2023 - Page 2 of 5 - LearnWithIsrak

How to fix a page not found on Netlify with react-router-dom

Have you tried to refresh your page after successfully deploying it on Netlify and you get “Page not found”? Encountering a “Page Not Found” error on Netlify when using react-router-dom typically indicates an issue with your routing configuration or the deployment setup. To fix this issue, you need to create a netlify.toml file inside your public folder. Netlify allows […]

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Database Evolution

Computer, Database / learnwithisrak

The history: The history of databases begins in the 1960s with the computerization of databases. Computers emerged as a more cost-effective option for organizations. It also became easier to shift data storage and databases to computers. The chronological order of the development of databases is as follows: Flat files: Flat files databases were used during

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Invalid login: 534-5.7.9 Application-specific password required. Learn more at 534 5.7.9 https://support.google.com/mail/?p=InvalidSecondFactor jk8-20020a170903330800b001b9dadf8bd2sm2307952plb.190 – gsmtp

Programming, React Js / learnwithisrak

The error message you provided, “Invalid login: 534-5.7.9 Application-specific password required,” indicates an issue with the login credentials or authentication method you are using for the Gmail SMTP server. Here are a few steps you can take to address the problem: Make sure to update your email sending code with the correct login credentials or

Invalid login: 534-5.7.9 Application-specific password required. Learn more at 534 5.7.9 https://support.google.com/mail/?p=InvalidSecondFactor jk8-20020a170903330800b001b9dadf8bd2sm2307952plb.190 – gsmtp Read More »

ReferenceError: path is not defined

Programming, React Js / learnwithisrak

The path module is a built-in module in Node.js, so you can use it directly without the need for an additional import. Here’s the corrected code snippet: By using require(‘path’).resolve(file.path), the absolute path of the file will be resolved correctly. Please make sure to save your changes and restart the server after making these adjustments.

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Error: ENOENT: no such file or directory

Programming, React Js / learnwithisrak

The error “ENOENT: no such file or directory” typically occurs when the server cannot find the specified file or directory. This error can be related to the file upload destination or the path where the file is being saved. Here are a few steps to help resolve the issue: By using path.resolve(file.path), the absolute path

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How to send form data with a file attachment to an email address using React

Programming, React Js / learnwithisrak

To send form data with a file attachment to an email address using React, you’ll need to follow these steps: Update and recommended solution (https://learnwithisrak.com/how-to-send-form-data-with-a-file-attachment-to-an-email-using-react/) Here’s an example of how to implement this: Frontend (React): Backend (Node.js with Express and Nodemailer): You’ll need to set up a backend server to handle the form data and

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How to Scroll in React Js

Programming, React Js / learnwithisrak

In React, you can use the onClick event handler along with the scrollIntoView() method to scroll to a specific element when a click event occurs. Here’s an example of how you can achieve this: First, make sure you have a reference to the element you want to scroll to. You can use the useRef hook

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Cybersecurity Glossary

Computer, Cybersecurity / learnwithisrak

A Absolute file path: The full file path, which starts from the root Access controls: Security controls that manage access, authorization, and accountability of information Active packet sniffing: A type of attack where data packets are manipulated in transit Address Resolution Protocol (ARP): A network protocol used to determine the MAC address of the next

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How to open a component using onClick in React Js.

Programming, React Js / learnwithisrak

To open a component using `onClick` in React, you can create a state variable to track whether the component should be displayed or hidden. Here’s an example of how to do this: In this example, we’ve created a state variable called `isOpen` using the `useState` hook to track whether the component should be displayed or

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Project Crashing

Computer / learnwithisrak

Procedure for crashing: Step-1: Draw the network diagram and mark the Normal and Crash times. Step-2: Calculate TE and TL for all the activities. Step-3: Find the critical path and other paths. Step-4: Find the slope for all activities and rank them in ascending order. Step-5: Establish a tabular column with the required field. Step-6:

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