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Sunday, August 10, 2014

Elpy 1.5.1 released

I just released version 1.5.1 of Elpy, the Emacs Python Development Environment. This is a bug fix release.

Elpy is an Emacs package to bring powerful Python editing to Emacs. It combines a number of other packages, both written in Emacs Lisp as well as Python.

Quick Installation

Evaluate this:

(require 'package)
(add-to-list 'package-archives
             '("elpy" .
               "http://jorgenschaefer.github.io/packages/"))

Then run M-x package-install RET elpy RET.

Finally, run the following (and add them to your .emacs):

(package-initialize)
(elpy-enable)

Changes in 1.5.1

Saturday, August 2, 2014

Elpy 1.5.0 released

I just released version 1.5.0 of Elpy, the Emacs Python Development Environment. This is a major feature release.

Elpy is an Emacs package to bring powerful Python editing to Emacs. It combines a number of other packages, both written in Emacs Lisp as well as Python.

Quick Installation

Evaluate this:

(require 'package)
(add-to-list 'package-archives
             '("elpy" .
               "http://jorgenschaefer.github.io/packages/"))

Then run M-x package-install RET elpy RET.

Finally, run the following (and add them to your .emacs):

(package-initialize)
(elpy-enable)

Changes in 1.5.0

Sunday, July 13, 2014

Why systemd?

This blog post is based on a talk I gave on 2014-05-21.

For a few years now, GNU/Linux distributions have been migrating away from SysV init and towards a plethora of different new init systems. For users who have been happy with SysV init, this can come as a surprise. SysV init simply works, why are so many distributions moving away?

In this blog post, I will try to explain what the problems of SysV init are, and also what solutions systemd offers for them.

I would like to note that I am not a big fan of systemd. I see it as a tool that is now widely used, nothing more.

Friday, June 13, 2014

The Sorry State of Emacs Lisp Package Archives

GNU Emacs 24 (released in June 2012) introduced official support for packages, that is, a way of installing extensions from a remote repository. This was a huge step forward for Emacs, as it not only allowed users to easily find and install extensions, but it also made it possible for extensions to build upon other extensions without having to tell the user “great you want to install this, just install this extensions and those five other ones, too.” It used to be that many extensions each re-implemented common functionality just to get around this problem. Now, we have a number of general-purpose libraries.

Two years into the age of packages, there are three (four) major package archives available, but they all have some serious problems, making none of them even remotely as useful as, say, Python’s PyPI.

Tuesday, May 27, 2014

Race conditions in Emacs' process filter functions

Race conditions are always fun. They are particularly surprising when they happen in a single-threaded program like Emacs. I just ran into this problem for the second time.

Friday, May 23, 2014

Elpy 1.4.1 Released

I just released version 1.4.1 of Elpy, the Emacs Python Development Environment. This is a bugfix release.

Elpy is an Emacs package to bring powerful Python editing to Emacs. It combines a number of other packages, both written in Emacs Lisp as well as Python.

Quick Installation

Evaluate this:

(require 'package)
(add-to-list 'package-archives
             '("elpy" .
               "http://jorgenschaefer.github.io/packages/"))

Then run M-x package-install RET elpy RET.

Finally, run the following (and add them to your .emacs):

(package-initialize)
(elpy-enable)

Changes in 1.4.1

Friday, May 9, 2014

Devops, Cloud & Co.

Current Trends in Software Development and System Operations

Based on a talk I gave on November the 6th 2013.

The world of software development and system operations is changing drastically. While software used to be a product that is finished and delivered to a customer, it is now as often as not a continuous service provided to a customer. This concept of Software as a Service affects how developers and operators work.