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Databases & Data

The most popular blog posts about databases & data on Hacker News. 332 posts.

2017
305

TensorFlow Feature Columns

Welcome to Part 2 of a blog series that introduces TensorFlow Datasets and Estimators. We're devoting this article to —a data structure describing the features that an Estimator requires for training and inference. As you'll see, feature columns are very rich, enabling you to represent a diverse range of data.

310

Dynamic Programming in Python: Bayesian Blocks (2012)

Of all the programming styles I have learned, dynamic programming is perhaps the most beautiful. It can take problems that, at first glance, look ugly and intractable, and solve the problem with clean, concise code. Where a simplistic algorithm might accomplish something by brute force, dynamic programming steps back…

318

Mapping Strings in C++

Mapping strings to things makes sense. You take a meaningful string and you assign it a value. As with most things we do in programming there are many pitfalls to approaching a problem. So, lets explore some of them!

330

Jepsen: CockroachDB beta-20160829

CockroachDB is a distributed SQL database, loosely patterned after Google Spanner and designed for semi-synchronous networks. It speaks the PostgreSQL wire protocol , supports a reasonable dialect of SQL , and combines replication for durability with transparent scale-out sharding for large tables. Its most…