Computer and Internet

Welcome to the portal for computers, software, hardware, internet, network, web design, computer science and programming. On the right, you will find the most popular topics and the unanswered questions, this portal is divided into the following areas:

 

Note

If your topic is about a specific programming language or something similar, please write this directly in front of your question or the title of your article. So, for example: "PHP: How to..." or "CSS: How can I...". So, everyone immediately knows to what a topic or a question relates to.

New Topics

Facebook: How to delete a reaction from your post/block certain reaction?
Friends knowing I am against lgbt are reacting to my posts with the new rainbow reaction. How can I delete those reactions? How...
Open Question | 0 Answers
Delphi/Lazarus: Only allow Numbers in TEdit
Sometimes it may be necessary, that you only want numerical input in an Edit box. The user should only be allowed to type the...
Tip | 0 Comments
Windows: Useful Keyboard Shortcuts
In this information, I want to collect and list some useful key combinations for Windows. Let the work under Windows become...
Info | 0 Comments
CSS: Hover effect only for filled table cells
I have a table consisting of cells with or without content. Now, I want to implement some hover effect that should only be active...
Question | 1 Answer
Computer overwrites everything! Keyboard broken? Virus?
Since a short time, I have a terribly problem with my keyboard and my computer! That is why I am writing this text using my...
Question | 1 Answer
Can my computer get the same virus twice?
I am just wondering whether my computer can be infected twice by the same virus. Or is it similar to the human immune system that...
Question | 1 Answer

New Answers and Comments

Guest: For "IF(col IS NULL OR col = '', 'empty', col)", I believe you could use...
Question | MySQL: How to check if Field is NULL or EMPTY
Stefan Trost: You can work with the CSS selector :empty. This selector selects all empty elements and when combined with :not, you get all not empty...
Question | CSS: Hover effect only for filled table cells
Stefan Trost: The function, that makes you a hard time and which is making life difficult for you is called Insert/Overwrite switch and it can simply be...
Question | Computer overwrites everything! Keyboard broken? Virus?
Compi: If you have not closed the security hole or fixed the vulnerability that the virus has exploitet, the virus will certainly come back again...
Question | Can my computer get the same virus twice?
SmartUser: Window-Kit means that there is a window in the computer case through which you can see inside. With the filter you have found...
Question | PC Case: What is a Window Kit?
NetLabel: Use your right mouse button and click on the bar on which the symbol usually should be. This will open the context menu in which you can...
Question | Firefox: Download Icon disappeared