channels | Golang channel helpers and special types | Serialization library
kandi X-RAY | channels Summary
kandi X-RAY | channels Summary
[Code of Conduct] A collection of helper functions and special types for working with and extending [Go] existing channels. Due to limitations of Go’s type system, importing this library directly is often not practical for production code. It serves equally well, however, as a reference guide and template for implementing many common idioms; if you use it in this way I would appreciate the inclusion of some sort of credit in the resulting code. See for full documentation or for a versioned import path. Requires Go version 1.1 or later, as certain necessary elements of the reflect package were not present in 1.0. Most of the buffered channel types in this package are backed by a very fast queue implementation that used to be built into this package but has now been extracted into its own package at Note: Several types in this package provide so-called "infinite" buffers. Be very careful using these, as no buffer is truly infinite. If such a buffer grows too large your program will run out of memory and crash. Caveat emptor.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of channels
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channels Examples and Code Snippets
Lines of Code : 80License : Non-SPDX (Apache License 2.0)
Copydef _ssim_per_channel(img1,
img2,
max_val=1.0,
filter_size=11,
filter_sigma=1.5,
k1=0.01,
k2=0.03):
"""Computes SSIM public void stop() throws InterruptedException, IOException {
reactor.stop();
dispatcher.stop();
for (var channel : channels) {
channel.getJavaChannel().close();
}
} @Bean
QueueChannel multipleOfThreeChannel() {
return new QueueChannel();
} Community Discussions
Trending Discussions on channels
QUESTION
I'm trying to use BS4 to parse through the HTML for an about page on a youtube channel so I can scrape the number of channel views. Below is the code to scrape the channel views (located in the 'yt-formatted-string') and also the whole right column of the page. Both lines of code return either an empty list and a "None" value for the findAll() and find() functions, respectively.
I read another thread saying I may be receiving an empty list or "None" value because the page is accessing an API to get the total channel views to count and the values aren't actually in the HTML I'm parsing.
I know I could access much of this info through the Youtube API, but I want to iterate this code over multiple channels that are not my own. Moreover, I want to understand how to use BS4 to its full extent so I can replicate this process on an Instagram page or Facebook page.
Should I be using a different library that isn't BS4? Is what I'm looking to accomplish even possible?
My CODE
...ANSWER
Answered 2021-Jun-15 at 20:43YouTube is loaded dynamically, therefore urlib won't support it.
However, the data is available in JSON format on the website. You can convert this data to a Python dictionary (dict) using the built-in json library.
This example is using the URL you have provided: https://www.youtube.com/c/Rozziofficial/about, you can change the channel name, it will work for all channels.
Here's an example using requests, you can use urlib instead:
QUESTION
I am querying a database for an item using R2DBC and Spring Integration. I want to extend the transaction boundary a bit to include a handler - if the handler fails I want to roll back the database operation. But I'm having difficulty even establishing transactionality explicitly in my integration flow. The flow is defined as
...ANSWER
Answered 2021-Jun-15 at 18:32Well, it's indeed not possible that declarative way since we don't have hook for injecting to the reactive type in the middle on that level.
Try to look into a TransactionalOperator and its usage from the Java DSL's fluxTransform():
QUESTION
I'm making a POC with Lumen and Vue.JS. For now it just has to send a "hello world" message from the Lumen back-end to the Vue.JS front-end (which works). I have made an event which is triggered upon loading the page like this:
...ANSWER
Answered 2021-Jun-15 at 16:42Fix composer.json
I have created an issue on the PHP package: https://github.com/pusher/pusher-http-php/issues/295
It is true this version is broken, but the fix should be in the composer.json file. Mine looked like this:
QUESTION
So I've created a command that is supposed to reply to a user's message. Here's my code so far (check_perms() is a separate function to check if a user has the proper permissions to run the command):
...ANSWER
Answered 2021-Feb-05 at 22:41You're gonna have to get the TextChannel instance first, then you can either use the fetch_message or get_partial_message method
QUESTION
I am a member of my company organization. SSH keys associated with my account. Nothing works as expected. I am trying to push my branch
...ANSWER
Answered 2021-Jun-15 at 07:34First, make sure that https://github.com/mycomp/repo-pr does exist (meaning the case, uper or lower, of the URL is correct)
Second, check that you are correctly authenticated by GitHub through SSH:
QUESTION
I want my bot to change the profile picture of a server, change the server name and deleting all channels with one command.
At the moment, the command is test and it can delete all channels, but I want that test command to change the profile picture and the server name as well.
How can i do this?
This is my code:
...ANSWER
Answered 2021-Feb-14 at 11:55QUESTION
I have the following event which prevents spamming in discord and automatically mutes spammer. I took that code from a YouTube video. Here's the code:
...ANSWER
Answered 2021-Jun-14 at 16:27You need to fetch a certain amount of messages and filter it so you're only getting messages sent by the spammer then pass them to bulkDelete()
Here is a little example:
QUESTION
Like the state itself, I want to create multiple Log files for different processes. I am using Laravel-8. I have also created the 1 logging file with the help of logging.php in the config folder.
I want to keep track of my created commands with their own separate log file.
How can I create my separate log file for that commands?
I did this by having only a log for daily. "config/logging.php"
...ANSWER
Answered 2021-Jun-15 at 05:57Below code will generate custom log file.
QUESTION
I'm trying to understand best practices for Golang concurrency. I read O'Reilly's book on Go's concurrency and then came back to the Golang Codewalks, specifically this example:
https://golang.org/doc/codewalk/sharemem/
This is the code I was hoping to review with you in order to learn a little bit more about Go. My first impression is that this code is breaking some best practices. This is of course my (very) unexperienced opinion and I wanted to discuss and gain some insight on the process. This isn't about who's right or wrong, please be nice, I just want to share my views and get some feedback on them. Maybe this discussion will help other people see why I'm wrong and teach them something.
I'm fully aware that the purpose of this code is to teach beginners, not to be perfect code.
Issue 1 - No Goroutine cleanup logic
...ANSWER
Answered 2021-Jun-15 at 02:48It is the
mainmethod, so there is no need to cleanup. Whenmainreturns, the program exits. If this wasn't themain, then you would be correct.There is no best practice that fits all use cases. The code you show here is a very common pattern. The function creates a goroutine, and returns a channel so that others can communicate with that goroutine. There is no rule that governs how channels must be created. There is no way to terminate that goroutine though. One use case this pattern fits well is reading a large resultset from a database. The channel allows streaming data as it is read from the database. In that case usually there are other means of terminating the goroutine though, like passing a context.
Again, there are no hard rules on how channels should be created/closed. A channel can be left open, and it will be garbage collected when it is no longer used. If the use case demands so, the channel can be left open indefinitely, and the scenario you worry about will never happen.
QUESTION
I am building an app with reactjs tha needs to be real-time and I am using Rails Actioncable as a wrapper around websocket.
I can receive data via websocket after a record is created or updated and when I do console log to see what is contained in the posts array created with useHook but updated via webhook. It seems the post array is updated correctly using the code shown below. However react does not re-render the web page hence the use does not see that updated record.
...ANSWER
Answered 2021-Jun-14 at 16:52I fixed the issue with react not re-rendering when the state is updated via webhook. The primary problem was this line:
const [posts, setPosts] = useState(props.posts || []);
I changed that line to this:
const [posts, setPosts] = useState([]);
With that change this two approached updated the state with a re-render & broadcast of the state change via websockets to other open tabs.
Approach 1:
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