Using apitrace with GStreamer 1.x to convert OpenGL captures to video

Background

apitrace is a set of tools to trace and replay OpenGL API calls. Using it, we can capture the output of applications like glava (an OpenGL-based audio visualiser), and later replay it or save it to a video file.

To do this, the apitrace… »

ledger-pyreport: Formal accounting reports for ledger-cli

Ledger is a powerful command-line plain-text double-entry bookkeeping system. It is agnostic as to higher-level accounting principles, which makes it a very versatile tool for a wide variety of use cases, but does create challenges when extracting formal accounting reports. For example, Ledger struggles to… »

Incorrect accounting of unrealised gains in ledger-cli

Problem 1

Consider the following Ledger journal:

2019-07-01 Opening balances Assets:Current:Cash at Bank $1000.00 Equity:Opening Balances 2019-07-02 Application Assets:Current:International Account 100.00 EUR @ $1.10 Assets:Current:Cash at Bank 2019-08-02 Application Assets:Current:International Account 100.00 EUR @ $1.05 Assets:Current:Cash at Bank 2019-09-02 Redemption Assets:Current:Cash at Bank $57.50 Assets:Current:International

Customising OsmAnd voice navigation to remove route numbers

OsmAnd is an open-source offline map and navigation app for Android, based on OpenStreetMap data.

In my experience, OsmAnd's voice navigation is the most polished of all open-source Android navigation apps. However, it has a frustrating habit of always announcing street names in conjunction with… »