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Project Euler 16: (Iron)Python

- by Ben Griswold

In my attempt to learn (Iron)Python out in the open, here’s my solution for Project Euler Problem 16. As always, any feedback is welcome. # Euler 16 # http://projecteuler.net/index.php?section=problems&id=16 # 2^15 = 32768 and the sum of its digits is # 3 + 2 + 7 + 6 + 8 = 26. # What is the sum of the digits of the number…

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Project Euler 4: (Iron)Python

- by Ben Griswold

In my attempt to learn (Iron)Python out in the open, here’s my solution for Project Euler Problem 4. As always, any feedback is welcome. # Euler 4 # http://projecteuler.net/index.php?section=problems&id=4 # Find the largest palindrome made from the product of # two 3-digit numbers. A palindromic number reads the # same…

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Project Euler 13: (Iron)Python

- by Ben Griswold

In my attempt to learn (Iron)Python out in the open, here’s my solution for Project Euler Problem 13. As always, any feedback is welcome. # Euler 13 # http://projecteuler.net/index.php?section=problems&id=13 # Work out the first ten digits of the sum of the # following one-hundred 50-digit numbers. import time start =…

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Project Euler 7: (Iron)Python

- by Ben Griswold

In my attempt to learn (Iron)Python out in the open, here’s my solution for Project Euler Problem 7. As always, any feedback is welcome. # Euler 7 # http://projecteuler.net/index.php?section=problems&id=7 # By listing the first six prime numbers: 2, 3, 5, 7, # 11, and 13, we can see that the 6th prime is 13. What # is…

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Finding the html tag value with Python [on hold]

- by MrWho

Consider a html page, which contains a line like below: file: 'http://google.com/video.mp4' I want to search for google.com/video.mp4 in that file and save it in a variable.I want to code it with python. Shortly, I want to elicit a link from a html page, so I need to get the link by using regular expressions or the other techniques in…

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updater stuck on downloading python files

- by Tim

However i am a java programmer is consider myself as a linux noob. So i could use a little help here... I am trying to update my ubuntu from version 10.04 to 12.04.1 (LTS). The downloading start and runs at around 10MB/s untill i am somewhere near 26% and the speed just drops to 0. I figured i could use the command "do-release-update"…

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Project Euler 6: (Iron)Python

- by Ben Griswold

In my attempt to learn (Iron)Python out in the open, here’s my solution for Project Euler Problem 6. As always, any feedback is welcome. # Euler 6 # http://projecteuler.net/index.php?section=problems&id=6 # Find the difference between the sum of the squares of # the first one hundred natural numbers and the square #…

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Project Euler 20: (Iron)Python

- by Ben Griswold

In my attempt to learn (Iron)Python out in the open, here’s my solution for Project Euler Problem 20. As always, any feedback is welcome. # Euler 20 # http://projecteuler.net/index.php?section=problems&id=20 # n! means n x (n - 1) x ... x 3 x 2 x 1 # Find the sum of digits in 100! import time start = time.time() …

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Project Euler 1: (Iron)Python

- by Ben Griswold

In my attempt to learn (Iron)Python out in the open, here’s my solution for Project Euler Problem 1. As always, any feedback is welcome. # Euler 1 # http://projecteuler.net/index.php?section=problems&id=1 # If we list all the natural numbers below 10 that are # multiples of 3 or 5, we get 3, 5, 6 and 9. The…

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How can I share my python scripts with my less python-savvy business person partner?

- by Alex

I'm taking financial mathematics as an elective, and I'm working with real life finance industry worker type people. It's actually kind of fun. When I pulled out a macbook at one of our meetings, I had four lifelong windows users look at me like I had three heads. Anyway, I'm helping with design and simulation of our trading…

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Project Euler 3: (Iron)Python

- by Ben Griswold

In my attempt to learn (Iron)Python out in the open, here’s my solution for Project Euler Problem 3. As always, any feedback is welcome. # Euler 3 # http://projecteuler.net/index.php?section=problems&id=3 # The prime factors of 13195 are 5, 7, 13 and 29. # What is the largest prime factor of the number #…

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How to create an auto-grader in and for Python

- by recluze

I'm trying to create an auto-grader for one of my beginning programming courses for python. From my online search, I've come to know that it is effectively a unit test framework that tests the student's code rather than production code but I'm not really sure how to structure the flow of the program. Can anyone please…

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Connect to MySQL on remote server from inside python script (DB API)

- by Atul Kakrana

Very recently I have started to write python scripts that need to connect few databases on mySQL server. The problem is that when I work from office my script works fine but running a script from my home while on office VPN generates connection error. I also noticed the mySQL client Squirrel also cannot connect from…

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How to reduce errors in dynamic language such as python, and improve my code quality

- by Martin Luo

I post the origin question in stackoverflow, some people suggest me to post here I've always have trouble with dynamic language like Python. Several problems: Typo error, I can use pylint to reduce some of these errors. But there's still some errors that pylint can not figure out. Object type error, I often forgot…

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Python Multiprocessing with Queue vs ZeroMQ IPC

- by Imraan

I am busy writing a Python application using ZeroMQ and implementing a variation of the Majordomo pattern as described in the ZGuide. I have a broker as an intermediary between a set of workers and clients. I want to do some extensive logging for every request that comes in, but I do not want the broker to waste time…

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Quickly and Python Twisted

- by Aaron

I am creating a Quickly application that makes use of Python Twisted. When the user launches a window, I want to start the Twisted server I wrote. However, when I do this, it freezes the GUI, because the reactor.run method is constantly running after it is started. I need a way to start the Twisted reactor in its own…

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Python lower_case_with_underscores style convention: underscores not popular?

- by squirrel

PEP8 recommends using lowercase, with words separated by underscores as necessary to improve readability for variable and function names. I've seen this interpreted as lower_case_with_underscores by most people, although in practice and in Python's native methods it seems like lowercasewithoutunderscores…

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Checking whether the user input is a str in Python [migrated]

- by Sahil Babbar

I checked various questions on Stack Overflow but one thing every logic lacks. Let me demonstrate using Python: while True: user_input = raw_input() if type(user_input) == str: print 'ERROR' else: print 'BINGO' Also, we cannot use input() in place of raw_input() as it gives the…

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What to choose for beginner: PHP/Python/Ruby

- by Nai

I'm a beginner teaching myself to code but I would like he insight of the PSE community and helping choose where to start. My main objective is to be able to create a basic website to first test my business idea and from there iterate on it quickly to minimise my learning time. The most important criteria…

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Next steps for Asp.Net C# developer (RoR vs Python Django vs PhP Drupal)

- by ProfessorB

A majority of my web development experience has been on the .Net stack (mainly Asp.net C#). I am looking to learn something new in my spare time, for the use of personal projects and possibly for use professionally (as an ISV). I know some Python, done some scripting with it in the past, nothing on the web…

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Python GUI and MVC - get variable from other module

- by lyvic

I am trying to split my code in different layers: GUI, reading the GUI, creating input, calculating the model, interpreting data, creating view, sending the view to the GUI. I got the idea of the MVC and would like to try to build my program that way. But I'm a little confused about how to exchange…

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Python simulation-scripts architecture

- by Beastcraft

Situation: I've some scripts that simulate user-activity on desktop. Therefore I've defined a few cases (workflows) and implemented them in Python. I've also written some classes for interacting with the users' software (e.g. web browser etc.). Problem: I'm a total beginner in software design /…

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Check validity Partition in python

- by fadhil

I have a question, I really don't understand about partition of set. There are 3 definition that we have to know, and I don't know how to implement the definition into python language. In my case, I have a set of RegionsCode which is set(['Sub-Saharan Africa', 'East Asia & Pacific\n',…

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Problem using python QPID and gevent together [closed]

- by William Payne

I have a python script that pulls messages from an Apache QPID queue, and then uses gevent to perform (IO-bound) tasks on those messages in parallel. The queue that this script pulls from was recently changed: I suspect the version of the C++ QPID broker changed, although I cannot verify…

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Factory for arrays of objects in python

- by Vorac

Ok, the title might be a little misleading. I have a Window class that draws widgets inside itself in the constructor. The widgets are all of the same type. So I pass a list of dictionaries, which contain the parameters for each widget. This works quite nicely, but I am worried that the…

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