Call By Value & Call By Reference in C

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This dude got me to understand this in 8 minutes, while my CS Teacher didn't manage to teach me this in weeks.

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Seriously. 👍

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Why University teacher are so bad at teaching?😑

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1hr clg lecture covered in just 8.33 minutes with great explanation 🔥

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Same bro

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8min 33sec is actually 8.55 minutes.

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[@SandipBhattacharya]

Thank you for uploading this video. Let me briefly add by saying, there are two most popular ways to call functions for parameter passing. Call by Value: This method copies the value of an actual parameter or argument into the formal parameter of the function. Both actual and formal parameters are stored in different memory locations (in RAM). So, any changes made to the formal parameters in the called function are not reflected in the actual parameters in the calling function. By default, C programming uses call by value to pass parameters. Call by Reference: On the other hand, in the call by reference method, the address of an actual parameter is copied into the formal parameter. Both actual and formal parameters refer to the same memory location. So, any changes made to the formal parameters in the called function are actually reflected in the actual parameters of the caller function. In C, we can use pointers to get the effect of pass by reference or call by reference whatever you call it. Hope it helps!

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this is what i was trying to understand for one and a half year, as my professor greatly failed of making it understandable. i never realized it was such an easy subject and was always avoiding to really grasp it. i may as well say this video has changed my life because it actually made me realize that i can understand things from proper resources and there's no need to run from those sort of things. that i am making it such a big deal when i can understand it within minutes. nothing's that hard as it first seems to be. Thank you much for this video.

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Accurate and concise explanation. No lecturer has ever done this before. Good job

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much better than paid lectures of hours.........

[@jagannathanav5108]

In short, when you pass a variables (say x,y) to a function , the function creates memory locations (local x and local y) which store the same value , but are not same as x and y. Therefore this does'nt affect the values of x and y, this is called as pass by value. When you pass the memory location of x and y itself, the function will change the memory location's value ,thereby affecting the variables. this is called pass by reference

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The best and the most clear explanation ever !!!

[@Bobbel888]

3:31 The confusion started, when Kernigan & Ritchie declared addresses to be "values" (probably for washing their hands of preceding programming languages). Think in the context of C++, where references are formally defined and are the same as dereferenced pointers, one might finally find the semantics of "call by reference" in C. This is well done here ! 🌟🌟🌟🌟🌟🌟🌟🌟🌟🌟

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Thank you, man. Your presentation are so understandable. I learn more from your short videos in English than from long lectures in my own language.

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This is one of the most searched topic in C programming after Pointers.

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Best explanation on internet...

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1-2 hour class in just 8minutes. Thanks for this time saving and simple explanation

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So calm voice!

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This video is basically teaching people C programming in 8 minutes and 33 seconds. Thanks!

[@x_tar3141]

Guys it took me so much time understanding the pass by value I spend almost 4 hours even after watching this video you can just run this code to understand it: Pass value it simple it means that int num is sending just a copy of itself toward the funtions "value" and the x = 20; is just changing the copy of that and it changes it from num = 10 to num = 20 but it will only happend inside the function body it has no effect inside the main the value of num remains 10 only the copy is changed. void Value(int x) { // 'x' is a copy of the argument passed cout

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