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
452
views
1
answer
javascript - Webpack dev server writeToDisk giving different result from serving without writing to disk
I'm currently developing an application (single-spa) which uses the output from a different webpack bundled application. The ... memory webpack-dev-server and how can I inspect it?...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
524
views
1
answer
html自带的拍摄控件如何解决不高清问题
我买的高清仪设备需要做拍摄上传的功能,这个设备本身拍照是非常清楚的,但是通过html的控件拍摄就特别模糊,是控件本身的问题,还是我代码不规范? navigator.mediaDevices .getUserMedia ... }) .catch(function(error) { return Toastr.error('抱歉,设备连接有误'); });...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
333
views
1
answer
Ant to Gradle Build Project - Help/Assistance Needed
Nice to be in this channel. I have a specific need that I'm hoping some of you might be able to help with. We ... then I would really appreciate an intro. Thanks in advance, John....
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Ant
0
votes
424
views
1
answer
问个系统集成方面的问题【智能电视机】
客户有个需求: 一个菜市场中有不同的摊位,需要给每个摊位安装一台显示器来显示当前摊位的经营户信息与商品价格(初步考虑使用智能电视机来充当显示器) 这些电视机通过WIFI链接到市场中的无线网络,每台电视机开机后直接启动系统自带的浏览器并访 ... 不适用电视机,适用集成微型电脑的显示器(其实就是一体机) 可行吗? 3.除了上面的解决方案,还有其他的解决办法吗?...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
591
views
1
answer
vue添加的监听事件无法移除
vue里面用了keep-alive缓存 在A页面添加了一个滚动监听window.addEventListener('scroll'()=>{}) 因为用了缓存,beforeDestroy(),destroyed(),这两个方法就用不了 然后我在app.vue里面写了个监听 ... {}) 然后测试了一下,发现取消监听没反应,有没有大神知道怎么做?望指教一下...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
573
views
1
answer
若依项目报错deviceUser:1 Uncaught SyntaxError: Unexpected end of input
使用的若依和bootstrap和layui做的后台系统。 不知道什么原因。点击【睡眠报告】那一栏下面的超链接。无法跳转。点一下就报错。 我的思路是: 我想有可能是网址无法识别。想把斜杠转义一下。结果还是不行。 请大佬帮忙看看 如图: 改成这样的话:点都点不动了...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
若依项目报错deviceUser:1
0
votes
904
views
1
answer
js 实现向树结构添加节点
`如下数据: data = [ { id: 1, date: '2016-05-02', name: '王小虎', address: '上海市普陀区金沙江路 1518 弄' }, { id: 2, date: '2016-05- ... 的数据],再次添加我就push,如果我下次给children里面的元素添加节点,就继续创建children,以此类推 `...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
js
0
votes
998
views
1
answer
closures - Retain cycle in swift
I'd like to ask if retain cycle happens in this situation: class TeamMember { var closure: (() -> ())? func method(closure ... cycle is there. How i can check is it deinit or not?...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
closures
0
votes
1.1k
views
1
answer
Python idle运行requests模块会报验证错误
简单的引入requets模块 import requests requests.get('https://baidu.compile') 以IDLE执行就会报如下错误, 但是在自带终端中执行就没有任何问题. 环境版本: windows10 python3.9...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Python
0
votes
1.0k
views
1
answer
Hex和Escape编码中对应的十六进制数字的实质是什么?
例如: “我”的utf-8编码的Hex:'xe6x88x91' “我”的Unicode-Escape:'u6211' E68891和6211这两个十六进制数的实质是什么,E68891是和栈中的三个字节完全对应的吗?那6211又是什么? 以及,他们之间怎么相互转换?(转换规则,不是用工具转)...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
1.1k
views
1
answer
r - make 'week' function biweek
Hi all this should be a straightforward question, I just can't seem to figure it out. I would like to break up this ... 1125, class = "data.frame") weeknumber<-week(timestamps(DF))...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
1.2k
views
1
answer
It's possible to set HTTP headers with htaccess?
i have website on PHP and i wont to know how to set this HTTP headers: Last-Modified If-Modified-Since Cache-Control ETag For ... YES, how to make it? Thank you so much on advise!...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
It's
0
votes
1.2k
views
1
answer
在android 设备上,video.js上蒙层无法显示?应该怎么修改?
在android 设备上,video.js上蒙层无法显示?微信中是可以展示出来的? player = videojs('my-video', { controls: true, // 是否显示控制条 // poster ... 'center', 'justify-content': 'center', 'cursor': 'pointer' }) } })...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
在android
0
votes
1.3k
views
1
answer
Redefinition of Spartacus components
I try to understand how to work with components and do not break back capability of components to have possibility get ... please send me maybe some links where to read it?...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Redefinition
0
votes
1.4k
views
1
answer
nodejs环境使用axios,如何去掉referer?
ps. 是在nodejs环境中使用axios哦,不是浏览器环境 原来一直在使用的request停止维护了,改用axios,但是现在发现axios会自动在headers里加上referer和host,请问如何让它不加上这 ... -ignore decompress: false, headers: { // 指定请求头 referer: '', },})...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
1.3k
views
1
answer
SpringSecurity 自动注入dao出现 NPE如何解决?
### 问题描述 如题:SpringSecurity 自动注入dao出现 NPE,经过大量查找资料后意识到问题的原因为SpringSecurity是基于filter,而filter的初始化在自动bean初始化之前,所以 ... https://blog.csdn.net/ycf9212... https://blog.csdn.net/u013062......
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
SpringSecurity
0
votes
1.5k
views
1
answer
infosphere spl - "HSTS missing from HTTPS servers" reported on Streams servers. What is its impact on client's data?
Recently my project's security OPs reported a vulnerability "HSTS missing from HTTPS server" on streams servers. The application is on cloud....
asked
Jan 25, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
infosphere
0
votes
1.6k
views
1
answer
swift - MapView not working when its embed in Navigation View
Location permission Request is not showing nor user location on map when i use navigation view and navigation Link to go to ... locations: [CLLocation]) { print("Location") } }...
asked
Jan 25, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
swift
0
votes
1.5k
views
1
answer
python - Numpy matrix multiplication gives slightly different result in multiprocessing pool
I want to compute the numerical gradient of a function in parallel. However, I realized that evaluating my function in a ... ] language = c define_macros = [('HAVE_CBLAS', None)]...
asked
Jan 25, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
1.5k
views
1
answer
请教安卓照片私有云备份方案?
自己有台阿里服务器,我想用来做网盘用,类似百度网盘那样,可以传文件和备份手机文件,请问需要什么软件可以做到?...
asked
Jan 25, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
1.4k
views
1
answer
IE 浏览器下 match 方法报错
遇到一个字符串使用 match 正则比配的问题。 ` let reg = /(?<={{2}).*?(?=}{2})/g; let res = '{{abc}}'.match(reg); ` chrome 浏览器运行正常,IE 浏览器会报 Unexpected quantifier 看网上解释说是最好 避免在字符串方法中使用预匹配正则。...
asked
Jan 25, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
IE
0
votes
1.5k
views
1
answer
汇编语言绘图在bochs虚拟机上正常但在Windows上就会黑屏该如何解决?具体内容如下。
要求用汇编语言绘制一个彩色三角形,现在基本功能已经完成并且在tpc-usb集成开发环境用masm611编译器+bochs虚拟机实现功能,但是现在同样的代码到windowxp系统下用masm615编译并运行后就会黑屏但不 ... 260 jbe l16 ;画实心直角等腰三角形 .exit end 用bochs正常编译结果 用windows2000虚拟机就会黑屏...
asked
Jan 25, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
1.4k
views
1
answer
<router-link>只能在App.vue使用吗?
<route-link>只能在App.vue使用吗? import router from './router' new Vue({ router}) 我在main.js里已经挂载了 可是在其他页面使用的时 ... read property 'resolve' of undefined" found in ---> <RouterLink> <Root>...
asked
Jan 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
1.7k
views
1
answer
reactjs - Why do I get Undefined
I have this code: import React, {Component} from 'react'; import {connect} from 'react-redux'; import {compose} from "redux ... component but here it fails and I don't know why......
asked
Jan 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
reactjs
0
votes
1.4k
views
1
answer
python - Why am I presented with an IndexError and what ways can I make this code more succinct
so I'm struggling to complete a coding challenge in CodeWars, and I received an IndexError on CodeWars. When I run the ... (number_test), "")``` Any help would be appreciated!...
asked
Jan 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
1.9k
views
1
answer
Firebase Authentication : is there any limits in sign in with google options
is there any limits on firebase Authentication with google sign in. if yes how many gmail's can i authenticate per day...
asked
Jan 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Firebase
0
votes
1.6k
views
1
answer
VBA如何判断当前页数?
如题,想要根据当前页数判断奇数则加一页,偶数不加,要如何实现?...
asked
Jan 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
1.6k
views
1
answer
python - Best parameters of an Optuna multi-objective optimization
When performing a single-objective optimization with Optuna, the best parameters of the study are accessible using: ... the best parameters for a multi-objective optimization ?...
asked
Jan 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
Page:
1
2
3
4
5
6
...
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] 如何用java实现如下功能
[2] 使用vue-cli建了vue3.0+ts的包,vscode中.vue文件没有ts的语法提示,但.ts文件可以
[3] 社交平台消息通知设置?求思路
[4] c# - Error converting nvarchar to data type int
[5] JavaScript对象是引用类型,那怎么查看他的地址值呢
[6] 【编程进阶】算法 — 递归删除指定层级
[7] docusignapextoolkit - Docusign Apextoolkit - Envelope sent does not show under DocuSign Status related list
[8] git 修改某个commit 内容
[9] let c=(b=a)的意思是啥
[10] vue项目本地测试的时候请求都没有问题,但是发布测试版的时候get请求的请求方式不见了,无法发送请求。
2.1m
questions
2.1m
answers
34
comments
48.6k
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
google
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
jQuery
xcode
jsf
http
Google
mongodb
string
shell
oop
powershell
SQL
C++
security
assembly
docker
Javascript
Android:
Does
haskell
web
Convert
azure
debugging
delphi
vb.net
Spring
datetime
pandas
oracle
math
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
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
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
Recent questions
...