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Ctags

Use etags instead of ctags to generate TAGS, otherwise the TAGS file will not be recognized by EMACS. For that Vim key binding is used through evil mode, to get access to EMACS short cut, type C-z to come back to EMACS first. EMACS short cut and command for tags are listed below:

key-binding command definition
M-. M-x find-tag find a tag
C-u M. None or have not idea go to next match
  M-x find-tag-other-window just what the command mean
M-* M-x pop-tag-mark jump back
  M-x tags-search regexp-search though tag file
  M-x list-tags list all tags defined in a source file

multi-term

Eshell .vs. shell .vs. term .vs. multi-eshell .vs. multi-term. Why multi-term?

  • IPthon can be used in multi-term and support completion;
  • Create terminal easily;
  • No more.

To kill process, C-C does not work and you have to kill it by command kill. First find what you want to kill by ps and grep:

ps | grep some-process

Then kill it:

kill some-process-id

Ropemacs

Ropemacs is based on rope, ropemode and Pymacs. At first usage, emacs will inform to enter "rope project root folder", just enter ".ropeproject".

w3m-emacs

  • S: search with default engine
  • a: add to bookmark
  • d: download url at point
  • B: backward to history page
  • N: inverse to B
  • C-c C-p: w3m-previous-buffer
  • C-c C-n: w3m-next-buffer

auctex

Latex Chinese Support for non Windows OS

  • Install texlive with full scheme;

  • Dowload fonts files or copy from /c/Windows/Fonts:

    cp /c/Windows/Fonts/{sim,SIM}* ~/.fonts

  • fc-cache to update fonts;

  • fc-list :lang=zh to view Chinese fonts;

  • Write a Latex file for testing:

    \documentclass{ctexart}
\begin{document}
Some Chinese Words
\end{document}

  • Compile with xelatex;

  • Error may occur that fonts not found. Open /usr/local/texlive/2013/texmf-dist/tex/latex/ctex/fontset/ctex-xecjk-winfonts.def and modify fonts name according to names viewed by fc-list :lang=zh

  • Compile again and view *.pdf in EMACS.

python

IPython

IPython could be used in cygwin EMACS shell if IPython is installed from source. Never try to use Windows native IPython terminal in cygwin EMACS shell.

matplotlib

You can never use the matplotlib 1.3 in cygwin and cygwin emacs. However, there are ways to dodge. If you have Windows native Python and Matplotlib installed (say, through Pythonxy), write a python script plot.py:

import numpy as np
import matplotlib.pyplot as plt

x = np.linspace(-np.pi, np.pi)
y = np.sin(x)
plt.plot(x, y)
plt.show()

Then open a shell window in EMACS and key in:

/path/to/windows/native/python plot.py

And you can enjoy the figure yourself. However, the author has no idea how to use Matplotlib in EMACS Python terminal interactively.

sphinx

To install sphinx for Cygwin:

pip install Sphinx

To avoid time-consuming loading intersphinx inventory, download object.inv to ~/share/doc/python/html/objects.inv and add to conf.py:

def check_object_path(key, url, path):
    if os.path.isfile(path):
        return {key: (url, path)}
    return {}

intersphinx_mapping = {}
intersphinx_mapping.update(check_object_path('python',
                        'http://docs.python.org/',
                        '/usr/share/doc/python/html/objects.inv'
                        ))
intersphinx_mapping.update(check_object_path('sphinx',
                        'http://sphinx.pocoo.org/',
                        '~/share/doc/python/html/objects.inv'))

Note that LaTeX and python-doc should be installed.

Kmacro

Basic usage

C-x (: begin to define a keyboard macro; C-x ): end the definition; C-u 10 C-x e: execute last kmacro for 10 times.

org-mode

Install the latest org

  • Never use package management system to install the latest org, which has several bugs

  • You may have to uninstall the old version org released with Emacs

  • It is recommended to use Git to update org:

    git clone git://orgmode.org/org-mode.git
make autoloads

    Note

    The second step is indispensable to make org work.

  • Org no longer support remember so that you have to switch to capture for quick notes.

  • Add load path of org at first lines of init.el, otherwise starter-kit cannot find and load org

  • Uninstall the old version org or you will encounter unknown problems

    Note

    The old version org has been removed to ~/share/org_old

Math

  • You can insert LaTeX math expression in org.

  • To export math in html with LaTeX, add to file at head:

    #+OPTIONS: tex:imagemagick

  • To employ MathJax:

    #+HTML_MATHJAX: align:"center" mathml:t path:"http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"

Publish

TODO