5 interesting things (13/08/2018)

JQ cook book – I find myself using JQ quite often and sometimes to more complex things than just filtering fields. https://github.com/stedolan/jq/wiki/Cookbook Bonus point – list of text-based file formats and command line tools for manipulating each – https://github.com/dbohdan/structured-text-tools Missingno – Missing data visualization module for Python. This package offers a variety of visualization to […]

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Map Spark UDAF (Java)

I run Spark code on Java. I had data with the following schema – And I wanted to get a single record for a user which has the following schema – Attached the user defined aggregation function I wrote to achieve it. Before that –

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Code Challenges Anti-Patterns

Code challenges are a common tool to evaluate candidate ability to develop software. Of course there are other indicators such as – blog posting, open source involvement, github repository, personal recommendations, etc. Yet, code challenges are frequently used. I recently got to check some code challenges and was surprised from some of the things I found […]

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SO end of year surveys

Recently Stack Overflow published  few posts comparing the usage of Stack Overflow between different segments \ scenarios: How Do Students Use Stack Overflow? What Programming Languages Are Used Most on Weekends? Women in the 2016 Stack Overflow Survey Few comments regarding those posts – How Do Students Use Stack Overflow? “R and MATLAB are pretty […]

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