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python - error while installing pgadmin4 in ubuntu 18.04

I'm trying to install pgadmin on ubuntu 18.04, but i'm getting following error. I also tried to rm and reinstall ... configure -a but its not working plz anyone help me with this...

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

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xcode入门新手提问

这是什么意思？ = = ？...

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

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python - How to identify a number in a column and add a specific number in that number

I have a file CASE.dat file # X Y Z TARGET MY DIST MY DATA ------------------------------------- ... 047794 0.00344 0.068566 -0.004345 0.013877 0.037595 -0.025628 0.025026 0.008999...

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

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android - App runs on device but crashes on emmulator

I have an app that works perfectly when run on my phone device. However, it crashes when run on the emulator. 2021- ... but everything looks ok and runs fine on my actual phone.....

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

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python - boto3 sqs incorrect url when not specified endpoint url

Do I always need to specify endpoint_url when creating boto3 client? Why can't I specify QueueUrl as method argument? # ... sqs queue. But why it does not take value from QueueUrl...

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

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关于React Hook 分页条件查询切换条件当前页不变的情况

问题描述当点击下一页后在切换分类时当前页不会改变，正常情况下切换分类后当前页应该会变为1，后来我用如下代码尝试后发现每次切换分类会发两次请求如下图正确的应该是没有第三次请求问题出现的环境背景及自己尝试过哪些方法下面是相关代码 ... 你期待的结果是什么？实际看到的错误信息又是什么？希望是切换分类不会发两次请求，正确是结果应该是没有图中的第三次请求...

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

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asp.net - CodeOnTime: Search function returns too many results

I'm using CodeOnTime (Touch UI) as code generator. I have a page which is filtered by a URL parameter which works fine. ... in the first place). Any idea how I can solve this?...

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

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How to solve this problem "permission denied”, when I start `docker compose up`?

When I just run docker build, I don't have any problems. But, when I start with docker-compose up : Cannot ... . dockerfile: service.dockerfile platform: linux ports: - 8080:8080...

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

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try catch里加outer: 是什么操作

看preact源码src/diff/index.js 75行有一个outer: 不知道是什么意思...

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

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请问前端请求数据，为什么没有响应内容啊？

...

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

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关于python遍历字典基础

for key in dict 和 for key in dict.keys() 它们有什么不一样吗？我看教程好像除了第二种多了 .keys() ，好像没有区别啊？ x = {'a':'A', 'b':'B'} for key in ... x = {'a':'A', 'b':'B'} for key in x.keys(): print(key) a b...

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

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请问ant design自带的modal的header能添加组件吗？

就是功能是一个modal header是title+一个select 会根据你的select，modal-content展示不同的页面，但是没找到这样的demo，官网也看了文档没找到答案，求大神解解惑，谢谢大家...

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

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method 返回的数据，在created里面拿怎么是空啊

method 返回的数据，在created里面拿怎么是空啊...

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

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151 views

1 answer

javascript - javscript bootstrap display form input value on console

I want to display the form value in the console but when I use getelementsbyclass is change the form content in bootstrap AND ... (msg) console.log(JSON.stringify(output,' ',2)) }...

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

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excel - Vba to perform gap analysis

My goal is to perform a gap analysis in one excel column that has consecutive numbers and have all missing values copied to a new ... ("B2").Resize(k) = c End Sub Thanks in advance...

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

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linux - How can I execute an MySQL command through a shell script using if -else for condition based?

i am using this code for getting my desired output for automation purpose but always face error relate to if condition........ ... am new in shell script . Thanks in advance!!!!!!!...

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

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python - Fail to show a DataFrame with PySpark - Apache Spark

I am giving my first steps with pyspark and I am facing an issue when following one of the common ... .ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) ... 1 more...

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

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ant design vue pro 多页签模式下，根据需求进行组件缓存

ant design vue pro项目中，选择多页签模式，会通过项目中的RouteView组件，利用keep-alive对打开的组件进行缓存，方便切换标签时，使组件保存当时的状态但这样会对所有组件都进行缓存，即使通过标签页关闭后 MultiTab组 ... 前销毁的那个组件，该组件就会新生成一个实例完全懵逼了，不晓得怎么处理，求大佬搭救，给个思路 ...

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

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sequelize如何让多对多查询返回的某一属性是数组？

在多对多情况下，通过中间表来连接两表(人物表、业务表)，一个人物会有多个业务，通过belongsToMany through中间表来连接。现在查询的时候，include模块之后返回的数据一个人包含多条，而每一条只有一个业务。这种情况下，会导致分页查询计算(findAndCountAll)的时候返回的count是比原来多的，请问有什解决么方案吗...

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

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[已解决] 求一个HTML代码

已解决，谢谢 HTML单文件一个倒计时代码切换页面会暂停找了半天没找怎么弄谢谢...

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

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如何用react-testing-library去标记state的改变

如何去在单元测试中检测state的变化代码是这样的 let defaultProps:any=null; beforeEach(()=>{ defaultProps={ options:[{label: 'aaa', value: '111',}], ... 我这里执行了点击事件之后，会改变defaultProps里面的值,我怎么检测到值的改变呢？...

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

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vue 动画自定义事件

不太熟悉vue，不知道这段代码是什么意思？来自于 nutui：（https://github.com/jdf2e/nutu...）的 popup 组件，我知道 emit 是自定义事件，但是为什么我没有找到 opened 方法呢？...

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

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Adding an element to beginning of linked list C

I am new to programming and currently trying to figure out linked lists in C. I have created a simple list with three ... function don't get saved globally. Thank you in advance :)...

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

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reactjs - App fails to load on some platforms after upgrade to React 17

After upgrade to React 17, the app fails to load on certain platforms. It still works well in modern Chrome for ... to render a collection of children, use an array instead....

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

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TypeError: 'Job' object is not callable (Schedule package in Python)

I am coding some bot in python and thinking everything works I stumbled across a very strange error: Traceback (most ... .do(post) while True: schedule.run_pending() sleep(5)...

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

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css刷新会闪出隐藏的内容

var executive1 = document.getElementById("executive1"); executive1.style.display = "none"; var arr = [executive1]; var changediv = ... == 0) { executive1.style.display="block"; };...

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

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python - Scrapy: information scraped using Crawler doesn't match information scraped using the scrapy shell

I am trying to scrap car prices from this website: https://www.lacentrale.fr. I wrote a simple CrawlSpider that manages to crawl ... "]/script').re(""vehicleGearbox":"(.*?)"") }...

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

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How can I make my vue.js page collaborative?

I have an vue 3 app that I currently only run locally in dev mode. What I want to achive is to allow multiple users ... info to answer this question, I'm unsure if I included all....

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

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