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xcode - Is it possible to deploy xamarin.forms ios to iphone without apple developer accaunt?

I want to test my xamarin.forms application on my Iphone 11 pro witout Apple developer accaunt I try this but ... application that thrown an erorr he0004 resone image not found...

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

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element tree 卡顿的问题

项目中需要用到 element 的 el-tree 树控件，但是不能使用延迟加载，数据大概 2000 条，没钱非常卡，大家怎么解决呢？谢谢！...

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

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4.2k views

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'relation "django_site" does not exist' only when running Django tests in GitHub Actions

I have a Django 3.1 project with an Admin class like this really simple example: from django.contrib import admin from ... 'm stumped as to why only these Site-related tests fail....

asked Jan 25, 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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846 views

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postgresql 重新设置自增id。大多数时候没有立即生效

由于分库，需要配置某一个数据包起始位置比如a数据库起始1开始，比数据库起始1000开始 create table if not exists "public"."IdCards" ( "id" bigserial constraint IdCards_pk ... ,1, false) 没有立即生效... 但是我看别人电脑都是好好的.... wuwuwu...

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

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739 views

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请问vuecli3.0的配置中autoprefixer该如何配置

下面是我配置的css中，但是autoprefixer没有起效， css: { sourceMap: true, loaderOptions: { sass: { prependData: `@import "@/styles/variables. ... `postcss-loader`和`autoprefixer"请问我还应该怎么配置才可以使它生效 ...

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

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3.2k views

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c++ - Where do pixel gaps come from in OpenGL?

The problem that I have is, that there are some pixles in my rendered scene that seem to be missing/invisible and ... I want to keep the greedy meshing due to performance aspects....

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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The problem for "logback-spring.xml" cannot be resolved

I'm trying to set up "Logback". The xml file was created as follows, but errors occur on the third line of [configuration ... to INFO 23:43:30,737 |-INFO in ch.qos.logback.clas...

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

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Mysql的索引是什么结构

我在网上无数起看到文章说Mysql的索引采用B+树（当然还有别的我们这里只讨论B+树），但是我看Mysql的官方文当里面并没有用B+ tree而是用的B-tree我相信Mysql的 ... [B-trees](https://dev.mysql.com/doc/refman/8.0/en/glossary.html#glos_b_tree "B-tree")...

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

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1.7k views

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sql - Return List of Records where 1 ID is linked to 2 different PKs

First of all, apologies for the title - wasn't sure how to word it. Essentially I have this data: ID RuleID AccountID 1 1234 ABC001 2 5678 DEF001 3 1234 GHI001 4 1234 ABC001...

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

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849 views

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java - Exclude JS (that itself calls urls) on WP pages

The following code makes several filter functions work on our website, and was written by a former dev. It triggers obnoxious ... on the pages we need it? Thanks for any clues!...

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

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832 views

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javascript - Netflix Player addEventListener for timeupdate

I want to listen netflix player for every time is updated. Here my code: const videoPlayer = netflix.appContext.state.playerApp ... }); I tried this but "time updated" never write....

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

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968 views

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是否支持多个表合并

lj(leftTable, rightTable, matchingCols, [rightMatchingCols])合并的是两个表,我有十几个表,每个表之间只有一列是不同的,如何一次性把所有的表合并在一起,而不是两两合并?...

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

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3.7k views

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css父元素设置为grid且overflow-y = auto时父元素的padding-bottom不生效

如下是一个grid布局示例，给content区域设置了padding: 24px，但是当content区域出现滚动条时content的padding-top,padding-left,padding-right都生效，唯独padding- ... rgba(0,117,222,0.10); grid-area: footer; } </style>...

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

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3.6k views

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请问如下为什么div会把margin伸出到header之外

请问如下为什么div会把margin伸出到header之外，如何，让他向上的margin在header内，就是从margin的border算起？ <!DOCTYPE html> <html lang="en"> <head> <meta ... style="margin:5vh">通讯正常</div> </header> </body> </html>...

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

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3.5k views

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flutter listtile的上下部份空隙怎么控制?

如图所示，红色框框部份的空隙怎么去掉啊？外面包一层Container也没用啊。...