Delete orphan application menus in KDE

Just look at ~/.local/share/applications/

Monkey patch an instance method in Python3

import types

class SomeClass(object):
    def __init__(self, x):
        self.x = x
    def some_method(self, y):
        print("Original method", self.x + y)

# creates instance
instance = SomeClass(1)

# test instance's method
instance.some_method(1)

>>> Original method 2

# The method to patch
def new_method(self, y):
    print("New method", self.x * y)

# monkeypatch using types.MethodType()
instance.some_method = types.MethodType(new_method, instance)

# test patched method
instance.some_method(10)
>>> New method 10

Change theme for the embedded terminal in gedit

The embedded terminal in gedit fetchs its theme from gnome-terminal. So that program must be first installed, then when it is configurated with a given profile theme, the same settings are used by gedit.

Update flash plugin for Opera

Worked for Opera version 42.0.2393.137

• Download plugin from http://get.adobe.com/flashplayer/. Get the .tar.gz version
• Unpack the contents in /usr/lib/adobe-flashplugin
• Restart Opera

Source .bashrc upon ssh connection

Trick source

Add this to you .bash_profile file:

# .profile
if [ -n "$BASH" ] && [ -r ~/.bashrc ]; then
    . ~/.bashrc
fi

Anaconda2 jupyter notebook fix to export to pdf

Under Linux Mint, the problem arises when issuing:

 $ ~/anaconda2/bin/jupyter nbconvert my_notebook.ipynb --to pdf

During the conversion, LaTeX fails with the error:

! LaTeX Error: File `ulem.sty' not found.

This is solved by installing the texlive-generic-recommended package:

 $ sudo apt-get install texlive-generic-recommended

Get mathjax equations rendered under wkhtmltopdf

Trick source

Try using --javascript-delay [ms]. [ms] is the time in milliseconds wkhtmltopdf waits for complex scripts to finish. --javascript-delay 25000 is a good value to get the job done