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如果我理解的没错的话ribbon应该是对分布式应用中某个微服务集群中的节点做负载均衡，比如服务消费端向服务提供端的微服务集群发出一个请求，ribbon就会根据指定的规则从集群中选出一个节点来响应这个请求那么nginx是对什么东西做 ... 也就是说ribbon的处理对象是微服务集群中的那些节点服务器，那nginx处理的服务器和这些节点服务器之间是什么关系？...

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

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laravel - How to solve this error, The GET method is not supported for this route. Supported methods: POST

I'm having a problem with this? How to solve this error: The GET method is not supported for this ... | term-one.edit | AppHttpControllersTermOneController@edit | web | Route File...

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

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551 views

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python 3.7 - Does pickle remember loaded packages from the script it was called from

I am using gp_minimize (skopt) to optimize a multibody simulation in pybullet and pickle the optimization results (the ... file know about the packages that were loaded before?...

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

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956 views

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VScode格式化vue链式调用换行

源代码 let name = 'hi!, world' name.toLowerCase().replace('hi!', 'hello').trim() vue prettier格式化后 let name = 'hi!, world' name . ... 'hello') .trim() 如何让链式调用不换行，或者超出多少长度换行 ...

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

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656 views

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javascript - JSON-Server API request from two api's. I need to enter a postcode and return weather information

I'm using JSON-server to create a weather app. I would like to call the provided API with a GET request to retrieve the ... > <button type="submit">Submit</button> </form> ); }...

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

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reactjs - How to pass the values from different components using React js

I have Three components like Main.js is the parent components Main.js has two different class components ... components are different not having parent and child relationships....

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

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如何在不同服务中共用一套model层

目前我们有四套系统，两套laravel框架写的，两套hyperf框架写的。共用一个数据库，导致的一个问题就是同一个Model类要在四个服务中写一遍，很是麻烦和繁琐，请问有什么方案可以解决这个问题吗？谢谢。 hyperf和laravel都用的是Eloquent ORM。所以兼容问题还是可以解决的。目前服务运行采用的是k8s+docker的方案。...

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

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893 views

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vue的路由跳转问题

现在有个输入框，默认或为空的时候是历史搜索页面，输入的时候下面同时出现联想词，这两个还是搜索页面的子路由，我用的是@input时间，this.$router.push，这样就直接跳的是父页面，怎么只让子页面的路由跳转呢，还有放到@input里会不会太频繁跳转页面，输入一次就跳转一次### 问题描述...

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

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vue的@change和react的onChange

vue在input想要输入立马触发事件，得用@input <template> <input @input="run"/> </template> <script> export default{ methods:{ run(){ console.log('hh')} ... 是离开输入框才触发，那不就成了失焦事件了吗 react的change又是做了什么呢...

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

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Send FCM from one Firebase account to apps compiled w/ different package names

This may really be more of a branding question but I'm asking here because it has to do with how FCM handles ... the app is installed. Any guidance would be greatly appreciated!...

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

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1.9k views

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一个元素淡入一个元素淡出，占用同一块div有没有办法加上过渡效果

使用的dislpay：none;去淡出，这样没有过渡效果使用 visibility: visible!important;opacity:1!important; 有过渡但是无法解决站位，要被切出去的div总是消失了还占着位置有没有办法兼顾过渡效果+去除div占位问题...

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

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Oracle 如何判断某个字段连续下降（根据时间判断）了三次并且最后一次值小于60？

列如：表结构：成绩表 t_score 含有有字段 student_id,score,time,is_countine_down 数据：某个学生在2020-01-01、2020-02-01、2020-03-01的成绩（score）分别为 80、65、55。此时将最后一次（2020-03-01）记录中的is_countine_down字段值改为 ‘yes’...

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

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2.9k views

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vue v-for中的:style怎么使用过滤器

我item.img，要在前面拼接一个地址，请问可以实现吗item.img|imgFormatter不行 <div class="swiper-slide" :style="{backgroundImage: 'url(' + item.img + ')'}"> <div class="text-c cm-content"> </div> </div>...

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

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3.1k views

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关于jquery和vue的请求加载问题？

在前后端不分离的项目中，同时存在vue和jquery(历史遗留问题) 并且请求是后台通过iframe的src标签的发起的，但是vue和jquery都会加载这个请求有什么办法只加载一次...

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

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3.7k views

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amazon web services - AWS Lambda create presigned URL for S3 using invoked credentials

I'm trying to create a presigned URL for a S3 bucket in AWS Lambda (Python 3.7) that is signed using the ... user's credentials. Any direction in this would be great, thanks....

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

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Maven dependency Analyzer分析中，同一个依赖使用两个不同版本怎么回事？

如上图所示某个client依赖看图分析，有两个依赖了2.0.3版本还有一个依赖了2.0.1版本这是怎么回事？...

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

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请教一下created，mounted，$nextTick的关系？

网上搜了好久他们之间的关系，还是有点懵懵的： 1：我把this.$nextTick放在created里面和mounted里面有什么区别吗？ 2：为什么$nectTick能保证子组件都加载完呐？...

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

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3.5k views

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admob - Problem Showing non-personalized adds on Test Device (Flutter)

In my smartphone app, I'm testing advertizing. I'm using Android Studio (4.1), Flutter (latest). I created Admob ... non personalized ads in this second case ? Thx in advance !...

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

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3.4k views

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高度不够的话为什么上面的元素会不显示呢？

已经有滚动条了但是内容为1111的元素会看不到如图就是滚动到最顶端的样子下面的可以显示完全但是上面的看不到这是怎么回事 <view class="area1List ... : scroll; } .area1List view{ display: flex; width: 222rpx; justify-content: center; }...

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

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4.2k views

1 answer

matplotlib - How can I add regression line with R2 on Python?

So I have this code to make a scatterplot to show how many repitions are there for Human Chromosome trinucleotide. ... pyplot.scatter(*zip(*data)) matplotlib.pyplot.show() Thanks...

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

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3.5k views

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输入正则表达式匹配其他项

有这么个场景，需要将输入的数据A 作为正则表达式去校验/匹配别的参数没有对输入做任何限制， try { reg = new RegExp(reg); // reg：数据A } catch (e) { return; } 现在是先将输入数据new ... 下，但是如果用户输入的就是/d/，/[a-z]{3,}/这样的，就有点问题了，请问这种怎么处理呢...

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

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3.6k views

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请问一下，移动端页面加载问题

列表图片比较多，内容都得请求接口加载的比较慢。怎么优化呢，vue做的项目，是在页面加载之前放个整页loading吗，应该放到生命周期里面还是数据请求结束后...

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

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4.3k views

1 answer

c# - Call Procedure with parameter in postgresql using Dapper in Asp.net Core

Am new in postgresql, and I want to call stored procedure (postgresql) with some parameter in Asp.net Core web api via dapper. ... (not a timeout)", GetType().FullName), ex); } }...

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

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3.7k views

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微信公众号关注相当于默认授权了嘛？

微信开发碰到一个问题，在微信授权登陆的时候，如果通过好友窗口链接进入就可以弹出授权页面，但是如果是通过公众号菜单按钮进入就不会弹出这个页面，是微信公众号关注相当于默认授权了嘛？有没有遇到过相同的问题的？...

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

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3.3k views

1 answer

vue websocket向后端发送blob为空

我写的是实时语音转写这是socket配置 socket(){ this.ws = new WebSocket(this.path) this.ws.binaryType = 'blob'; this.ws.onopen = function(){ console.log ... [buf4])) 发送的为空 buf4是二进制数据求大神帮忙看看是哪里的原因...

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

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3.3k views

1 answer

iview table 如何解决横向滚动条滚动到底部才显示？

https://jsfiddle.net/tz3j0qd6... 如何让这个横向滚动条一直显示呢？ <script src="//unpkg.com/vue/dist/vue.js"></script> <script ... pink; } .box2 { width: 100%; height: 100%; overflow-y: auto; }...

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

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3.7k views

1 answer

加载脚本遇到blocked CSP是什么原因

Chrome浏览器在引用外部js时遇到了这样的错误这样一来就引用不了外部脚本资源了，请问这是什么原因造成的，怎么解决呢？...

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

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2.8k views

1 answer

pug - How can i get a guild id using discord oauth2 in pug?

I want to get a Guild ID after inviting the bot, redirecting to a thanks page and saying "Thanks for inviting me to [ ... name. If you can help or got a Solution, Please reply....

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

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