web

[Solved] Creating a notification using javascript and do that when the server says so [closed]

by

There are a number of different things you could use. You should probably take a look at Node.js and websockets. Alternatively, you can check out some recent solutions, such as Angular.js (by Google) and Meteor. Good luck! 1 solved Creating a notification using javascript and do that when the server says so [closed]

[Solved] What is the best way to do this site redirection

by

From the spec 10.3.2 301 Moved Permanently The requested resource has been assigned a new permanent URI and any future references to this resource SHOULD use one of the returned URIs. Clients with link editing capabilities ought to automatically re-link references to the Request-URI to one or more of the new references returned by the … Read more

[Solved] HTML and CSS not working

by

You cannot put <div> in the head section, here is the modified code: <!DOCTYPE html> <html> <head> <style type=”text/css”> #bottom{ width:70px; color:green; align-content:center; } </style> <title></title> </head> <body> <div id=”heading” title=”topbar”> <h2>Welcome to our website</h2> </div> <div id=”bottom” title=”bottombar”> <h2>Welcome to our website</h2> </div> </body> </html> You forgot the closing semi-colons in the css ; … Read more

[Solved] Materialize css input range [duplicate]

by

When working with position: relative; the way the object in question is positioned is indeed relative to page margins of your document or relevant container. So for example, of you had a header that you wanted to be positioned in the upper left hand corner of the screen, then the code may look something like … Read more

[Solved] Trying to change page content by menu clicks

by

In using php you can seperate your contents into files and include them selectively using if…else,include(‘fileName.php’) and checking for button click using isset(‘variableName’) pls note that the code below have not been tested : vars.php <?php $color=”green”; $fruit=”apple”; ?> test.php <form name=”new user” method=”post” action=<?php echo htmlspecialchars($_SERVER[“PHP_SELF”]); ?> > <input type=”submit” value=”show”/> </form> <?php if … Read more

[Solved] Notice: Undifined variable: [value] [duplicate]

by

You do not check if the following variables are set before you assign them. $_POST[‘naam’] $_POST[‘wacht’] As you did with $_POST[‘login’] you can use isset to check they exist before assignment. if (isset($_POST[‘naam’] && isset($_POST[‘wacht’]) { // Do something… } In addition to this in the query you are using the variables $gebruikersnaam and $wachtwoord … Read more

[Solved] Notice: Undifined variable: [value] [duplicate]

by

Introduction This question is related to a common issue encountered when programming in PHP. The error message “Notice: Undefined variable: [value]” indicates that a variable has been used in the code without being declared or assigned a value. This can lead to unexpected results and can be difficult to debug. In this post, we will … Read more