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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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vue-cli4搭建的组件库项目，怎么实现按需加载（按需引入）？

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

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Azure IoT Hub Message Routing on boolean application property

I'm trying to achieve a very simple routing logic in Azure IoT Hub. Whenever a telemetry message should trigger an ... an issue with the Portal or am I missing here something?...

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

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blockchain - Does CEXIO support withdraw and deposit via API?

.Found similar methods for Kraken but can't seem to find them in CEXIO REST and WebSocket documentation...

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

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c - why does the result of loading binary between on linux and on arm are so different?

In essence, I want my main program to link properly to one library 'libA.so', and the symbols 'subFunc' from that ... : _Z7subfuncii Any advices for me, I will be very grateful....

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

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export default的导出，import无法识别某个属性，但require可以？？？

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

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从数据库中捞取某个字段和为特定值的记录

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

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python如何实现如下图所示的多层嵌套复选框的GUI？

python如何实现如下图所示的多层嵌套复选框的GUI？用什么库？搜了好久都没找到怎么实现这种界面。...

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

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如何克隆一个Symbol，有必要克隆吗？

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

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频繁创建销毁线程会消耗哪些资源

如题，频繁创建销毁线程会消耗哪些资源...

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

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mac shell命令，怎么实现ctrl+c的操作

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

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java - Won't open runnable jar exported from eclipse Mac OS

I am running MacOS Big Sur (Intel MacBook Pro 2020) and I am using eclips for a college project. The project is ... JFX should be included so I can't really find the problem....

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

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proxy - Spring AbstractAutoProxyCreator precedence

I'm creating a framework, it automatically creates proxy for special interface by "org.springframework.aop.framework. ... solution, such as "declare precedence" of aspectj?...

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

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c++ - SQLite3 - Taking function parameters as values

I'm trying to make a class using sqlite3 database with a method that should insert the data in the table when ... , it says data inserted but database shows empty in sqlitebrowser....

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

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yaml - Filebeat 6.8 vs 7.x fieldname turn back to default value %{[beat][hostname]}/ %{[filename]}/

I am using filebeat version 6.8 is fine with prefix path in logstash file config: s3 { bucket => "${X_S3_BUCKET}" ... /%{[filename]} back to value in old version. Thank you!...

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

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gulp如何改变js引入scss的路径（寻找最佳实践）

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

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如何基于 Kafka 打造高可靠、高可用消息平台？

Kafka 是当前非常流行的一个消息系统，最初用作 LinkedIn 的活动流式数据和运营数据处理管道的基础活动流式数据主要包括页面访问量PV 访问内容以及检索内容等运营数据指的是服务器的性 ... .cn/article/... *《Kafka（三）Kafka的高可用与生产消费过程解析》 https://www.cnblogs.com/frank......

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

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vue路由传参问题

路由跳转到我的提问路径会携带参数，在我的提问模块切换tab到我的回答，路径还是http://localhost:3000/#/Personal?origin=提问，所以在我的回答模块刷新页面就会跳到我的提问模块，但是正常的不携带参数切换tab刷新是刷新的当前模块...

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

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java ee 6 - XA or non XA in JEE

I have question about this paragraph "Initially, all transactions are local. If a non-XA data source connection is the first ... ? So we can mix xa updates with readonly non xa?...

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

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CSS 3 make circle bottom shadow full

Hello I have a problem with a circle, I want to create a separation effect. I use box-shadow property: box-shadow: 0 1px ... ,css How I can make box-shadow full and left and right?...

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

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php - Search with comma-separated value mysql

i have 2 tables customers and imap_emails. customer table contain emails of customers. I am using PHP-IMAP to fetch email ... i cannot use relations on this table ) Please advice....

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

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spring boot - How to create unit tests with MockMvc for your REST controller

I have a REST controller and I want to create Unit tests for my controller and I'm not interested in loading ... -boot application, the requirement is to use junit5 and MockMvc....

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

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<jira-ruby>: Access Jira field's unique values available in the pull-down

Using the jira-ruby gem, I need to be able to query the drop-down menu for a custom field to see the ... = project.issues.first.attrs['fields']['SAMPLEFIELD'].values thx!...

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

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c# - How to calculate a cumulative interest?

I am trying to make a financial calculation of cumulative interest. For example: a capital of 5000€ over 5 years. The Math.Pow does ... de 2% sur 5 ans " + "Simulation : "); } }...

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

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Created a page in "my templates" in wordpress and no i want to add this page in the footer

I am using astra theme in wordpress, and i created a page in "my templates" now i want to add this page in the ... how can i address this page from "my templates" in my footer?...

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

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javascript - each element appearing one time from each list

I am displaying 2 images side by side. I am trying to randomly sort 2 lists, when each item in the list one has been displayed ... " src="js/main.js"></script> </body> </html>...

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

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java - I want to use parent directory‘s parent directory

I am making a Java program and I want use parent directory's parent directory， as I want to change the content of a file ... .(pfun.java:13) ... 1 more Can you recommend anything?...

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

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Launch Python Script by clicking a HTML button mixed with an Ajax Function

I wrote a Python script, on one side, which should let me send some commands to network devices. On the other side, i have ... code guys? Thanks in advance and all the best ;-) !!!...

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

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