vadimkantorov

# Example:
# $ python argparse_dict_argument.py --env a=b --env aa=bb
# Namespace(env={'a': 'b', 'aa': 'bb'})

import argparse

parser = argparse.ArgumentParser()
parser.add_argument('--env', action = type('', (argparse.Action, ), dict(__call__ = lambda a, p, n, v, o: getattr(n, a.dest).update(dict([v.split('=')])))), default = {}) # anonymously subclassing argparse.Action
print(parser.parse_args())

vadimkantorov

# Usage: bash urlgrepfb.sh "Vadim Kantorov" > urls.txt

cat messages.htm | xpath -q -e "//div[@class='thread' and contains(text(), '$1')]" | grep -o 'http[^ <]*' | tac

vadimkantorov

# Usage:
#   strip_latex_comments file.tex file.nocomments.tex
#   strip_latex_comments_inplace file.tex

function strip_latex_comments {cat "$1" | '"sed 's/\([^\\]\|^\)\(\(\\\\\)*\)%.*/\1\2%/g' "'> "$2"; }

function strip_latex_comments_inplace {find . -name '*.tex' -exec sed -i'' 's/\([^\\]\|^\)\(\(\\\\\)*\)%.*/\1\2%/g' {} \; }

alias stip_latex_comments2="sed -e 's/\([^\\]\|^\)\(\(\\\\\)*\)%.*/\1\2%/g'"
# strip_latex_comments2 file.tex > file.nocomments.tex

vadimkantorov

# Usage: 
# 1. Put in your email/SendGrid credentials or phone/Twilio credentials
# 2. Run as: "bash rdv_naturalisation.sh nanterre" or "bash rdv_naturalisation.sh bobigny" or "bash rdv_naturalisation.sh cre"
# 3. Get your RDV! The script will dump the HTML of the page and will continue execution even after the first RDV is found.

SENDGRID_BEARER_TOKEN='' # should start with "SG."
SENDGRID_EMAIL='' # put your e-mail here
TWILIO_SID='' # should start with "AC"
TWILIO_AUTH_TOKEN=''
TWILIO_FROM_NUMBER='' # put your Twilio Trial Phone Number here, should start with +

vadimkantorov

#! /bin/bash

# Installation: add the following alias to your ~/.bashrc
#   alias matlabr='bash <(curl -sS https://gist.githubusercontent.com/vadimkantorov/56f6eb35fab2135c04706a0a67aa2fe6/raw)'
# Usage: 
#   matlabr /path/to/script.m
#   matlabr --fixlibstdc++ /path/to/script.m # to preload system's libstdc++ before running MATLAB. This will help for erors like: 
                                             # Invalid MEX-file '/PATH/TO/MYMEX.mexa64': /PATH/TO/MATLAB/ROOT/linux64/bin/glnxa64/../../sys/os/glnxa64/libstdc++.so.6:
                                             # version `GLIBCXX_3.4.20' not found (required by /PATH/TO/SOME/LIBRARY/LINKED/TO/MYMEX.mexa64/MYLIBRARY.so).
                                    

vadimkantorov

# Usage:
#  gdbpython script.py my_script_arguments
#  gdbbacktrace ./my_program arg1 arg2

alias gdbpython="gdb -ex run --args python"
alias gdbbacktrace="gdb -batch -ex run -ex bt --args"

vadimkantorov

-- Produces mean and the whitening transform of matrix x[n, d] holding n data points of dimension k, using rank k approximation
-- Auxiliary gaussian matrix g[d, f * k] will use f = 3 by default

-- Original paper: http://users.cms.caltech.edu/~jtropp/papers/HMT11-Finding-Structure-SIREV.pdf

function whiten(x, k, f)
    local n, d = unpack(x:size():totable())
    local mean = x:mean(1)
    local g = x.new():randn(d, math.min((f or 3) * k, x:size(2)))
    

vadimkantorov

function DynamicView(getSizeTable)
    local module = nn.View(-1)
    module.updateOutput = function(self, input) return nn.View.updateOutput(self:resetSize(unpack(getSizeTable(input:size()))), input) end
    return module
end

-- function TotalVariation() --accepts 4D tensors
--   local sk = torch.Tensor(2, 1, 2,2)
--     sk[1][1]:copy(torch.Tensor(2,2):set(torch.Storage({-1, 1, 0, 0})))
--     sk[2][1]:copy(torch.Tensor(2,2):set(torch.Storage({-1, 0, 1, 0})))

vadimkantorov

-- Usage:
--  hdf5_save('/path/to/my.h5', {a = torch.Tensor(1), b = {torch.CudaTensor(2)}, 'string', c = 5, d = true})
--  obj = hdf5_load('/path/to/my.h5')
--  obj = hdf5_load('/path/to/my.h5', {'a', 'b'})
--  tensor = hdf5_load('/path/to/my.h5', {'a'})

require 'hdf5'

function hdf5_save(path, obj)
    local function dfs(datapath, obj, h)

vadimkantorov

require 'image'
require 'base64' -- luarocks install lbase64

function vis_html_table(vis_path)
    return {
        file = io.open(vis_path, 'w'):write('<html><body><table>'),
        close = function(self)
            self.file:write('</tr></table></body></html>'):close()
        end,
        figure = function(self, img, top_legend, bottom_legend, rescale, width, height)