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typescript自动初始化interface 所有值为空字串""

如题。。。 interface A { name: string; } 怎样自动初始化 interface的对象。里面可能有任意属性。比如本例的就是 const x:A = { name: ""}...

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

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vscode prettier {}里面怎样不换行。

已经设置宽度了, keybind.json里不会换 js里会换 "prettier.printWidth": 180, const store = createStore({ mutations: { increment(state)?{ state ... (state, id)?{ state.currentPostId = id;?}, }, });...

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

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.net core - MassTransit. Edit MessageType property for remove unnecessary items

First of all, excuse my English, it's very bad. I am using MassTransit with Azure Service Bus for asynchronous communication ... 15.0.1098" } } Thank you very much. Regards Borja...

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

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在 PHP 中该如何使用 PurgeCSS？

我正在用 Tailwind CSS 写 Typecho 主题，因为 Tailwind 提供了丰富的类，而在我的使用中则仅用到了其中的几十个这导致 CSS 大小造成不必要的冗余这种情况 Tailwind 文档中提供了解决方案，即使用 ... 但在阅读文档的过程中，发现仅有在 Laravel 中使用的方案我并不能将它用到 Typecho 主题开发中 ...

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

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Gradle 4.10.2 执行 bootjar 任务生成失败

失败提示：（what went wrong org/springframework/boot/loader/tools/MainClassFinder）烦请各路大神指点解决以上问题。...

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

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python - MongoDB: Split multi-serie in multiple columns

I have loaded a set of tweet in a MongoDB DB, and calculated the number of tweets grouped per month per User. I have a list as ... 1 15 4 User2 2 25 5 User3 1 12 6 User3 2 22...

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

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django - Chart.js - Multiple bar Charts - Only Show Last Chart

Chart.js - Multiple Bar Charts - Only Show Last Chart.Basically data comes from django and is rendered in the template. ... bar", data: barChartData, options: chartOptions, }); };...

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

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python - How do I loop through all the files of a folder and save the the files in dataframe format with their name of the file?

I have some Bson files along with its json metadata in a folder. I want to access all the Bson files(only) ... ] Permission denied: 'C:/Users/Lenovo/Documents/home/ubuntu/dump2020'...

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

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google play - What is the problem with my Android app icon?

I'm trying to upload my app onto the Google Play Store platform but it keeps refusing my icon even though I've made sure it meets the requirements...

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

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Change background-image of a class dynamically on a date using javascript/Jquery?

I am trying to change the background image of my homepage depending on the season for example change from spring.jpg to ... wondering how far off I am, and if this is possible...

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

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Vue.js 全面教学视频或资源

Vue.js 全面教学视频或资源...

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

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Use of Google Knowledge Graph API in general and for images

I am using the Google Knowledge Graph Search API in an application and I recently observed some changes. The results include no ... API? Is there still a way to get the images?...

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

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Python datetime.replace转换时区为什么少几分钟

datetime(2022,8,5,0,0,0).replace(tzinfo=pytz.timezone('PRC')).timestamp() 得到1659628440，时间戳为什么不是整点；...

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

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java - How do I find an element with xpath?

I'm trying to find a "button" and click it but it has no id. I tried using Xpath and even cssSelector but nothing works. ... (); *has a sintax errors, not sure how to write it*...

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

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design patterns - Generic approach for spark to reuse existing application business logic

Suppose we have an application like say Twitter. The application running is built from compiling a series of classes ... like an existing pattern or work-around? Any help?...

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

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java - Keycloak server as Eureka client

I want to make my Keycloak server works as an Eureka Client. It seems that when the server starts it doesn't find the ... .1.1.jar Do you have any idea concerning this behaviour ?...

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

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MySQL 存储过程更新不及时

### MySQL存储过程更新数据后没有立刻刷新问题描述 mysql 版本 `mysql> status; mysql Ver 8.0.21 for macos10.15 on x86_64 (MySQL Community ... 去查询，可以复现查最大ID一直递增！ SELECT MAX(id) FROM user_send_gift_num ;...

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

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上亿用户登录数据计算留存

现状是将用户的登录数据记录到一个mysql单表如下： CREATE TABLE `user_retention_stats` ( `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT, `login_date` date NOT NULL ... 否有替代单表mysql的方案，可以供海量登录数据准实时计算留存使用？...

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

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What am I missing in my xml document? It is not loading in my browser and I am not sure why

I want to load this xml file into my browser. I know I must be missing an element in my file, because when I load the ... end-time="2021-01-06-03:32:50" /> </acquisition-schedule>...

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

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javascript - Bootstrap 4 modal on page load sans jquery?

I am having great difficulty displaying a modal on page load, using Bootstrap 4. Here is the code for the modal...it comes ... JQuery and do not use it. I thank you in advance....

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

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dijkstra - React Native Maps Using Dijsktra's Algorithm

I have a question is there a way to implement dijkstra algorithm using react native maps to a react native ... to build an app that shows route using dijkstra algorithm....

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

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javascript - NextJS only renders homepage post build

I am making a website on [email protected], In pre-build scenario everything works fine but after running next build and ... _next/ 404.html index.html sports.html about.html Images/...

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

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powerbi - Use category column and measures simultaneously as rows in matrix

Does anyone know if it's possible to use a category column and a measure, at the same time, as rows in a power bi ... 'm needing for this. Thank you all in advance for the help!...

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

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正则表达式-大小写转换的问题

想直接利用正则实现大小写转换，但 U、L 这样的表达式在 js 中没有效果？对 idea 这样的替换工具是有用的。 "foo_bar".replace(/(_)([a-z]{1})/,"U$2") --> "fooUbar"...

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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forwardRef如何在两个Component组件用？

子组件 class ChildComponent extends React.Component { logc = () => { console.log('---child---') } render() { return <div>ChildComponent ... 中的parentRef还是父组件的实例，如何在页面中拿到子组件的Ref???...

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

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302 views

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模板字符串如何绑定事件？

`<input onchange=???>` ?号处如何写如何传 event 参数十分感谢~...

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

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自由组合算法

源数据 [ { "颜色": "红" }, { "颜色": "黄" }, { "尺寸": "14" }, { "尺寸": "15" } ] 结果数据 [{ "颜色": "红", "尺寸": "14" }, { "颜色": "红", " ... " }, { "颜色": "黄", "尺寸": "14" }, { "颜色": "黄", "尺寸": "15" }]...

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

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