real-time | io layer of Overleaf for real-time editor interactions | Socket library
kandi X-RAY | real-time Summary
kandi X-RAY | real-time Summary
The socket.io layer of Overleaf for real-time editor interactions
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QUESTION
I'm using Firebase Real-Time Database as backend. I want it to increase by 1 max for each request For example:
...ANSWER
Answered 2021-Jun-15 at 14:34To validate that the new value is one higher than the existing value:
QUESTION
I am a python developer, but there is a small part that I need to complete in Javascript, I am unable to figure it out.
This needs to be done in a local computer only. I have a .csv file with two columns, and I Need to make a real-time line chart (it reads csv file every X seconds and refresh).
I tried some code from online, they work only with real url. My file is local, so I get this error in all the code I tried by copy/pasting.
Access to XMLHttpRequest at 'file:///C:/Programs/Stock/test.csv' from origin 'null' has been blocked by CORS policy: Cross origin requests are only supported for protocol schemes: http, data, chrome, chrome-extension, chrome-untrusted, https.
It would be great, If someone can help me with this, otherwise I need to learn Javascript from scratch.
CSV: https://wetransfer.com/downloads/632d4bc742d39f5fe8e820f62aa2e47d20210615070639/32404d
...ANSWER
Answered 2021-Jun-15 at 07:27Here is the basic example of plotting data from the python flask and HTML + JS.
Python Code:
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:
QUESTION
Everyone, I have made my own style and add this to qml.qrc then I calling it in main.cpp:
ANSWER
Answered 2021-Jun-13 at 21:21i've founded solution: It is not possible to change the style on the fly, because QQC2 styling is based on QML type registration time file selection, but it is possible to:
unload all QML, destroy any existing QQmlEngine instance(s), call qmlClearTypeRegistrations(), call QQuickStyle::setStyle(), and then re-load the QML content so that QQC2 types are re-registered with the new style. This process should be clearly documented in QQuickStyle. Preferably, an example should be provided that uses QML Settings to retain the state of the UI, for example.
It is important to emphasize the warning in the qmlClearTypeRegistrations() docs:
Do not call this function while a QQmlEngine exists or behavior will be undefined. Any existing QQmlEngines must be deleted before calling this function. This function only affects the application global cache. Delete the QQmlEngine to clear all cached data relating to that engine.
QUESTION
I have the following code and the code scrapes some data from websites like Redbubble. and sometimes I scrape a lot of data and I want to know the real-time progress in the code... I tried progressbar module but I didn't get what I want....
...ANSWER
Answered 2021-Jun-13 at 19:26If you have multiple pages to request from, here is a cool library, tqdm, which shows a progress bar.
QUESTION
I've been learning web development for the past 3 months, so I'm pretty new to it. Since 3 months, I've been working on the client-side of applications using React, and i can build somewhat usable websites using just this. I have even used firebase in some of my projects for the real-time database and for authentication as well. So, when i was able to do all this on the client-side, naturally i started to question the need of a server, or more specifically, server-side scripting.
Everywhere I've looked, the most highlighted aspect of server-side scripting was dynamic rendering of webpages. But that can also be done on React and pretty easily. So what is the real need of server-side scripting? Why would I even want to build a server using a server-side language such as NodeJS?
ANSWER
Answered 2021-Apr-24 at 17:46Many reasons; e.g. you need interacting with a system, which the end user should have no access to (say writing something to a database), you can only do it server side (cause you don't want to expose sensitive credentials to end users). Also, if you pre-render dynamic content server-side, it will be consumed by search engines; if you don't it likely won't be.
QUESTION
Whenever I fetch data from any server to display it in ag-grid, ag-grid does not maintain the column order for the column that uses valueGetter to choose the value and puts that column automatically at the end.
The problem is replicated in the following code sandbox link: https://codesandbox.io/s/ag-grid-column-ordering-bug-bz055 as a minimum reproducible example
The data received from the server is in the following format
...ANSWER
Answered 2021-Jun-11 at 14:48Since the column does not have a field supplied, I'd recommend either supplying a field or colID to the column. This would be the simplest approach without having to use any API calls to move the column:
QUESTION
I am using Xampp for my project where I have PHP files. I have another laravel project which I want to open when a user clicks on a button in PHP file. So, I want laravel project to work in Xampp so that I can complete the functionality of clicking button in "library.php" opening "showForm.blade.php" and on clicking button in "showForm.blade.php" sends request to "web.php"
"showForm.blade.php" is like this:
...ANSWER
Answered 2021-Jun-07 at 05:25Ok so after all the things I finally got it to working
No need to change the folder to laravel inside root project
No need to change the DocumentRoot
Just Had to change in blade.php from
QUESTION
I have to deal with a node.js server project that uses global variables for common APIs. For instance in the entry point server.js there is a Firebase variable for the real-time database that is stored like this:
...ANSWER
Answered 2021-Jun-10 at 19:03WARNING: MAKE SURE YOU UNDERSTAND THE PROBLEMS WITH GLOBALS BEFORE USING THEM IN A PROJECT
The above warning/disclaimer is mostly for anyone starting a new project that might happen across this answer.
With that out of the way, create a new .d.ts file and put it somewhere with a descriptive name. For example, globals.d.ts at the top level of the directory. Then just populate it with the following (I don't have any experience with firebase, so I had to make some assumptions about which module you're using, etc.):
globals.d.ts
QUESTION
I am trying to create a form with a text area whose value will the inner HTML of a div which I intend to place on top/below the text area and also be able to access the text area at the same time
my HTML with inline CSS and the javascript code to update the inner HTML of the div element is :
...ANSWER
Answered 2021-Jun-10 at 14:06Please correct me if I am wrong, but it seems like you are essentially trying to roll your own version of a simple WYSIWYG editor, the goal being to have a textarea that allows users to see their input formatted as HTML in real-time.
In cases like this, my recommendation would be to make use of tried and true libraries out there, like CKEditor, rather than reinventing the wheel.
I've modified your code to use CKEditor below (as a starting point):
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