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What does if __name__ == “__main__”: do?
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Whenever the Python interpreter reads a source file, it does two things:
it sets a few special variables like __name__, and then
it executes all of the code found in the file.
Let's see how this works and how it relates to your question about the __name...
How to get exit code when using Python subprocess communicate method?
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(*) This happens because of the way it's implemented: after setting up threads to read the child's streams, it just calls wait.
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What is sharding and why is it important?
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@andreister From what I'm reading, sharding is conceptually different in that it's defined by horizontal scaling across multiple logical or physical nodes (in the case of my understanding (mySQL) multiple databases, most likely housed on different log...
Minimal web server using netcat
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echo "\n"
echo "Addresses:"
echo "$(ifconfig)"
echo "\n"
echo "$(gpio readall)"
and my web browser is showing
************PRINT SOME TEXT***************
Hello World!!!
Resources:
procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----
r b swpd free buff cach...
Is main() really start of a C++ program?
The section $3.6.1/1 from the C++ Standard reads,
11 Answers
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Where are static variables stored in C and C++?
... RAM at startup, and initialized constants are left in, and intended to be read from, Flash only, along with the text, which contains the program itself, and is left in Flash only.
– Gabriel Staples
Nov 5 '18 at 21:46
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Can I store the .git folder outside the files I want tracked?
...p; echo \"gitdir: $1\" >> .git; }; f"
Use git version control on a read-only working directory
With the knowledge above, you can even set up git version control for an working directory without having write permissions. If you either use --git-dir on every git command or execute every comma...
Compile time string hashing
I have read in few different places that using C++11's new string literals it might be possible to compute a string's hash at compile time. However, no one seems to be ready to come out and say that it will be possible or how it would be done.
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What's “P=NP?”, and why is it such a famous question? [closed]
...h has discrete cells into which a finite set of symbols can be written and read. At any given time, the TM is in one of its states, and it is looking at a particular cell on the tape. Depending on what it reads from that cell, it can write a new symbol into that cell, move the tape one cell forwar...
Table Naming Dilemma: Singular vs. Plural Names [closed]
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I had same question, and after reading all answers here I definitely stay with SINGULAR, reasons:
Reason 1 (Concept). You can think of bag containing apples like "AppleBag", it doesn't matter if contains 0, 1 or a million apples, it is always the same bag....