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angular - Reload child component when variables on parent component changes. Angular2

I have a MasterComponent which loads header, footer, sidebar etc. On the header there is a dropdown whose options are ... } createRecord(){ } } See Question&Answers more detail:os...

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

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logstash check if field exists

I have log files coming in to an ELK stack. I want to copy a field (foo) in order to perform various mutations on it, ... "bar" => "%{foo} } } See Question&Answers more detail:os...

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

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angular - How can I use ngFor to iterate over Typescript Enum as an array of strings

I'm using Angular2 and TypeScript and I have an enum: export enum Role { ServiceAdmin, CompanyAdmin, Foreman, ... is there a simpler way? See Question&Answers more detail:os...

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

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rust - How to convert from &[u8] to Vec<u8>?

I'm attempting to simply convert a slice to a vector. The following code: let a = &[0u8]; let b: Vec<u8> = ... of type `&u8` What am I missing? See Question&Answers more detail:os...

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

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ruby on rails - How to fix: error: '<filename>' does not have a commit checked out fatal: adding files failed when inputting "git add ." in command prompt

I'm trying to add a ruby rails file to my repository in gitlab but it somehow wouldn't allow me to ... checked out fatal: adding files failed See Question&Answers more detail:os...

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

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angular - Cannot find module 'rxjs-compat/Observable'

I am currently upgrading angular 4 to angular 6 code. I have installed "rxjs": "^6.3.2" and un- ... find module 'rxjs-compat/Subscription'. See Question&Answers more detail:os...

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

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android: stretch image in imageview to fit screen

I have an imageview that has its height and width set to fill_parent with a linearlayout that has the same values ... (height); Any other ideas? See Question&Answers more detail:os...

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

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javafx - Error invoking method, failed to launch jvm

I'm developing a desktop application using javafx v8.0.40. I have created an exe file with inno 5. When I ... problem. Thank you in advance. See Question&Answers more detail:os...

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

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jquery - Perform curl request in javascript?

Is it possible to send a curl request in jQuery or javascript? Something like this: curl -H 'Authorization: Bearer ... 's $.get() function. See Question&Answers more detail:os...

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

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ios - iOS4: how do I use video file as an OpenGL texture?

I'm trying to display the contents of a video file (let's just say without the audio for now) onto a UV ... for video playback on iOS? .mov? See Question&Answers more detail:os...

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

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windows 7 - How do I get a HTML5 Video to work using IE10

I am hoping someone has an idea on what I can do to help me play HTML5 videos on my local ... html5video/CanvasVideo.html' Regards, Chris See Question&Answers more detail:os...

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

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excel - PowerQuery: How can I concatenate grouped values?

If I have the following table (shown in the image below), how can I write a grouped query that would ... So the desired results would be: See Question&Answers more detail:os...

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

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list - Pairwise crossproduct in Python

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

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wordpress - Using WPDB in standalone script?

I am trying to connect to WordPress using the WPDB because it's such a beautiful class and also there are ... can I archive this? Any help is appreciated. Question&Answers:os...

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

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highcharts - Pie Chart Variations

We have been using Highcharts in our tool for a couple years now, and we want to generate some pie ... from:https://stackoverflow.com/questions/65831459/pie-chart-variations...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node.js - Timeout of 2000ms exceeded. For async tests and hooks, ensure "done()" is called; when write test for async/await

I have a function for create a User : async CreateUser(userModel: CreateUserModel): Promise < OperationResult < UserDoc ... exceeded-for-async-tests-and-hooks-ensure-done-is-called...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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elasticsearch - Multi-Nested Elastic Query

I am trying to return all documents that match a specific keyword property in a collection. The image ... https://stackoverflow.com/questions/65862449/multi-nested-elastic-query...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Android: Configurations .xml must agree on the root element's ID

My app used to compile successfully, but it suddenly produces an error message when compiling: Execution failed for ... -configurations-xml-must-agree-on-the-root-elements-id...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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swiftui - Swift: return value every x seconds

I'm trying to generate random string every 10 seconds. I put this function in a class in another file ... //stackoverflow.com/questions/65903738/swift-return-value-every-x-seconds...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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get number of columns of a particular row in given excel using Java

I want the number of columns of a particular row in excel. How is that possible? I used POI API but I could get ... -number-of-columns-of-a-particular-row-in-given-excel-using-java...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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axios 请求性能优化的思考

这里封装了一个 Axios 的请求类，提供了发送请求的 request 方法每一个 API 接口使用其进行 ajax 请求用法如下：这样写的意思是，每调用一次 API 都执行一遍 request 方法，也 ... 搜索了下，axios.create() 创建过个实例对象会需要额外的垃圾回收 https://stackoverflow.com/que......

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

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element-ui 组件如何自定义鼠标右键事件

代码如下如何实现右键点击 tab-pane 相应 rightClick 事件 <el-tabs v-model="editableTabsValue" type="card" editable> <el-tab-pane :key="item. ... rightClick(){ console.log('右键被点击了') } } } </script>...

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

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mybatis - How can I propagate properties into a nested sql fragment?

I have an sql looks like this. <sql name="level1"> ${alias}some AS ${prefix}some </sql> Now I want to ... m working on a remote site and the testing environment is not complete....

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

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swift - Creating XCFramework can't find a valid framework

I made empty framework project MyFramework and try to create XCFramework Xcode 12.3, 12.2, 11.7 macOS Catalina, Big ... MyFramework.framework What is the reason and how to fix it?...

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

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C++ How can I access to an inner enum class?

I am facing a problem in c++: #include <iostream> class Apple{ public: int price = 100; enum class color { ... ' is not a class or namespace See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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r - Identify binary columns

I would like to identify binary columns in a data.frame. For example, this table my.table <-read.table(text=" ... would give FALSE, FALSE, TRUE See Question&Answers more detail:os...

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

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java - How to compare non english characters with accents

I want to compare 2 strings which have some non English character in them String1 = debarquer String2 = débárquér ... , they should say equal. See Question&Answers more detail:os...

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

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php url query nested array with no index

I'm working with a third party API that receives several parameters which must be encoded like this: text[]= ... like this quickly? Thank you See Question&Answers more detail:os...

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

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