1. Linking in Hydra

    Please note that in order to keep the JSON concise, I've omitted the JSON-LD @context and used standard naming.

    I had a conversation with a coworker about using JSON-LD and Hydra to add hypermedia to an existing RESTful service. I will walk you through our conversion.

    Start with an ...

    Eric Moritz
    : linked-data / hydra / json-ld
    1. Hydra lite

      For the past year or so I have been working with JSON-LD and Hydra. I have been an internal zealot for using JSON-LD and Hydra for building hypermedia services but I have been met with indifference for "simpler" formats such as HAL.

      I think this preference for HAL is due ...

      Eric Moritz
      : linked-data / hydra / json-ld
      1. Easy ETL with RDF and Python

        So I have been tasked with optimizing our deployment pipeline. It is pretty obvious to us where the bottlenecks are but trying to be a data driven developer I needed to collect stats on the current system to know for certain where the bottlenecks are in feature deployment.

        The only ...

        Eric Moritz
        : RDF / ETL / pragmatic-rdf
        1. Websocket Demo Results V2

          History

          Roughly about a month ago I wondered if Erlang's promise of massive concurrency was actually true.

          Rather than take everyone's word for it, inspired by Richard Jones' C1M experiment I decided to whip together a benchmark of my own.

          This benchmark pit a Cowboy ...

          Eric Moritz
          : erlang / websockets / c10k / node / nodejs
          1. Learning Python Logging

            The Python logging module is often a source of confusion with developers. Often, logging is the final thought in a project. When we are finishing up a project, the last thing we want to do is sift through the logging documentation to figure logging out. It is a perpetual cycle ...

            Eric Moritz
            : python / logging
            1. Books every self-taught computer scientist should read

              There are three books that I believe that every self-taught computer scientist should read. These are books that I often recommend to smart junior developers that learned their knowledge by doing instead of schooling. These are books that will close the gap for people that fall into the category of ...

              Eric Moritz
              : programming / computer science / self-taught / learning / books
              1. Why REST?

                Preface

                I have to say before you read this that I only have a theoritical understanding of how a web service benefits for being RESTful. Most of the topics I have explored are actually explained in Roy Fieldings section on REST

                In the future, I would like to explore and ...

                Eric Moritz
                : REST / programming
                1. Announcing django-viewtools

                  Hi, I'm announcing a project I have called django-viewtools

                  django-viewtools provides a management command to help in debugging and profiling views

                  Overview

                  django-viewtools provides a number of management commands for debugging views.

                  There are a number of flags that can be used when calling the view

                  -d, --debug: This ...
                  Eric Moritz
                  : debugging / django / python
                  1. Python Encodings and Unicode

                    I am sure there has been a number of explanations on Unicode and Python but I'm going to do a little write up for my own sake.

                    Byte Streams VS Unicode Objects

                    Let's start by defining what a string in Python is. When you use the string type ...

                    Eric Moritz
                    : python
                    1. PDB and django.test.client

                      So you have a site in production and someone called you up that there is a bug on the site. Your template designer is trying to make a change to a template and the change is isn't showing up on the site. You make the change on you development ...

                      Eric Moritz
                      : debugging / django / pdb / python
                      1. Find the number of days until next day of week

                        I've had to figure this out before and I forgot it. Here it is preserved

                         def daysuntilnextdow(start, next):
                             """Determine how many days until the next Day of week
                        
                             start: The day of the week to start from
                             next: The day of the week to go to
                        
                             returns a ...
                        Eric Moritz
                        : date / python
                        1. Understanding PSQL's MVCC

                          Understanding PSQL's MVCC

                          PostgresSQL implements something called MVCC. Which alleviates the need for a Read-Lock in many cases. However when Glenn Franxman and I were trying to figure out how this works we were having trouble understanding it completely.

                          If you ask about MVCC in the #postgres irc channel ...

                          Eric Moritz
                          : django / postgresql
                          1. Fun with APIs

                            So, you're looking for a job you say... Need to brush up on your knowledge set... I've got the tool for you!

                            career_chooser.py

                            import urllib
                            import re
                            import sys
                            import cgi
                            
                            API_KEY="USE YOUR OWN"
                            def get_result(query):
                                url = "http://api.indeed.com/apisearch?q=\"%s\"&l ...
                            Eric Moritz
                            : fun / python
                            1. Template Tag Caveat

                              In the Django template system. There is a small caveat that you need to recognize when developing your own template tags.

                              When Django parses the Node tree it creates a template.Node instance for each template tag in the template. The node tree is just like our beloved HTML DOM ...

                              Eric Moritz
                              : django
                              1. iphone-3g

                                What can I say about the iphone 3g that hasn't been said. All I can say is I want one and I want to develop on it.

                                The one thing that sold me was the true GPS support. This thing is going to herald in the geotagging revolution that ...

                                Eric Moritz
                                : gps / iphone
                                1. appengine vs twitter part 2

                                  I've created a project in launchpad for Meow. You can now submit bug reports and feature requests into launchpad.

                                  If your a Django or Appengine hacker and want to help me out, simply branch the Meow code with bazaar and you can "bzr send" me patches. I'll be ...

                                  Eric Moritz
                                  : appengine / django
                                  1. appengine vs twitter

                                    So Glenn Franxman was opining this afternoon about how twitter is going to reach a point where they're going to grow to big and need to make money somehow. He said that they're either going to have to throw ads everywhere or hope to be aquired.

                                    He thinks ...

                                    Eric Moritz
                                    : django / gae / google / twitter
                                    1. Experimenting

                                      I ran across Smisk two days ago and though. "Hmm, someone should write a wsgi adaptor for that".

                                      Maybe an hour after I had that thought, I started working on one. It was pretty easy. Smisk's classes seem to be inspired by WSGI, all the wsgi environment variables had ...

                                      Eric Moritz
                                      : django / programming / python / smisk
                                      1. is opensource really all that great for companies

                                        So I released my feedclowd code as open source and I needed to pick license. The requirements I wanted in a license were this, you may use the source code but if you modify that source code you must make your source code available. In my ignorance, that's what ...

                                        Eric Moritz
                                        : django / gpl / opensource

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