praveen-palanisamy

Sometimes git clone/pull using SSH keys would fail with the following message even when the SSH keypair is setup on the server:

Unable to negotiate with <GIT_SERVER_IP> port 22: no matching host key type found. Their offer: ssh-rsa
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.

The resolution is to ask git to use the the following SSH options:

praveen-palanisamy

NOTE: This is for the latest drivers, cuda and cudnn versions available as of 11/2018. Change the version numbers & URL for future releases

0. Prerequisites

1. Drop to a tty shell, stop the display manager (sudo service lightdm stop ). Make sure no X server is running.
2. Uninstall & purge installed/previous nvidia drivers
   • sudo apt purge nvidia*
   • sudo apt autoremove
   • sudo dpkg -P cuda-*<TAB>
3. Blacklist nouveau drivers if not already done

praveen-palanisamy

BOOST_VERSION=1.67.0
BOOST_TOOLSET="clang-5.0"
BOOST_CFLAGS="-fPIC -std=c++14 -DBOOST_ERROR_CODE_HEADER_ONLY"
BOOST_BASENAME="boost-${BOOST_VERSION}"
BOOST_INCLUDE=${PWD}/${BOOST_BASENAME}-install/include
BOOST_LIBPATH=${PWD}/${BOOST_BASENAME}-install/lib

echo "Downloading boost."
wget "https://dl.bintray.com/boostorg/release/${BOOST_VERSION}/source/boost_${BOOST_VERSION//./_}.tar.gz"
echo "Extracting boost."

praveen-palanisamy

#!/usr/bin/env bash
# wp-backup-script.sh - Creates a complete, compressed backup of your WordPress database and files. You can then transfer it to your preferred location (local disk, cloud backup storage etc)

# Author: Praveen Palanisamy | Twitter: @PraveenPsamy | GitHub: https://github.com/praveen-palanisamy| Website: https://praveenp.com

# Dependencies: mailutils

# 0. Change the variables below to suit your environment
WP_FOLDER="$HOME/public_html/"  # Folder where your wordpress root installation is
BACKUP_FOLDER="$HOME/backups"   # Folder where you want to store the backups

praveen-palanisamy

#!/usr/bin/env bash

#File: tree2githubmd
#Description: Convert output of unix tree utility to Github flavoured Markdown

tree=$(tree -f --noreport --charset ascii $1 |
sed -e 's/| \+/  /g' -e 's/[|`]-\+/ */g' -e 's:\(* \)\(\(.*/\)\([^/]\+\)\):\1[\4](\2):g')
printf "# Code/Directory Structure:\n\n${tree}"

praveen-palanisamy

def single_action_cost(self,y):
  index=numpy.nonzero(y)
  true_cost=y[index]
  y = self.output.copy()
  cost = T.scalar()
  y_update = (y, T.set_subtensor(y[index], cost))
  f = function([cost], updates=[y_update])
  f([true_cost])

  return (y-self.output)**2

praveen-palanisamy

lossScalar = 1 - reward; % This is loss of the chosen action
lossVector = zeros(1,self.nbActions);
lossVector(astAction) = lossScalar;
self.timeStep=self.timeStep+1;
%The weight update step below depends on the learning policy. This will probably be handled by the NN/RL-net
self.weights=self.weights.*(exp(-sqrt(log(self.numActions)/self.timeStep)*lossVector))';