XOR Media

Coding, Operations, Etc.

Useful Latency Numbers

I ran across this gist on Hacker News which has a quick rundown of the latencies of various operations. It's nothing earth shattering, but if you compare the intra-data center round-trip (0.5ms) to reading 1MB of data from disk (20ms) you can pretty quickly see why systems like ...

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Recursively Merge Dictionaries in Python

What we're after

jQuery's extend function is really useful and if you've ever written a plug-in for the library chances are you've made use of it. I've run across a use for this functionality in python and it also makes an interesting interview question (regardless ...

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Simple Python Iterator to Walk a List in Pairs

I've run in to a couple situations where I've wanted to iterate over a list in pairs lately and decided to create a simple iterator to clean up the code a bit.

In the following code I have a list of dictionaries that I'm going to convert ...

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In code, tagged: python, coding, and examples.