Jonic Developer Community

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Welcome to Our Knowledge Sharing Community-Open, Learning,Share

Welcome to developer's Knowledge Sharing Community-Open, Learning,Share 欢迎来到程序员专属的知识分享社区! 一个分享知识，传递知识，学习知识的社区！...

asked Feb 5, 2021 in Others[杂七杂八] by ostack (1.4k points)

0 votes

1.0k views

1 answer

hive - Adding partiitons to a table in GLue Catalog

I have an external partitioned table defined in Glue catalog, with data stored in S3. When I run MSCK REPAIR TABLE {table}, then I'm able to ... 's3:/location' TBLPROPERTIES ( 'bucketing_version'='2', 'transient_lastDdlTime'='1610446119')...

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

0 votes

394 views

1 answer

python - how to remove extra space from infront of a dictionary's keys?

I have a dictionary. There are some space infant of keys. How I can remove all of these space and keep only one space infant of keys? I made the ... '1ST'].str.lower()+ ' ' JobAbbreviation=dict(zip(Abbr, Title)) return JobAbbreviation...

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

0 votes

424 views

1 answer

antd-vue的table滚动条问题

如何拿到table里的滚动条？ref拿不到。。。。需求是table滚动条展示数据，但数据量有点大，要求滚动到一半加载一段数据，table的滚动条死活拿不到。。。...

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

0 votes

451 views

1 answer

请问如何将for循环每次得到的结果都return?

如下方代码所示 const expandedRowRender=()=>{ for(let i=0;i<duiying.length;++i){ return ( <Descriptions bordered column={{ xxl: 4, xl: 3, lg: 3, md: 3, sm: 2, xs: 1 }} ... ，会得到最后一个数据请问如何将每次循环得到的数据return一个<Descriptions>，最后统一在expandedRowRender中返回呢？...

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

0 votes

243 views

1 answer

How to compile dependency in maven?

Scenario: I have a main level project A and within A , two child projects B and C worked on by different developers , but they agree on the abstraction ... recompiled. I want project C to automatically re-compile every time I compile B....

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

0 votes

734 views

1 answer

vue-cli3默认生成打包的文件名是chunk-hash这种格式的，怎么改能每次生成固定的文件名？

这样每次修改代码后打包生成的文件都和原来完全不一样，能不能生成固定的可读性更强的文件名称？需要在vue.config.js里面怎么改？...

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

0 votes

311 views

1 answer

gorm表与model的关系

请问一下，这个删除模型User的表和删除表user有什么区别，之前是做php的，对这种模型有点模糊。...

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

0 votes

383 views

1 answer

keepalive+lvs

目前有两台centos7.4机器，现既想作为keepalive+lvs转发服务器，又想作为后端服务器，如何进行部署~...

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

0 votes

479 views

1 answer

How To Make Every Fifth Post An Ad Post In Django

I am trying to allow users to sponsor a post to bring more clicks to there posts. I want to make every fifth post a post that is a sponsored post but if i try to ... 't work: {% for item in posts %} //prints products and ads {% endfor %}...

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

0 votes

483 views

1 answer

css - How to add Style to google-maps-react InfoWindow?

I'm looking to style the border of InfoWindow. In the documentation i couldn't find a way to do it. How can i change the style InfoWindow?...

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

0 votes

5.8k views

1 answer

impdp - dump file oracle 11 docker

I used docker oracle database Oracle Database 11g Express Edition Release 11.2.0.2.0 I tried to import a file dmp, but i have the bellow error docker ... file status Linux-x86_64 Error: 2: No such file or directory Additional information: 3...

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

0 votes

516 views

1 answer

js 替换数组中的某个元素。

我用element做了个表格，增加我用push，删除用filter 编辑问题难到我了点击操作栏的 - 我就删除该行 delArrt(item) { console.log(item,'itemitem') this.form2.link = this.form2.link.filter(val => { return val != item; ... 现在得思路是上传后的新Logo跟旧数据里得该logo调换因为我是数据库json转换过来得，没有id 所以不太好找 ...

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

0 votes

578 views

1 answer

CSS 父元素没有被撑开

<div> <div class="fxxk"></div> </div> .fxxk{ width: 2000px; height: 200px; background-color: green; } 子元素宽度设置的很大，浏览器出现了横向滚动条，但发现父元素的宽度没有被撑到2000px，仅仅撑到了浏览器最大宽度。但如果我在父元素上设置display:inline-block，就可以被撑到2000px了，什么原因呢？...

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

0 votes

600 views

1 answer

winforms - vb.net determine Screen

Is it possible to determine the screen where a form is located? Not the position or the Size! I used Dim myScreens() As Screen = Screen.AllScreens Me.Left = ... the form onto another screen, I want to save that postion of that new screen!...

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

0 votes

595 views

1 answer

regex - Print the line matching 'pattern' string, excluding the 'pattern'

I have the following lines in a text file 'file.txt' String1 ABCDEFGHIJKL String2 DCEGIJKLQMAB I want to print the characters corresponding to 'String1' in another text file 'text ... ^string2/{p;/^string2/q}' file.txt | sed '$d' > text.txt...

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

0 votes

978 views

1 answer

es6 generator执行顺序

教程例子如下： function* dataConsumer() { console.log('Started'); console.log(`1. ${yield}`); console.log(`2. ${yield}`); return 'result'; } let genObj = dataConsumer(); genObj.next(); ... 是无效的，yielld没定义值，所以呈现为undefined 教程没详细解释整个流程，所以不清楚我思路错在哪里 ...

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

0 votes

652 views

1 answer

有用过vite的吗

通过用了vite的插件让vite能跑vue2 但是发现好像当代码中有非esm规范的可能浏览器就解析不了了，查了一下，说optimization这个配置启动的话是能自动转的，将cjs转成esm规范，但是不知道为什么一直跑不起来，报这个错 [vite] Dep ... true, rewrite: path => path.replace(/^/api/, '') } }, port: 9876, } export default config 求助大佬...

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

0 votes

746 views

1 answer

How can I setup Xstate to use Redux Dev Tool in angular

I am using xstate for state management in a angular project. I did the this.service = interpret(machine, { devTools: true }).start(); when ... my project. are there any additional setup required other than adding the redux extension....

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

0 votes

830 views

1 answer

javascript - Nodejs - Axios post does not return anything in function

I made a function on the node that makes a request to an api and I need to display this answer on screen, but it does not return anything, if I use console.log I ... { let { vin } = req.params; return res.json(await getAllPrices(vin)); });...

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

0 votes

746 views

1 answer

公众号开发中图片在android上被拉长的问题

各位好，请教一下：如何解决图片在安卓上被拉长的问题？仔细观察了一下，全部图片都被拉长了，不仔细看不容易发现，就像下面两张图，第一张是原图，第二张是在安卓上的效果，明显第二张图上的美女变瘦了：...

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

0 votes

1.1k views

1 answer

leetcode关于mysql中having报错

这是leetcode中刷到的题，但是论坛里问了一遍，这个问题一直没能解决，所以想请教一下为什么这里用having是错的题目如下：我的答案是这样的： select p.product_id, round(sum(price*units) ... .purchase_date>=p.start_date and u.purchase_date<=p.end_date 报错信息： Unknown column 'purchase_date' in 'having clause'...

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

0 votes

1.3k views

1 answer

testing - Angular httpTestingController.expectOne throws even though httpClient.get was called

I have this simple function inside a service: getReports(url: string): Observable<Report[]> { return this.http.get<Report[]>(url); } My test is as ... none. Any idea why angular's testing controller doesn't recognize my call? Thanks!...

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

0 votes

905 views

1 answer

安装了uwsgi后，为什么仍然没有uwsgi这个包？

我使用pip3安装了uwsgi，提示安装成功，但是在代码中却无法import uwsgi，提示无法找到这个包。我到/usr/local/python3/lib/python3.6/site-packages/目录下需要这个uwsgi目录，也没有找到。但是使用pip freeze却能查到这个包： pip freeze | grep -i uwsgi uWSGI==2.0.19.1...

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

0 votes

845 views

1 answer

关于Java内存泄漏的问题

我在网上看到关于内存泄漏的一个例子: List<String> ans = new ArrayList<>(); for(int i=0; i<5; i++） { String str = new String("as"); ans.add(str); str = null; } 除了将ans = null，还有什么解决方法？...

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

0 votes

957 views

1 answer

@vue/cli 4.4.5怎么把项目打包成单一html文件，不要css，js等文件？

需求是将vue项目打包成可以直接单独打开的html文件，类似直接保存的网页把css js文件嵌入到html中，可以直接通过分享html文件打开求解 `// vue.config.js const path = require('path'); ... inlineSource: '.(js|css)$' // embed all javascript and css inline }), new HtmlWebpackInlineSourcePlugin() ] } `...

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

0 votes

1.0k views

1 answer

c# - Washed out colors in PictureBox

When I show a specific image in a PictureBox (or Cyotek's ImageBox in my case, doesn't matter), the color gets a little washed out. Most images ... is? Maybe some specific tag in this image that Windows and PictureBox handles differently?...

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

0 votes

847 views

1 answer

CSS，在文字有line-height的前提下，如何让文字和图片顶部绝对对齐呢？

如图所示，文字p标签其实是与图片顶部对齐的（此处设置的 line-height: 35px）但是视觉上看起来并没有对齐如何解决这个差异呢？...

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

0 votes

948 views

1 answer

页面所有中文转换成其他语言

如上功能图，选择不同语种，将页面所有中文翻译转换。各位道友，有什么好的建议嘛！！！...

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

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