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can bus - Install Can4Linux on Banana Pi M1

I am trying to install can4linux on my Banana Pi but I have an error: compile with KDIR=/lib/modules/3.4. ... to install everything correctly? Thank you in advance for your help...

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

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1.5k views

1 answer

Oracle Managed Data Access Bulk Copy Error pasing insert statement for table (virtual columns)

We've recently moved to use Oracle.ManagedDataAccess in our application now it supports Bulk Copy. The problem is it ... and the ManagedDataAccess client is 19.10.0 Any ideas?...

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

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1.2k views

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MySQL使用字段自定义字段排序后，查找上一篇下一篇，但是查找上一篇不正确，怎么办？

这是正常排序情况：以下是查找上一篇的sql： SELECT * FROM article WHERE sort >= 0 AND time >= '2020-10-25 14:15:56' ORDER BY sort DESC,time DESC; 得到结 ... ', '内容5', '0', '2020-10-25 14:15:56');` 求大神指教！...

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

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1.5k views

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getHomeDir()得到的路径有双斜杠//

本地GUI远程连接服务器上容器内的数据节点,路径下为何有两个//...

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

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1.4k views

1 answer

video streaming - Is it possible to set up ffmpeg as a repeater?

I am using this PyLivestream library to stream files to youtube. the problem is that once it finishes each video ... I can still use PyLivestream to stream the individual files....

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

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2.1k views

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bluetooth - Unable to unpack

I am getting below errors while parsing BLE packet. Any suggestion how to fix this? Packet b'x04>+ ... a bytes-like object is required, not 'int'**...

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

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1.9k views

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Promise如果一直没有resolve，await会一直等待吗？

代码如下，这种情况，是不是程序一直都在等待。 function foo(x) { return new Promise((resolve) => { if (x > 1) { resolve(11) } }) } async function test() { let a = await foo(0) alert(a) } test()...

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

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2.9k views

1 answer

javascript - Bug while trying to get the size of a div

I'm using Vue. I have a div which look like this: <div :style="'width:' + imageSize.width + 'px; height:' + imageSize ... i get 500 i should get 600 and so on. Thanks in advance!...

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

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3.2k views

1 answer

Azure SQL Single DB (Serverless) Autopause vs SSMS (SQL Server Management Studio)

We're running Azure SQL Single Database (Serverless tier) and are having problems with our development environment SQL servers ... is calling this query and how to turn it off?...

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

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3.4k views

1 answer

关于class中的函数问题

为什么在class中的普通函数会挂在className.prototype下面，而箭头函数是挂在类的实例下面举个例子吧 class F { handleX() {} handleY = () => {} } ... ' // false 主要疑问点？？？ let ff = new F typeof ff.handleY // function...

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

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3.7k views

1 answer

vue-i18n国际化如何将返回的数据做成可改变语言?

1,select下拉框的内容（这里下拉框是请求接口拿的数据） 2，表格的内容...

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

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3.7k views

1 answer

据说iPhone 12 有泛绿的情况？

据说iPhone 12 有泛绿的情况，还是比较严重的？！哪位知情的说说，苹果打算怎么处理这个事情？新闻来源...

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

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4.0k views

1 answer

golang 语法问题，困扰一个小时了，呜呜呜

处理一个二维数组，在二维数组每个元素中加入一个数字7，并再append 到原来数组, 输出的结果不对呀？ [9 0 3 5] 元素变成了 [9 0 3 7] 看输出截图只看我备注下面 ... = range res { res = append(res, append(v, 7)) } fmt.Println(res) return res } 输出：...

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

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4.1k views

1 answer

flutter键盘文案自定义

textInputAction 文案自定义...

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

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4.3k views

1 answer

python - Adding new line in the cursor position in QTextEdit

I want to add new line in the given cursor position in QTextEdit. I tried what's below. Here new ... textEdit.moveCursor(QTextCursor.PreviousWord) self.textEdit.insertHtml('<br>')...

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

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5.1k views

1 answer

vue element ui表单验证，输入框的表单验证，设置为数值型，类型验证可以通过，但min，max处一直报错。

...

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

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4.0k views

1 answer

vue项目，拖拽事件，pageY受滚动的影响了

如图，实现效果为拖拽至左边任一矩形框中通过拖拽结束时，鼠标松开事件确定鼠标的位置图中每个矩形框的高度一致且固定，当数量超过3个时候就会出现滚动条这是测试鼠标位置的代码这是标签绑定的鼠标结束事 ... 滚动时打印的pageY与clienty 可见，出现了滚动条之后，pageY的值并没想象的那样相对page，倒是和client的值一样了，无法理解了...

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

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5.4k views

1 answer

vue.js - VueJS/Typescript error: Cannot find module 'my-module' or its corresponding type declarations

I have a Vue2 setup with Nuxt and Typescript. I'm trying to install the vue-slick-carousel module using yarn but Typescript ... to do next. Do I need to manually define the types?...

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

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4.2k views

1 answer

reactjs - nested problems about react usestate and setstate

Hi I mimic a project and there is no problem but can not display the ui,I am not sure what kind of problem it is.The object project ... )} <p>{rating} of 5 stars</p> </div> ); }...

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

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4.0k views

1 answer

swiftUI 中 padding 调用时间不同渲染的样式也不同

case1: 代码 struct MenuView: View { var body: some View { VStack(spacing: 16) { MenuRow(title: "Account", icon: "gear") MenuRow(title: "Billing", ... 规律可循，在开发中如何确定调用顺序？求大佬答疑解惑，不胜感激！...

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

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3.7k views

1 answer

element-ui表格hover效果错误怎么办？

我鼠标hover在第5条数据，本来应该第五条数据变灰色的，结果是第三行变灰了，其他行也是同样的bug，完全错乱了。。。...

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

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4.5k views

1 answer

javascript - Loop through divs and add onmouseover

Really struggling with this one, although I know the solution should be simple. I have set of divs Each div includes an icon ... <div class="price__pills"></div> </div> </div>...

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

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4.9k views

1 answer

onenote - How to resolve non-descriptive Microsoft Graph error

There have been other posts on this, however they are pretty old now and seem to be related to the token. However, I ... -request-id": "26fe3dd4-a73b-4d3a-93b6-6c9008a8b0e8" } } }...

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

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4.5k views

1 answer

Upload multiple Laravel sites to a single domain with Forge

I have created some sites with Laravel and I would like to upload them to a single domain (without subdomain, but ... proceed? I use Laravel Forge and DigitalOcean. Thanks, Andrea...

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

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4.6k views

1 answer

php symfony in docker

I have a dockerfile to start a symfony server. The Dockerfile contains: RUN composer install --optimize-autoloader RUN ... How can i make symfony not test the db connection?...

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

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4.2k views

1 answer

关于使用第三方地址问题

近期项目中有考虑使用高德的省市区的接口，但抛出的疑问是当第三方省市区的ID变化，例如区域合并...自身库中已存在的数据是否会有影响，有没有对接过这方面的大佬详解一下？...

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

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4.2k views

1 answer

js中的变量，可以在sass中使用吗？

我想根据js中的变量，动态去算一个div的top值。比如说Js有一个变量, height = 150，怎么样在sass中获取这个值，并且把值赋给top属性呢。...

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

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3.9k views

1 answer

sql - Displaying data present in multiple columns

need a little help. I am working on SQL server and I need to display data that is in multiple columns ... that Partname, supplier01, supplier02, supplier 03 columns are navchar....

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

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