Month August 2022

[Solved] Finding Length of an Array [duplicate]

When arrays are passed into functions, they undergo array-to-pointer conversion. This means an array of type T[N] will simply decay into T*. Notice how the size information has been lost. All that remains is a pointer to the first element…

[Solved] Printing list shows single quote mark

Here’s one utility function that worked for me: def printList(L): # print list of objects using string representation if (len(L) == 0): print “[]” return s = “[” for i in range (len(L)-1): s += str(L[i]) + “, ” s…

[Solved] Posting a comment on friend’s Facebook wall with an iOS SDK [closed]

NSString *urlString = [NSString stringWithFormat:@”https://graph.facebook.com/YOUR_FRIEND_FB_ID/photos?access_token=%@“, self.accessToken]; UIImage * pic = [UIImage imageNamed:@”green-background.png”]; NSData *picData = UIImageJPEGRepresentation(pic, 1); NSURL *url = [NSURL URLWithString:urlString]; ASIFormDataRequest *newRequest = [ASIFormDataRequest requestWithURL:url]; [newRequest setPostValue:@”This is Sample Text” forKey:@”message”]; [newRequest setData:picData forKey:@”data”]; [newRequest setPostValue:self.accessToken forKey:@”access_token”]; [newRequest…

[Solved] Heap Sort array

PriorityQueue<Integer> pQueue = new PriorityQueue<Integer>(); This line creates a priority queue of Integers. A priority queue stores a “sorted” list of items (in your case Integers). When you add an int to pQueue ,it is places the value in the…

[Solved] C++ Class implementation [closed]

Although this is not a Matrix class but rather a simple Vector2 class that accepts floats this class demonstrates how you can overload the operators. class Vector2 { public: union { float _f2[2]; struct { float _x; float _y; };…

[Solved] How do I convert arrays into functions in PHP? [closed]

function states() { return array( “ct”=>”Connecticut”, “ma”=>”Massachusetts”, “nj”=>”New Jersey”, “ny”=>”New York”, “ri”=>”Rhode Island” ); } function destinations() { return array( “easterncaribbean”=>”Eastern Caribbean”, “southerncaribbean”=>”Southern Caribbean”, “westerncaribbean”=>”Western Caribbean”, “bermuda”=>”Bermuda”, “bahamas”=>”Bahamas” ); } $states = states(); $destinations = destinations(); Is this what you…

[Solved] Can not flip sign

You can’t do it in a completely portable way. Rather than dealing with int64_t, let us consider int8_t. The principle is almost exactly the same, but the numbers are much easier to deal with. I8_MAX will be 127, and I8_MIN…