Virtual Jupyter

Wed 24 July 2019
Jupyter and a Python (almost) (Photo credit: Wikipedia)

Following the isolation of python environements and given I use jupyter notebooks, isolating jupyter kernels inside virtualenv is a logical step.

To do so, you must install a new kernel using the ipython you installed inside your virtualenv:

  1. Create your virtualenv
  2. Install ipython inside your virtualenv (use pip)
  3. Create a new kernel
ipython kernel install --user --name="test"

3. Start your jupyter-notebook. You can now choose your new kernel (listed just below the python3 kernel). You can also change your kernel on an existing notebook.

Kernel selection menu (last item)

Category: how to Tagged: python tools code

Python virtualenv: quick reference

Sun 21 July 2019
Virtual environement (Photo credit: wikipedia)

To isolate python developments, I use virtualenv. This allow me to forget about the specific python version used for each project, avoid interferences with the default python installation and between my projects, is relatively light, and may have other advantages I cannot imagine with my …

Category: programming Tagged: python tools code

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C*: Yaw

Mon 01 April 2019
aileron Vertical stabilizer (Photo credit: Wikipedia)

This post is about yaw control. This is also the post for which I did not find many references.

Remember the yaw is the axis controlled by the rudder. The rudder acts as any foil, providing a force dependant of its angle of attack. This …

Category: aviation Tagged: C star Flight dynamics yaw

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LaTeX makefile updated

Fri 29 March 2019

My default LaTeX makefile evolved. Here is an update:

The makefile looks like:

RERUN='(There is undefined reference|Rerun to get (cross-references|the bars) right)'

    ${LATEX} $<
    @if [ -e $*.bbl ]; then ${BIBTEX} $* && ${LATEX} $< && ${LATEX} $< ; fi
    @if egrep -q $(RERUN) $*.log ; then ${LATEX} $< ; fi

%.aux …

Category: tools Tagged: GNU LaTeX Makefile Writing how to tools

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Back online

Mon 18 February 2019

I've migrated the blog from wordpress to pelican. Static files, quite easy to use.

The migration process went well. The pelican import tool is easy to use and my rst linter highlighted the few errors done by the import tools (mainly empty sections).

There are still few artefacts due to …

Category: tools Tagged: pelican wordpress blog tools

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Seine flooding

Mon 13 June 2016
Français : Crue de la Seine à Paris en 1910.

Seine, Paris, 1910. (Photo credit: Wikipedia)

On this mounth, the Seine decided to flood Paris and its neighborouds, so I took my camera to take pictures. I realised:

I was not alone

TV team waiting for the news

TV team waiting for the news

TV team waiting for the news

TV team waiting for the news

Guy taking picture thanks to a stick

Guy taking picture thanks to a …

Category: photography Tagged: Flooding Paris Seine

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GPG key renewal

Tue 02 February 2016

[caption id="" align="alignright" width="75" class="zemanta-img"]English: An example of a standard key used for... standard key (Photo credit: Wikipedia)[/caption]

What happen when a PGP key expire? Obvious answer: you can no longer securely use it. Nevertheless, you may not delete it as you must be able to read your encrypted files.

Basics step that should …

Category: network security Tagged: FAQs Help and Tutorials Mail tools

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