HTTP specification does not limit length of headers at all. However web-servers do limit header size they accept, throwing 413 Entity Too Large if it exceeds. Depending on web-server and their settings these limits vary from 4KB to 64KB (total for all headers).
This is my preferred way of doing it. It gives maximum control. (Note: Conditional statements are only supported in IE5 – 9.) First set up your ie classes correctly <!DOCTYPE html> <!–[if lt IE 7]> <html class=”lt-ie9 lt-ie8 lt-ie7″> <![endif]–> <!–[if IE 7]> <html class=”lt-ie9 lt-ie8″> <![endif]–> <!–[if IE 8]> <html class=”lt-ie9″> <![endif]–> <!–[if gt … Read more
I started to write a Script to read OS and browser version that can be tested on Fiddle. Feel free to use and extend. Breaking Change: Since September 2020 the new Edge gets detected. So ‘Microsoft Edge’ is the new version based on Chromium and the old Edge is now detected as ‘Microsoft Legacy Edge’! … Read more
It is a long and sad story. In summary: Mozilla browser gets released, with User-Agent Mozilla/1.0 (Win3.1). It is publicly renamed to Netscape, but in its User-Agent it keeps its original name . Internet Explorer is released. It spoofs Netscape by starting its User-Agent with Mozilla/ because web servers were routinely browser sniffing and serving … Read more
Here are my thoughts: The purpose of auth code + token in authorization code flow is that token and client secret will never be exposed to resource owner because they travel server-to-server. On the other side, implicit grant flow is for clients that are implemented entirely using javascript and are running in resource owner’s browser. … Read more
There are open source scripts on Detect Mobile Browser that do this in Apache, ASP, ColdFusion, JavaScript and PHP.
-new Date().getTimezoneOffset()/60; The method getTimezoneOffset() will subtract your time from GMT and return the number of minutes. So if you live in GMT-8, it will return 480. To put this into hours, divide by 60. Also, notice that the sign is the opposite of what you need – it’s calculating GMT’s offset from your time … Read more