bulb | A reactive programming library for JavaScript | Reactive Programming library
kandi X-RAY | bulb Summary
kandi X-RAY | bulb Summary
Bulb is a reactive programming library for JavaScript. It provides a simple API for writing event-based programs in a declarative style. The main data structure introduced by Bulb is called a signal. A signal represents a time-varying source of values — for example, the value of a text input, a periodic timer, or the position of the mouse pointer in the browser window. The Bulb API provides many functions for creating signals from various sources (e.g. arrays, timers, AJAX requests, DOM events, etc.) and for modifying signals using combinators. A number of libraries already exist for reactive programming in JavaScript (e.g. RxJS, Bacon.js, Most.js), but Bulb differs in that it tries to avoid providing a "kitchen sink". Instead, Bulb defines a very focussed API that contains only the key building blocks for reactive programming in JavaScript.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of bulb
bulb Key Features
bulb Examples and Code Snippets
Community Discussions
Trending Discussions on bulb
QUESTION
I installed the python-kasa library to control TPLink smart home devices from my local server. while issuing commands from the command line is simple, I'm trying to execute them in Bash based on result of the query. My dilemma is purely my coding ability and I'm looking for a push in the right direction. what I would like to do is along the lines of the following syntactically incorrect mess:
...ANSWER
Answered 2021-May-24 at 05:05Something like this maybe?
QUESTION
I have some hierarchical data that I am trying to get into a more relational style table. I want to mutate a column to my dataframe that tells me the parent to each row. Here, Lights is a child to Electrical, and Wiring and Bulbs are both children to Lights, and so on. Is there a way I can say "if Level = 2, find the nearest Level 1 above it in the dataframe, and assign that as its parent?" Another example would be: if the row is a Level 3 item (Wiring), its parent would be the nearest Level 2 above it in the dataframe (Lights).
I would need the nearest Level above it since the data is stored hierarchically.
...ANSWER
Answered 2021-May-26 at 03:19Here is one way to do this but I think there should be other better/efficient solution to this.
QUESTION
I have an SQL-Table which is build like a tree list (parent child). Means you have rootId's and childId's. Each entity has a ParentId. If the ParentId is null then that element is a root item.
Here an example of the hierarchical architecture
...ANSWER
Answered 2021-May-21 at 20:26If you don't interest to load all records from database then process them, you have two choices :
Solution 1 : Write a StoreProcedure and processing in database.
Solution 2 : Write a recursive function that send multiple requests to database (In the amount of root depth)
Here is a function for solution 2 :
QUESTION
ANSWER
Answered 2021-May-10 at 06:02There seem to be two issues here.
- When adding an event listener for a click event, it must be called with
click
that is to be passed as the first parameter to the listener, but you've addedonClick
querySelectorAll
returns aHTMLCollection
. SoclassList
will not be a valid property on it. You might want to loop through the elements fromallCircles
to remove the class.
I've modified the listener and corrected the classist related fix for the first button here https://jsfiddle.net/gr33nw1zard/y7f5wnda/
QUESTION
I have this text that I want to read the first column from in my project named Data.txt.
...ANSWER
Answered 2021-May-05 at 02:31You're sort-of on the right track with the delimeters. Here's how I did it and it can be cleaned up a bit, and you'll have to make a for loop to iterate through the arraylist and get each one, and split each one and print each one's 0'th index ( "str" is the string/text file you provided )
QUESTION
I try to extract the next page href string using lxml.
For example I try to extract the "/review/bulb.co.uk?b=MTYxOTg5MDE1OTAwMHw2MDhkOGZlZmY5ZjQ4NzA4ZTA4MWI2Mzk" from the html in the following example:
...ANSWER
Answered 2021-May-03 at 18:51Making this change to your code
QUESTION
I build ViewController with UiCollectionView, and I created my custom View to display in every cell. This is the code on my controller to display, resize the cell. I need to have 3 cell for every row in UiCollectionView
...ANSWER
Answered 2021-Apr-27 at 10:27Add the UICollectionViewDelegateFlowLayout
delegate and add these methods and update your values according to your requirement like:-
QUESTION
These are the grocery store lists:
...ANSWER
Answered 2021-Apr-26 at 13:06Make sure you are using item.lower() and not item.lower. I would also use a dictionary, where the key is the name of the aisle, and the value is a list of items in that aisle.
QUESTION
I am developing a app with React-Native and I am using vscode as a code editor. When I import some image or package, I got these red and yellow underline error. How to fix this?
One thing that I can't understand is only "Fontawesome" has no such error, but both "MaterialCommunityIcons" and "Ionicons" have red underline error. (Line 4,5,6)
When I mouse over the line 1 yellow underline, it shows me following.
ESLint is disabled since its execution has not been approved or denied yet. Use the light bulb menu to open the approval dialog.
When I mouse over the line 5,6 red underline, it shows me following.
Could not find a declaration file for module 'react-native-vector-icons/MaterialCommunityIcons'.
I uninstall and installed "react-native-vector-icons" package several times but same error.(exactly not error, I think just type error. Code working well.) I installed following extensions.
...ANSWER
Answered 2021-Mar-24 at 09:52It would be fitting to post separate questions for these, but:
- Error on line one (ESLint is disabled):
This might have several reasons, but given the error message please try the following method in the command palette and allowing ESLint access:
cmd + shift + p
, search for 'ESLint: Manage Library Execution'
Otherwise you can check other solutions eg. here: ESLint not working in VS Code?
MaterialCommunityIcons
type declaration missing error:
Perhaps you have not installed the corresponding types - do so by running:
yarn install @types/react-native-vector-icons -D
- Cannot import from
*.png
error:
By default, typescript does not understand *.png
files. You can fix this by adding a *.d.ts
(eg. assets.d.ts
) file (eg. in a top-level types
folder), with the following contents:
QUESTION
I need to create a linkedlist. I need to add a method to a class UnsortedBulbList to append to the linkedlist. However, I keep getting the error:Cannot find Symbol. I've been stuck on this for way too long... any help would be greatly appreciated!
'''
...ANSWER
Answered 2021-Apr-16 at 02:50The mistake here is that you are trying to use the append
method of the Bulb class, which doesn't exist. Instead, I think you wanted to call the append method of the parent class, like:
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