Q1. What is RAII and why is it central to modern C++?
RAII, Resource Acquisition Is Initialisation, binds a resource's lifetime to an object's lifetime: acquire in the constructor and release in the destructor. Because destr...
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Q2. How does PHP handle errors and exceptions?
Modern PHP uses exceptions. Throwable is the root interface with two branches: Error (engine-level, e.g. TypeError, DivisionByZeroError) and Exception (application-level)...
Q3. Print contents of a file ensuring proper error handling?
try: withopen('filename','r')asf: printf.read() exceptIOError: print"Nosuchfileexists" 75 How do we share global variables across modules in Python? We can create a confi...
Q4. What is the output of slicing an index beyond list length in Python, and does it raise an error?
list = ['a', 'b', 'c', 'd', 'e'] print (list[10:]) The result of the above lines of code is []. There won't be any error like an IndexError. You should know that trying t...
Q5. What Are Errors And Exceptions In Python Programs?
Errors are coding issues in a program which may cause it to exit abnormally. On the contrary, exceptions happen due to the occurrence of an external event which interrupt...
Q6. How Do You Handle Exceptions With Try/Except/Finally In Python?
Python lay down Try, Except, Finally constructs to handle errors as well as Exceptions. We enclose the unsafe code indented under the try block. And we can keep our fall-...
Q7. How Do You Raise Exceptions For A Predefined Condition In Python?
We can raise an exception based on some condition. For example, if we want the user to enter only odd numbers, else will raise an exception. # Example - Raise an exceptio...