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|rss_image|  **2018-07 - 1/1** :ref:`Blog <ap-main-0>` :ref:`installation (12) <ap-cat-installation-0>` :ref:`python (3) <ap-cat-python-0>`

.. |rss_image| image:: feed-icon-16x16.png
    :target: ../_downloads/rss.xml
    :alt: RSS

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.. index:: 2018-07


.. _ap-month-2018-07-0:

2018-07 - 1/1
+++++++++++++

.. blogpostagg::
    :title: opencv, cannot find DLL
    :date: 2018-07-29
    :keywords: opencv
    :categories: module
    :rawfile: 2018/2018-07-29_opencv.rst

    I recently faced an issue with
    `opencv-python <http://opencv-python-tutroals.readthedocs.io/en/latest/>`_ and
    :epkg:`python` 3.7:
    ``import cv2`` returned the following error:
    

    ...




.. blogpostagg::
    :title: pyecharts + echarts
    :date: 2018-07-05
    :keywords: pyecharts
    :categories: module
    :rawfile: 2018/2018-07-05_pyecharts.rst

    `pyecharts <https://github.com/pyecharts/pyecharts>`_ is a wrapper
    around `echarts <https://ecomfe.github.io/>`_,
    a library developped by
    `Baidu <https://www.baidu.com/>`_.
    Most of the documentation is in Chinese so it handles
    every language.
    Check the `gallery <https://ecomfe.github.io/echarts-examples/public/index.html#chart-type-graph>`_,
    it is quite impressive. One example about is graph shows relationships
    in `Les Miserables <https://ecomfe.github.io/echarts-examples/public/editor.html?c=graph>`_.
    The Python wrapper used som technics such as modules
    to automatically converts python code
    into javascript: `javascripthon <https://github.com/metapensiero/metapensiero.pj>`_.
    I recommend reading the associated paper
    `ECharts: A declarative framework for rapid construction of web-based visualizatio <https://www.sciencedirect.com/science/article/pii/S2468502X18300068>`_
    which mentions many existing libraries and explain their technical choice
    like not using SVG to increase performance
    (so no depndency on `d3.js <https://d3js.org/>`_).





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|rss_image|  **2018-07 - 1/1** :ref:`2019-11 (2) <ap-month-2019-11-0>` :ref:`2019-12 (1) <ap-month-2019-12-0>` :ref:`2020-02 (1) <ap-month-2020-02-0>` :ref:`2020-09 (1) <ap-month-2020-09-0>` :ref:`2021-01 (5) <ap-month-2021-01-0>`