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0 votes

447 views

1 answer

ruby on rails - React frontend deployment to heroku issues. 404 error

I am new to react and heroku. My backend is Ruby on Rails. I followed this guide: https://dev.to/caicindy87/ ... Solved I didn't include the static.json and it somehow works....

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

0 votes

510 views

1 answer

请教 Java 的 Quasar 库的 Fiber 性能问题及使用姿势

今天试了下 java 的 fiber 库 quasar，有些疑问测试方法是扫描本地端口 8000~9000 查看端口是否 socket 监听，本地启动了一个 8080 的服务比较不同方式扫描一遍1000个端口耗时 quasar 的耗时 ... 改造的有过 quasar fiber 的使用经验么可以解释下我这个结论是正确的还是我操作方法有啥问题...

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

0 votes

509 views

1 answer

请问vue 从别人的网站加载图标这样写，会造成页面卡顿，影响性能吗？

需要加载大量图标，分别从不同的网站加载网站图标，这样写会导致用户操作卡顿吗？下面是图标所在的原子组件, 会重复N次。...

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

0 votes

665 views

1 answer

Spigot/Bukkit Plugin: How to Me Check Item in Player Right Hand? - Minecraft

Exaple of answer: if(player has clicked && item in player right hand is stick) { // Do some action } Thanks in advance...

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

0 votes

615 views

1 answer

如何让背景色，铺满整个屏幕，并且高度随内容自适应

如何让背景色，铺满整个屏幕，并且高度随内容自适应...

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

0 votes

552 views

1 answer

react新建项目，启动报错

新建项目后，直接启动的 package.json...

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

0 votes

622 views

1 answer

Nuxt.js TTFB (首字节时间) 长达1 分钟每次都这样，请问是什么原因造成的

或者有没有什么工具可以查看这段时间服务器再做什么，是什么原因导致的...

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

0 votes

558 views

1 answer

npm install 报错 no discription 和 no repository field怎么解决

C:UsersAERO>npm install npm WARN [email protected] No description npm WARN [email protected] No repository field. audited ... for funding run npm fund for details found 0 vulnerabilities...

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

0 votes

522 views

1 answer

elasticsearch可以实现推荐用户的数据一直是最新的吗，且数据不是重复的吗...

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

0 votes

724 views

1 answer

长页面制作时，编辑器每次更改保存，页面就刷新回顶部，不得不再次滚动到下面浏览器效果。很不方便。

往常做的都是短页面，没想到一做长页面这么不方便，有大哥会解决这个问题吗？不然实在太不方便了，最好能让页面既刷新又停留在原位。...

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

0 votes

654 views

1 answer

vue请问这个报错是为什么，数据都已经渲染出来了

<div class="p-s-i l" v-for="item in product.productItems"> <img class="icon" src="../images/home_icon_zt.png"> <img src="../ ... 和上图一样 this_.product = res.data } }); } }) 一直报错...

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

0 votes

609 views

1 answer

vue中数据格式问题

后台返回的是字符串1,2,3,4,5 我想保留钱四个并且转化为数组格式，这样写数据为空的时候偶尔会报split错，前面加了判断也不行，还有别的方法吗请问 <view v-if="item. ... aItem,index) in item.tags.split(',').slice(0,4)" :key="index">{{aItem}}</view>...

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

0 votes

759 views

1 answer

oracle数据库，如下需求如何计算两个时间之间差的平均数？

需求：计算客服的平均响应时间客户说一句话，坐席说一句话，计算一个时间差（如果一方连续说了多句话，取第一句）然后一通回话中，会得到好几个时间差计算在这一通回话中，几个时间差的平均值请问用sql如何实现上面的需求呀？说明 fromjid：说话方 tojid：听话方 loginid：一通回话的唯一标识 time：时间 body：说的话...

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

0 votes

648 views

1 answer

JS通过canvas识别图形

https://ostack.cn/a/11... 请问大家canvas识别图片中指定的某一种图形有什么思路吗？比如识别图片中的长方形(长方形可能经过旋转，不一定是横平竖直)...

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

0 votes

610 views

1 answer

scala - Kafka producer: send avro as array[byte] without schema

I am trying to setup a simple kafka stack in local and I am at the point where I need to create a toy ... schema, right? encoder.flush out.close out.toByteArray thanks so much...