eq.js | Lightweight JavaScript powered element queries
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kandi X-RAY | eq.js Summary
Lightweight JavaScript powered element queries
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QUESTION
We are overriding console.log
in our productive ExpressJS application to add certain fields (e.g. timestamp, sessionid, requestid) as well as send logs to a syslog server.
We are doing this by adding console.requestId
and console.sessionId
properties to the global console
object and then overriding console.log()
to output these values as well as send logs to syslog. This works fine:
ANSWER
Answered 2021-Jun-14 at 10:27You'll probably need to use async hooks
for this, something like
QUESTION
Im using next.js and strapi. I am trying to set a httpOnly cookie between my next js front-end and my strapi app.
The cookie is recieved by the backend however when i try to make a request to the backend - The cookie is not present. However when i use postman the cookie set is present.
Strapi app:
...ANSWER
Answered 2021-May-16 at 09:16I eventually fixed this - The issue was infact because the cookies were not being saved into my browser.
There were two issues:
- Credentials were needed as this was a cross origin request and for cookies to be sent i had to explicitly say so
QUESTION
I'm learning ReactJS, I'm trying to get data from an API,the data is loaded, however when using "items.results" in MovieRow.js, I get these errors:
*Uncaught TypeError: Cannot read property 'results' of undefined.
*Warning: Each child in a list should have a unique "key" prop.
**
Tmdb.js
...ANSWER
Answered 2021-Mar-04 at 13:53*Uncaught TypeError: Cannot read property 'results' of undefined.
You have a typo in your data, itens
instead of items
. This causes item.items
to be undefined, and as a result, MovieRow gets undefined items
, on which you then try to map, causing the error.
It would be a good idea to prevent these issues by null checking in MovieProp component, as well as leveraging PropTypes to tell React what each component expects, so you can get less cryptic errors:
QUESTION
Goal - creating middleware-like callback in userHandler in util.js util.js for some express routes in express app, generated with express-generator and sequlize-cli.
Expected - user model successfully used in routes and userHandler in util.js.
Result - user model successfully works in login route, but is undefined in userHandler in util.js. When requiring models fully getting {}. Require seems correct.
console error
...ANSWER
Answered 2021-Jan-18 at 14:30Problem found - unclear circular dependency
utils.js requires models/index.js
models/index.js not directly requires models/user.js
models/user.js requires utils.js, more exactly - signToken function from it
What was done - renamed utils.js in routeUtils.js, put signToken and verifyToken functions to new file tokenUtils.js, updated imports in other files, so this circular dependency will not happen, after this, it imported correctly.
Main updates:
File structure
routeUtils.js
QUESTION
I don't understand how this https://github.com/bbc/peaks.js/blob/master/demo/TOL_6min_720p_download.json can be turned into a waveform visualization with peaks.
I see the data in that file is a flat array of numbers. I am trying to understand how to convert those numbers into something meaningful for visual drawing.
Check out this fiddle to see a deeper look into the code https://codesandbox.io/s/cool-dijkstra-fyw25?file=/src/App.js
The goal is to create peaks with a high and low that looks like the image. I assume every 2 indexes represent a peak, but I don't want to assume anything.
I am pulling the JSON and passing it into the draw function like this
...ANSWER
Answered 2021-Jan-03 at 21:54Expanding on my comment on getting the max and min then us those to get a relative value, I'm doing the 15px bounds as you suggested, so the center will be 0 and the upper bound will be 15px, and the lower bound -15px that will be used in our calculations...
Here is what we can do:
QUESTION
I'm trying to build a model in Tensorflow.js to classify 2 features.
Input (training) data screenshot for clarity <- "Class" there is the label for A and B features inputs.
My results looks like this: Results where "Pred-Class" is predicted by model
So, based on results I would like to ask community the next questions:
1. I'm feeding the model with One Hot values for classification in the next Tensor:
...ANSWER
Answered 2020-May-28 at 02:22There is a big mistake in your label when you convert them to one hot
QUESTION
The below server code is working fine for 5GB file using
wget http://localhost:11146/base/bigFile.zip
but not using client side code.
...Server side code.
ANSWER
Answered 2017-Jul-04 at 04:56Easiest way is to use request
module
Here you are trying to store entire result in memory and console log it. 5GB is pretty much large, either you must increase Node.js memory limit (not recommended) or you must use streams. See the streaming example below from request
npm documentation:
QUESTION
I found out that editing a full_description
of a DockerHub repository can be done via a JavaScript API, and figured this would be a fun excuse to learn the requests
package for python. The JavaScript API definitely works, e.g. using this simple docker image.
The JS API basically does
- Send a
POST
request tohttps://hub.docker.com/v2/users/login
with the username and password. The server responds with atoken
. - Send a
PATCH
request to the specifichttps://hub.docker.com/v2/repositories/{user or org}/{repo}
, making sure the header hasAuthorization: JWT {token}
, and in this case with content body of{"full_description":"...value..."}
.
What is troubling is that the PATCH
request on the python side gets a 200 response back from the server (if you intentionally set a bad auth token, you get denied as expected). But it's response actually contains the current information (not the patched info).
The only "discoveries" I've made:
If you add the debug logging stuff, there's a 301. But this is the same URL for the javascript side, so it doesn't matter?
...
ANSWER
Answered 2020-Jan-15 at 20:07As it turns out the JWT {token}
auth was valid the entire time. Apparently, you need a /
at the end of the URL. Without it, nothing happens. LOL!
QUESTION
In my react application, I have a child component LoginForm
as follows:
ANSWER
Answered 2020-Feb-27 at 16:20I think the problem is that you are assigning the method as a value to bodyHandlers object before binding it. Try switching the order:
QUESTION
So I have a problem with react-redux. I have a SignIn screen where people can enter their username and password. These credentials are send to the server, and if the are correct, an auth token is send to the client. I store this auth token in redux. To "visualize" my problem, I've added the (simplified) code below. Below the code is some more explanation.
...ANSWER
Answered 2020-Feb-12 at 21:50With redux, you can use mapStateToProps
to bring the value of a redux reducer into your component. I presume you are already doing this, but if not read up on it.
With that, you have access to the value and as soon as it changes your component will update. You watch this update, and if it has a new token value in it, you save it to your state.
With hooks, that would be done with useEffect
. The second argument is watched and the function runs when it changes, so you'd put the mapped props value there.
Without hooks, you'd watch for it in componentDidUpdate
which receives the old props as the first argument, allowing you to check oldProps.myMappedReduxValue !== this.props.myMappedReduxValue
.
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