what are the merits and demerits of using friend function in c++?
438220
["It acts as the bridge between two classes by operating on their private data's.", 'It is able to access members without need of inheriting the class.', 'It can be used to increase the versatility of overloading operator.', "It provides functions that need data which isn't normally used by the class."]
556465
The scary part is that, if you have the feature enabled, anyone on the social media platform can follow you unless you've blocked them. People who send friend requests to you will automatically start following you too, even if you ignore or delete their initial invite to be friends. Yikes!
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The four ways to pass a pointer to a function in C++
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['Data Serialization. Here, an in-memory object is converted into another format that can be stored in a file or sent over a network. ... ', 'Caching. This is an efficient technique that is used when the data is required more often. ... ', 'Data Structure Tuning. ... ', 'Garbage collection optimization. ... ', 'Memory Management.']
726259
It's simply a follow that piggybacks on the friend request. ... This makes it so that you don't see their posts in your feed, but you still remain friends and can still interact with them within the privacy settings they have set for their friends.
1060985
Friends prevent loneliness and give you a chance to offer needed companionship, too. Friends can also: Increase your sense of belonging and purpose. Boost your happiness and reduce your stress.
1391200
The fprintf function is used for printing information to the screen. The fprintf function prints an array of characters to the screen: fprintf('Happy Birthday\n'); We often use the fprintf statement to show the user information stored in our variables.
159956
Custom: When you choose Custom, you can selectively share something with specific people, or hide it from specific people. You can also share with specific friend lists if you've set them up.
455232
It's nice to be thought of, even spontaneously! It's only rude if you don't want to accept and they press it. It's always rude to push. Better to have a friend who invites you at the last minute than to have no friend at all.
1128144
OOP provides an easy way to add new data and function. In POP, Most function uses Global data for sharing that can be accessed freely from function to function in the system. In OOP, data cannot move easily from function to function, it can be kept public or private so we can control the access of data.
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The functions supported by queue are : queue::emplace() in C++ STL: Insert a new element into the queue container, the new element is added to the end of the queue. queue::front() and queue::back() in C++ STL– front() function returns a reference to the first element of the queue.
1101890
It is not a bad practice, it just means that you did not think your code through. The condition is required to tell the loop when to finish looping. If you have a terminating point, then why not put it as a condition?
1122655
Friend suggestion just means an algorithm has identified people you may know but aren't friends with through mutual friends. A friend request is an actual person asking to connect with you online as a friend.
1116591
It's as simple as pointing your camera at someone else's Ghostcode on another screen and they're magically added to your friends list. It works great for sharing your account to other social media sites so people can find you without searching for your username.
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It is obvious that so-called “functional” programming is flawed, it makes redundant things like refactoring and unit testing unnecessarily easy. This, in turn, will act as a distraction to the development team — they might accidentally waste time on those useless activities, instead of delivering new features.
425597
If they are already your friends there is no need. You cannot add the same person twice. If these are just people that show up as nearby that you are not connect to then are not your friend (contact) yet and must send you a greeting that you must accept. No one can just add you.
1088278
void qsort ( void * base, size_t num, size_t size, int ( * comparator ) ( const void *, const void * ) ); The function qsort() sorts the num element of the array pointed by base. Every element has a size of size bytes long. The qsort function will use the comparator function to determine the order of the elements.