Python has a number of different concurrency constructs such as threading, queues and multiprocessing. The threading module used to be the primary way of accomplishing concurrency. A few years ago, the multiprocessing module was added to the Python suite of standard libraries. This article will be focused on the threading module though.
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I’m sure some of you have been wondering if I had a more concrete outline of the book that I am currently writing. As a matter of fact, I do. Here’s what I have so far: Part One: Learning the Basics Chapter 1 – IDLE Chapter 2 – Strings Chapter 3 – Lists, Tuples and
Python 101: Book Outline Read More »
My readers have been asking me to write a book for a few years now and I’ve finally decided to bite the bullet and give it a go. For my first book, I decided to write something that’s for beginners and intermediate programmers. There will be four parts to the book with the first part
ANN: Python 101 – The Book! Read More »
Last year, Packt Publishing asked me to be a technical reviewer for a book called Python High Performance Programming by Gabriele Lanaro. It was published in December, 2013. For those of you with short attention spans, I give you my short review: Quick Review Why I picked it up: I got it for free, but
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I work with a lot of dictionaries at my job. Sometimes the dictionaries get really complicated with lots of nested data structures embedded within them. Recently I got a little tired of trying to remember all the keys in my dictionaries so I decided to change one of my dictionaries into a class so I
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The people at Packt Publishing recently sent me an ebook copy of Raúl Garreta and Guillermo Moncecchi’s book, Learning scikit-learn: Machine Learning in Python to review. Machine learning isn’t a topic I’m very familiar with, but I gave the book a shot as it sounded interesting. I’ll start off with my quick review for those
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Python’s logging module has lots of options. In this article, we will looks at the logging module’s ability to create Rotating Logs. Python supports two types of rotating logs: Rotate logs based on size (RotatingFileHandler) Rotate the logs based on some time interval (TimedRotatingFileHandler) Let’s spend some time learning how each of these two types
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What’s the most popular language of 2013? According to CodeEval.com, it’s Python! If you compare that with TIOBE, Python is only at #8, but at least it’s still in the top ten! Hopefully Python will continue to gain in the ranks and be used in many new places in 2014. You might also find the
Most Popular Language on CodeEval.com? Python! Read More »
One of my friends on the wxPython Google Group asked how to catch any exception that happens in wxPython. The problem is complicated somewhat because wxPython is a wrapper on top of a C++ library (wxWidgets). You can read about the issue on the wxPython wiki. Several wxPython users mentioned using Python’s sys.excepthook to catch
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Sometimes when you are coding, you want to know how long it takes for a particular function to run. This topic is known as profiling or performance tuning. Python has a couple of profilers built into its Standard Library, but for small pieces of code, it’s easier to just use Python’s timeit module. Thus, timeit
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I’ve been thinking about creating a simple downloading script with wxPython for quite a while. Then I saw someone on StackOverflow asking about how to do it and I decided it was time to figure it out. Downloading a file with Python is trivial. I wrote about a couple of different ways to do that
wxPython: Creating a File Downloading App Read More »
A few years ago, a fellow named Zed Shaw created a website called Learn Python the Hard Way that a lot of people praised. The website is made up of lots of short exercises that help beginner programmers learn the various nuances of Python but in bit-sized chunks. He kept updating it from time to
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The topic of generators has been covered numerous times before. However, it’s still a topic that a lot of new programmers have trouble with and I would hazard a guess that even experienced users don’t really use them either. Python generators allow developers to lazily evaluate data. This is very helpful when you are dealing
Python 201: An Intro to Generators Read More »
Editor’s note: This is a guest post from Yasoob Khalid who authors the Free Python Tips blog So hi there guys! I hope you are fine. So what is in this post? Today we will be writing a cleanup script. The idea for this post came from Mike Driscoll who recently wrote a very useful
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The wxPython toolkit provides an alternative to using Sizers for layout that is known as “sized_controls”. These controls or widgets are basically top-level widgets (like frame, panel, dialog, etc) that have sizing logic built into them. This article will cover all four types of sized_controls. They are as follows: SizedPanel SizedScrolledPanel SizedFrame SizedDialog The SizedScrolledPanel
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