Jim Holmström Jim-Holmstroem

## remove_if_on_string.cpp
//string.erase(std::remove_if(string.begin(),string.end(),&condition),string.end())

#include <algorithm>
#include <string>

bool condition(char c)
{
    return c==' '; //simple example
}

## bash_eval_first
#example, will evalute and return the command inside the backticks `` to arguement
echo `pkg-config --cflags --libs gtk+-2.0`
#general
command `inner_command`

## numpy_array_hash.py
from hashlib import sha1
import numpy
arr=numpy.zeros((256,256,4))
sha1(arr)

## sym_matrix.m
A=sym('[a b 0;c d 0;0 0 1]')
A*[1 0 0]'

## reinstallX
sudo apt-get purge nvidia*
#remove xorg.conf
sudo apt-get --reinstall xserver-xorg-core libgl1-mesa-glx:i386 libgl1-mesa-glx:amd64 libgl1-mesa-dri:i386 libgl1-mesa-dri:amd64
sudo dpkg-reconfigure xserver-xorg
sudo reboot
sudo apt-get install nvidia-current
#if this doesn't work
sudo apt-get install linux-headers-generic-pae

## vram_usage.sh
nvidia-smi -a | grep Used

## vimhex
:%!xxd #set
:%!xxd -r #unset

Stream vim’s buffer through the external program ‘xxd’

## int2bits.py
def int2bits(i,n,zero_element=0,one_element=1):
    return list((zero_element,one_element)[i>>j & 1] for j in xrange(n-1,-1,-1))

for i in range(16):
    print int2bits(i,4)

## maplist
def maplist(a,indices):
    return map(lambda i:operator.getitem(a,i),indices)

## finddivofzeroandgroupofunit.py
dozsmatrix=dict(map(lambda a:(a,filter(lambda b:a*b==Zero,R)),R))
groupofunit=dict(map(lambda a:(a,filter(lambda b:a*b==e,Rstar)),Rstar))
	//string.erase(std::remove_if(string.begin(),string.end(),&condition),string.end())

	#include <algorithm>
	#include <string>

	bool condition(char c)
	{
	return c==' '; //simple example
	}
	#example, will evalute and return the command inside the backticks `` to arguement
	echo `pkg-config --cflags --libs gtk+-2.0`
	#general
	command `inner_command`
	from hashlib import sha1
	import numpy
	arr=numpy.zeros((256,256,4))
	sha1(arr)
	sudo apt-get purge nvidia*
	#remove xorg.conf
	sudo apt-get --reinstall xserver-xorg-core libgl1-mesa-glx:i386 libgl1-mesa-glx:amd64 libgl1-mesa-dri:i386 libgl1-mesa-dri:amd64
	sudo dpkg-reconfigure xserver-xorg
	sudo reboot
	sudo apt-get install nvidia-current
	#if this doesn't work
	sudo apt-get install linux-headers-generic-pae
	:%!xxd #set
	:%!xxd -r #unset

	Stream vim’s buffer through the external program ‘xxd’
	def int2bits(i,n,zero_element=0,one_element=1):
	return list((zero_element,one_element)[i>>j & 1] for j in xrange(n-1,-1,-1))

	for i in range(16):
	print int2bits(i,4)
	def maplist(a,indices):
	return map(lambda i:operator.getitem(a,i),indices)
	dozsmatrix=dict(map(lambda a:(a,filter(lambda b:a*b==Zero,R)),R))
	groupofunit=dict(map(lambda a:(a,filter(lambda b:a*b==e,Rstar)),Rstar))