Just as for function annotations, the Python interpreter does not attach any particular meaning to variable annotations and only stores them in the __annotations__ attribute of a class or module. In contrast to variable declarations in statically typed languages, the goal of annotation syntax is ...
New method: The deque data type now has a count() method that returns the number of contained elements equal to the supplied argument x, and a reverse() method that reverses the elements of the deque in-place. deque also exposes its maximum length as the read-only maxlen attribute. (Bot...
What is in front of a string in C - It marks the string as a verbatim string literal.In C#, a verbatim string is created using a special symbol @. @ is known as a verbatim identifier. If a string contains @ as a prefix followed by double quotes, then co
Thread 1 is traversing the Deque, and Thread 2 adds/inserts an element at the front of deque. Due to this, the output of Thread 1 will be inconsistent. Thus, java throws an exception and notifies that concurrent modifications are happening in the code. So, is this it? How can we make...
When and why do we need to use Test Fixture? What is the approach for using it in our code for the JUnit test? A couple of examples to understand the term ‘Test Fixture’ parallelly cascaded with a head start on JUnit 4 lifecycle annotations like @Before, @After, @BeforeClass, @After...
Python actually provides a cmp_to_key function in the functools module which does just this. The return type of this cmp_to_key function is an interesting one. Even though we know that the return class will be an instance of the locally-defined Key class, we haven’t indicated this in ...