Nov 25, 2013 · What is the difference between .size() and .length ? Is .size() only for arraylists and .length only for arrays?

Aug 8, 2008 · 38 This method gets all your object's property names in an array, so you can get the length of that array which is equal to your object's keys' length.

Dec 27, 2009 · Why do we have the length of an array as an attribute, array.length, and for String we have a method, str.length()? Is there some reason?

I know how to use the JavaScript for loops to cycle through arrays for example, but I still didn't understand what the array.length -1 means, specifically the -1 part. When using a for loop over …

Closed last year. length() returns the number of characters in the string and size() returns a size_t which is also the same but used to make it consistent with other STL containers. For …

To get the number of columns, we need to access the first array and consider its length. In this case, we access [1, 1, 1, 1] and thus, the number of columns = 4.

Dec 22, 2023 · 169 We are using UUID as primary key for out oracle DB, and trying to determine an appropriate max character length for the VARCHAR. Apparently this is 36 characters but …

Jan 21, 2019 · I have a table with specific columns and rows. I would like to select columns which has data more than length 7. For ex: Table has columns Name Address PhoneNumber AAA …

Nov 11, 2009 · You are obviously asking for the number of elements in the list. If a searcher comes here looking for the size of the object in memory, this is the actual question & answers …

Loops and array utility methods can use array.length to mean "up to the last element". The only place I can think of for using array.length - 1 is when accessing the last element, eg to find …