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一念一轮回 2025-02-16 04:49:04

不知道您到底尝试了什么,但是使用 PrepRocesshttprequestcallback

NetworkConfig networkConfig = new NetworkConfig();
PreprocessHttpRequestCallback preprocessHttpRequestCallback = new PreprocessHttpRequestCallback() {
    @Nullable
    @Override
    public Future<HttpRequest> preprocessHttpRequest(HttpRequestType httpRequestType, HttpRequest httpRequest) {

        ExecutorService executorService = Executors.newSingleThreadExecutor();
        Callable<HttpRequest> callable = () -> {
            HashMap<String, String> headers = new HashMap<>();
            headers.put("User-Agent", "customValue");
            httpRequest.setHeaders(headers);
            return httpRequest;
        };
        Future<HttpRequest> future = executorService.submit(callable);
        return future;
    }
};
networkConfig.setPreprocessHttpRequestCallback(preprocessHttpRequestCallback);
player.getConfig().setNetworkConfig(networkConfig);

一个好地方问:提出此类问题的好地方也是Bitmovin的社区: https://community.bitmovin.com/t/how-to-set-set-a-custom-user-user-user-agent-agent-agent-ap-header-for-for----------------------------------- for-android-bitmovin-player-player-sdk/979 /2

Not sure what exactly you tried, but this seems to work (replace customValue with your desired user-agent string) using the PreprocessHttpRequestCallback:

NetworkConfig networkConfig = new NetworkConfig();
PreprocessHttpRequestCallback preprocessHttpRequestCallback = new PreprocessHttpRequestCallback() {
    @Nullable
    @Override
    public Future<HttpRequest> preprocessHttpRequest(HttpRequestType httpRequestType, HttpRequest httpRequest) {

        ExecutorService executorService = Executors.newSingleThreadExecutor();
        Callable<HttpRequest> callable = () -> {
            HashMap<String, String> headers = new HashMap<>();
            headers.put("User-Agent", "customValue");
            httpRequest.setHeaders(headers);
            return httpRequest;
        };
        Future<HttpRequest> future = executorService.submit(callable);
        return future;
    }
};
networkConfig.setPreprocessHttpRequestCallback(preprocessHttpRequestCallback);
player.getConfig().setNetworkConfig(networkConfig);

A good place to ask such questions is also Bitmovin's Community: https://community.bitmovin.com/t/how-to-set-a-custom-user-agent-as-header-for-android-bitmovin-player-sdk/979/2

如何设置自定义&#x27;用户代理&#x27;作为Android Bitmovin Player SDK的标题?

一念一轮回 2025-02-15 20:05:37

如果效率不重要:

match(sort(a[b])[1:3], a)
# [1] 2 1 4

更快一点:

match(sort(a[b], partial = 1:3)[1:3], a)

有点清洁:

intersect(order(a), b)[1:3]

If efficiency is not important:

match(sort(a[b])[1:3], a)
# [1] 2 1 4

A bit faster:

match(sort(a[b], partial = 1:3)[1:3], a)

A bit cleaner:

intersect(order(a), b)[1:3]

在子集矢量中找到最小3个元素的索引

一念一轮回 2025-02-15 13:34:27

NextJS 13+完全能够自行处理数据和图像上传。您不需要强大的,Multer等...您可以使用以下代码轻松地将图像保存到本地目录。

import { NextResponse } from "next/server";
import path from "path";
import { writeFile } from "fs/promises";

export const POST = async (req, res) => {
  const formData = await req.formData();

  const file = formData.get("file");
  if (!file) {
    return NextResponse.json({ error: "No files received." }, { status: 400 });
  }

  const buffer = Buffer.from(await file.arrayBuffer());
  const filename = Date.now() + file.name.replaceAll(" ", "_");
  console.log(filename);
  try {
    await writeFile(
      path.join(process.cwd(), "public/uploads/" + filename),
      buffer
    );
    return NextResponse.json({ Message: "Success", status: 201 });
  } catch (error) {
    console.log("Error occured ", error);
    return NextResponse.json({ Message: "Failed", status: 500 });
  }
};

NextJS 13+ is perfectly capable of handling form data and image upload by its own. You don't need formidable, multer, etc... You can easily save images to your local directory with the below code.

import { NextResponse } from "next/server";
import path from "path";
import { writeFile } from "fs/promises";

export const POST = async (req, res) => {
  const formData = await req.formData();

  const file = formData.get("file");
  if (!file) {
    return NextResponse.json({ error: "No files received." }, { status: 400 });
  }

  const buffer = Buffer.from(await file.arrayBuffer());
  const filename = Date.now() + file.name.replaceAll(" ", "_");
  console.log(filename);
  try {
    await writeFile(
      path.join(process.cwd(), "public/uploads/" + filename),
      buffer
    );
    return NextResponse.json({ Message: "Success", status: 201 });
  } catch (error) {
    console.log("Error occured ", error);
    return NextResponse.json({ Message: "Failed", status: 500 });
  }
};

如何在下一个JS中上传图像并保存?

一念一轮回 2025-02-14 18:34:50

从处理的角度来看,使用Parquet文件格式绝对是最好的,但是正如您在情况下所说的那样

  1. 为什么不将第一步转换为Parquet(在第一步开始读取Parquet文件本身)。

  2. 如果将中间DF存储为Parquet可以提高您的性能,那么您可以将过滤器应用于您需要读取的数据部分,这与从Parquet文件格式阅读一样好。因为如果您将中间DF存储为镶木木,它也需要一些时间来存储数据并再次将数据读取到Spark中。

Using Parquet file format is definitely best from processing point of view but as you said in your case

  1. Why don't u convert the very first step to parquet( start reading parquet file itself in very first step).

  2. If storing intermediate df as parquet improves your performance , then may be you can apply filter to focus on the part of Data you require to read , this is as good as reading from parquet file format. because if you are storing intermediate df as parquet it is also taking some time to store the data and again reading the data into spark.

Pyspark性能和处理时间

一念一轮回 2025-02-14 11:42:02

如果要检查变量的可用性,则可以使用 isset($ a)

老实说,我不应该那样做。这没有任何意义。

功能范围不会改变,突然允许 $ a 可用。您应该使用 global 关键字,或将变量作为参数传递给该函数。

If you want to check for the variable's availability then your can use isset($a).

I'm going to be honest and say that you shouldn't do that though. It doesn't make sense in any way.

The functions scope doesn't change and suddenly allow for the $a to be available. You should either use the global keyword, or pass the variable as an argument to the function.

Python支持可变的全局范围,但是PHP不支持函数内部的全局范围变量而不使用全局关键字?

一念一轮回 2025-02-14 11:32:55

我只是为为什么我的列表在编程上更新时没有更新。我发现(至少对我而言)的一种简单的方法是在使用Microsoft的CommunityToolkit时将其配置如下。对于模型,使类从“可观察到”继承。然后用“ [可观察的Property]”标记属性。

namespace TestCollectionBinding.Views;

public partial class MyItem : ObservableObject
{
[ObservableProperty]  
string name;
[ObservableProperty]
string device;
}

在您的ViewModel“ ViewModels.MainPageViewModel.cs”上,将要显示的集合设置为如下。对于其他不了解的人,请勿使用“列表Myitems”,而是将其设置为“ ObservableCollection Myitems”,因为这不会通过编程方式更新。我希望有人解释为什么列表没有更新,尽管由OnPropertyChanged(“ ListName”)提出。

[ObservableProperty]
ObservableCollection<MyItem> myItems = new()
  {
    new MyItem
    {
      Name = "Heart Rate Monitor",
      Device = "12:12:12:12:AB"
    },

    new MyItem
    {
      Name = "Cadence",
      Device = "34:34:34:34:CD"
    }
  };

您将需要配置视图以在“ mainpage.xaml”上使用communityToolkit。我添加了以下参考:XMLNS:toolkit =“ http://schemas.microsoft.com/dotnet/2022/maui/toolkit”

<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
      xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
      xmlns:local="clr-namespace:TestCollectionBinding.ViewModels"
      xmlns:toolkit="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"
      x:Class="TestCollectionBinding.MainPage">

我只是花了整整一天的时间来弄清楚为什么我的列表不更新视图。认为我会为任何偶然发现这个问题的人发布解决方案。总而言之,用“ [可观察的Property]”标记模型属性。在ViewModel中利用“可观察的Property”。然后确保将视图设置为使用Microsoft的CommunityToolKit,您可以从GitHub获得。

使水管更干净。

I just struggled with why my list wasn't updating upon being programatically updated. A much easier way I discovered (at least for me) is to configure it as follows, while using the CommunityToolkit from Microsoft. For the Model, have the class inherit from "ObservableObject". Then mark the Property with "[ObservableProperty]".

namespace TestCollectionBinding.Views;

public partial class MyItem : ObservableObject
{
[ObservableProperty]  
string name;
[ObservableProperty]
string device;
}

On your ViewModel "ViewModels.MainPageViewModel.cs", set the collection to be displayed as follows. For others who don't know better, do not use a "List myItems", but set it to "ObservableCollection myItems" as this will not update programmatically. I'd love for someone to explain why the list doesn't update, despite being raised by OnPropertyChanged("ListName").

[ObservableProperty]
ObservableCollection<MyItem> myItems = new()
  {
    new MyItem
    {
      Name = "Heart Rate Monitor",
      Device = "12:12:12:12:AB"
    },

    new MyItem
    {
      Name = "Cadence",
      Device = "34:34:34:34:CD"
    }
  };

You'll want to configure your VIEW to use the CommunityToolkit on your "MainPage.xaml". I added the reference to: xmlns:toolkit="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"

<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
      xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
      xmlns:local="clr-namespace:TestCollectionBinding.ViewModels"
      xmlns:toolkit="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"
      x:Class="TestCollectionBinding.MainPage">

I just spent an entire day trying to figure out why my LIST wasn't updating the VIEW. Figured I'd post a solution for anyone else who stumbles across this question. In summary, tag the MODEL PROPERTY with "[ObservableProperty]". Utilize "ObservableProperty" in the VIEWMODEL. And then make sure the VIEW is set to utilize the CommunityToolkit from Microsoft, which you can get from Github.

Makes for MUCH cleaner plumbing.

一念一轮回 2025-02-14 03:10:20

CNI插件负责分配IP地址(IPAM),并确保数据包到达需要获得的位置。

对于印花布,特别是您可以从架构页< /a>以及calico

每当创建新的POD时,IPAM插件都会从全局池分配IP地址,而Kubernetes调度程序将POD分配给节点。 Calico CNI插件(与其他任何一个一样)配置了网络堆栈,以接受与POD IP的连接,并将其路由到内部的进程。这发生在 iptables 中,并使用称为Felix的辅助过程。

每个节点还运行一个鸟(BGP)守护程序,该守护程序观看这些配置事件:“ IP 10.xyz托管在节点A上”。这些配置事件将变成BGP更新,并使用开放的BGP会话发送到其他节点。
当其他节点接收到这些BGP更新时,它们会编程节点路由表(使用简单 IP路由命令),以确保节点知道如何到达POD。在此模型中,是的,每个节点都是一个。

我刚刚描述的是“按计算服务器”模型:它适用于不一定在同一L2网络上的节点上的环境中的小部署。问题在于,每个节点都需要与其他所有节点保持BGP会话,该节点缩放为O(n^2)。

因此,对于较大的部署,妥协是根据计算服务器的机架运行一个(“按机架”)。然后,机架开关的每个顶部都运行BGP,以将路由通信到其他机架,而开关内部则知道如何路由包装包。

The CNI plugin is responsible for allocating IP addresses (IPAM) and ensuring that packets get where they need to get.

For Calico specifically, you can get a lot of information from the architecture page as well as the Calico network design memoirs.

Whenever a new Pod is created, the IPAM plugin allocates an IP address from the global pool and the Kubernetes scheduler assigns the Pod to a Node. The Calico CNI plugin (like any other) configures the networking stack to accept connections to the Pod IP and routes them to the processes inside. This happens with iptables and uses a helper process called Felix.

Each Node also runs a BIRD (BGP) daemon that watches for these configuration events: "IP 10.x.y.z is hosted on node A". These configuration events are turned into BGP updates and sent to other nodes using the open BGP sessions.
When the other nodes receive these BGP updates, they program the node route table (with simple ip route commands) to ensure the node knows how to reach the Pod. In this model, yes, every node is an AS.

What I just described is the "AS per compute server" model: it is suitable for small deployments in environments where nodes are not necessarily on the same L2 network. The problem is that each node needs to maintain a BGP session with every other node, which scales as O(N^2).

For larger deployments therefore, a compromise is to run one AS per rack of compute servers ("AS per rack"). Each top of rack switch then runs BGP to communicate routes to other racks, while the switch internally knows how to route packets.

Kubernetes:CNI如何利用BPG?

一念一轮回 2025-02-13 18:21:51

从文档中,

POPUP SCROLLBAR                     *popup-scrollbar*

If the text does not fit in the popup a scrollbar is displayed on the right of
the window.  This can be disabled by setting the "scrollbar" option to zero.
When the scrollbar is displayed mouse scroll events, while the mouse pointer
is on the popup, will cause the text to scroll up or down as you would expect.
A click in the upper half of the scrollbar will scroll the text down one line.
A click in the lower half will scroll the text up one line.  However, this is
limited so that the popup does not get smaller.

我强烈相信该滚动条是通过鼠标与鼠标进行交互的。

想想甚至ycm coauthor and navener和维护者都告诉我,这是错误的(我有点聊天,因为我有点聊天有时慢)。

From the docs

POPUP SCROLLBAR                     *popup-scrollbar*

If the text does not fit in the popup a scrollbar is displayed on the right of
the window.  This can be disabled by setting the "scrollbar" option to zero.
When the scrollbar is displayed mouse scroll events, while the mouse pointer
is on the popup, will cause the text to scroll up or down as you would expect.
A click in the upper half of the scrollbar will scroll the text down one line.
A click in the lower half will scroll the text up one line.  However, this is
limited so that the popup does not get smaller.

which makes me strongly believe that that scroll bar is meant to be interacted with via mouse.

Think that even YCM coauthor and maintainer just told me so (it's the wrong chat because I'm a bit slow at times).

如何使用键盘滚动YouCompleteme GetDoc弹出窗口?

一念一轮回 2025-02-13 17:37:55

您可以在应用程序和pdf.js中使用自定义Web服务器(用于服务JS查看器的大型可选),

这是我使用的Web服务器:
https://github.com/jchristn/jchristn/watsonwebservern/watsonwebserver/blob/blob/blob/master/master/meardread/readme-meme-meme。 MD

pdf.js:
https://pdfjs.eppress/blog/blog/blog/how-to-to-po--to-use-pdf--pdf--pdf----- js

如果使用js,则需要编辑查看器。

You can use a custom webserver in the app and PDF.js (Blazor Optional for serving the JS viewer)

Here's the web server I used:
https://github.com/jchristn/WatsonWebserver/blob/master/README.md

PDF.js:
https://pdfjs.express/blog/how-to-use-pdf-js

If you use Blazor you'll need to edit the viewer.js file and modify the const HOSTED_VIEWER_ORIGINS to include "https://0.0.0.0" (for the Blazor hosted page)

如何从.NET MAUI中的本地文件中读取并打开PDF?

一念一轮回 2025-02-13 16:47:01

查询的主要问题是您要在“ dateTime ”字段上分组,该字段与每一行相等,并且无法识别所需的组。确定该组的内容实际上是“ tagName ”字段和“ datetime ”的第一部分的组合。

由于我们不能直接使用“ tagName ”,因此我们可以提取有趣的部分(例如'sghast_000&lt; n&gt;'来自'sghast_000&lt; n&gt; fieldName&gt;')使用mysql substring_index 函数。当您传递字符(在我们的情况下 _ )和索引i(在我们的情况下 2 )时,它将在第一个字符和ITH之间检索字符串中的所有内容字符(在我们的情况下,'sghast_000&lt; n&gt;')。

一旦我们能够建立我们的组,我们就可以在子句中使用组中,并使用mysql max 聚集功能以提取温度和湿度值时,仅当这些功能才出现在“ > tagName “字段。

SELECT SUBSTRING_INDEX(TagName, '_', 2) AS TagName,
       MAX(CASE WHEN TagName LIKE '%Temp'     
                THEN Value END        ) AS Temperature,
       MAX(CASE WHEN TagName LIKE '%HUMIDITY' 
                THEN Value END        ) AS Humidity
FROM testingintern
GROUP BY SUBSTRING_INDEX(TagName, '_', 2), 
         Datetime

您可以在此 link

The main issue of your query is that you're grouping on the "DateTime" field, which is equal for every row and does not identify the group you want. What identifies the group is really the combination of the first part of the "TagName" field and the "Datetime" together.

Since we can't use "TagName" directly, we can extract the interesting part (e.g. 'SGHAST_000<n>' from 'SGHAST_000<n>_<fieldname>') using MySQL SUBSTRING_INDEX function. When you pass a character (in our case _) and an index i (in our case 2), it will retrieve everything in the string between the first character and the ith character (in our case 'SGHAST_000<n>').

Once we are able to build our group, we can use that inside a GROUP BY clause, and use MySQL MAX aggregation function to extract the values of temperature and humidity when and only when these occur inside the "TagName" field.

SELECT SUBSTRING_INDEX(TagName, '_', 2) AS TagName,
       MAX(CASE WHEN TagName LIKE '%Temp'     
                THEN Value END        ) AS Temperature,
       MAX(CASE WHEN TagName LIKE '%HUMIDITY' 
                THEN Value END        ) AS Humidity
FROM testingintern
GROUP BY SUBSTRING_INDEX(TagName, '_', 2), 
         Datetime

You can play with it (and select what specific function returns) at this link.

修改MySQL表的显示

一念一轮回 2025-02-13 09:56:45

这与在开发中使用“热模块更换”有关提高发展生产率。在生产环境中,您不会做的事情。

在热模块替换中,当模块“替换”时,将更换模块级变量,例如 client client> client ,但将保留全球。

这是一个发展的“技巧”,而不是生产中要做的事情。

就我个人而言,我什至不会在开发中这样做,因为我宁愿运行在开发时尽可能接近生产的代码,除了必须不同的情况。

It has to do with using "Hot Module Replacement" in development for improving development productivity. Not something you would do in a production environment.

In hot module replacement, module-level variables like client and clientPromise would get replaced when the module was "hot replaced", but globals would be preserved.

It's a development "trick", not something to do in production.

Personally, I wouldn't even do it in development either because I'd rather be running code that is as close to production as possible when in development except for things that must be different.

在生产模式下写入全局变量的写作是什么?

一念一轮回 2025-02-13 02:43:20

事实证明,我们的IT部门完全同步了我们的本地广告和Azure广告。我不是100%确定的细节,但是某些内容导致了我授权反对的组的所有对象ID。一旦意识到这一点,我就可以更新代码以授权针对这些新ID。我的应用程序的页面现在正在工作。

It turns out that our IT department did a full sync of our On-Prem AD and Azure AD. I'm not 100% sure of the details, but something caused all of the Object IDs for the groups I was authorizing against to change. Once I realized this, I was able to update my code to authorize against these new IDs. My app's pages are now working.

在Blazor A Server应用程序中,为什么GetAuthenticationStateAsync()返回Chrome vs MS Edge的不同索赔?

一念一轮回 2025-02-12 11:10:40

使用类型 ltree

事实证明,您正在使用附加模块 ltree 。 dot()是您的明确定界符。假设路径 IS type ltree (您尚未澄清)简化了任务。有 depticated operators 喜欢:

ltree @&gt; ltree 布尔值

是右(或等于)的祖先?

因此:

SELECT t.*
FROM   tbl_ltree t1   
JOIN   tbl_ltree t ON t.path @> t1.path
WHERE  t1.res_id = 'res_1_1_1';  -- your search term here

ltree 还为要约索引提供操作员类:

CREATE INDEX tbl_ltree_path_gist_idx ON tbl USING GIST (path);

..可以在上述查询中使用。另外,您将在 res_id 上有另一个B-Tree索引。

res_id 是完全冗余的,甚至可以忽略甚至掉落。我们可以在路径上与另一个LTREE操作员合作:

ltree〜lquery 布尔值

ltree匹配lquery?

围绕 lquery 类型。

SELECT *
FROM   tbl_ltree   
WHERE  path @> (SELECT path FROM tbl_ltree WHERE path ~ '*.res_1_1_1'::lquery);

db&lt;&gt; fiddle

只需要要点指数。

使用类型文本

在使用文本而不是 ltree (您还没有澄清)时,以下是多种方法之一:

SELECT t.*
FROM  (
   SELECT unnest(string_to_array(path, '.')) AS res_id
   FROM   tbl_txt
   WHERE  res_id = 'res_1_1_1'  -- your search term here
   ) t1
JOIN  tbl_txt t USING (res_id);

< em> db&lt;&gt;&gt

; T1 拆分路径进入其构建块。然后加入 tbl_txt 的另一个实例。

Working with type ltree

Turns out you are working with the additional module ltree. And the dot (.) is your unambiguous delimiter. Assuming path is type ltree (you didn't clarify, yet) simplifies the task. There are dedicated operators like:

ltree @> ltreeboolean

Is left argument an ancestor of right (or equal)?

So:

SELECT t.*
FROM   tbl_ltree t1   
JOIN   tbl_ltree t ON t.path @> t1.path
WHERE  t1.res_id = 'res_1_1_1';  -- your search term here

ltree also provides operator classes for a GiST index:

CREATE INDEX tbl_ltree_path_gist_idx ON tbl USING GIST (path);

.. which can be used by the above query. Plus, you'd have another B-tree index on res_id.

res_id is completely redundant and can be ignored or even dropped. We can work with another ltree operator on path instead:

ltree ~ lqueryboolean

Does ltree match lquery?

About the lquery type.

SELECT *
FROM   tbl_ltree   
WHERE  path @> (SELECT path FROM tbl_ltree WHERE path ~ '*.res_1_1_1'::lquery);

db<>fiddle here

Only needs the GiST index.

Working with type text

While working with text instead of ltree (you didn't clarify, yet), here is one of many ways:

SELECT t.*
FROM  (
   SELECT unnest(string_to_array(path, '.')) AS res_id
   FROM   tbl_txt
   WHERE  res_id = 'res_1_1_1'  -- your search term here
   ) t1
JOIN  tbl_txt t USING (res_id);

db<>fiddle here

The subquery t1 splits path into its building blocks. Then join to another instance of tbl_txt.

如何使用PostgreSQL逐路过滤

一念一轮回 2025-02-12 11:04:38

[\ r \ n] {2,} 匹配两个或多个 \ r \ n 符号。

使用

Regex.Replace(result, @"(?>\r\n?|\n){2,}\s*(?=})", "\r\n");

解释

NODE                     EXPLANATION
--------------------------------------------------------------------------------
  (?>                      match (and do not backtrack afterwards)
                           (at least 2 times (matching the most
                           amount possible)):
--------------------------------------------------------------------------------
    \r                       '\r' (carriage return)
--------------------------------------------------------------------------------
    \n?                      '\n' (newline) (optional (matching the
                             most amount possible))
--------------------------------------------------------------------------------
   |                        OR
--------------------------------------------------------------------------------
    \n                       '\n' (newline)
--------------------------------------------------------------------------------
  ){2,}                    end of look-ahead
--------------------------------------------------------------------------------
  \s*                      whitespace (\n, \r, \t, \f, and " ") (0 or
                           more times (matching the most amount
                           possible))
--------------------------------------------------------------------------------
  (?=                      look ahead to see if there is:
--------------------------------------------------------------------------------
    }                        '}'
--------------------------------------------------------------------------------
  )                        end of look-ahead

The [\r\n]{2,} matches two or more \r or \n symbols.

Use

Regex.Replace(result, @"(?>\r\n?|\n){2,}\s*(?=})", "\r\n");

EXPLANATION

NODE                     EXPLANATION
--------------------------------------------------------------------------------
  (?>                      match (and do not backtrack afterwards)
                           (at least 2 times (matching the most
                           amount possible)):
--------------------------------------------------------------------------------
    \r                       '\r' (carriage return)
--------------------------------------------------------------------------------
    \n?                      '\n' (newline) (optional (matching the
                             most amount possible))
--------------------------------------------------------------------------------
   |                        OR
--------------------------------------------------------------------------------
    \n                       '\n' (newline)
--------------------------------------------------------------------------------
  ){2,}                    end of look-ahead
--------------------------------------------------------------------------------
  \s*                      whitespace (\n, \r, \t, \f, and " ") (0 or
                           more times (matching the most amount
                           possible))
--------------------------------------------------------------------------------
  (?=                      look ahead to see if there is:
--------------------------------------------------------------------------------
    }                        '}'
--------------------------------------------------------------------------------
  )                        end of look-ahead

正则替换双重新线代替C#中的单个单一线

一念一轮回 2025-02-12 03:56:10
this.api.getRunFile(url,uid).subscribe((res)=>{
  console.log(res.headers.get("UID"))  //getting null here
},err=>{
  console.log(err)
})

您可以在下面尝试以下代码

this.api.getRunFile(url,uid).subscribe((res)=>{
  console.log(res.headers.get("uid"))
},err=>{
  console.log(err)
})
this.api.getRunFile(url,uid).subscribe((res)=>{
  console.log(res.headers.get("UID"))  //getting null here
},err=>{
  console.log(err)
})

u can try below code

this.api.getRunFile(url,uid).subscribe((res)=>{
  console.log(res.headers.get("uid"))
},err=>{
  console.log(err)
})

请求标题值在春季零吗?

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