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node.js - mongoose doesn't allow me to use camelCase collection name

Here is my code: const mongoose = require("mongoose"); mongoose.connect("mongodb://localhost:27017/miniRDS",{ ... creates "classtests". how can I achieve "classTests"? Thanks...

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

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html - Call Function from Dynamically loaded Javascript file

I have a base.js file that called from my index.html file and this base.js call script script1.js or script2.js according ... .js var result = Calculate(5,9); console.log(result);...

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

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R Error: `n()` must only be used inside dplyr verbs

The code in which I am getting the error. numCrimesByLSOA<-crimes %>% select(LSOA.code, LSOA.name, Crime.type) %>% group_by(LSOA.code) %>% summarise(Num.crimes=n())...

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

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pm2 - How to check output in terminal in production

i have a project serving on production which use pm2 to handle my nodejs server. How could i to check the ... Which server is serve from digitalOcean. Appreciate for your command....

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

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前端跑马灯效果中，定时器间隔与动画效果时长相同而产生的bug

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

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一个嵌入的APP的H5页面怎么判断当前是安卓还是iOS

一个嵌入的APP的H5页面怎么判断当前是安卓还是iOS...

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

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安卓app内嵌vue项目搭的web页面，部分机型会卡死

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

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Yapi里面怎么将headers里的cookie带给下一个接口用呢？

登录后，在headers里面获得cookie值，下一个接口怎样能引用呢？...

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

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R - converting some dataframe columns to rows

So let's say I have a data frame with X and Y variables and Z1, Z2 and Z3 subjects like this: > df <- data.frame( ... way to do this? Note that there may be more than 3 subjects....

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

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awk - Search through a markdown using sed

The Problem I multiple Markdown files in a folder, formatted like so... # Cool Project * Random Text * Other ... # Cool Project TODO: This is another task # Cool Project...

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

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shell - How to select option when click "Enter" button?

I have this code, im clicking "7" button to Skip, i want change it to Enter button. Codes: echo "Test code" echo -e "( ... write a valid number, between 1 & 7. e[0m' exit ;; esac...

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

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浏览器窗口最小化后flvjs延时问题如何解决

浏览器窗口最小化后flvjs延时问题如何解决...

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

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202 views

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python - Apache+ModWSGI flask API endpoint http headers not set

I have a problem with setting Link in the Response headers. On my localhost where flask application is served via flask ... to my Apache server or maybe I'm missing some module....

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

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glibc - GNU malloc size classes

I have been trying to find information on whether GNU libc malloc uses size classes like jemalloc. I haven't ... That means that they are well below the MMAP_THRESHOLD limit....

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

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想问下怎么学习前端打包构建和单元测试

想问下怎么学习前端打包构建和单元测试...

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

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java - Take body of a post http request

Given for example this Post request: Using port: 8080 Using Webroot: /tmp POST /registrazione HTTP/1.1 Content-Type: application ... just the body. Can someone help me to do this?...

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

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javascript - Tabulator - Reload header filters when returning to page with table

Currently, I have a table using Tabulator(v4.9) with header filters using Ajax Filtering. var table = new Tabulator("#table ... filters, I have to load the table all over again....

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

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laravel Model 默认值

是一个记录日志的model 保存用户ip，user_agent等信息，这些信息默认系统中就能获取的，这个需要怎么关联到model里面...

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

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微信浏览器显示界面补全,如何适配

编写了一个界面,界面地址是 https://www.shippingex.cn/wechat-smart-shipping/html/frontend/html/hangJiaoE/hangJiaoE.html 使用微信浏览访问,显示如下,显示不全页面代码如下 < ... ="船交e小程序码.jpg" /> </div> </body> 请问该如何适配显示...

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

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关于这道面试题，我的理解是否正确

function func() { let i = 0 return () => { i++ return i } } const func1 = func() const func2 = func() func1() func2() func1() func2() ... ，所以结果为 1 1 2 2 请问这样理解是够正确，不正确还望纠正下，谢谢...

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

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mybatis-plus queryWrapper如何舍弃null值？

QueryWrapper我用的是这种形式的 eq(R column, Object val) 文档里说null值不会加入sql的生成，但是实际测试还是会 mp有这种形式的 eq(boolean condition, R column, ... 所以有没有什么方法（或者说要配置什么）才能让QueryWrapper中的null值不参与sql的生成...

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

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有没有oryx.bug.js的相关文档？

源码看的我怀疑人生...

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

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Everything 挂着搜寻疑问?

请问我Everything一直挂着搜寻是否是定期执行搜寻,还是監聽事件 windows有任何档案新增才执行搜寻? 我很疑惑,它是用什么机制做到我电脑档案数 2,603,802 但内存才用 0.6 MB 请且我新增修改档案马上在搜寻视窗 ... 于为两百多万个档案建立事件,不是很恐怖? 假如是定期搜寻,每N秒搜寻两百多万个档案也同样想想很恐怖......

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

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Magento 2.3.6 - Prevent empty cart for cancelled payments

I want to prevent shopping cart getting empty for cancelled payments by customers. Currently it is redirecting to cart but ... >getCheckoutHelper()->getUrl('checkout/cart') ); } }...

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

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在vue中引入 mqtt.js 总是报 typeError 类型的错误

有哪些大神可以帮忙解决一下!!!...

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

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javascript - Failed to load 'sap/ui/table/TreeTable.js'

I'm trying to create a tree structure view from a json model using SAPUI5. I haven't found solutions on the internet ... from resources/sap/ui/table/TreeTable.js: 404 - Not Found...

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

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1 answer

怎么将es6语法的代码在线转成es5？

目的：有一段自定义输入的代码，想通过eval执行；问题：eval执行的代码没有经过编译阶段babel转换，所以在IE浏览器上会解析失败。 babel应该有直接线上转换的方式，但具体该怎么配置才能将用户输入的代码先转换成es5语法再通过eval执行？...

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

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springboot多数据源问题

springboot项目，配置了三个数据源a b c，但是启动后，去调用c数据的方法报错了，调用a,b都是没问题的 org.apache.ibatis.binding.BindingException: Invalid bound statement (not found) ... a数据源里读取数据，所以试不了b c 不知道到底是什么原因导致这样的 ...

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

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