What is VirtualEnv? The virtualenv tool creates an isolated Python environment (in the form of a directory) that is completely separate from the system-wide Python environment. What this really means is that any settings, 3rd-party packages, etc. from the... (more…)

Elasticsearch provide bulk operations to perform multiple operations in a single call. Bulk APIs can... (more…)

In the Code-First approach, you first define your data-model in plain code. You can start working with that model immediately, and only later you worry about schema definitions, bindings, and other… (more…)

Constant-factor differences are frequently ignored when analyzing the complexity of algorithms and implementations, as they appear to be insignificant in practice. In this paper, we demonstrate that this assumption can in fact have far more profound impli... (more…)

Transitflow is an experimental set of tools that generate spatial-temporal transit frequency datasets and visualizations from the command line. (more…)