How to make ZIP and RAR using UBUNTU Terminal

Some times you need to create zip a file and unzipping the file, also some time you need to UNRAR a file in Ubuntu using Terminal, So here is the simplest way to do so. You can zip a file using ubuntu terminal just use these simple command lines. UnRAR a File in ubuntu First […]

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how to detect back button click in browser

if you want to  detect if a user has clicked back button or not. For this you can simply use this code  window.onbeforeunload = function (e) {} It works if a user clicks back button. But this event is also fired if a user click F5 or reload button of browser. How do I fix […]

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HOW TO MAKE SYMBOLS WITH KEYBOARD

Alt + 0153….. ™… trademark symbol Alt + 0169…. ©…. copyright symbol Alt + 0174….. ®….registered ­ trademark symbol Alt + 0176 …°……degre e symbol Alt + 0177 …±….plus-or -minus sign Alt + 0182 …¶…..paragr aph mark Alt + 0190 …¾….fractio n, three- fourths Alt + 0215 ….×…..multi plication sign Alt + 0162…¢….the cent sign […]

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What “Void” type means in C/C++ ?

(a) When “Void” type is used in function definition it means that function will not return any value. (b) When “Void” is used with pointer type variable declaration eg: void* x or void* num etc. It means any empty type i.e later in the the program you can point any data type(int or float type […]

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