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How-to articles, tricks, and solutions about FILE

Apache Files Expires / Apache Set Caches

Apache is free and open-source cross-platform web server software. Read and know about Apache Files Expires module and how to set caches with Apache.

apache file

byte[] to file in Java

To write a byte[] to a file in Java, you can use the following code:

java file arrays io inputstream

Copying files from one directory to another in Java

To copy a file from one directory to another in Java, you can use the Files.copy method from the java.nio.file package.

java file directory copy

Downloading a file from spring controllers

To download a file from a Spring controller, you can use the ResponseEntity class along with the InputStreamResource class.

java file download spring controller

file upload php $_FILES undefined index error

The error "Undefined index: (name of the file input)" in PHP usually occurs when the form that is used to upload the file is not properly configured.

php file undefined upload indexing

Getting the filenames of all files in a folder

To get the filenames of all files in a folder in Java, you can use the File class and its list method.

java file directory filenames

Getting the names of all files in a directory with PHP

In PHP, you can use the scandir() function to get the names of all files in a directory.

php file directory filenames

How can I view/open a word document in my browser using with PHP or HTML

You can use the PHP function readfile() to read the contents of a Word document and then use the appropriate headers to prompt the browser to open or download the file.

html php file ms-word

How do I add PHP code/file to HTML(.html) files?

To add PHP code to an HTML file, you will need to use PHP tags.

html php apache file

How do I append to a file?

To append to a file in Python, you can use the "a" mode of the built-in open() function.

file python append