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使用<el-time-picker is-range>组件，期望是显示的时间选择是23:00 - 06:00，但是最后出来的效果是在第一个时间选择框那里才能选择6点之前的选择，而且选择了之后就变成了05:00 - 23:00，我想问一下有办法解决吗？...

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

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r - ifelse merge and merge without duplicate columns

I have the following data frames #Data to be matched Data <- data.frame( Register = c(141 ,565, 1411, 141, 230, ... to work with. edit: Added the "Gender" column in the dataframe...

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

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pip install dolphindb一直提示找不到

为什么一直找不到,其它电脑可以正常安装. ERROR: Could not find a version that satisfies the requirement dolphindb (from versions: none) ERROR: No matching distribution found for dolphindb...

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

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node.js - How to clear the error while installing @ngrx/store?

This is the error I'm getting while installing @ngrx/store. Can anyone help to resolve this error ... ! C:UsersWelcomeAppDataLocal pm-cache\_logs2021-01-12T15_07_10_434Z-debug.log...

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

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python - Pandas dataframe: split long regex into multiple lines

I'm using Pandas for some data cleanup, and I have a very long regex which I would like to split into multiple lines. The ... SWC, RAN CSG, PF 12240-12252, RR (ADDED INFO) Thanks!...

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

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UWP-based WebRTC Client support

I want to develop a WebRTC service. Remote classroom One teacher and several students attend the class. Share each other's ... am very sorry that this is not a technical question....

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

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npm 全局安装出错 windows10

我的node是用nvm安装的，用户下的npmrc配置文件如下 prefix=F:Programfiles odejs ode_modules pm registry=https://registry.npm.taobao.org 在用nvm切换后的那个node目录下 ... . 以上命令操作均在目录F:draftdemo06下进行的，前端小白，求大神解救...

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

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spring oauth2 授权服务器和资源服务器可以在同一个包，怎么配置表单登录？

如题：配置以下注解后，在配置表单登录出现404。但配置httpBasic登录时，可以正常登录。...

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

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php7.2的时区时间和网上对不上，是不是php7的时区有错误？

我将时区设置为斐济的时区 date_default_timezone_set('Pacific/Fiji'); echo date('H:i',time()); 但我电脑上显示的是21:03 （暂未进入夏令时）从某些网站上查的是20:03 （已执行夏令时）这是怎么回事？有懂这一块的吗？哪个时间是正确的？如果是php的错了，我需要怎么调才能调整对？...

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

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sparql - How to get the directly linked movie through wikiPageWikiLink in DBpedia?

Before 12 days the below sparql query was working properly but when Dbpedia update the interface of the website in 2021 ... that are directly linked to specific movie? Thank you....

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

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python - Set values of pandas df cell based on conditions

My df is as follows: What I want to do is, Condition: Fruit Name is NOT (Apple or Mango) and veggie Name== No ... so as follows It sets NaN to other cells What am I missing?...

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

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javascript - Why emitter @current-items not working for v-data-table?

I want to console.log visible items in table but @current-items emitter not working, please help me to figure ... -scroll:[scrollTarget]="onScroll" @current-items="currentItems" >...

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

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Force an error in gunicorn to test logging

I am running django+gunicorn and I have added errorlog='/var/log/gunicorn.log' to my conf.py. I'd like to force an ... gunicorn and django, so I apologize if it's a no-brainer....

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

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使用mpvue+vant编写一个小例子，toast报错，不知为什么

引入其它的组件是好的，涉及到js就出问题。也按照一些网上的一些经验做了，但是没用路径什么的都没错，我无解了小程序编译工具我也打开ES6转ES5、使用npm模块。望各位老哥看看...

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

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637 views

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u boot - Combining uboot and Linux Kernel Image and deploying to Target Device without File System

I have a compiled linux kernel in the form of uImage for the target device I also have uboot image for the target device. ... device? Why do I need a buildroot to do that for me?...

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

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请问一下 typescript 可以做到限定传入的参数为几个常量中的一个？

请问一下 typescript 可以做到限定传入的参数为几个常量中的一个？比如希望传入的参数size是'L','M','S'中的一个...

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

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2.5k views

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JWT中token过期问题？

使用JWT生成token后为token设置一个过期时间（假设为30分钟）并且存在redis中，等到30分钟之后token会过期。但是如果我一直在浏览网站，那么30分钟之后token就不应该过期（过期之后就需要重新登录，这样逻辑很奇怪）。请问一下这样该怎么设计呢？...

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

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428 views

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msyql 连表查询怎么去重

MySQL 连表查询的时候，一对多的关系，怎么去重呢...

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

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3.6k views

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c# - Moving in a grid with certain number of steps - Unity GameDev

I built a 3D Chess game which works flawlessly. But I would like to make some changes to the movement. The ... a picture to demonstrate the movement. enter image description here...

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

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redis cluster连接问题

最近在学redis, 有个疑问? 假如3主3从的redis分布式集群, 程序连接哪一个redis主实例(3个)? 假设连接 a机器ip:6379 , 如果它宕机了切换到 b的6379 怎么办? 望各位请教......

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

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3.3k views

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vue达到什么水平才能封装组件库？

看element和bootstrap-vue封装一个dropdown组件能写好几个js文件，不就给body添加一个click事件然后判断点击的元素是不是dropdown，不是就关闭菜单，为什么他们能写这么多呢？是我水平不够？...

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

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3.3k views

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一个前端标签问题

https://gongshang.mingluji.com/beijing/name/朗乐迅洁（北京）科技有限责任公司 https://gongshang.mingluji.com/beijing/name/硕链科技有限公司感觉每个注册资金的标签都不一样啊，这种怎么提取"资金" 标签呢？...

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

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4.1k views

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友盟集成: 'RNUMConfigure.h' file not found

参考文档： https://developer.umeng.com/d... 运行后报错： 'RNUMConfigure.h' file not found 请问这是哪里出了问题呢？...

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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DolphinDB的数据回放功能和流计算引擎在多机集群中如何实现资源的高效利用

请问DolphinDB的数据回放功能和流计算引擎在多机集群中如何实现资源的高效利用？目前似乎replay和流数据表的订阅和聚合计算只能由指定节点运行，那这样的话，部署在集群其它节点的算力如何不被浪费？...

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

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4.3k views

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Rabbitmq deployment using helm umbrella chart and rabbitmq operator with kubernetes

I am trying to deploy to a kubernetes cluster an umbrella chart that contains the rabbitmq operator + rabbitmq. So in total ... uninstall is run or am I barking up the wrong tree?...

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

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3.9k views

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python - Unable to click dropdown when using selenium

I am using selenium to help download files. I run into an issue where I cannot click on this dropdown menu. I ... advance for all of the help! Just getting started with python....

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

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How to handle microphone sound level update event in gnome extensions?

I have certain global shortcuts to update the microphone sound input level. Therefore, I was creating a gnome ... gnome extensions, so a detailed explanation might be helpful....

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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idea写javascript的显示问题

接了个陈年老项目，前后端没分离，只能用idea写前端，难受啊，一堆问题，求助大家。 1、es6语法不支持 2、变量都高亮了，怎么去掉？ 3、这种提示是什么东西？怎么去掉？ 4、还有个题外问题，搜狗快捷键冲突了，但可能因为公司限制，无法直接在界面修改搜狗输入法快捷键，能直接在哪个配置文件里改吗？求助大家！...

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

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