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flutter - Animating between provider stream changes

I have a pageview in flutter with 5 pages, each with its own scaffold. All states are managed through providers of ... but those are rebuilding the UI too... Thanks in advance...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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关于 element 按需引入独立成单独文件的样式问题

如下是我的 main.js 配置 import Vue from 'vue' import App from './App.vue' import router from './router' import store from './store' import './lib/ ... 为什么会有区别呢? 问题找到了但是不知道什么原因~求大佬一起分享...

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

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452 views

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How to set up a build configuration for the debugger in vscode (using flavours in flutter with different entry points)?

I've set up flavours in Flutter. I've two entry points in to the application. lib/main_dev.dart and lib/main_prod.dart. ... I have to set up a new configuration. I'm using vscode....

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

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579 views

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Python 3.8.2 -Try to find chromecast in local Network-PyChromecast

I tried to find my chromecast over the python-module Pychromecast, but I couldn't find any chromecast in my local ... 10 x64 I reinstalled the module and reconnected to the network...

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

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295 views

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php - Laravel pagination does not exist

I'm trying to create a pagination, the problem is, is that when I trying to create the pagination I get this error Method ... /table> <div> {{ $products->links() }} </div>...

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

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320 views

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Python and pygame error message "image not found"

I've installed python 3.8.7 on my mid 2009 macbook pro,and can't seem to properly install pygame on it. I' ... -packages/pygame/base.cpython- 38-darwin.so Reason: image not found...

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

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358 views

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reactjs - Django foreign key field not updating with selected value from React Select dropdown

I have a webpage in my issue tracker project that allows a project manager to assign a user to a project. I ... .ForeignKey(Users, null=True, blank=True, on_delete=models.CASCADE)...

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

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608 views

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svn命令提交一个文件夹下的内容，排除指定的文件和文件夹，命令如何写？

svn命令提交一个文件夹下的内容，排除指定的文件和文件夹，命令如何写？比如a文件夹下有b c等等十几个文件夹，还有一个文件a.lock 怎么用svn命令提交a文件夹，但要排除里面的b文件夹和 ... svn:ignore 'a.lock' . svn propset svn:ignore 'b' . svn commit -m "xxx" 这样写可以吗？...

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

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510 views

1 answer

aws lambda - AWS API Gateway- Offset-Limit

I am working on a Warehouse Management System using AWS services. We are using API Gateway. What is the best way to ... : int32 maximum: 100 minimum: 1 type: number style: form...

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

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821 views

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visual studio - C# cant find a unity auto generated class

Okay so I'm learning to use the new InputActions and I've created a C# scripts using https://prnt.sc/oyaj5l ... : MonoBehaviour { private PlayerControls controls; // ERROR HERE } }...

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

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293 views

1 answer

html - Bootstrap Collapse Item Misaligned only on IOS Devices

I'm using Bootstrap 5.0 to make a responsive wep page. Using Collapse item to display links after on click to main element. It ... ; } collapse-item { /* position is not set */ }...

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

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226 views

1 answer

c# - Building vdproj with Jenkins

I have a C# project which I would like to automate using Jenkins All C# projects work fine with MSBuild but I have 4 ... no idea how to fix this issue and would love some help!...

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

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602 views

1 answer

腾讯云服务器CentOS中MySQL数据库被删除的问题排查

今天早晨发现腾讯云服务器上MySQL数据库被删除了。。。汗流的满脸都是啊。。。然后查看手机发现昨天晚上7：03最后一条推送消息，可能数据库是在这个时间之后被删除了，我现在想要追查下具体什么时间点删除的，怎么删除的，自己一点思路都没有，请教大佬支招。系统是CentOS7，只删除了用于推送微信服务号模板消息的数据库，该服务器上还有其他数据库都没有问题...

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

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305 views

1 answer

javascript - amCharts 4 - Include titel and watermark in exported image using .export()

How to include an image title and a watermark but only into the exported image using .export()? This example shows ... 0.5; watermark.marginRight = 10; watermark.marginBottom = 10;...

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

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217 views

1 answer

python - Trying to use apply to make operations over different keys in a Panda DataFrame

I have a Panda DataFrame that looks somewhat like this: df = pd.DataFrame({'ID' : ['O60829','O60341','Q9H1R3'], ' ... be an easy fix that I'm not seeing. Thanks in advance!...

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

0 votes

219 views

1 answer

java - Attribute android:configChanges and it's accepted values

Okay, so I know literally know nothing of Java and minimal of Android. With that said, I have run across a certain attribute ... on LG Aristo 5 for Metro. Any help will do thanks!...

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

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577 views

1 answer

怎么获取element-ui表格选中行的DOM并进行操作? 类似于this.$refs这样的形式操作

问题描述 element-ui渲染的table列表中, 选中会默认增加一个current-row的class样式, 现在需要在这个样式展示1S后移除掉...求大佬指点一下...

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

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448 views

1 answer

ag-grid enterprise bundle size

I am using ag-grid but came to know about it's huge bundle size which makes it impossible to add it into the ... ag-grid-community/core module too which again defeat the purpose....

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

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492 views

1 answer

symfony4 - How to add serializer in the services xml file?

I am trying to use Serializer Component in shopware 6 I have create a Serializer Class which I want to inject as DI ... "/> </call> <service> Can anybody help. Thanks....

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

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215 views

1 answer

javascript - Update Incremented Quantity in Order Item Total?

I'm trying to update item totals when an image card is clicked and update the corresponding totals and prices in an order panel. See ... > </div> </div> </a> </div> </div>...

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

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136 views

1 answer

host配置问题

baidu.com 172.0.0.1 这样子配不是应该访问172.0.0.1就会映射到baidu.com了吗，为什么我不行...

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

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459 views

1 answer

Freeswitch 如何在主叫挂断后检测到挂断状态或者事件？

请教个问题 Freeswitch内呼叫命令 originate {execute_on_answer='lua my_script.lua',hangup_after_bridge=true,origination_caller_id_number=12345}sofia/gateway/gw43/54321 ... 如何检测下被叫挂断呢，能让脚本感知到？...

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

0 votes

234 views

1 answer

Embedding a Xamarin.Forms fragment in a fragment causing "child already has a parent" crash

I'm working on a library that would allow you to use Xamarin.Forms Pages with the native navigation service ... at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)...

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

0 votes

216 views

1 answer

element中阻止输入非数字

问题如题在使用例如 el-input 组件时阻止输入非数字（数字允许为小数）我个人尝试了使用的 1. v-model.number 2. 使用 :value 绑定值 @input 做验证并更新值 3. 使用 v- ... 继承到内部标签中代替了vue默认的对input事件处理吗？在标签内可以使用 @input.native替换 oninput 吗？...

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

0 votes

211 views

1 answer

箭头函数this？

var obj = { a: 10, b: () => { console.log(this.a); // undefined console.log(this); // Window {postMessage: ?, blur: ?, focus: ?, close: ? ... 一致在全局代码中，它将被设置为全局对象想问下封闭词法环境到底是什么环境？...

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

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185 views

1 answer

img是不是行块元素（inline-block）？

有位大佬问我元素怎么分类我说block inline-block inline 他又问还有吗，我说没了吧他说那图片呢？我说图片是inline-block 他说你确定吗你在想想我说确定他又问那canvas呢？我看这个规律估计着他是再 ... 是行块元素？ ps：后续我查了一些资料很多都会把图片分类为行块但是没找到如w3c mdn这种的资料说明...

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

0 votes

334 views

1 answer

var a ; a&&a.c==1 为什么不报错？

优先级 . 大于== 大于&& 按优先级解释，为什么不先算 a.c==1 ? 符号优先级...

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

0 votes

205 views

1 answer

问个数据循环输出的问题

前端有个栏目TAB切换效果，使用JQ的一个插件做的代码如下： <div class="slideTxtBox"> <div class="hd"> <ul> <li>学校动态</li> <li>学生动态</li><!-- ... 站有N个栏目，需要在首页上自动循环输出这些栏目，并且两个栏目形成一个TAB切换效果有啥好办法？...

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

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