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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!...
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Feb 5, 2021
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welcome
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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')...
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Jan 27, 2021
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hive
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394
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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...
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Jan 27, 2021
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python
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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。。。...
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Jan 27, 2021
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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?...
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Jan 27, 2021
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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....
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Jan 27, 2021
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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?...
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Jan 27, 2021
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311
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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。...
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Jan 27, 2021
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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~...
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Jan 27, 2021
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479
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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 %}...
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Jan 27, 2021
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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?...
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Jan 27, 2021
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css
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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...
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Jan 27, 2021
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impdp
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516
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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 ...
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Jan 27, 2021
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js
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578
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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?...
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Jan 27, 2021
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Technique[技术]
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CSS
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600
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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!...
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Jan 27, 2021
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Technique[技术]
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595
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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...
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Jan 27, 2021
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regex
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votes
978
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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 ...
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Jan 27, 2021
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es6
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652
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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...
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Jan 27, 2021
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Technique[技术]
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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
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Technique[技术]
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71.8m
points)
How
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
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Technique[技术]
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深蓝
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71.8m
points)
javascript
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:...
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Jan 27, 2021
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Technique[技术]
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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
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Technique[技术]
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深蓝
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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
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Technique[技术]
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71.8m
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testing
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...
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Jan 27, 2021
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Technique[技术]
by
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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
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Technique[技术]
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深蓝
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71.8m
points)
0
votes
957
views
1
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@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() ] } `...
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Jan 27, 2021
in
Technique[技术]
by
深蓝
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71.8m
points)
@vue/cli
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
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Technique[技术]
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71.8m
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c#
0
votes
847
views
1
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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?...
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Jan 27, 2021
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Technique[技术]
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71.8m
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0
votes
948
views
1
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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]
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深蓝
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71.8m
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