pyenv can get particularly annoying during building Python. Dependencies are often missing resulting in failed builds. This short blog post is outlining the required dependencies to reduce headaches for future me, and anyone else reading this.
Category: Hacks
Reading Bangladeshi NID and Smart Cards with ZXing
Bangladeshi NID and Smart Cards come printed with a 2D Datamatrix Barcode, known as PDF417. The information on the cards can be extracted without using an OCR solution through the barcode. We’ll be using Google’s ZXing library; learn about the basics of using it.
Probability of Coin Tosses and Pascal’s Triangle
A coin’s faces are marked with 0 and 1. What is the probability of scoring K 1s in N tosses?
Simple Python Profiling with IPython
Profiling is imperative to understand your application. However, getting started with profiling might seem to be a steep learning curve; but it doesn’t have to be! IPython has a lot of built-in magic commands, and some of them are helpful to profile your Python code. %timeit and %prun are among the ones I found most useful.
Mitigating High-Traffic with Simple Static Content Generation
Your application probably does not need to execute some code each time it is used. We have been caching for decades; reducing database queries, using key-value stores, OPcode caching and the list runs on. Things become overwhelming. I believe often we can find the best answers in simplicity; complexity should not be introduced where a simple… Continue reading Mitigating High-Traffic with Simple Static Content Generation