data structures Writeup #6
Description
In VSCode, show Python API code definition for request and response using GET, POST, UPDATE methods. Discuss algorithmic condition used to direct request to appropriate Python method based on request method.
In JavaScript code, describe fetch and method that obtained the Array of JSON objects.
In JavaScript code, describe fetch and method that obtained the Array of JSON objects.
describe fetch and method that obtained the Array of JSON objects (javascript)
- The fetch API in JavaScript is frequently used to make network queries in order to retrieve resources from a server. Usually, when you use fetch to retrieve an array of JSON objects, you send the request to a particular server endpoint. When the response is received, it is handled in a.then() block where its body is parsed as JSON and its status is checked. You may now manipulate or show this parsed JSON data—which represents an array of objects—in your application. In order to handle any potential difficulties that can occur during the fetching process, such as network faults or server-side issues, it is imperative to incorporate error handling using.catch(). You may efficiently retrieve and use JSON data in your JavaScript application by following these steps.
show and describe code that handles success. Describe how code shows success to the user in the Chrome Browser screen (javascript)
The given JavaScript code shows how to respond to a successful fetch operation and inform the user on the Chrome Browser screen of the data that has been fetched. When the fetchData function is called, a request is sent to a specified server endpoint. Within the retrieve promise chain, the server's answer is examined to see if the status code indicates that the request was successful. An error is raised if the response indicates that the request was not successful. On the other hand, in the event that the fetch operation is successful, the response content is parsed as JSON in the.then() block that follows. The JSON data that has been parsed is next processed; in this case, it is shown to the user and logged to the console.
The JavaScript code that is provided shows how to handle fetch operation failures and notify the user on the Chrome browser screen. The fetchData function sends a request to the designated server endpoint when it is called. The code looks at the status code within the fetch promise chain to determine whether the server's response was successful. An error is raised if the response shows that the request was not successful. Any failures, including server-side or network-related ones, that arise during the fetch process are caught in the.catch() block that follows. When something goes wrong, the code logs the error to the console so that debugging can take place. In order to include the data, it also automatically generates a new paragraph() element.
Linear regression:
A statistical method called linear regression is used to model the relationship between a target or dependent variable and one or more predictors or independent variables. In order to obtain the best-fitting line that minimizes the discrepancies between observed and anticipated values, it assumes a linear relationship between the variables. Whereas multiple linear regression uses many predictors, simple linear regression just uses one. The relationship is represented by the equation of the regression line, y = mx + b, where y is the expected value, x is the predictor, m is the slope, and b is the intercept. Linearity, residual independence, homoscedasticity, and residual normality are among the presumptions. Ordinary least squares is one approach used to estimate coefficients.