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Postgresql 日期时间怎么以yyyy/MM/dd HH:mm:ss形式存储

### 问题描述项目需要将时间类型以yyyy/MM/dd HH:mm:ss形式存储,postgresql用的不多,数据库版本用的是96版本的不知道怎么设置...

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

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650 views

1 answer

HID actividentity keychain token locked

I have a hardware actividentity keychain token. The pin was entered wrong many times continuously and the token is locked. ... ui. Is there any way to unlock the token....

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

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781 views

1 answer

DolphinDB在数据节点上创建database时报错：need 2 datanodes, found 1

使用DolphinDB搭建了三个控制节点的高可用集群，集群信息如下：物理机1：controller1，agent1，datanode1，datanode2 物理机2：controller2 物理机3：controller3 我用GUI连上了控 ... for write, need 2 datanodes, found 1 请问怎么回事？...

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

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672 views

1 answer

Nuxt.js 引入的JS文件大于500KB导致BABEL报错

如题,run dev 报错: [BABEL] Note: The code generator has deoptimised the styling of XXX.js as it exceeds the max of 500KB. 百度过都是在根目录新建 ... less": "^3.12.2", "less-loader": "^7.0.1" } }...

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

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832 views

1 answer

geolocation - R Compare latitudes and summarise results for each row

I have a dataset of rental advertisements. For each advert I have its precise latitude (and longitude but let's take just ... there a way to summarise the data the way I described?...

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

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923 views

1 answer

amazon web services - Why am I getting "YAMLException: bad indentation of a mapping entry" on AWS Cloudformation?

I am starting to learn/work with AWS and Cloudformation, I have this: Type: 'AWS::EC2::Instance' Properties: SecurityGroupIds ... Any advice or tip? Thank you so much for your help...

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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vue npm run dev 正常，但是build就报错是啥原因

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

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1.0k views

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How to display input method picker list title and summary in textview android?

i am sing keyboard view to select. After selecting the keyboard, how to display the selected keyboard text in textview android? ... for change keyboard need to display } }); } }...

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

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1.1k views

1 answer

每次push node项目基本都收到这种邮件，请问什么意思，要怎么处理或关闭

### 问题描述每次push node项目到github基本都收到这种邮件，说Run failed for master 请问为什么会收到，这个是什么意思呢？ ### 相关代码点击view results会跳到这里，请问和这里的报错有关吗？ ... for master 了呢？ ### 你期待的结果是什么？请问什么意思，要怎么处理或关闭？十分感谢 ...

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

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1.2k views

1 answer

axios中get请求可以使用表单提交FormData吗？

前端新人，最近在做一个支付接口的对接，接口是get请求：但是请求之后报has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the ... 种方法后还是报想同错误，请问各位大佬使用axios的get请求如何进行表单提交？...

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

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1.2k views

1 answer

C#的Graphics的GetHdc的释放问题

当我用Graphics的GetHdc时，结束的时候无论我用ReleaseHdc()，还是ReleaseHdc(hDC),还是ReleaseHdcInternal(hDc),内存都不能释放代码如下： Graphics g = Graphics. ... .ReleaseHdc(destDC); g.Dispose(); 麻烦问一下谁知道这是为什么呢？...

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

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1.4k views

1 answer

dart - Flutter null-safety migration

When I use the dart migration tool, it suggests that casting for builder of AnimatedBuilder: Added a cast to an expression (non-downcast) Is this really necessary?...

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

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1.4k views

1 answer

JavaScript中dom调用的一个问题

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

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1.5k views

1 answer

python - json array to pandas dataframe and write it to csv

I have a json array like below and i wanted to convert into a pandas dataframe and write it into a csv finally. I have ... results/0101/a.csv', mode='a', index=False, header=True)...

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

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2.5k views

1 answer

React Native WebView is not getting loaded same url request second times

I am using react-native-webview in my project and i facing issue while loading the request second times. Here is ... above request but second time webview is not getting loaded....

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

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2.9k views

1 answer

请教各位大佬如何通过js修改element组件的样式

问题描述请问各位大佬通过js修改element-ui的样式呢已经可以在css中通过/deep/+经编译后的id进行修改，如： /deep/ #tab-name{ &nbsp &nbspfont-size: 16px } 可是如何用js来动态修改对应id的样式呢如何在js中使用css中的/deep/呢...

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

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3.0k views

1 answer

vue项目中添加echarts-gl 报错请教怎么解决？

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

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3.0k views

1 answer

这个问号是怎么回事

这个问号是新语法么...

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

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2.9k views

1 answer

关于vue props传参的一个写法问题内附代码

<commonHeader :title="'自定义标题'" :iconShowFlag="true" ></commonHeader> props:{ title:{ type:String, default:"" }, iconShowFlag:{ type:Boolean, ... 不想写成 :title="'自定义标题'" 这个应该怎么写呢请教...

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

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3.8k views

1 answer

javascript - jQuery: Multiple selectors in a single variable

I'd like to create a function triggerd by certain classes. I tried it like that but it didn't work :( var ajaxlinks = ... ajaxlinks.click(function(e){ ... } What am I doing wrong?...

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

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3.6k views

1 answer

spring boot的状态机StateMachine有啥用？

用于什么场景下啊...

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

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3.7k views

1 answer

vue图片压缩得时候错误，有没有遇到同样错误的！

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

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3.8k views

1 answer

怎么打开eslint自动格式化功能？

eslintrc.js module.exports = { root: true, 'extends': [ 'plugin:vue/essential', '@vue/standard' ], rules: { // allow ... }, parserOptions: { parser: 'babel-eslint' } } 怎么配这个js？...

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

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3.9k views

1 answer

在 docker 中安装 nginx.conf 挂载失败

是的，我快疯了 docker run -d --name nginx --restart=always -p 4000:80 -v /share/Container/nginx/html:/usr/share/nginx/html -v /share/Container/nginx/ ... 是目录，两边都是文件的各种挂载方法，都不行？谁能救救我，我快疯了...

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

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3.8k views

1 answer

这个rsa算法哪里出错了呢? 为什么算的不对

public static void main(String[] args) { int x = 3; int y = 11; int n = x * y; int m = (x-1) * (y-1); // 20 //e ... .print(aByte+ ">>"); } System.out.println(); } 1 97>> 25>> 31>>...

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

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4.0k views

1 answer

angular - cd.markForCheck and cd.detechChanges not updating children

I'm learning Angular's Change Detection and created an example with the OnPush strategy. In the parent component I'm ... would like to understand why the CD does not work here....

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

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4.1k views

1 answer

前端UI套件 wijmo

我的前端项目使用 Angular ，现在找一个UI套件 wijmo，想确认下是不是如果不使用有“企业”标记的组件或者特性，我是可以免费使用这套UI的？这套UI的官网是：https://www.grapecity.com/wij... 看下图中有部分组件标记了 ENT...

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

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4.0k views

1 answer

python - Unable to click dropdown when using selenium

I am using selenium to help download files. I run into an issue where I cannot click on this dropdown menu. I ... advance for all of the help! Just getting started with python....

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

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