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I want to make several periodic REST API calls and merge all the responses into one single stream. This is possible ... ', seconds: 2)); stream = StreamGroup.merge(streamList);...

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

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Handbrake multiple instances encode one video

I have a video 4k and the size of the file is 10gb mp4 file. I want to use as many cpu cores as I can to boost ... 16-Core Processor, 3401 Mhz, 16 Core(s), 32 Logical Processor(s)...

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

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swift - Change the tabs in a Embedded TabBarController

I have a view controller which has two buttons and an embedded TabBarController. I want to use the two button instead of ... is very simple, cannot figure it out myself. Thank you!...

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

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c# - How can I destroy a clone (in this case a laser shot by a spaceship) when it leaves a trigger2D?

Here's my current code; using System.Collections; using System.Collections.Generic; using UnityEngine; public class ... to destroy the laser without destroying any other lasers....

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

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json，本地存储后再取出来拿不到键值

因为是混合开发，ios那边给的数据，我只能把数据放到（手机安装的app）页面来看，打印不出来给的值大概是这样子，此时由键取值是失败的我做了如下处理，存储和当前页面保存： this.paramsInfo = params localStorage. ... 仅在方式2时在页面呈现如下如数据（和前面一样）无论如何，我都取不到它的键值，我该如何做？...

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

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在非vue项目的index页面通过点击触发vue组件中的事件

在index页面通过iframe嵌入vue打包后的index，怎样通过点击外部index页面触发vue组件中的事件...

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

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貌似是连接不到hadoop中的datanode

hadoop是运行在docker中的，只有单个节点，请问一下这是为什么啊，新手求问 `org.apache.hadoop.ipc.RemoteException(java. ... at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java:588) `...

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

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python - Is regex or replace method best to clean up list ? re Pandas environment

From the list below I'm able to remove the non-alphabet characters but fall short all the same. I want the Draw ... Castle FC','Boms Riverside FC','Barmley Colsely Lakers' etc....

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

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在DolphinDB中怎么释放内存表

如下图所示是一段DolphinDB database脚本，请问这个例子中比较占用内存的是否为t、temp、result这三个变量或表，如何删除变量或者表以释放内存？...

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

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element-ui点击‘提交’按钮触发confirm，选择取消弹窗消失后，‘提交’按钮会聚焦

element-ui点击‘提交’按钮触发confirm，选择取消弹窗消失后，‘提交’按钮会聚焦...

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

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graphql - Amplify and AppSync not updating data on mutation from multiple sources

I have been attempting to interact with AppSync/GraphQL from: Lambda - Create (works) Update (does not ... amazon.com/appsync/latest/devguide/conflict-detection-and-sync.html...

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

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python - How to automate editing of x,y-path

This is a pretty abstract questions, and isn't necessarily attached to a language/module. Sorry for the lack of specifics. I'm making ... 299, 27, 299, 26, 298, 22, 298, 21, 297]...

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

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php - Only return objects that meet time requirement AWS S3

The following code returns all the objects in my S3 bucket: $iterator = $s3Client->getIterator('ListObjects', array( ' ... significant amount of time and is a more costly approach....

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

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c# - No reference for successfully installed NuGet package in a .NET 4.5.2 project

Using Visual Studio 2015 and .NET 4.5.2, I am building a console .NET project that needs to use CosmosDb things ... -Package -reinstall but nothing happened. What steps did I miss?...

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

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jsonschema - How to set one schema for n-1 elements and another for the nth element

For example, look at the schema: "type": "array", "items": { "oneOf":[ {"type": "number"}, {"type": "string"} ... . It could be that is is not something json-schema can do. Thanks....

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

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Tabulator: Selecting all filtered rows also selects unfiltered/hidden ones

I implemented the built-in row selection and header filters in my tabulator implementation. However, let's say I have 10 total ... width: 180, headerFilter: "input", }, ], });...

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

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mysq如何解析json字符串

现在表里面有params字段,text类型的，存了一个很大的json字符串，json中 "time_z" 出现过N次，我想在不写存储过程，不建中间表的前提下，写一个sql把time_z字段对应的值全部提取出来，如何做到？...

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

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vue使用el-scrollbar隐藏横向滚动条导致el-select出现问题

在vue项目中使用el-scrollbar实现滚动，在全局中修改.el-scrollbar__wrap的overflow-x为hidden或auto后，el-select的option选项卡height变短...

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

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请教一个java maven相关的问题

场景：Project A 依赖一个 Project B, B是以jar的形式扔到nexus仓库的，启动B的jar是没有把它的依赖都打进去，只是打入了一个pom.xml ，之后A通过<dependency>标签引入B，如果此时 A B两个pom.xml文件中都有一个相同的依赖，但是版本不同，此时会以哪个pom.xml为主呢...

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

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r - finding missing values in using linear regression model and indicating whether the value is from available data or filled by regression

I have data frame in R and I have some missing values in one column and I want to filling the gaps using linear ... are from regression model and which are from my available data ?...

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

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Can I import modules in python using a function

I am working on a small library and I need to know can I import modules like numpy, sklearn and etc. Using functions. For ... use them. X = np.array was just kind of an example....

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

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JavaScript、ES6标准入门、Generator函数。

老弟js基础有点差,看这种代码感觉人被整晕了 function wrapper(generatorFunction) { return function (...args) { let generatorObject = generatorFunction(...args); ... 特意将自己的错误理解写出来,求路过的大哥指点迷津. 球球了....

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

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assembly - How to fix exec format error on 64-bit Linux?

I am learning x86_64 assembly. But I have run into the following problem: I am assembling a program with gcc -g -c exercise1. ... bit kernel on a 64-bit CPU. Why is it not working?...

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

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javascript 正则表达式匹配无效域名

无效的域名包括： 1：后缀不对，比如 .comd 2、.太多了，比如: juming.jucha.com 3、里面带两个横杠。如：juming-uu-tt.com...

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

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reactjs - React-router - how to navigate to previous auth link after successful login

Bashing my head against the wall all weekend with this gem. What I'm trying to do I want a user to be ... removeRedirectCookie('redirectPath'); return <Redirect to={cookie} />; }...

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

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golang 有没有PHP的file_put_contents()这样的使用起来很方便的函数进行写入操作呢？

PHP有内置函数： file_put_contents_() 函数把一个字符串写入文件中 golang 有没有这样的使用起来很方便的函数进行写入操作呢？...

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

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Eureka服务端我在云服务器启动了，然后本地启动的客户端应用设置了注册地址是远程服务器的地址，但是最后连接不上

这个是客户端的配置（在本地启动） eureka: client: service-url: default-zone: http://182.***.***.***:8761/eureka/ instance ... =DefaultEndpoint{ serviceUrl='http://localhost:8761/eureka/} 有大佬知道怎么解决吗...

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

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React Hook 为什么使用链表来挂载 Hook 到 Fiber Node上？

Hook 为什么使用链表来挂载 Hook?...

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

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