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Well I imagine you can use the info from both of these tutorials to figure out the login form. PHP Form Handling - https://www.w3schools.com/php/php_forms.asp CSS Login Form - https://www.w3schools.com/howto/howto_css_login_form.asp Our SQL section can handle your Database questions. https://www.w3schools.com/sql/default.asp Here's the hosting section if you want to figure out what database you want that W3 have tutorials on. https://www.w3schools.com/sql/sql_hosting.asp

Please do not reply to old topics.

What datasets are you looking at specifically?

There's nothing odd with this one. You're missing the fact that the program checks for two things Valid URL (FILTER_VALIDATE_URL) Has a query string (FILTER_FLAG_QUERY_REQUIRED) "https://www.w3schools.com" is a valid URL, but lacks a query string and therefore does not succeed the check.

You could use a For loop in combination with document.getElementsByClassName And add a class to all the elements you want disabled together. <h2>ClassName For Loop</h2> <label><input onchange="some_function(this);" type="checkbox" checked>Check</label> <input type="text" class="some-class"> <input type="text" class="some-class"> <input type="text" class="some-class"> <input type="text" class="some-class"> <input type="text" class="some-class"> <input type="text" class="some-class"> <input type="text" class="some-cla

"keeps looping?" How many times does it loop? Your code as written sends as many alerts as there are sites in specificSiteLinksArray

What's the error you're getting?

There could be many things going wrong here, but we won't know it until you include some code. Try the forum's code block feature.

Very nice introduction, but do you need help with anything?

You might find a bit more luck by including the code snippet inside the Forum's Code block feature rather than linking an FTP.

To answer your float/double question, decimal numbers don't have infinite accuracy due to their representation in binary. As you can see you're 0.000000000001 out due to that. This is usually why choosing your data type and rounding appropriately are important. Different data types have different accuracies. Your third question seems like there's something else underneath which you aren't asking. I'll answer it as generally as possible. Method Overloading like that is used for when you want to use one function for multiple different data types, or different amounts of them, and you requir

That would be because you're "C:/Users/YourName>" is the example of what's in your terminal already. The command you had to run was simply javac MyClass.java

Nice meme.

Hey Valentino! You can see what's allowed in the Terms of Service Page. https://www.w3schools.com/about/about_copyright.asp

What issue are you having? What are you trying to do?