Recent questions in Technique[技术]

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C# Complex object containing dictionary<string,bool> XML deserialization issue

XML to be deserialized: <CheckOnlineStatus xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http:// ... -Attributes-to-dictionary Can someone please help here. Thanks....

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

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问下大家,对于字典这种数据结构,在你们熟悉的编程语言中是如何命名的?

各种命名规范如何使用... 我总有一个问题, 字典变量名总是无法表达自己的意思,例如数字到对应英文的映射 1: one, 2:two;用驼峰法 num2en, 用下划线 num_en,驼峰法还好,下划线方式总感觉没有表达映射那种意思...

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

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506 views

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python - Fit best estimator on all data (X_train, X_test) after pipeline

I created a pipeline for imputing nan values, SelectPercentile for feature selection and GridSearchCV ... .best_estimator_ mean_absolute_error(y_test,grid.predict(X_test))...

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

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595 views

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sharepoint online - Check out not required but created files are in check out status

Today, for the first time, I watched an anomaly behaviour in all my SPO sites (all in classic experience). I have ... " status. My problem is I need these properties are visible....

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

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885 views

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mysql - This correlated subquery example seems wrong

I found this example on https://sqlbolt.com/topic/subqueries Isn't the "dept_employees" on the last row of ... 1054. Unknown column 'dept_employees.department' in 'where clause'"...

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

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python 使用 Selenuim怎么抓取动态生成的html内容？？？

python 使用 Selenuim抓取的网页内容，但是动态生成的部分无法拿到？还有其它办法可以拿到吗...

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

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1.1k views

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reactjs - React Enzyme test Child Component if is rendered

Hi I have problem with Enzyme how to make test on parent where child component will show only if status = 'visible'. Here ... table-info') expect(component.length).toBe(1) }) } })...

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

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823 views

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VUE接入这个jQuery效果好接入吗？

首页登录页面领导让接入这个水波纹效果这个应该是用jQuery写的不知道用在vue框架中好接入这个效果吗？用了vue以后就没用过jQuery了效果...

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

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1.1k views

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mysql断电重启，binlog感觉有遗漏的问题

做了主从数据库放在阿里云，然后主库阿里云莫名其妙服务器挂了，当时过了没多久就重启了，现在发现主从从当时就挂了，然后就查binlog，想定位到同步终端的地方，结果从库能看到创建时间49分24秒的数据记录，binlog里却 ... 50分01秒开始，49分应该是我重启主库mysql的时间（不确定是几秒时重启的），难道是mysql启动时binlog记录会遗漏一些？...

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

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1.3k views

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一个方法怎么只初始化一次

我有个分页接口，先要查total总条数在初始化分页组件，这个分页插件怎么只初始化一次,现在我用settime表面上搞定的，但是肯定不是这样，有思路吗？谢谢 $.ajax({ ... ... ... ... }); setTimeout(function(){ $("#page").initPage(tot, 1, GG.kk); },1000)...

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

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1.8k views

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react 和Vue

学react从入门到放弃应该怎么办？...

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

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2.1k views

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有谁知道下面这个抛出的异常是什么意思？

APPLICATION FAILED TO START**Description:Failed to bind properties under 'spring.jpa.database' to org. ... your application's configurationProcess finished with exit code 1...

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

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3.0k views

1 answer

ios - I keep getting the "unrecognized selector sent to instance" when i tap the login button that should open the Firebase Auth UI

I am very new to coding and app development and I am working on my first project. I have a navigation ... segue after authentication is complete The app is called "Statera"...

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

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2.0k views

1 answer

How to merge two datasets with common elements in column rows in R

I have 2 datasets, one with around 4000 and the other with about 1200 rows. I wanna merge these two by their Column A to have a ... 6L ), class = c("tbl_df", "tbl", "data.frame"))...

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

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3.3k views

1 answer

python - Efficient way to create copy of custom class

I have a custom class with a property that is a list of instances of a different custom class. I want to be able ... manipulation, but I did not see how to apply it here....

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

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3.5k views

1 answer

tinymce 图片出现corb 警告，图片无法加载

tinymce 上传图片成功获取图片的时候出现corb警告，导致图片不显示，用的文件服务器 minio...

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

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3.7k views

1 answer

Getting `ssh client_loop: send disconnect: Broken pipe` on ipv6

I started getting ssh client_loop: send disconnect: Broken pipe on ipv6 after some inactivity time on ssh after my ISP switched ... is set to Native Any ideas what it could be?...

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

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5.2k views

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flutter provider - Bloc isn't found in the widget tree

Because the code is to big I will try and sum it up in words. This is the latest exception: Error: Could ... used multiple Builder widgets but I am always hit by this exception....

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

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3.6k views

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为什么我在js 的mouseomve里写一个计时器，计时器里调用的是外面写的一个方法·，这个方法不能加引号

function nn(b){ console.log(b+1) } setInterval("nn(3)", 10) nmousemove=function zz(){ setInterval(nn(5), 10) //nn(5)不能加上引号，他只输出一次 }...

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

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3.6k views

1 answer

mac os docker build dockerfile volume 目录创建失败?

FROM ubuntu:16.04 VOLUME ["/root/share1","/root/share2"] docker build -f ./dockerfile -t ubuntu-volume-test:16.04 . docker ... "Entrypoint": null, "OnBuild": null, "Labels": {} },...

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

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3.8k views

1 answer

spring框架有使用Lombok吗？

之前有人说spring也已经在用lombok了，但是ide里使用lombok都是要单独引入的，想确认下spring有使用lombok吗？...

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

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4.5k views

1 answer

dockerfile - How to pass args to docker run for python?

I edit my Dockerfile from the feedback I received. I run my python script with args python3 getappVotes.py --abc 116 --xyz 2 -- ... CMD ["--xx 116", "--yy 2", "--processall"]...

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

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4.0k views

1 answer

postgresql - How do you test for unmatched tables when using outer join (Many to Many)

In sqlalchemy, how to you test for unmatched tables when using an outerjoin on a many-to-many relationship. I'm working ... hasn't been created for a given Student / Session pair?...

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

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3.7k views

1 answer

请问3个vuejs里面的$refs有什么区别？

第三个是我自己写的。前2个是模板里面的。请问第三个为什么和前2个长相不同？也无法调用如图：...

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

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3.9k views

1 answer

scala - How do I use these functions to check for bounties

As the player moves they can collect bounties. I am trying to use the below functions to collect the bounties and also ... , but with parameters for x and y, from checkBounties()....

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

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3.6k views

1 answer

求问在nestjs中mongoose多表查询的时候有示例吗

感觉这个装饰器这么搞都不会 loopup populate 都不知道怎么用上去，用装饰器定义的schema 有示例代码吗谢谢...

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

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3.7k views

1 answer

eslint 校验输出报错，有没有大佬遇到过

Configuration for rule "camelcase" is invalid: Value {"properties":"never","ignoreDestructuring":false} should NOT have additional properties. 直接导致eslint校验失效了...

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

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3.6k views

1 answer

c - Is there any way to return a string starting at a certain index without using the library functions

char* string = "Hello, what's up?"; and I want to just return "at's up?"...

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

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