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How-to articles, tricks, and solutions about HTTP

Adding header for HttpURLConnection

To add a header to an HTTP request using HttpURLConnection, you can use the setRequestProperty method.

java http

Detecting request type in PHP (GET, POST, PUT or DELETE)

In PHP, you can use the $_SERVER['REQUEST_METHOD'] superglobal to detect the request type.

php http request

Doing HTTP requests FROM Laravel to an external API

To make an HTTP request from Laravel to an external API, you can use the HTTP client of your choice.

php http laravel request

How can I select and upload multiple files with HTML and PHP, using HTTP POST?

You can use the following HTML code to create a form that allows users to select and upload multiple files.

html php http post upload

How do I do a HTTP GET in Java?

To send an HTTP GET request in Java, you can use the java.net.URL and java.net.HttpURLConnection classes.

java http get httpurlconnection

How do I implement basic "Long Polling"?

Here's an example of how you can implement Long Polling in PHP:

php http comet

How Does the Access-Control-Allow-Origin Header Work

Read this tutorial and learn about how the Access-Control-Allow-Origin response header works. Also, read about CORS, the origin, and non-simple requests.

javascript json link http

How to Convert the Image into a Base64 String Using JavaScript

Read this tutorial and learn several methods of converting an image to a Base64 string using JavaScript. Choose the right approach for you and try examples.

javascript HTML5 file http converting canvas filereader blob

How to disable output buffering in PHP

In PHP, you can disable output buffering by calling the ob_end_flush() function or flush() function.

php http mjpeg

How to download a file over HTTP?

Import the "urllib" module:

http python urllib