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Lock screen or sleep from Quicksilver
I recently got a new laptop, and I’ve been transferring over all of my settings. I often use Quicksilver to trigger a screen lock or put my laptop to sleep. Here’s how I do it. I use a shell script to put … Continue reading
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Spinnaker & Kubernetes on macOS
Recently I was playing with the open-source release of Spinnaker, the continuous delivery tool that we use inside of Netflix. Spinnaker is designed for deploying apps on cloud backends (e.g., AWS, GCE), but I wanted to run everything entirely on … Continue reading
Go: Pointer to methods
Go: Pointer to methods Sometimes I need a pointer to a method that is not bound to an explicit object. Method pointers are just function pointers where the first argument is the type. Imagine we have a Pet type with … Continue reading
Getting timestamp from v1 uuid
Getting timestamp from v1 uuid Translated from J.B. Langston’s Converting TimeUUID Strings to Dates Java version to Python: import arrow import fileinput import uuid def main(): for line in fileinput.input(): line = line.rstrip() value = uuid.UUID(line) epoch_millis = (value.time – … Continue reading
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Starting a new Minecraft mod
Starting a new Minecraft mod My kids are really into Minecraft, and are interested in mods. Here’s a quickstart to getting an OS X dev environment set up with IntelliJ IDEA. Prereqs You should have the following already installed on … Continue reading
Testing the Vert.x kinesis module
I needed a simple way to test queueing a Kinesis message with the Vert.x Kinesis module. This Jython script will do it: import vertx from core.event_bus import EventBus from org.vertx.java.core.json import JsonObject from org.python.core.util import StringUtil module = “com.zanox.vertx.mods~mod-kinesis~1.4.13” def handler(_, x): … Continue reading
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Using mitmproxy to log Docker API calls
The other day I needed to log the API calls made from my Docker client to debug a difference in behavior between the docker command-line tool and the docker-py Python client. Here’s how I did it. Disable TLS on boot2docker … Continue reading
Plotting a counting process in an IPython notebook
There are lots of interesting timeseries data in software systems: events that occur over time such as numbers of users signed up, or errors of a certain type. I like visualizing these as a counting process, which is a cumulative count of the … Continue reading
mitmproxy and ec2-api-tools
Here’s how you can mitmproxy on OS X to see which URLs the ec2-api-tools are querying against. 1. Install mitmproxy: sudo pip install mitmproxy Start it up: mitmproxy -p 8080 Configure the Java keystore to trust the mitmproxy CA certificate: … Continue reading
mod_auth_openid on OSX
I wanted to play with mod_auth_openid on my Macbook Pro. OS X ships with Apache installed, so all I needed to do was build the module and edit the Apache configuration. I wasn’t able to build mod_auth_openid from the git … Continue reading
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