Calculate grouped YTD totals for previous years in Pandas
I want to calculate the YTD total for the last couple years for every customer + product combination that has been sold. I'm new to Pandas and »
Import a directory into Databricks using the Workspace API in Python
Another fairly easy thing that I couldn't find in the docs. I wanted to be able to upload a directory into my Databricks Workspace from my »
Read from SQL Server with Python/Pyspark in Databricks
This is actually really easy, but not something spelled out explicitly in the Databricks docs, though it is mentioned in the Spark docs. Alas, SQL server »
Parse XML with PySpark in Databricks
It's kind of a trick title, but here's the answer: don't. Just don't do it. Python is no good here - you might as well drop »
Logging with Sentry on Databricks
I couldn't find anything that laid this out really plainly, so I'm going to do so here. I'll update as I learn more and dig deeper, »
Application is not supported over the /common or /consumers endpoints. Please use the /organizations or tenant-specific endpoint.
I was getting this error message when trying to sign into Azure Active Directory in a .Net Core 2.x app. It was written by someone »
The Trials and Tribulations of a Database Context in .NET Core (pt. 1)
When I started using .NET Core this time around, I was pleasantly surprised. But over the past couple of days, I have been unpleasantly surprised. There »
Dependency injection in .NET Core 2.0
Say I have a controller and I want it to pull something from Amazon. Say that I also have unit tests and I don't want to »
Config and secrets in .NET Core 2.0
There are a few ways to manage environment-specific configuration in the new version of .NET Core, and those ways are much better documented than I remember »
Notes for creating a UWP Surface App using .NET Core
These notes are more for personal use, so sorry for any incoherence :P. But maybe someone will find them helpful, even if UWP apps have been »
Writing a React Native iOS module in Swift
The odds were against me: The documentation is a little slim. I haven't been paying attention to the javascript universe for 6 months. But I have »
Creating a custom visual in Power BI
I'm making a visual to display a single KPI with some data, similar to Card with States - no graphs or anything fancy. To get started, »
Working with SQL Server in Django (+ schemas!)
TLDR; It's pretty brittle and pretty slow. However, I think the issues were mostly because I was connecting to an existing database, and that database was »
Testing requests in Play Framework
It's easy to test forms and controllers in Play Framework, except for when you add real-life things like CSRF protection and authentication. Other frameworks, like Django, »
Sane logging for postgres
Getting situated I’m using CentOS 7, and my logs are at /var/lib/pgsql/data/pg_log by default. Or if not by default, then »
Play framework - testing forms with array fields
I have an HTML form with a couple of fields, one of which is an array, the other of which is not. I want to be »
Play Framework - throw an exception to return an HTTP response
Hmm, when I write out the title, the idea seems pretty gross. But it makes some boilerplate-type things really nice. Take, for example, a user profile »
Ebean throws Null Pointer Exception when int column is null
6-16-2017 update: Hmm, turns out this issue was partly due to my Java inexperience. Primitives can't be null. Oh well, I think this could still be »
Supervisord issue on centos
Every now and then I'd get a message about supervisor not being able to find its socket. So I'd blindly start supervisor again and everything would »
Getting SQL Server to work with Play Framework
Originally published on svbtle on SEPTEMBER 20, 2016 I'm using the jTDS driver with Play 2.5.8 (which uses HikariCP) and kept getting exceptions like »