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1 answer

Python-Google cloud function deployment failure

I'm trying to upload some python code but I get this: Deployment failure: Build failed: found incompatible ... lot of experience coding, so would appreciate some help....

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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478 views

1 answer

PHP获取私有属性

调用阿里的SDK，返回如下数据： HttpResponse Object ( [body:HttpResponse:private] => { "RequestId":"A7847F5F-959A-442F-9D4F-D9A823857128","AssumedRoleUser":{" ... ) 这些是私有属性，请问我如何获取到这些值呢？谢谢诸位...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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410 views

1 answer

swift - Spawning a process in an app built with UIKit for macOS (Catalyst)

I'm building an application that shares most of the code between macOS and iOS versions (targeting macOS 11 and ... way to resolve this issue within the constraints listed above?...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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112 views

1 answer

python - What's the matter, logic, reason?

I'm a beginner in programming, and I started my journey with Python. In my view, as shown below in the code block, the output ... Hey Hey! I said Hey Hey Hey! I said Hey Hey Hey!...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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166 views

1 answer

关于使用react时页面提示的错误

通过webpack-dev-server运行后修改代码保存页面上会报一个错误这个要怎么解决，是我的代码哪里错了么？...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.6k views

1 answer

socket.io - Read/unread messages in SocketIO React Native chat app

If you get a new message through socketIO connection you can render it on your screen. But how do you ensure ... a screen and uses socketIO connection to receive updated messages?...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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455 views

1 answer

typescript - Call a method in side component when vuex state changes

I want to call a method inside component when vuex state changes in typescript/vue js.I can read the value for vuex state ... => { this.orderLists = data.order_list; } } </script>...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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572 views

1 answer

Activity中的成员变量被赋值之后，Activity被回收的时候内存才会被释放吗

Activity中的成员变量被赋值之后，Actiity被回收的时候内存才会被释放吗 java中一个类中的成员变量被赋值之后，这个类对象被回收时，类中得成员变量才会被释放内存吗...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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447 views

1 answer

ruby on rails - param is missing or the value is empty: message

I built a contact form on my rails app using Sendgrid. When filling up the contact form, this error message shows up ... :3000/ Completed 302 Found in 5ms (ActiveRecord: 0.0ms)...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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337 views

1 answer

vue2: Cannot read property 'xxxx' of undefined

<temlate> {{aaa.xxx}} </template> ///////////////////// 实际代码 ////////////////////////////// data() { ... 码写的话就会出现 Cannot read property 'xxxx' of undefined vue 1.0 是不会出现这样的错误的 ...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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162 views

1 answer

javascript - startup and postCreate function in Dojo

I am new to Dojo library, I come across postCreate and Startup functions in Dojo and I am getting difficulties to ... but no luck. Can someone explain it with lucid example....

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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518 views

1 answer

vuex购物车示例，如何做到减物品库存的

学习vuex购物车示例，他是如何做到减物品数量的，看了下代码，加入购物车执行了addToCart action, action 调用了 types.ADD_TO_CART mutations，cart、product都实现了这个mutation，一个完成加入物品到购物车，一个实现减库存，如何理解同名的mutation...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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221 views

1 answer

JavaScript: Sort array based on a permutation order?

I have a list of N elements with an array of three colors like this: [ { id: 1, colors: ['Red', ' ... = findDuplicates(b.colors); return colorDupsB.length - colorDupsA.length; });...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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723 views

1 answer

pyspark - java.util.NoSuchElementException: None.get Error in show() operation of Spark

I tried to retrieve data from Greenplum database and show it using Pyspark.This is the code that I have implemented. ... for the greenplum versions that are higher than 6.7.1....

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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268 views

1 answer

HDFS Sequence File 存一个大文件，还是存多个小文件？

目前正在使用Sequence File对已有数据进行（BLOCK）压缩有两种存储方式一个大文件，所有记录都保存在这个文件里面多个小文件，文件大小正好和HDFS block大小一致(128MB) 数据split决定mapper数量，而split默认 ... 必要把一个超大的文件分割成多个block大小的小文件？还是有必要分割？欢迎大家讨论下谢谢！...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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680 views

1 answer

nuxt.js - How to create a floating input with vue-formulate and tailwind?

I am trying to create a floating input using vue-formulate. With Tailwind I had already designed the following https:// ... idea how to implement this in the most appropriate way?...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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241 views

1 answer

c# - Is it possible to intercept the get method of a property when said property is marked with an attribute?

Preamble I am using Selenium to run automated tests, and Autofac to manage the dependency injection at runtime. Selenium uses ... (By.Id("username")); Thanks for your time....

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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165 views

1 answer

APP打开的那种视频用H5怎么搞的？

比如今日头条、微信公众号之类的，刚进去会有一个视频动画（不是系统自带播放器），还会有些字，这个是用h5如何实现的？听别人说是抽帧之类的，有大神说说嘛？...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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510 views

1 answer

Ionic在微信X5内核中点击不出下拉框，求解

最近在ionic程序在安卓的微信x5内核中发现下拉的select不容易被点击到，有一定几率能点出下拉框，在ios和原生内核并没有发现此类问题，测试后发现只有在没有引入ionic.bundle.min.js的时候才能正常的点出下拉框. 可以用微信打开此下地址查看:http://codepen.io/anon/pen/mR......

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

593 views

1 answer

使用浏览器的data:application/vnd.ms-excel;base64导出表格内容到Excel时，格式问题

导出的Excel格式如下： 1:没有边框，有什么方法可以设置边框吗？ 2:文件打开时有警告，点“是”可以打开，但怎么做可以避免警告？...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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303 views

1 answer

win7环境进行pip install ansible问题

我把错误代码贴出来 running build_ext generating cffi module 'build\temp.win-amd64-2.7\Release\_padding.c' creating buildemp.win-amd64-2.7 creating buildemp ... 安装过什么吧今天又遇到了，各位大神，这改怎么处理的？...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

167 views

1 answer

javascript - Display table by merging two columns into one in HTML/CSS + JS (Datatables)

I use https://datatables.net/ to render sortable and searchable tables on my webservice. My table gets very wide, ... two or three different values. This is exactly what I want...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

271 views

1 answer

webpack2的loader应该怎么加载？

如题，我在vue项目中用了webpack2，但怎么用less呢，less和less-loader的依赖都装了，按照网上的教程一直提示没有加载less-loader。...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

313 views

1 answer

ios - UIDatePicker doesn't work when included in a UITableViewCell

I have an application where I regularly use a UIDatePicker inside a table view. Therefore, I made custom DatePickerTableViewCell class ... , but I'm not able to interact with it:...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

610 views

1 answer

itext 如何换行后对齐

我用itext想输出这样的内容 > 编制单位: xxxxxxx > yyyyyyy > zzzzzzz 代码: p=new Paragraph("编制单位:xxxxxxxxx n yyyyyyyy",smallFont); p.setAlignment(Element. ... 候字体大小不一样就不知道到底加多少空格了.有什么好的解决办法吗?...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

194 views

1 answer

ios - Have multiple columns in a SwiftUI Form

I am looking to have multiple columns within a SwiftUI form section. I have seen other potential fixes and using . ... t look as good as having individual buttons. Any ideas?...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

427 views

1 answer

numpy - Differential equations with coupled derivatives in python

I am trying to solve a set of differential equations using sympy and scipy, but cannot figure out how to bring ... time-invariant mass matrix. Any advice would be much appreciated....

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

886 views

1 answer

flexbox 怎么去掉间距？

http://runjs.cn/code/uz0wti2y 去掉第四个和前三个中间的间距...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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