OStack Q&A-Knowledge Sharing Community

0 votes

570 views

1 answer

高德地图点击地图添加marker，第一次点击的时候会出现marker图标，第二次不会

高德地图点击地图添加marker，第一次点击的时候会出现marker图标，第二次不会，这是什么情况，一下是代码 mapObj = new AMap.Map(' ... infoWindow.on('close', clearMarker) infoWindow.open(mapObj, marker.getPosition()); }...

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

0 votes

766 views

1 answer

python - Dendrogram: ValueError: The truth value of a Series is ambiguous. Use a.empty, a.bool(), a.item(), a.any() or a.all()

I am trying to plot Dendrogram to cluster data but this error is stopping me. my date is here "https://assets.datacamp.com/production/ ... bool(), a.item(), a.any() or a.all()....

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

0 votes

371 views

1 answer

一个函数，每秒打印num-1，到0停止？

代码如下所示，通过if，else的形式没什么问题，但是通过 num>=0?console.log(num--):clearInterval(timer),这种三目表达式的形式提示错误，什么原因导致的怎么改？ function a ... num--) // }else{ // clearInterval(timer); // } },1000) } a(5)...

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

0 votes

334 views

1 answer

html2canvas图片太长背景渲染不全

如图所示，如果图片太长则下面的背景图就渲染不上了...

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

0 votes

104 views

1 answer

echarts和t的使用

比如这两个，我想定义类型，在ts中怎么弄呢...

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

0 votes

756 views

1 answer

Netty http客户端无法接收到服务器的响应信息

这是我的客户端的Handler代码 class RobotHandler : ChannelInboundHandlerAdapter() { private val logger = LoggerFactory.getLogger(this.javaClass) override ... 触发Controller但是无法接收到返回的消息，请问怎么解决...

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

0 votes

628 views

1 answer

python - django.core.exceptions.ImproperlyConfigured: SpatiaLite requires SQLite to be configured to allow extension loading OSX

I've tried this solution but I am getting Segmentation fault: 11 when migrating in Django. When I remove ... allow extension loading Mac OS Version 11.1(Big Sur)...

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

0 votes

466 views

1 answer

excel - VBA: How to enter a value according to another value in the same row but different column

Can you please help me figure out what is the way to enter a value to a cell in one column according to a ... declare it as a range. Input: Fruit Color Banana Kiwi Watermelon...

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

0 votes

375 views

1 answer

PHP 怎么能把数组根据分类组成多个数组

[{"id":"11","cate_id":"1","year":"2020","moon":"01","day":"11","hits":"1","first_time":"2020-01-11 07:51:14","name":" ... , 42, 40, 55, 65, 45, 65, 70, 90, 103, 66, 48] }]...

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

0 votes

424 views

1 answer

postgresql - How to promote slave to master postgres in pacemaker

I setup pacemaker postgresql synchronization. And for testing I reboot the master(server1). so now one of my client(server2) become ... --- server3 | streaming | 0 | async (1 row)...

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

0 votes

382 views

1 answer

mysql LEFT JOIN 使用SUM不准确

原sql如下： SELECT a.id, SUM(a.contractAmount) as contractAmount,SUM(b.kpprice) as invoiceAmount FROM contract AS a LEFT JOIN invoice as b on a. ... 是有多条的情况，还不能去重，这个应该怎么调整，求大神指教...

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

0 votes

213 views

1 answer

javascript如何处理这段字符串？

"统一代码:15235168151332;号码:db872e8ne92;名称:浙江电气科技公司" 想要把统一代码提出来，格式就是key:value分号分隔，但key的出现有可能不按顺序，这个js要怎么写？...

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

0 votes

839 views

1 answer

js 中的tree型数组如何去重与合并？

假设数据是这样的，不难发现，其中父级roleCode有重复的，子级roleCode也有重复的，如何做到把重复的去掉，同时，又可以把不重复的合并到一起呢？ testTreeData: [ { roleCode ... roleNameCn: '员工aaa' }, { roleCode: 'bbbbbbbb', roleNameCn: '员工bbb' } ]`...

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

0 votes

358 views

1 answer

node.js - How to get RAISE INFO/NOTICE in Knex from node js?

I am using Knex query builder and Postgres as my data base. I need to get the output from a raise notice or ... Postgres function or procedure. raise notice 'This is my Log';...

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

0 votes

686 views

1 answer

if statement - SonarQube Java rule for checking debug/trace logging level

I'm trying to write a customized java rule to check if the debug/trace log levels are enabled. If the log level ... If someone could help me out, I would really appreciate it!...

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

0 votes

374 views

1 answer

Js 如何判断两张图片是否相同

如题需要做图片上传要求不能传相同的图片还要支持修改的时候和网络链接做对比头大...

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

0 votes

495 views

1 answer

前端路由是全部都由后端返回，还是后端返回对应角色下的权限，然后前端通过遍历的方式来修改当前路由呢？

在看vue-element-admin中有个权限验证，现在不知道这2者有啥区别，请大佬说说有什么好的方式来处理这个动态路由 https://panjiachen.github.io/......

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

0 votes

469 views

1 answer

wordpress - How to debug Serve images in next-gen formats

I am trying to speed up the website but got this point to serve images in next-gen formats (4.95s). The site is ... me with this without using a plugin and convert to webP method....

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

0 votes

302 views

1 answer

mysql.js 模糊查询拼接

let products= await ctx.db.query(`select product.pid,product.title,product.detail,product.money,product.classify,product.imgurl ,provider.name, ... 如何拼接才是正确的后端：koa 数据库：mysql 模糊查询...

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

0 votes

405 views

1 answer

css - how to show image over blurred background

I have the following code: const [hover, setHover] = useState(false); <Paper onMouseOver={() => setHover(true)} onMouseOut={ ... 6px); } above is the result: and above is the goal:...

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

0 votes

239 views

1 answer

c# - how to implement autocomplete functionality in search box in .net core mvc?

I tried to add autocomplete or suggestion functionality in search box of view, as when some one enter any character, any word containing ... val); }, minLength: 1 }); }); </script>...

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

0 votes

659 views

1 answer

jenkins - How to display application build version in an angular application

I have a jenkins pipeline which builds & deploy an angular application. Is it possible to introduce a build parameter from ... of what we replaced using sed. Can anyone help ?...

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

0 votes

310 views

1 answer

python - AttributeError: 'Index' object has no attribute 'strftime'

I'm having difficulty understanding why this error message occurs... I made a function and it functions well with small data ... difference? how do i have to edit the KOSPI data?...

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

0 votes

913 views

1 answer

karate - Form input entry fails on chrome when using Remote Web Testing framworks (BrowserStack and LamdaTest)

My test suite works fine locally as well as in gitlab pipeline using Chrome. However, they fail right on ... sessionId: '719c9157598420fb3e272f53be31ab51', status: 0, value: null }...

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

0 votes

375 views

1 answer

ｖｕｅ　获取响应头里的自定义的属性

类似于企业微信这样的,在工作台里新增一个模块,叫A 点击A,进到这个模块的首页,但进模块首页前,需要一个token, token来源, 后台根据我本地的ip生成了一个地址,在这个地址上的header部分加了一个token 我只有根据后台给的ip地址才可以拿到这个token, 在我本地跑这个项目的话拿不到这个token 请问我该怎么拿这个token呢?...

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

0 votes

234 views

1 answer

composer本地包的问题

本地包存放于packages/abc，安装好后，composer是以软连接形式在vendor里创建的，然后下次部署代码的时候，对abc里的改动，vendor里没有同步修改，是什么情况？...

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

0 votes

401 views

1 answer

kotlin - How to add a column to query results in Google Dataflow

I am trying to read a query from BigQuery and then with Apache Beam / Dataflow in Kotlin I want to add a column ... the following: Input values must not be mutated in any way....

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

0 votes

937 views

1 answer

idea maven jar依赖问题

现象：自己构建了一个jar项目a.jar在该项目的pom文件中引入了commons-lang3.jar的版本是3.7，然后另一个项目B引用a.jar，但是在B项目中显示的commons-lang3.jar的版本是3.9，不存在jar包冲突，也查不出原因这个地方点进去会跳到下图 idea缓存也清了，还是没有用，各位路过大神有遇到的没，还请不吝赐教...

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

Categories

Recent questions

Just Browsing Browsing

Most popular tags