IndexRange | Implementations of System.Index and System.Range | DevOps library
kandi X-RAY | IndexRange Summary
kandi X-RAY | IndexRange Summary
This repository provides implementations (copied from corefx) of System.Index and System.Range for netstandard2.0 and .NET Framework. This lets you use the new C# 8.0 index and range features in projects that target .NET Framework or netstandard2.0.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of IndexRange
IndexRange Key Features
IndexRange Examples and Code Snippets
int[] array = new[] { 1, 2, 3, 4, 5, 6 };
// don't do this:
// var slice = array[1..^1];
// do this:
var slice = array.AsSpan()[1..^1];
Community Discussions
Trending Discussions on IndexRange
QUESTION
I followed ManagedSubscriptionDataExample.java (https://github.com/eclipse/milo/blob/master/milo-examples/client-examples/src/main/java/org/eclipse/milo/examples/client/ManagedSubscriptionDataExample.java) example on github page to read OPC nodes from PLC S7-1200.
Value for nodes are getting updated but I can't get name.
For code:
...ANSWER
Answered 2021-Nov-05 at 13:58UaExpert is doing more bookkeeping than you are doing. You should have knowledge of which Nodes you have created MonitoredItems for and be able to get the BrowseName or DisplayName attribute from those Nodes.
Inside that callback you have access to the NodeId - that should be your key to get to the Node and any attributes you are interested in.
QUESTION
I'm using GOPCUA v0.2.0-rc2 library to connect to an OPC UA server. Everything works fine if I don't use any filter in the monitoring items. But I want to use datachange filter to be able to receive values only when they change by some percentage or absolute value. Following is the complete code.
...ANSWER
Answered 2021-Apr-15 at 12:32It looks to me like you're trying to build the ExtensionObject that contains your filter structure using the NodeId of the Node you're creating a MonitoredItem for instead of the NodeId that identifies the DataTypeEncoding of the filter structure you're using.
QUESTION
Here is the web code
...ANSWER
Answered 2020-Nov-09 at 21:46something like this should work:
QUESTION
Hello I have the next xml file:
...ANSWER
Answered 2020-Jun-11 at 09:35Your code should use namespace for finding in this XML like so:
QUESTION
I'm trying to use the hls.js library for displaying Reddit hosted videos from the HLS/DASH playlist. However, accessing any Reddit HLS/DASH url, such as this one through XHR will fail due to, what the error says is a Same Origin Policy violation:
Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at https://v.redd.it/5r0nz8sywgl41/DASHPlaylist.mpd. (Reason: CORS header ‘Access-Control-Allow-Origin’ missing).
Weird thing is, the request prior GET is an OPTIONS one, which does return the Access-Control-Allow-Origin header with the correct origin url. I can see the response in the developer console, but the request still "fails". If I use the "Allow CORS: Access-Control-Allow-Origin" extension, everything works fine. What am I doing incorrectly?
OPTIONS request headers:
...ANSWER
Answered 2020-Mar-10 at 02:59The problem is just: the response from https://v.redd.it/5r0nz8sywgl41/DASHPlaylist.mpd
to the GET
request from your code doesn’t include the Access-Control-Allow-Origin
response header. Strangely though, it does include the Access-Control-Expose-Headers
response header. So the cause is just that the server is misconfigured; it’s not actually properly CORS-enabled.
Specifically: even though the server sends a Access-Control-Allow-Origin
header in response to the OPTIONS
preflight, that on its own isn’t sufficient to make browsers allow your frontend code to access the response to the actual GET
request in your code. For your code to work, the server must also send the Access-Control-Allow-Origin
header in response to that GET
request too.
But you can actually work around the https://v.redd.it
misconfiguration and access Reddit HLS/DASH URLs from your frontend code without needing a browser extension — by making your request through CORS proxy, as in the following example.
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