OStack Q&A-Knowledge Sharing Community

0 votes

236 views

1 answer

假设有list1-2 三个数组的时候,从list拖拽到list1-3时,clone有一份数据给list1-2的数组中不可有重复出现,也就是说一份数据拖拽三个数组中不可重复有没有人用过这个插件的呀? 插件文档 ... .github.io/... 问题截图:(list1已经拥有list的数据的,此时list在托给list2的时候无法在拖拽)...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

748 views

1 answer

vscode 插件实现双击文件标签页，自动切换侧边栏和底部栏显示状态

尝试过webstorm编辑器，其中有个功能想在vscode里使用。功能描述：双击已经打开的文件标签，可以自动收缩侧边栏和底部栏。我也想在vscode中这样使用，但是不知道该如何设置？如果自身设置没有，那么有没有现有插件可以使用？如果没有现有插件的话，想请问一下双击文件标签这个动作可以在哪个api里可以找到？...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

344 views

1 answer

unpivot时提示Not allowed to create void vector是什么原因

我在DolphinDB database中想把多列的表数据转换成一列，代码如下： def f1(x) { x.substr(3); } cColCount =tTable0.sym.count() syms1 = tTable0. ... 0798 0.1197 0.1024 0.1434 0.0786 0.0905 1 0.1273 0.1236...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

457 views

1 answer

flutter - ScrollBar weird behaviour

I'm working on small app for Flutter for web. There is ScrollBar with GridView as a child. Each gridview's child has ... like this bug will be fixed in next versions, let's see...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

386 views

1 answer

ng-zorro timepicker 时间差的问题

我用了ng-zorro的timepicker 范例 https://stackblitz.com/run 可是选择的时间跟读出来的值有落差，选2020-05-29 10:10 model读出来是 2020-05-29T02:10:19.923Z 能否避免这个问题？...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

216 views

1 answer

java - how to parse the response at pact provider verfication

My scenario is that there are two interactions defined by the consumer, interation1 with state1, and interation2 with state2. ... ? I am using pact provider junit by the way....

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

555 views

1 answer

Flutter admob mediation with Facebook Audience Network: how to customize ad display?

I have a flutter social network app with admob native ads working fine, and I would like to implement mediation ... this version is not yet released on AppStore and PlayStore ?...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

530 views

1 answer

h5(混ios,vue)页面上线后请求为status=0(network error)

最近项目上线公司服务器内测，我把自己项目放到公司服务器后，请求后端接口始终是status=0(vconsole打印的)，我部署的域名是aa.bb.com,后端域名（接口地址） ... /ios_h5; #for vue-Router history try_files $uri $uri/ /index.html; index index.html; } }...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

878 views

1 answer

azure - Log file is cached across service restarts

The log file for my site is being cached somewhere. The same log file is being written again and again after multiple ... (webBuilder => { webBuilder.UseStartup<Startup>(); }); }...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

971 views

1 answer

google cloud platform - Using SSH to access JupyterLab on GCP Doesn't Work Yet

I would like to ssh myself into a Jupyter Lab notebook on GCP. For that, I followed this guide by Google. ... valid name when creating the instance. Any help would be appreciated!...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

438 views

1 answer

mapbox - Highlighting Fill-Extrude Features on Hover after tilting?

I want to highlight fill-extrusion features when hovered over them. The styling related to this is straight-forward using expressions ... ? Is this a bug or am I misusing the API?...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

586 views

1 answer

Go 频繁的进行断言以及通过接口调用方法有性能消耗吗？

如题结构体实现了某一个接口，那后续平凡对该结构体进行断言性能消耗大吗通过接口调用实现该结构体的方法有额外性能消耗吗网上好像没有什么文章进行说明...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

706 views

1 answer

tensorflow - CRNN get accuracy from keras.backend.ctc_decode

I have a CRNN fitted model with CTC loss output. I have the prediction and I use keras.backend.ctc_decode to decode it. ... the training part, the final CTC loss was around 0.1...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

11.1k views

4 answers

android - Animate SliverAppBar title position with Scroll - Flutter

I am working on this app in flutter and I want to change the position of the title of this page so that it sets nicely beside the ... color: Colors.blueAccent, ), ), ), ], )); } }...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

314 views

1 answer

Spark 任务瓶颈分析

我先说说我的机器，一台 master，性能肯定够一台 slave 节点（配置为 6 核 10g内存单块硬盘） master 节点只负责管理，不参与任何运算然后发现了一个很奇怪的现象，在 Logistic Regression 中有 ... 引起的呢，因为前面几个 stage 中，每个 task 的运行时间长短不会随着 executor 的增加而变慢 ...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

613 views

1 answer

dplyr - Performing Mann-Whitney (Wilcox) Test on Grouped Data in R Studio?

I have a dataset that measures the abundance of macroinvertebrates from multiple sample sites. I wish to compare results ... to change to get different results for each basin?...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

398 views

1 answer

pandas - Extract text from python list item

I've a python list whose items are as below, I want to extract only the text and remove the 0 and space from the item. ... index%2!=0: title.append(row.to_string().split(","))'''...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.2k views

1 answer

nodejs 官网怎么了？

是发生了什么，有什么运动么？...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

379 views

1 answer

multithreading - Why does incrementing an integer in a thread not change the value outside of the thread?

I have this code: fn main() { let mut total: i64 = 0; let pool = ThreadPool::with_name("search worker".to_owned() ... can't borrow more than once, which I don't really understand....

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

481 views

1 answer

ImportError Pandas in Jupiter notebook - Not looking at venv packages

I installed pandas via pip in my virtualenv venv. When I run import pandas as pd, I get the following error: ------ ... at the packages in my virtual environment, how do I do that?...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

744 views

1 answer

react native - undefined is not an object (evaluating this.props.navigation.dispatch)

I'm trying to use this.props.navigation.dispatch(DrawerActions.toggleDrawer()) in the following code but it takes this.props. ... ={26} /> </TouchableWithoutFeedback> </View> ) }...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.4k views

1 answer

echarts 百度地图的地图模式为啥地名那些加载不出来了，卫星模式是正常的

echarts 百度地图地图模式为啥地名那些加载不出来了，卫星模式是正常的。...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

134 views

1 answer

host配置问题

baidu.com 172.0.0.1 这样子配不是应该访问172.0.0.1就会映射到baidu.com了吗，为什么我不行...

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

0 votes

132 views

1 answer

如何获取每个tag最新日期对应的value

在DolphinDB database中有张表svgtable如下图所示：现在我已经获取了每个tag的最新日期，如下：我想获取每个tag最新日期对应的value，应该如何操作？...

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

0 votes

1.5k views

1 answer

postgresql - Getting back Server in PgAdmin prompts error “FATAL: password authentication failed for user “postgres“;“;

I have recently installed the PostgreSQL 12 and the PgAdmin 4 on my laptop running Ubuntu 18.04.5 LTS. Everything was fine, ... I am facing to be able to see my tables in PgAdmin?...

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

0 votes

144 views

1 answer

如何在sqlite中关联两个表？

比如有note和tag两表： CREATE TABLE note ( note_id TEXT PRIMARY KEY, note_text TEXT ); CREATE TABLE tag ( tag_id TEXT PRIMARY KEY, tag_text TEXT ); 现在需 ... 笔记这样的功能在一般的开发过程中怎样实现？如何写sql语句？...

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

0 votes

218 views

1 answer

react 能不能修改state不触发render?

一个方法，修改state多次，结果造成render触发多次而我要的，只是最后一次修改得时候执行render就行了请问有什么方法减少render触发次数吗？除了 shouldComponentUpdate 因为我的 state 和 props 太多了，且层级深，对比起来感觉消耗性能？...

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

0 votes

607 views

1 answer

v-charts地图怎么用经纬度在地图上标点？

效果图是这样的，如何配置数据？...

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

Categories

Recent questions

Just Browsing Browsing

Most popular tags