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Why are there two kinds of functions in Elixir?
... functions in this hello/1 syntax.
This is also why Elixir uses a dot for calling anonymous functions. Since you can't simply pass hello around as a function, instead you need to explicitly capture it, there is a natural distinction between named and anonymous functions and a distinct syntax for ca...
Executing periodic actions in Python [duplicate]
...
At the end of foo(), create a Timer which calls foo() itself after 10 seconds.
Because, Timer create a new thread to call foo().
You can do other stuff without being blocked.
import time, threading
def foo():
print(time.ctime())
threading.Timer(10, foo).sta...
Why does calling a method in my derived class call the base class method?
...howInfo()
{
Console.WriteLine("I am a student!");
}
}
If called, the behavior of ShowInfo varies, based on the implementation:
Person person = new Teacher();
person.ShowInfo(); // Shows 'I am a teacher!'
person = new Student();
person.ShowInfo(); // Shows 'I am a student!'
...
Is recursion ever faster than looping?
...ich transforms certain types of recursion (actually, certain types of tail calls) into jumps instead of function calls.
In functional programming language implementations, sometimes, iteration can be very expensive and recursion can be very cheap. In many, recursion is transformed into a simple ju...
stash@{1} is ambiguous?
...
Simply put stash id between simple quotes:
git stash apply 'stash@{1}'
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How to force garbage collector to run?
...oing it more than necessary is inadvisable. The code for when it should be called is well written. You should normally only self collect in specialized edge cases. stackoverflow.com/a/21961777/2710988
– Brandon Barkley
Mar 7 '19 at 19:13
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Android AsyncTask threads limits?
...y a shared (static) ThreadPoolExecutor and a LinkedBlockingQueue. When you call execute on an AsyncTask, the ThreadPoolExecutor will execute it when it is ready some time in the future.
The 'when am I ready?' behavior of a ThreadPoolExecutor is controlled by two parameters, the core pool size and t...
What is the best way to call a script from another script?
...es, methods, etc. I have another script which runs as a service. I want to call test1.py from the script running as a service.
...
How are Python's Built In Dictionaries Implemented?
...bing just means it searches the slots by slot to find an empty slot. Technically we could just go one by one, i+1, i+2, ... and use the first available one (that's linear probing). But for reasons explained beautifully in the comments (see dictobject.c:33-126), CPython uses random probing. In random...
How does the main() method work in C?
...nd nothing bad happens with their given compiler.
This is the case if the calling conventions are such that:
The calling function cleans up the arguments.
The leftmost arguments are closer to the top of the stack, or to the base of the stack frame, so that spurious arguments do not invalidate the...