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impressive tips and tricks with interactive tools and collection

How to write Comments in Programming Languages?

Comments in programming languages are used to document the programs. Comments are non-executable and are used to explain the code written in the program.  Different programming languages have different syntaxes for writing the comments in the program. Let’s have a look at a few of them.

Difference between LED and LCD

Liquid Crystal Display (LCD): An LCD is a passive device, which means that it does not deliver any light to display characters, animations, videos, etc. LCD uses fluorescent tubes to lighten the picture, but can’t provide a clearer picture as LED delivers. It delivers good color accuracy, but we can notice the difference if we compare LED and LCD color accuracy. In LCD, the wide-angle decreases with 30 degrees from the center in the image then the contrast ratio.

Placeholder Responsive Ad Code

If you are a Web Template Developer, and if you want to show a place for an ad, and if you are looking for a placeholder code; you are at the right place.

Even if you have a commercial website looking for ads, and you want to show specific places available for Ad, you can use this code too.

How to uninstall/delete Android Studio from Windows completely?

Step 1: 

Open the Windows Control Panel and under Programs, select "Uninstall or change a Program". After that, click on "Android Studio" and press Uninstall

Step 2: 

To delete any remains of Android Studio setting files, in File Explorer, go to your user folder (%USERPROFILE%), and delete .android, .AndroidStudio and any analogous directories with versions on the end, i.e. .AndroidStudio2.1, as well as .gradle and .m2 if they exist. You can go this way too:  C:\Users\(%USERPROFILE%)

Step 3: 

Then go to %APPDATA% and delete the JetBrains directory.

Step 4: 

Now delete the any AndroidStudio directories that are in %LOCALAPPDATA% and %APPDATA% that are inside Google folder. Normally here: 

  • C:\Users\(%USERPROFILE%)\AppData\Local\Google
  • C:\Users\(%USERPROFILE%)\AppData\Roaming\Google

Step 5: 

To delete any remains of the SDK, go to C:\Users\(%USERPROFILE%)\AppData\Local and delete the Android directory and Android Open Source Project.

Step 6: 

Go to C:\Program Files and delete the Android directory

Final Step: 

You have to do three extra works. Here are those. 

  • Delete everything from Recycle Bin
  • Click right button on C: drive. Open Properties > General tab > Disk Cleanup. Put tick mark on all items and press Ok > Delete files
  • Open 'Disk Defragment and Optimize". Open by typing it in Run. Now select C: drive, then click on 'Optimize'.

Update Your Computer Drivers

How do I update graphics drivers?

It is very important to have up-to-date drivers for your graphics card. We suggest always keeping your graphics drivers up-to-date to eliminate compatibility issues such as crashing, freezing, lagging, and slow performance. This article tells you everything you need to know to get up and to run.


How to identify your graphics card?

Before you can update your drivers, you need to know what graphics card your computer uses. You can use the Microsoft DirectX Diagnostic Tool to determine the vendor and model of your graphic card; follow these steps:

  • In Windows, select Start and enter dxdiag into the search box on the taskbar. Select dxdiag from the results and open that tool. 
  • On the Display tab, you can see the model name of your card.


Download and install the latest driver

Once you know the model name of the graphics card you have, visit the manufacturer's website to download the latest driver. Here are links for downloading drivers from the most common graphics card manufacturers.

1. Generic Driver:

- Intel:

- Nvidia:

- AMD:

2. Modified/Customized Driver:

Some PC manufacturer uses modified graphic cards, not generic ones; you may have to download the driver from those manufacturers'own sites:


3. Intel OpenCL Runtime:

If that is even not possible for you to install the modified driver from the manufacturer, the last thing you can try is Intel OpenCL Runtime:

Mac Users

It is much easier for Mac users to get the latest driver: just keep your macOS updated. If there is a graphics driver update, it will be included in the macOS update.

How to create a subdomain using cPanel?

Subdomains are sometimes useful for special purposes. For example, blog.yourdomain.tld, separate from your main site.

Cpanel makes this process simple and we will help you around this, please follow the steps to create subdomains:

CSS Height and Width Solution including max width and aspect ratio

The CSS height and width properties are used to set the height and width of an element. The CSS max-width property is used to set the maximum width of an element. The height and width properties do not include padding, borders, or margins. It sets the height/width of the area inside the padding, border, and margin of the element.