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File upload class library

PHP uses ftp to upload files remotely

File upload class library

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PHP uses ftp to upload files remotely Share a php remote upload file class using ftp, Perfectly solves the problem of master-slave file synchronization, Open and log in to the server, Create a directory and locate the directory to the current directory, Get the ftp server configuration.

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JavaScript tutorial to implement independent preview and status update of images in multiple file input boxes

10 Nov 2025

This tutorial aims to solve how to implement independent image preview and status text update for each file input box in a multi-file upload scenario. By correcting the misuse of IDs in HTML and using JavaScript's class selector and iteration methods, we ensure that each upload component can independently and correctly display the preview of the selected image and update its upload status to avoid cross-influence of content, thereby building a fully functional and user-friendly multi-file upload interface.

Get unique file record with latest upload details in Java

12 Jan 2026

Regarding the FileDetails class in Java, when multiple file records have the same file name but different upload dates, this article explores how to use the Java Stream API to efficiently filter out the latest upload details records for each unique file name from the collection, avoiding misunderstandings that the equals and hashCode methods may bring when processing versioned data.

Node.js Multer File Upload Guide: Ensure HTML Forms Are Configured Correctly

13 Dec 2025

This tutorial aims to solve the common problem of req.files (or req.file) showing as undefined when using the Node.js Multer library to handle HTML form file uploads. The article will delve into the file upload mechanism, focusing on the importance of the enctype="multipart/form-data" attribute in the HTML tag, and provide complete code examples and configuration guides to ensure the normal operation of the file upload function.

How to import an Excel or CSV file into the database in Laravel?

21 Nov 2025

First install the maatwebsite/excel package, then create an import class and define data mapping, handle file upload in the controller and call the Excel::import method to complete the import.

Efficiently import Excel data into database models in Django

11 Jan 2026

This tutorial details how to implement Excel data import function in Django application. By integrating the openpyxl library, we will learn how to build a file upload form, write Django views to parse uploaded Excel files, and batch create or update data into the database model. At the same time, we will provide necessary code examples and best practice suggestions to ensure the accuracy and efficiency of data import. This tutorial details how to implement Excel data import function in Django application. By integrating the `openpyxl` library, we will learn how to build a file upload form, write a Django view to parse the uploaded Excel file, and batch create or update data to the database model

Python: Generate CSV object in memory and upload directly to API

11 Nov 2025

This tutorial details how to not write a CSV file to disk in Python, but instead generate the CSV data directly in memory and upload it to the API as a file. By combining the io.StringIO and csv modules, CSV content can be efficiently built and then sent as part of a POST request using the requests library, optimizing performance and reducing file I/O operations.