Posts
51 entriesGetting average response time, call count, Min, Max on a restful api server
There's an api server that handles data traffic from an app I computed the average response time per interface using the apache logs For the hadoop,…

Analyzing log files with Python and Spark (with hadoop)
Installing and running Hadoop, then analyzing files with Spark. Done on OSX, written up in order from configuration to execution.
Git Notes — svn Migration, Undoing Local Commits, rebase vs merge
Git notes from 2015-2016 collected onto one page: migrating from svn to git, GitLab backup and restore, discarding local commits, and what finally made rebase versus …
Python Notes — Installing Python 3 on CentOS 6, a Web Server Checker
Building Python 3.5.1 from source on CentOS 6, and a practice script that checks every ten seconds whether a web server is still alive — http requests, threads, logging, …
Using Visual Studio Code as the default editor for Unity3D on Mac
When developing with Unity on Mac you usually code with MonoDevelop. But it doesn't support Korean, which was really annoying.
Spring JPA Notes — Setup, Associations, Saving and NamedQuery
Notes from adding Spring Data JPA to a mybatis project in 2015: maven setup, association fetching, how save cascades, @NamedQuery vs @NamedNativeQuery, and calling a …
Spring 4.0 Integration Notes — JUnit, XML View, RabbitMQ, Redis, Batch, SiteMesh, Hadoop
Configuration notes from wiring various things into a Spring 4.0 project through 2015, collected on one page: the JUnit test setup, an XML ViewResolver for Map results, …
logback Notes — Rolling by Time and Size, and Collecting Flume Logs
Rolling log files by date and size at the same time in logback, and switching Flume's default logger from log4j to logback so logs from every server land in one place — …

Flume install and test (mac)
Installing Flume and a basic flume.conf sample, from setting JAVA_HOME to configuring sources, channels and sinks.
.NET and C# Notes — Falling Back from async/await, C++ DLL Marshalling, Saving a WPF Control as PNG
Notes from building a Windows app in 2015: writing it with async/await on .NET 4.5.2 and then rewriting for 4.0 because the target PCs lacked the runtime, passing LPCTSTR …