1) Comma (,) as separator While declaration multiple variables and providing multiple arguments in a function, comma works as a separator. Example: int a,b,c; In this statement,comma is a separator and tells to the compiler that these (a, b, and c) are three different variables. 2) C...
The function might actually be an operator such as an arithmetic operator. rows (JSON name: rows) The rows column indicates the number of rows MySQL believes it must examine to execute the query. For InnoDB tables, this number is an estimate, and may not always be exact. filtered (...
For example, select_type is DELETE for DELETE statements. table (JSON name: table_name) The name of the table to which the row of output refers. This can also be one of the following values: <unionM,N>: The row refers to the union of the rows with id values of M and N. ...
So that Operator is that which have a Special Meaning and also have a Sign For Example we know that + is used for Adding two Numbers. Depending on the number of operands and function performed, the C++ operators can be classified into various categories. These...
A BOOL, (short for Boolean) is a true or false value. Explain understands two BOOL constants, TRUE and FALSE. Note that these values must be capitalized and may not be quoted ("TRUE" will be interpreted as a string). Don't confuse the BOOL data type with Boolean operators: and, or,...
Originally the idea for type classes came up to provide overloading of arithmetic operators in order to use the same operators across all numeric types.But the type classes concept proved to be useful in a variety of other cases as well. This has lead to a rich sets of type classes ...
you can start hitting time limits. Poor methods could take a lifetime to solve certain problems. For instance, when they were first starting to scan human genomes the processing time was thousands of years. However, with process speed improvements they ...
A Stack has two main operations: Push: Pushes an element into the stack Pop: Returns the last element that was put into the stack The Stack's functionality is described as "First in - last out", the first element that enters t...
• Object-oriented programming allows re-usability of code. That is, the objects created in one program can be re-used in other programs. In addition, new classes can be created with the help of existing ones using inheritance. It leads to faster software development and high-quality program...
ii. Operators aka weirdly written functions // Operators have both a precedence (order of importance, like * before +) // and an associativity (order of evaluation, like left-to-right) // A table of operators can be found here // https://developer.mozilla.org/en-US/docs/Web/JavaScript...