is Python multithreading inefficient?

Send ICMP packets with scapy. 200 threads are opened, each thread sends a package and ends. Testing the speed of only 300 packets of/sec, is Python's multithreading efficiency is not high problem? --------------------------------------- Later found

Why is Python not implemented in C + +?

Python source code, C is completely object, the package, polymorphism and other features have been implemented in C, then why not directly on C + +? This can also make the code more readable Reply content:See: Why are Python written in C and not in

What is the reason Python appears valueerror:need more than 1 value to unpack?

from SYS Import argv Script , First , Second , Third = argv Print ' The script is called: ' , Script Reply content:Dude, the information you're referring to is online: stupid way to learn Python It? The example that is given to you in the run is

How do I make Python output without wrapping?

The tutorial says you can use a comma. Why did I use a comma or not? I'm using a python3.2. Parentheses are appended to the print. Print (' I '), Print (' Love '), Print (' You. ') Input () Reply content:Python 2.x, print no line break >>> print

Python does not differentiate between variable definitions and assignments, is it a design flaw?

Like what: def foo (): a = ten def foo2 (): a = 20 Reply content:This is not what Wang Yin said, Wang Yin Major is the study of programming languages. The study of the language of the doctoral students for a variety of language

Why are China's Ruby and Python activities mostly in Shanghai rather than Beijing?

I just saw two Ruby and a Python technology development conference, all in Shanghai. Beijing's technical staff, entrepreneurs not more? / http jihua.fm/wishes/107151 / http jihua.fm/wishes/105976 / http jihua.fm/wishes/107410 Reply

Why is the first programming language of foreign science usually python or Java, and the majority of our country is C?

Dacity has two-door programming introductory Lesson: Intro to Programming in Java Introduction to Programming and introduction to Computer science, which uses Python. Intro to Computer science Class Online (CS101) I've never seen a foreign

Can Python interpreter be implemented with the Help

Reply content:Python interpreter implemented in Python, the most famous and complete when PyPy . But if you want to use Python to implement a simple interpreter with the same idea as CPython, refer to this very good: A python interpreter written

When will the Python decorator be used?

Reply content:Here's a list of the official Python instances of the decorator, where you can see the various magical decorations: pythondecoratorlibrary , basically you can almost think of all have. There are almost a few categories: 1. Injection

As a procedural ape, in addition to the king of the same thinking and the technology of craftsmanship, what are the additional sub-items?

Thank you, ╮(╯▽╰)╭. Mobile party, no typesetting. First explain: The idea of a king is that you can have a mature system of theories before you write code (your own style or the system that others have summed up) The technique of craftsmanship

"Life is too short, I use python" this sentence originally who said? "

"Life is too short, I use Python" This sentence, I first saw is in the woodpecker community, ask who originally said? Reply content: Bruce Eckel's exact words are "life are short, you need Python", but I use Python this is Daniel Guido van Rossum

Is there a design flaw in the Python language?

See Python write the source code, many do not know what the type is, and do not know what method to call, the return value of common methods do not know what type, Chinese processing is quite bad, garbled is very serious, why still others recommend?

A Django-written blog tool?

I would like to ask what the Django-written blog tools, code readability is relatively strong, the function is relatively strong. Reply content:After studying Python, I wanted to learn Django, and I recently organized a Django New Learning Groupand

"batteries-included" How to translate better?

Excerpt from "Twisted Network programming Essentials, 2nd Edition", as follows: Twisted supports many common transport and application layer protocols, including TCP, UDP, SSL/TLS, HTTP, IMAP, SSH, IRC, and FTP. Like the language in which

What is "context (context) in programming?

Recently read Flask's documentation, read a lot about context (contextual) terminology, such as application context, request context, etc., access to data but not understood? Is there a better explanation? Reply content: Each program has many

What kinds of jokes do programmers in the programming community can understand?

It's humor who can understand Reply content:Programmers look at the object-oriented book, really can learn how to get rich? A: There is a lot of space to say how to inherit the hands-on practice for pride, to see only do not practice for shame. Be

Why learn python?

on the internet also searched a little thing, but the answer is not satisfied. Actually, I just want to know where the Python scenario is. Where's the advantage? Reply content:Will write Python, you will be able to work their five people, only 10

What can Python do instead of recursive algorithms?

Reply content:All recursive calls can be made to the CPS transform into the tail recursive form, and then the tail recursion can be changed to write the loop: def fact(N): if N == 0: return 1 Else: return N * fact(N - 1)ID =

How do I write a Python program to crawl the Sina military forum?

Reply content: context_re = R ' (. *?) ' This regular expression you're prepared for, truncated!. It's broken. Here, so only the first paragraph can be climbed. There are three things you need to do to crawl the Sina Military Forum:

After learning Python, is it easier to learn Java?

Reply content:Learning Java is easy to get, as long as you have C or C + + or Python or C # experience, learn Java is just familiar with the syntax. Especially from C or C + + people will obviously feel the burden of memory management is much

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