email - What is the behavior difference between return-path, reply-to ...
For email, the return address is the Return-Path. Inside of the envelope might be a letter and inside of the letter it may direct the recipient to "Send correspondence to example address ".
What are SP (stack) and LR in ARM? - Stack Overflow
mov pc,lr <---- return to whomever called myfun. So hopefully you can see both the stack usage and link register. Other processors do the same kinds of things in a different way. for example some will put …
Explain the concept of a stack frame in a nutshell
Apr 7, 2012 · In the case of a call stack, a stack frame would represent a function call and its argument data. If I remember correctly, the function return address is pushed onto the stack first, then the …
BL instruction ARM - How does it work - Stack Overflow
Dec 4, 2015 · BL instruction performs two things: it stores the return address of the next instruction (the instruction after BL) in the link register lr, and it branches to the target address.
c - How does a NOP sled work? - Stack Overflow
Apr 6, 2018 · 79 I can't find a good source that answers this question. I know that a nop sled is a technique used to circumvent stack randomization in a buffer overflow attack, but I can't get my head …
What happens in an interrupt service routine? - Stack Overflow
Aug 3, 2010 · Can someone please explain to me what happens inside an interrupt service routine (although it depends upon specific routine, a general explanation is enough)? This always used be a …
Using ping in c# - Stack Overflow
Aug 4, 2012 · The following is a simple example using WinForms to demonstrate how ping works in c#. By providing a valid IP address in textBox1 and clicking button1, we are creating an instance of the …
Python Socket Programming: recv and recvfrom - Stack Overflow
Highly confusing. Dealing with DNS UDP (DATAGRAM) I have been using recvfrom (1024) and received between 1024 and 4096 in size. So it seems in that use case the parameter is only a hint? In the …
What exactly is meant by "dereferencing a NULL pointer"?
Among the invalid values for dereferencing a pointer by the unary * operator are a null pointer, an address inappropriately aligned for the type of object pointed to, and the address of an object after …
How do you pass a function as a parameter in C? - Stack Overflow
Aug 13, 2008 · I want to create a function that performs a function passed by parameter on a set of data. How do you pass a function as a parameter in C?