amp | π | Reactive Programming library
kandi X-RAY | amp Summary
kandi X-RAY | amp Summary
Amp is a non-blocking concurrency framework for PHP. It provides an event loop, promises and streams as a base for asynchronous programming. Promises in combination with generators are used to build coroutines, which allow writing asynchronous code just like synchronous code, without any callbacks.
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Top functions reviewed by kandi - BETA
- Selects multiple streams .
- Emit a value .
- Toggles the queue .
- Set the driver .
- Create driver .
- Transforms the yielded generator .
- Suggest a property name .
- Replaces the node in the heap .
- Dumps all registered watchers .
- Called when the promise is resolved .
amp Key Features
amp Examples and Code Snippets
// bad
function Queue(contents = []) {
this.queue = [...contents];
}
Queue.prototype.pop = function () {
const value = this.queue[0];
this.queue.splice(0, 1);
return value;
};
// good
class Queue {
constructor(contents = []) {
this.que
if ([0] && []) {
// true
// an array (even an empty one) is an object, objects will evaluate to true
}
// bad
if (isValid === true) {
// ...
}
// good
if (isValid) {
// ...
}
// bad
if (name) {
// ...
}
// good
if (name !== '')
// => this.reviewScore = 9;
// bad
const totalScore = new String(this.reviewScore); // typeof totalScore is "object" not "string"
// bad
const totalScore = this.reviewScore + ''; // invokes this.reviewScore.valueOf()
// bad
const totalScore = t
Community Discussions
Trending Discussions on amp
QUESTION
I have been using github actions for quite sometime but today my deployments started failing. Below is the error from github action logs
...ANSWER
Answered 2022-Mar-16 at 07:01First, this error message is indeed expected on Jan. 11th, 2022.
See "Improving Git protocol security on GitHub".
January 11, 2022 Final brownout.
This is the full brownout period where weβll temporarily stop accepting the deprecated key and signature types, ciphers, and MACs, and the unencrypted Git protocol.
This will help clients discover any lingering use of older keys or old URLs.
Second, check your package.json
dependencies for any git://
URL, as in this example, fixed in this PR.
As noted by JΓΆrg W Mittag:
For GitHub Actions:There was a 4-month warning.
The entire Internet has been moving away from unauthenticated, unencrypted protocols for a decade, it's not like this is a huge surprise.Personally, I consider it less an "issue" and more "detecting unmaintained dependencies".
Plus, this is still only the brownout period, so the protocol will only be disabled for a short period of time, allowing developers to discover the problem.
The permanent shutdown is not until March 15th.
As in actions/checkout issue 14, you can add as a first step:
QUESTION
I am trying to upgrade to React Router v6 (react-router-dom 6.0.1
).
Here is my updated code:
...ANSWER
Answered 2022-Mar-18 at 18:41I think you should use the no match route approach.
Check this in the documentation.
https://reactrouter.com/docs/en/v6/getting-started/tutorial#adding-a-no-match-route
QUESTION
I am currently setting up a boilerplate with React, Typescript, styled components, webpack etc. and I am getting an error when trying to run eslint:
Error: Must use import to load ES Module
Here is a more verbose version of the error:
...ANSWER
Answered 2022-Mar-15 at 16:08I think the problem is that you are trying to use the deprecated babel-eslint parser, last updated a year ago, which looks like it doesn't support ES6 modules. Updating to the latest parser seems to work, at least for simple linting.
So, do this:
- In package.json, update the line
"babel-eslint": "^10.0.2",
to"@babel/eslint-parser": "^7.5.4",
. This works with the code above but it may be better to use the latest version, which at the time of writing is 7.16.3. - Run
npm i
from a terminal/command prompt in the folder - In .eslintrc, update the parser line
"parser": "babel-eslint",
to"parser": "@babel/eslint-parser",
- In .eslintrc, add
"requireConfigFile": false,
to the parserOptions section (underneath"ecmaVersion": 8,
) (I needed this or babel was looking for config files I don't have) - Run the command to lint a file
Then, for me with just your two configuration files, the error goes away and I get appropriate linting errors.
QUESTION
I tried to run it and it said an error like the title. and this is my code:
...ANSWER
Answered 2021-Aug-28 at 07:49From the Mongoose 6.0 docs:
useNewUrlParser, useUnifiedTopology, useFindAndModify, and useCreateIndex are no longer supported options. Mongoose 6 always behaves as if useNewUrlParser, useUnifiedTopology, and useCreateIndex are true, and useFindAndModify is false. Please remove these options from your code.
QUESTION
After upgrading to android 12, the application is not compiling. It shows
"Manifest merger failed with multiple errors, see logs"
Error showing in Merged manifest:
Merging Errors: Error: android:exported needs to be explicitly specified for . Apps targeting Android 12 and higher are required to specify an explicit value for
android:exported
when the corresponding component has an intent filter defined. See https://developer.android.com/guide/topics/manifest/activity-element#exported for details. main manifest (this file)
I have set all the activity with android:exported="false"
. But it is still showing this issue.
My manifest file:
...ANSWER
Answered 2021-Aug-04 at 09:18I'm not sure what you're using to code, but in order to set it in Android Studio, open the manifest of your project and under the "activity" section, put android:exported="true"(or false if that is what you prefer). I have attached an example.
QUESTION
Just today, whenever I run terraform apply
, I see an error something like this: Can't configure a value for "lifecycle_rule": its value will be decided automatically based on the result of applying this configuration.
It was working yesterday.
Following is the command I run: terraform init && terraform apply
Following is the list of initialized provider plugins:
...ANSWER
Answered 2022-Feb-15 at 13:49Terraform AWS Provider is upgraded to version 4.0.0 which is published on 10 February 2022.
Major changes in the release include:
- Version 4.0.0 of the AWS Provider introduces significant changes to the aws_s3_bucket resource.
- Version 4.0.0 of the AWS Provider will be the last major version to support EC2-Classic resources as AWS plans to fully retire EC2-Classic Networking. See the AWS News Blog for additional details.
- Version 4.0.0 and 4.x.x versions of the AWS Provider will be the last versions compatible with Terraform 0.12-0.15.
The reason for this change by Terraform is as follows: To help distribute the management of S3 bucket settings via independent resources, various arguments and attributes in the aws_s3_bucket
resource have become read-only. Configurations dependent on these arguments should be updated to use the corresponding aws_s3_bucket_*
resource. Once updated, new aws_s3_bucket_*
resources should be imported into Terraform state.
So, I updated my code accordingly by following the guide here: Terraform AWS Provider Version 4 Upgrade Guide | S3 Bucket Refactor
The new working code looks like this:
QUESTION
I am reading this book by Fedor Pikus and he has some very very interesting examples which for me were a surprise.
Particularly this benchmark caught me, where the only difference is that in one of them we use || in if and in another we use |.
ANSWER
Answered 2022-Feb-08 at 19:57Code readability, short-circuiting and it is not guaranteed that Ord will always outperform a ||
operand.
Computer systems are more complicated than expected, even though they are man-made.
There was a case where a for loop with a much more complicated condition ran faster on an IBM. The CPU didn't cool and thus instructions were executed faster, that was a possible reason. What I am trying to say, focus on other areas to improve code than fighting small-cases which will differ depending on the CPU and the boolean evaluation (compiler optimizations).
QUESTION
I'm trying to make a Discord bot that just says if someone is online on the game.
However I keep getting this message:
[ERR_REQUIRE_ESM]: require() of ES Module from not supported. Instead change the require of index.js in... to a dynamic import() which is available in all CommonJS modules.
This is my code:
...ANSWER
Answered 2021-Sep-07 at 06:38node-fetch
v3 recently stopped support for the require
way of importing it in favor of ES Modules. You'll need to use ESM imports now, like:
QUESTION
I am trying to use react-router-dom
inside my react app and also I am using typescript instead of javascript. The issue here is that I can't import Route inside my component and make it work. I already installed @types/react-router-dom
but for some reason it's still not working as expected.
This is a component that is trying to use react-router-dom
ANSWER
Answered 2021-Nov-26 at 07:27react router v6 doesn't support exact
anymore.
// old - v5
// new - v6
} />
As stated in their documentation:
You don't need to use an exact prop on
anymore. This is because all paths match exactly by default. If you want to match more of the URL because you have child routes use a trailing * as in
.
You can refer to this migration guide: https://reactrouter.com/docs/en/v6/upgrading/v5
QUESTION
Why does the TypeScript compiler compile its optional chaining and null-coalescing operators, ?.
and ??
, to
ANSWER
Answered 2021-Nov-04 at 17:40You can find an authoritative answer in microsoft/TypeScript#16 (wow, an old one); it is specifically explained in this comment:
That's because of
document.all
[...], a quirk that gets special treatment in the language for backwards compatibility.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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