Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Login
Remember
Register
Ask
Q&A
All Activity
Hot!
Unanswered
Tags
Users
Ask a Question
Recent
Hot!
Most votes
Most answers
Most views
Ask a Question
Categories
All categories
Topic[话题] (13)
Life[生活] (4)
Technique[技术] (2.1m)
Idea[创意] (3)
Jobs[工作] (2)
Others[杂七杂八] (18)
Code Example[编程示例] (0)
Recent questions
0
votes
252
views
1
answer
python - Flask heroku deployment results in an application error
I am trying to deploy my Rest Api to the web using heroku. But whenever i tried it i result in an application ... 18.183" dyno= connect= service= status=503 bytes= protocol=https...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
507
views
1
answer
vim 中查找不以 ab 结尾的行
我用的是 /[^a][^b]$,但 [^b] 似乎没起作用:只要一行倒数第 2 个字符是 a,就没有被 vim 匹配——我的正则出了什么问题?...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
vim
0
votes
506
views
1
answer
vue keep-alive的组件切换时慢和卡顿
问题: 当没给vue keep-alive的include没有任何数据的时候,切换route非常的顺畅,但一旦加入几个组件的名称时切换就开始卡顿,甚至移除清空include也不能恢复。有谁遇到过或者有解决方案的可以分享指导下吗?谢谢。...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
vue
0
votes
175
views
1
answer
有没有这样的react插件
可以画多边形组织图的这种...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
364
views
1
answer
Problem with require while making a Ruby telegram bot
I was doing a code in the app "Atom" and when I tried to run this code require 'telegram_bot' token = 'MY_TOKEN' bot = ... I started Ruby like 3 weeks ago, so I am not an expert...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Problem
0
votes
596
views
1
answer
vue_element 的el-table,有可以导出表格的框架吗,要求可以合并单元格和计算总和
如图, 1.可以从el-table的数组导出表格并且按照如图部门分成几个excel(如客户一部、客户二部、客户三部、客户一部上海客户部、媒介部) 2.可以自动合并每个部门中客户名称相同的客户名称,并计算合同金额总和~~~~ 求大佬支援...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
vue_element
0
votes
229
views
1
answer
python - How combine sentences based on words
I have a dataset consisting of words and tags columns. I want to add a sentence column where each word within 1 sentence ... (dataset.head()) output : i wanna make like this :...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
173
views
1
answer
react.js如何引入cordova
在react中,非react-native,如何引入cordova,实现扫码功能...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
363
views
1
answer
react一直提示自定位的点击事件未定义?
定义了一个无状态组件 import React,{useState} from 'react'; import { Image } from 'antd'; import { useHistory } from 'react-router-dom'; import "./ ... 一下说 是babel支持的问题 需要改写配置文件 不知道这个地方要怎么改?...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
626
views
1
answer
Debezium, Kafka connect: is there a way to send only payload and not schema?
I have an outbox postgresql table and debezium connector in kafka connect that creates kafka messages based on the ... any way to achieve this without creating custom transformer?...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Debezium
0
votes
177
views
1
answer
element table 组件列无法自动撑开
系统用到了 element 的 table 组件,发现一个问题,假设表格有5列,有4列都比较窄,有一个“描述”内容比较长,于是我对该列设置 show-overflow-tooltip 属性,发现其他的4列都占用了很宽的位置,而该列却没有自动撑开,而是显示 tooltip 效果,该怎么实现这种自动撑开的效果呢?...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
element
0
votes
386
views
1
answer
apache spark - Date format in Pyspark Dataframe
My data: [Row(ID=2887628, Date_Time='11/01/2019 05:00:00 PM'), My code: from pyspark.sql import functions as F df ... : [Row(ID=2887628, Date_Time=None), What's the problem here?...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
apache
0
votes
338
views
1
answer
有偿解决vue在ie下空白的问题,可私信我加联系方式
不管是ie几8-11都是空白,控制台不报错,还有别说babel-polyfill了,网上一查全是这玩意,早装了,也配置了,没用,线上,本地,都是空白...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
190
views
1
answer
javascript - how to put hello component under navbar? particles taking whole screen
I dont know why particles is taking the whole screen, I cant put that hello text right under the navbar. Here's code for this ... ,0.8981967787114846) 0%, rgba(0,16,92,1) 100%); }...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
352
views
1
answer
html背景图平铺,并且下边无限延伸
这张背景平铺并无限向下延伸...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
612
views
1
answer
vue :style 动态绑定style,但是同页面中只要访问接口为什么就会刷新一次?
<div v-for="count in 8" :key="count" :style="{ backgroundColor: 'rgb(' + Math.floor(Math.random() * 256) + ',' + Math.floor(Math.random() ... 没有解决方法,拜谢~(别的代码块使用tabs标签页切换一次也会更换一次颜色)...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
vue
0
votes
323
views
1
answer
Angular8 rxjs 过滤数据基础问题
想取出有parentProjectId的数据,line1 输出如下数据,line2 undefined . 该如何写? this.projectChildAll.subscribe((v: ProjectsChild) => ... .parentProjectId)).subscribe(v => console.log(v)) //line2...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Angular8
0
votes
380
views
1
answer
js 如何把这种对象里的modules里的内容放进新的一个对象里
我需要将这个对象里的modules里的内容,全部提取出来,然后放进一个新的对象里,在这里先谢谢各位大哥大姐的解答了,小弟我表达问题可能比较不清晰,如果大神们因为我表达不清晰有没懂得地方请问一下我我在努力解答! ... } console.log('rowsu',rowsu) 这样子写最终效果是 我需要的效果是这13个数据都在一个对象里,没有分012这样子...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
js
0
votes
348
views
1
answer
CLI 应用,对于较复杂的用户定义逻辑,如何处理更优?
场景:爬取小说 完整代码:https://github.com/ForkFG/Ter... fetch: async(page) => { page = page ?? args[1] if (!page) Err("fetch: Page can't be null ... 所需 PPPS 如问题沉底而无人回答,本人将甚感痛心;如能赏我星星一颗,则不胜感激...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
CLI
0
votes
908
views
1
answer
CompletableFuture 中 thenApplyAsync 和 thenComposeAsync的区别
RT,最好可以有代码,感谢...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
297
views
1
answer
请求接口时 时间GMT会变为UTC
如题,请求接口时 时间GMT会变为UTC...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
请求接口时
0
votes
450
views
1
answer
vue的hash模式的首页,可以用nginx去掉#/index吗
最近在做一个项目,想在域名www.***.com直接显示首页,并且输入www.***.com以后直接显示首页,url不会变成www.***.com/#/index之类的。...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
491
views
1
answer
python - I get a Syntax Error trying to print variables
I am quite new to python (to coding in general). I use Spyder 4.2.1 (Python 3.7.9 64-bit | Qt ... (cid) return coords cid = fig.canvas.mpl_connect('button_press_event', onclick)...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
591
views
1
answer
请问这种动画效果用CSS该怎么做?
如题,不涉及js的话觉得不好做啊 上传的图片看着不怎么清晰,也就是鼠标放上去的时候有一条线围绕矩形走一圈,鼠标离开后就会退回到原点。...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
775
views
1
answer
请问这个波浪效果是怎样实现的呢?有哪些方法可以实现类似的效果吗?
如图: 网址: http://www.clevermama.com.cn/blank23.html...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
614
views
1
answer
ios - How to combine Swift code(class) with Objective-C?
I made a project with Swift code which was included with CollectionView and a swift class, ... = interSectionRect.height/cellFrameInSuper.height return percentOfIntersection } }...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ios
0
votes
921
views
1
answer
宿主机映射到容器内的文件夹如何删除
创建集群容器,宿主机映射路径./Cluster/server1/P1-node1到数据节点容器内部,在数据节点容器内创建数据库并存入文件,会在宿主机对应路径上生成一些文件比如./Cluster/server1/P1-agent/ ... batchJobs的创建用户改为创建容器的那个? 或者说,这个跟dolphindb没有关系,是docker这个层面的事情?...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
651
views
1
answer
sql server - T-sql count number of times a week on rows with date interval
If you have table like this: Name Data type UserID INT StartDate DATETIME EndDate DATETIME...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
sql
Page:
« prev
1
2
3
4
5
6
7
...
715
next »
Ask a question:
Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question
Just Browsing Browsing
[1] 原生JS根据JSON数据生成树形图
[2] How to compare two fields in the same table to see if they match, don't match, or both NULL in SQL with Group By?
[3] c# - Passing interfaces instead of concrete classes into @ChildContent's [CascadingParameter] using
in blazor
[4] gazetteer function not in pip installed pandas_dedupe python library
[5] git tag --sort=taggerdate 和gitlab中显示的不一样
[6] python - How do I web scrape a website behind a login?
[7] redis - Will lettuce resend AUTH after reconnecting?
[8] js俄罗斯方块
[9] python实现进程定时执行
[10] nlp - Identifying synonymous rows of a text column in a dataframe using R
2.1m
questions
2.1m
answers
60
comments
56.8k
users
Most popular tags
javascript
python
c#
java
How
android
c++
php
ios
html
sql
r
c
node.js
.net
iphone
asp.net
css
reactjs
jquery
ruby
What
Android
objective
mysql
linux
Is
git
Python
windows
Why
regex
angular
swift
amazon
excel
algorithm
macos
Java
visual
how
bash
Can
multithreading
PHP
Using
scala
angularjs
typescript
apache
spring
performance
postgresql
database
flutter
json
rust
arrays
C#
dart
vba
django
wpf
xml
vue.js
In
go
Get
google
jQuery
xcode
jsf
http
Google
mongodb
string
shell
oop
powershell
SQL
C++
security
assembly
docker
Javascript
Android:
Does
haskell
Convert
azure
debugging
delphi
vb.net
Spring
datetime
pandas
oracle
math
Django
联盟问答网站-Union QA website
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
DevDocs API Documentations
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
在这了问答社区
DevDocs API Documentations
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
DevDocs API Documentations
广告位招租
Recent questions
...