawer

gap at bottom of nav Any advice would be helpful to make this side nav remove the gap at the bottom of the v- ... -variant="miniVariant" :clipped="clipped" fixed app > </template>...

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

0 votes

3.8k views

1 answer

arrays - Tricky Data Structures and Algorithm Problem

I am stuck on this one problem for over 2 days from a contest NOTE: THE CONTEST IS ALREADY OVER. IT IS QUESTION 4 ... . For any other info or query please mention me in the comment...

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

0 votes

3.8k views

1 answer

c# - Show xml result of WebSerive in DataGridView

I write an application that checks serial number history with Windows From with my company web-service. The results returned from the ... .Text = "Serial: " + SerialNumber; })); }...

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

0 votes

4.7k views

1 answer

java - Files.move(...) throwing FileSystemException: The process cannot access the file be cause it is being used by another process

private File moveFileTo(File usageFile, File target) { File movedFile = new File(target.getPath() + File.separator + usageFile. ... in a try-with-resources and now it works :D....

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

0 votes

4.5k views

1 answer

python - How to compute auc score manually without using sklearn?

I want to compute auc_score with out using sklearn. I have a csv file with 2 columns (actual,predicted(probability)) ... better/any way to compute auc score with out using sklearn....

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

0 votes

4.1k views

1 answer

networkx绘图节点标签文字超出画布范围

如图所示，该如何解决，网上搜了好多方法，都不行，想把文字显示全...

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

0 votes

4.1k views

1 answer

How can I add more trees to a random forest in R

Is there a canonical way to iteratively add trees to a random forest? Let's say I am using the caret package and I ... to continue adding trees to it, how would I go about that?...

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

0 votes

3.0k views

1 answer

js渲染带查询树（13万条数据）性能优化有什么可行方案

老哥们，现在有个需求，大概有十三万条树结构数据，要渲染在前端，一波给的，前端自己做搜索，有啥方案没有...

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

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