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How to Create Server for Multi-user Quiz using HTML, CSS, & JavaScript?

I am designing one quiz for my team members using HTML, CSS, and JavaScript but don't know how to make it available to multiple users at the same time. I want to build a real-time quiz as we have in any online entrance exam.   I kn...

How to Create a Simple Admin Page in HTML?

At first i'm a beginner and i have a simple project to do.   I'm trying to build a simple admin page that add some content to my website   This is not a big deal, but i need someone who can instruct my directly ...

How can I Control the Cache for a Subpage?

I am starting on web-security and I have to control the cache on the portal, this portal has many urls. I understand that I need to set the header with this: response.setHeader("Cache-Control","no-cache,no-store,must-revalid...
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