Tagged: Free and Open Source

3

Seven Useful DigDag Tips and Tricks

DigDag is a pretty simple tool to install and run. There are quite a few tips and tricks that you can use to make your interaction productive. Here are my favourite ones. Setup DigDag Config DigDag command takes quite a few parameters. Instead of remembering to enter them every time, one can create...

1

How to use DigDag Restful APIs to Trigger a Job

DigDag has been a tool of choice to run data workflows and some batch jobs at First Walkin Technologies. I liked DigDag from day one. Just like any Unix tool, It does a limited set of things but it does them quite well.  One of the things I really missed is to trigger...

HOPCOMS API 0

Updates to HOPCOMS API

HOPCOMS Daily rate page moved to a new location last month. It’s not visible on Google search and hence I couldn’t find. But a good soul at HOPCOMS whom I got in touch with sent me this new link. It’s not just change of url. They have changed the structure of the data...

10

Mapping Surveillance in Bangalore using OpenStreetMap

For last couple of months I have been driving quite a bit inside the city1. The biggest thing I noticed was the amount of public CCTV cameras across the city. I find them in every corner. We don’t know clearly how many of them are there, what’s the spread, who owns them and...

4

How to create Sparklines in LibreOffice Calc

I love using sparklines. I use them everywhere from Google Sheets to web pages. Popularized by Edward Tufte. It’s usually a small line chart without axes or coordinates. Like this . I like them because they go very well with text, without disturbing the flow but significantly adding to the information display. Sparklines...