dawn | A startpage called "dawn" | Web Framework library
kandi X-RAY | dawn Summary
kandi X-RAY | dawn Summary
A startpage called "dawn".
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dawn Examples and Code Snippets
Lines of Code : 26License : Non-SPDX (Apache License 2.0)
Copydef dawsn(x, name=None):
"""Computes Dawson's integral of `x` element-wise.
Dawson's integral is defined as `exp(-x**2)` times the integral of
`exp(t**2)` from `0` to `x`, with the domain of definition all real numbers.
Dawson's function is Community Discussions
Trending Discussions on dawn
QUESTION
I'm new to React and I'm doing a learning project where I build an extremely simple Mad Libs game. I'm struggling and not sure how to go about doing it.
I built a skeleton, but I'm not sure how to pass props from
useState.
I'd appreciate any help. This is what I have so far:
App.js
...ANSWER
Answered 2021-Jun-11 at 14:28Firstly, your blanks state should be initialized as an empty object like this:
QUESTION
So, the problem is that when ajax script receives dictionary from server it gains different order:
Server sent this:
...ANSWER
Answered 2021-Jun-09 at 16:04If your object has properties that are "indexes" (numeric strings in range 0 .. 2^32-1), these properties are always enumerated is sorted numeric order. There's no way you can change that.
Have your server app return data in a more reasonable format, like an array of number-string pairs or an array of objects {id, value}. If this is not possible, convert your object to the said format on the client side, for example:
QUESTION
I created a sandbox to outline the main points of interest: https://codesandbox.io/s/restless-dawn-nwy0l
Please ignore the formatting as this is just a MWE I put together.
When I run the following test in the sandbox above
...ANSWER
Answered 2021-Jun-04 at 18:08In your test, you setup a mock version of value, dispatch which does not trigger update when you click on Block mine button.
But in actual code, in App.tsx you use useReducer hook (deep down it trigger re-render and new props is passed to Statistics via Context).
To fix it, just simulate your test with useReducer
QUESTION
I am currently building a scheduling app. If a user selects two dates, I am attempting to select all date blocks between the two selected dates in the calendar as well. I am able to achieve this, but it causes my useEffect to fire into an infinite loop because I have state as a dependency in my useEffect where I am setting state. I am unsure of the best method to prevent the infinite loop behavior. The useEffect in question is the bottom one. My code is as follows:
...ANSWER
Answered 2021-May-21 at 16:11If your useEffect depends on a variable that you're updating on the same useEffect there will always be the re-render and cause a loop.
If you want it to execute only once, you should remove the data variable from the useEffect dependency array.
But if you really wanna mutate the state every time that the data variable changes, my recommendation is to create another state for the mutated data.
For example setFormattedData would not change the data itself, but you would still have a state for this data in the format that you want.
QUESTION
I currenty have an array of dates that looks like the following:
...ANSWER
Answered 2021-May-20 at 20:53For each dateArr element, you're iterating over events and returning a list of objects with the two specified options. Instead, you can use Array#find to check if it exists or not:
QUESTION
I am creating REST API's.
...ANSWER
Answered 2021-May-19 at 04:34I figured out - we can use pydantic or schema for django. They offers validations also. I preferred pydantic.
EDIT
Pydentic example
Schema
QUESTION
How do you wrap text around an image in HTML and CSS? I have an image and a text next to it, but it would not go below the image. how could I make text go around the image? What would be the best way for the text and image to looks when we view on a phone screen.
I cannot any useful way on the internet. I am quite new to html
Thank you.
here is my code bellow
...ANSWER
Answered 2021-May-09 at 22:34To make the time below the image, remove
QUESTION
I have a table in text form that I want to read into pandas
I can use \n to separate the rows, but how can I separate the columns they are in the format ( 2 x text fields, then 6 x numeric).
Is there a method using regex or similar?
...ANSWER
Answered 2021-May-07 at 08:01You could try this:
QUESTION
I'm looking for a way to to calculate the most frequent name per group, and then change all names in this group to the most frequent name, or create a new column with the most frequent name. In the dataset, there may be ties in the frequent names, so in these cases, I would like it to pick either one of the tied names. For example:
The sample data looks like this:
...ANSWER
Answered 2021-May-05 at 23:38Mode() returns 2 values when there is a tie. Simply take the first one from the Mode():
QUESTION
Consider the following example:
...ANSWER
Answered 2021-May-03 at 04:30Because of the lifecycle of React, when you are using a functional component, it is also considered stateless and will re-render every time there is an update in its parent component, whether there is a change in props passing into the child.
There are two ways you can do to change this behaviour,
use class component and decide whether to update it using
shouldComponentUpdateor the recommended way using
React.memo,
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