Why is there a problem with hidden nodes?
Increasing the power on mobile nodes may not work if, for example, the reason one node is hidden is that there is a concrete or steel wall preventing communication with other nodes. It is doubtful that one would be able to remove such an obstacle, but removal of the obstacle is another method of remedy for the hidden node problem.
Why do I need to hide a field in HTML?
When the user submits the form, all of the data they have entered is sent, including the data stored invisibly in the hidden fields. Why Hide a Field? hidden fields are used programatically, to pass information about the current page to the server.
Can a user change the value of a hidden field?
The user cannot change the value of the field, or interact with it. When the user submits the form, all of the data they have entered is sent, including the data stored invisibly in the hidden fields.
What can a hidden field be used for?
Hidden fields can also be used to pass information back to scripts. This may include security tokens, or the name of the relevant row in the database. The user does not need to see this data, but it is passed back to the server on submission so that scripts function correctly behind the scenes.
How to toggle between hiding and showing an element?
How To Toggle Between Hiding And Showing an Element Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more. Tutorials References Exercises Menu
How does IEEE 802.11 solve the hidden node problem?
IEEE 802.11 uses 802.11 RTS/CTS acknowledgment and handshake packets to partly overcome the hidden node problem. RTS/CTS is not a complete solution and may decrease throughput even further, but adaptive acknowledgements from the base station can help too.