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
897
views
1
answer
微信小程序怎么科大讯飞AIUI平台webapi接口,我请求了,但是请求不回来数据
是我的代码有什么问题吗,还是方式不对呢 请求成功了,但是返回不出数据...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
1.1k
views
1
answer
el-checkbox border 能否实现根据label的实际长度而调整外层线框的的长度
一般我之前实现都是固定一个合适的长度130px左右,但是我现在想要做到让el-checkbox中的整个框能随着label实际长度的变化而变化,下面是效果对比图. 正常条件下: 但是现在label中的字一多就会这样: 能比较直观的看到里面的label直接就跳出去了, 有什么办法可以让整个线框随着label的变化而变化啊? 前端小白在这里等大佬回答....
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
el-checkbox
0
votes
886
views
1
answer
Java better way to delete file if exists
We need to call file.exists() before file.delete() before we can delete a file E.g. File file = ...; if (file. ... that we not need to copy our utils file in every other project....
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
Java
0
votes
1.1k
views
1
answer
linux - futurebuilder has no instance in in flutter
body: FutureBuilder( future: taskList, builder: (context, snapshot) { if (!snapshot.hasData) { return Center( child: ... (length:2) of '_GrowableList' Tried calling: call(0)...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
linux
0
votes
1.9k
views
1
answer
python - I added a line of code to my block, although the answer I get is correct I don't understand what that simple line does
Hi so the question I completed involves while loops and although I finished it and got the expected outcome, I added a ... return the sum of the number I inputted before the zero...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
1.2k
views
1
answer
在这能有机会得到一个前端大师成为我的mentor吗
没有具体的问题. 之前学习过Vue,能写一些页面了. 因目前在学习React,因项目时间紧.想快速学习进入状态. 但是有一些概念性问题 或者逻辑的理解不是到位. 如果每个问题拿出来问问题,又显得太琐碎. 同时对前端这些还是挺感兴趣的.所以未来还有不少问题和困难. 希望在这能找一位mentor. 可能你的三言二语就能帮助我尽快入门. 哪位兄弟姐妹可以帮忙吗?...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
2.0k
views
1
answer
SAS ERROR: Subquery evaluated to more than one row - SQL query
I'm building a results table and need to do two subqueries to calculate some KPI's. When running the code without ... t1 WHERE t1.INFORCE_P=1 GROUP BY t1.TRAMO_CAP_FINAL; QUIT;...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
SAS
0
votes
1.8k
views
1
answer
java - Builder pattern vs encapsulation of a data
How should I retain Encapsulation Principle of OOP, when using builder pattern? I mean fact that builder should provide abstraction ... what do I know)? How I should do that?...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
java
0
votes
1.8k
views
1
answer
vue初学,无法获取scope中数据
<template> <div class='user-table-root'> <!--表单添加--> <el-button type="success" @click="addListRow()" round>添加行信 ... >{{scope.row.MROCardName}}</div> </template></el-table-column>...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
2.2k
views
1
answer
android 悬浮窗如何获取剪切板内容
Android10,软件退到后台,出现悬浮窗,点击悬浮窗获取剪切板内容就获取不到,如果在软件内点击悬浮窗,就能获取到剪切板内容,这种情况怎么解决,Android10以下的没有这种情况...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
android
0
votes
1.8k
views
1
answer
请问column-count瀑布流如何实现左右顺序?
HTML: <div class="wrap"> <div class="item" style="height: 200px;">11</div> <div class="item" style="height: 100px;">22</div> <div class=" ... , 请问怎么才能改变所显示的顺序,变成左1,右2,左3,右4 这种顺序啊?...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
2.3k
views
1
answer
julia - Why GLPK Solver doesn't verbose anything in JuMP?
I create this simple code as a demonstration: using GLPK using JuMP m = Model(GLPK.Optimizer) @variable(m, y[i=1:100], Bin) ... Julia 1.5.2, JuMP v0.21.5 and GLPK v0.14.4....
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
julia
0
votes
2.5k
views
1
answer
javascript - React antd Typography.Paragraph ellipsis, how to keep ellipsis symbol, but forbid expand
I am using the <Typography.Paragraph> from antd to display a paragraph, and the requirement is I need to limit ... or any other method besides antd? I greatly appreciate your help...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
javascript
0
votes
2.7k
views
1
answer
rollup在external中配置npm包名称,项目中就可以使用esm的模块规范,否则就只能使用commonjs规范?
背景 使用rollup进行打包,打包过程报错'default' is not exported by ../../node_modules/js-cookie/src/js.cookie.js, imported by ../acn- ... require('./dist/js.cookie'),为何可以同时支持esm和requirejs规范导入?...
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
2.6k
views
1
answer
ios - Embedding a Swift Framework into another Framework Xcode
I have basically two frameworks running on Xcode. "ResearchKit" and "AppMethods". While all works fine, the ... import AppMethods. Without ResearchKit, AppMethods would not exist....
asked
Jan 27, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ios
0
votes
3.4k
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
4.0k
views
1
answer
c# - Execture MediatR request without query
I have a class ProductService.cs which looks like: public class ProductService : IProductService { private readonly ... regardless the product data. Am I missing something?...
asked
Jan 25, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
c#
0
votes
3.4k
views
1
answer
算法:按照标签相似度获取指定数量的其他值?
加入有一个游戏包含很多标签,这个时候有一个游戏推荐的栏目,其规则如下: 首先寻找标签完全一致的游戏,有4个就提取4个 不够4个就寻找标签有一个不同的游戏, 依次类推直到全不相同的游戏 好像有什么二进制运算啥的,但是搞不清楚。跪求大佬指引?...
asked
Jan 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
3.6k
views
1
answer
python - How could I plot the difference of proportion of one dataframe against an other one?
I'm doing a Kaggle project and I'm trying to compare the difference of degree between Data Analyst and Data Scientist. I ... ) plt.legend(loc='upper right') plt.show() My plot...
asked
Jan 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
3.6k
views
1
answer
有源码不理解,
各位大佬,开门见山,就下面这串源码看不太懂,求指点 var R = typeof Reflect === 'object' ? Reflect : null var ReflectApply = R && typeof R.apply === ... .apply.call 这个没看懂什么意思? 单独的apply和call能理解,这2个连在一起 ...
asked
Jan 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
3.5k
views
1
answer
这个rsa算法哪里出错了呢? 为什么算的不对
public static void main(String[] args) { int x = 3; int y = 11; int n = x * y; int m = (x-1) * (y-1); // 20 //e ... .print(aByte+ ">>"); } System.out.println(); } 1 97>> 25>> 31>>...
asked
Jan 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
这个rsa算法哪里出错了呢?
0
votes
3.6k
views
1
answer
ios - Why UITableView Display Data Incorrectly
I have a list and trying to display it on UITableView alternating with empty UITableViewCell. So it's like row 0 2 4 ... . If I uncomment it, then everything will work just fine....
asked
Jan 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ios
0
votes
3.8k
views
1
answer
TS + react ,设置别名vscode报错
webpack和tsconfig中都配置了,编译是可以通过的,但是vscode依然报红。...
asked
Jan 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
TS
0
votes
3.8k
views
1
answer
python - Why does precision start dropping with MaskRCNN?
I am experimenting with different optimizers and learning rate schedulers to improve the performance of a MaskRCNN model ( ... understand why this is happening and what it means?...
asked
Jan 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
python
0
votes
3.7k
views
1
answer
printing characters of string from the end to the beginning using range in python
i want it to print every character in the string but from the end to the beginning of the string (inverted),it does not show any syntax ... for i in range(len(s),0) : print (s[i])...
asked
Jan 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
printing
0
votes
3.6k
views
1
answer
在wordpress中怎么使用sql?
先上代码 <?php global $wpdb; $str="hello"; $nodesPHP = $wpdb -> get_results("select * from $wpdb->nodes;", OBJECT); ?> 原本这是html文件因为要使用 ... 尝试过了将"$wpdb->nodes"改为"nodes"也没有任何作用,请问是代码错了吗?...
asked
Jan 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
0
votes
4.7k
views
1
answer
react native - Expo-Calendar Permissions
I am trying to use Expo-calendar in my project. I want to use the Calendar.createEventAsync(calendarId, details) ... an event? This is the documentation in Expo: Expo Calendar...
asked
Jan 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
react
0
votes
3.5k
views
1
answer
如何用Python实现文件类型转换,XLSX转换成DAT和LOG
如何用Python实现将同级目录下XLSX文件转换成DAT和LOG文件并创建新文件夹保存...
asked
Jan 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
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] python - Find uniqe combinations in DF
[2] 关于无限级分类的思考
[3] excel - How to filter symmetric words from a column of data?
[4] 如何让chrome记住用户名 密码?
[5] c# - How to add translations to database after API response with EF Core?
[6] 通过控制数据库实现定时任务的管理(Quartz)
[7] 前后端数据交互,结构转换问题
[8] json - Gson deserialization of optional+nullable value
[9] Why there is a prefix like sDom, oLanguage in jQuery Datatable?
[10] electron中如何拦截所有的http请求结果?并对结果进行修改
2.1m
questions
2.1m
answers
60
comments
56.1k
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
...