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Welcome to Our Knowledge Sharing Community-Open, Learning,Share

Welcome to developer's Knowledge Sharing Community-Open, Learning,Share 欢迎来到程序员专属的知识分享社区! 一个分享知识，传递知识，学习知识的社区！...

asked Feb 5, 2021 in Others[杂七杂八] by ostack (1.4k points)

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551 views

1 answer

uniapp 运行微信小程序字体图标错误。

正常运行H5页面是这样的运行微信小程序是这样的报错信息请问下这种情况怎么处理？...

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

0 votes

575 views

1 answer

serialization - WIldFly 21 and Infinispan cache

I am in the process of switching from WildFly 17 to 21. Everything runs just fine. But when I try to run a cluster with several nodes I do have ... /wildfly/modules,/opt/wildfly/modules/system/layers/base))] Thanks in advance. --Heiko...

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

0 votes

645 views

1 answer

typescript - How can I remove reCaptchaV3 in Angular after changing pages via a router?

I need your help. Since I'm new to Angular I'm trying a lot to make a good page and learn something. To make my form submit a bit safer, I've used ... but I want to understand the problem and solve it the right way. Thanks for your help!...

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

0 votes

670 views

1 answer

echarts 饼图怎么做出这种效果，一个圆外部有圆环

鼠标放上去能同时在扇形上和引导线上展示数据...

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

0 votes

703 views

1 answer

如何让多个对象相同的属性值相加

var data = [ { typeId: '2', name: 'potato', number: 16 }, { typeId: '3', name: 'potato', number: 10 }, { typeId: '4', name: 'tomato', number: 4 }, { typeId: '5', name: ' ... 象中 name属性相同的子对象的 number 合并，得到一个新的对象,从而返回一个新数组 arr，有哪些比较好的方法？...

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

0 votes

926 views

1 answer

C++ error : 'does not name a type error '

When runs this program ,compiler gives a error saying that "varA(in class C)does not name a type".what's the wrong with me?explain plz. #include <iostream> using namespace std; ... C c1; a1.SetPrvA1(30); cout<<a1.show()<<endl; c1.show(); }...

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

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930 views

1 answer

scrolltop - Angular Scroll top not working in firefox

ngOnInit(): void { this.router.events.subscribe((evt) => { if (!(evt instanceof NavigationEnd)) { return; } document.body.scrollTop = 0; }); } I'm using this code for scrolltop on page load, it's not working on firefox. Please help. Thanks....

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

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776 views

1 answer

show slave status ;没有数据

为啥没有数据呢...

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

0 votes

842 views

1 answer

reactjs - How to import npm package in react?

I want to import ibantools but it does not work with require. It says require is undefined. How can I use this package? const ibantools = require("ibantools")...

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

0 votes

905 views

1 answer

goland 和postman debug调试接口

请教各位高手一个问题: goland如何和postman 做接口的断点调试了。是从php转过来的,记得phpstorm中做接口断点调试,是在postman中传递一个xdebugsession就行。访问register接口就在postman访问接口时加一个参数。但是在goland中完全不知道怎么和postman结合进行端口测试.在网上搜了好多,都是针对普通断点的调试的....

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

0 votes

784 views

1 answer

flutter布局实现问题

我现在有个这样的布局，左侧是一片区域，右侧是一张图片，整体的高度是由右侧图片自适应后的高度撑起来的，请问如何让左侧区域的高度占满，也就是等同于图片自适应后的高度？试了给Container加alignment，设置height:double ... ), ConstrainedBox( constraints: BoxConstraints( minHeight: 150 ), child: Image.network('xxx', width: 100, ) ) ], )...

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

0 votes

775 views

1 answer

megamenu error backend magento 2 how to solve?

I am using the magentech medisine theme for magento 2.3.6, when trying to make edits to menu items, for example changing the name or inserting another ... I would like your help since already thank you very muchenter image description here...

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

0 votes

795 views

1 answer

正则匹配标签内的空格问题

我尝试用/(<.*?>)s(.*?)(</.*?>)/g 匹配 // 正则表达式 let rex = `/(<.*?>)s(.*?)(</.*?>)/g`; // 原字符串 let str = `<p class="ss" ><br> tab空格 </p> <p> 普通空格</p><p>没有空格</p>`; // 匹配 ... ; 普通空格</p><p>没有空格</p>` 得到的结果是只匹配标签内的一个空格, 请问怎么实现标签内的空格都替换成 ? 呢? 在线匹配测试地址...

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

0 votes

896 views

1 answer

kubernetes - Autoscaling in GKE based on RabbitMQ Queue Size

I am very new to both Kubernetes and RabbitMQ, but I am attempting to autoscale pods based on the number of ready messages in my RabbitMQ queue. ... these metrics are not being delivered or suggested alternate routes would be appreciated....

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

0 votes

887 views

1 answer

android - How to get new messages on bottom of the list view

When I'm fetching the messages from fire base new messages are appears randomly in the list view how I can set the new messages on the bottom of my list view ... Expanded( child: ListView( reverse: true, children: messageWidget, ), ); }, ),...

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

0 votes

914 views

1 answer

nuxt进入详情页返回后保持原来位置的代码实现?

nuxt进入详情页返回后保持原来位置的代码实现?思路我大致知道，就是不太会写，希望给个参考，谢谢...

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

0 votes

1.0k views

1 answer

Angular版本升级出现问题了

概述我的Angular项目当时创建时是 Angular8.2 ，现在这个项目要继续开发，发现 Angular 已经升级10了，今天升级这个项目出现问题了，我的做法是这样的我的升级步骤执行 ng update @angular/[email protected] @angular/[email protected] 升级到8版本的最新状态 ... PrimeNG 和 zorro-antd-design 的两套组件，看上图很明显的给出了是 PrimeNG 不兼容 zone.js ，意思是我要先升级 PrimeNG ?...

asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

976 views

1 answer

通过控制数据库实现定时任务的管理（Quartz）

如果一个系统使用了Quartz（Spring-Quartz），使用数据库进行持久化，我能够仅仅通过操作数据库（qrtz_cron_triggers那些表）的数据（不涉及到quartz提供的各种api使用）来做到定时任务的管理吗？想法如果一些系统使用了quartz，我能够直接去连接到各自系统使用的quartz数据库去操作表数据从而控制这些系统的定时任务，过程中不会涉及到这些系统的服务，也不会涉及到quartz相关的api，单纯的操作数据库就能做到任务的管理，触发器的管理等等...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

996 views

1 answer

javascript - Find an element by its id in the html file

I have an array items = [{ "id" : 1, "name": "peter"}, { "id" : 2, "name": "john"} ... ] I am trying to find an item in the html file by the id based ... done in js file, but I am trying to see if there is an easy way to do it in html file...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.0k views

1 answer

antd 修改某一页面的主题色怎么做到呢？

我希望在不同的页面可以有不同的主题色，请问大佬们这样如何实现呢？...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.0k views

1 answer

为什么 PHP8 将包含 DDL 语句的事务改为异常抛出？

在 PHP 8.0 以前的版本，包含 DDL 语句的事务只是会触发隐式提交（应该算是 MySQL 的功能，并不是 PHP 的特性），事务无法回滚，并不会抛异常而8.0版本 commit 时会直接抛异常 There is no active transaction ... ->exec($sql); $conn->commit(); } catch (Exception $e) { echo $e->getMessage(); $conn->rollBack(); }...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

977 views

1 answer

c# - How to check null on passed PowerShell argument

Below is the C# code where I am creating this powershell cmdlt which has two argument MaxAge and ContinuationToken. I would like MaxAge ... .Count $recordings.ContinuationToken|Set-Content -Path $TokenFilePath $recs = $recordings.Recordings...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

848 views

1 answer

Angular/RxJs When should I unsubscribe from `Subscription`

When should I store the Subscription instances and invoke unsubscribe() during the NgOnDestroy life cycle and when can I simply ignore them? Saving all subscriptions introduces a ... = hero); }); } ngOnDestroy() { this.sub.unsubscribe(); }...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.1k views

1 answer

使用js数组去重操作！

已知： let array = [ ['name1','18'], ['name2','30'], ['name1','32'], ['name2','32'], ['name3','20'], ] 所求： array = [ ['name1','32'], ['name2','32'] ... }; var Ctor = Vue.extend(Main) new Ctor().$mount('#app') 在线编辑器：https://codepen.io/pen/，复制可用...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.5k views

1 answer

python - time.sleep function isnt working in kivy app

I have here a simple app that displays the current bitcoin price: import kivy from kivy.app import App from kivy.uix.label import Label import requests import time ... get any error when running the problem so i dont know what the issue is...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

2.4k views

1 answer

javascript - Node.js POST login request doesn't return authenticated cookie

I am making a private API wrapper (Edit: I don't have the server-side code since I'm making this for another website, sort of like the Instagram- ... data or correct JSESSIONID, the problem resided in the redirect to the user's dashboard....

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.7k views

1 answer

ruby on rails - How to enable TLS for Redis 6 on Sidekiq?

Problem On my Ruby on Rails app, I keep getting the error below for the Heroku Redis Premium 0 add-on: OpenSSL::SSL::SSLError: SSL_connect returned=1 errno=0 ... to-heroku-redis-in-cleartext-or-ssl/ https://mislav.net/2013/07/ruby-openssl/...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

953 views

1 answer

ruby on rails - Does load_and_authorize_resource authorize every single action in a controller, or just RESTful ones?

TL;DR Basically, do I have to manually call authorize! in controller actions that aren't one of the 7 RESTful defaults, or does load_and_authorize_resource still do ... if that's just the 7 originals or others the developer adds as well...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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