language agnostic - What is a lambda (function)? - Stack Overflow
Aug 19, 2008 · I don't think it's necessarily accurate to say lambda functions are the same as anonymous functions. For some languages like JavaScript a lambda expression is a specific form of …
java - What exactly does a jar file contain? - Stack Overflow
However, I got curious to what each class contained and when I try to open one of the classes in the jar file, it tells me that I need a source file. A jar file is basically a zip file containing .class files and …
multithreading - What is a "thread" (really)? - Stack Overflow
Jul 8, 2025 · I have been trying to find a good definition, and get an understanding, of what a thread really is. It seems that I must be missing something obvious, but every time I read about what a …
What is the difference between a schema and a table and a database ...
A relation schema is the logical definition of a table - it defines what the name of the table is, and what the name and type of each column is. It's like a plan or a blueprint. A database schema is the …
security - What is a keytab exactly? - Stack Overflow
May 9, 2017 · To answer your two questions: every user and service does not need a keytab file keytabs use symmetric key cryptography. I'm going to explain a bit more based on my understanding …
c - What is bit masking? - Stack Overflow
May 8, 2012 · I am fairly new to C programming, and I encountered bit masking. What is the general concept and function of bit masking? Examples are much appreciated.
What is the difference between a thread/process/task?
Jun 15, 2010 · Process and threads are related but otherwise orthogonal concepts. A thread is what the CPU actually runs; it's about scheduling access to shared resources (e.g. the CPU). A process is the …
What is a relation in database terminology? - Stack Overflow
Oct 28, 2010 · Other answers give strict definitions of what can be called a "relation". In common usage, however, when someone refers to a "relation" in a database course they are referring to a tabular set …
What is a non-capturing group in regular expressions?
Aug 18, 2010 · How are non-capturing groups, i.e., (?:), used in regular expressions and what are they good for?
python - What is a mixin and why is it useful? - Stack Overflow
In Programming Python, Mark Lutz mentions the term mixin. I am from a C/C++/C# background and I have not heard the term before. What is a mixin? Reading between the lines of this example (which I …