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How to find pen drive hidden folder

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Sometimes due to virus attack, our pen drive data is hidden. We think, all folders are deleted. So, check first before you format your Usb otherwise you wil...

How to release port 80

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Few days ago, I fall in a problem. I could not start apache server by XAMP control panel. There was a message shown port 80 busy. However ultimately, I found...

Global variable of

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Global variables are those variables that can be accessed anywhere in the application. Global variable should always be used with caution. It stores data. Th...