jimrybarski

# standard way
mysqldump my_db -u root -p | gzip -c | cat > my_db.sql.gz

# append a timestamp to the filename
mysqldump my_db -u root -p | gzip -c | cat > my_db-$(date +%Y-%m-%d-%H.%M.%S).sql.gz

jimrybarski

# first line:
# ===========
# user/host (red if root, white if not)
# number of files in the current directory
# total size of files in current directory

# second line:
# ============
# green benzene symbol if previous command succeeded
# solid red hexagon if previous command failed

jimrybarski

# I use this to keep track of things I've done during the day. It's mostly a motivational tool. 
# I find that the fear of a sparse log at the end of the day drives me to look for things I can 
# accomplish in a short period of time.

# Creating an alias for the script is recommended.

# Usage:
# $ ./accomplish.sh refactored the robot-targeting code
# $ ./accomplish.sh
# Fri Aug 27 |     refactored the robot-targeting code

jimrybarski

import os, skimage.io, skimage.exposure, numpy
for dir_name, dir_names, filenames in os.walk("/home/jim/Desktop/experiments/141111/kymograph"):
    for image_name in filenames:
        filename = "/".join([dir_name, image_name])
        original_image = skimage.io.imread(filename)
        enhanced_image = skimage.exposure.rescale_intensity(original_image, in_range=tuple(numpy.percentile(original_image, (2, 98))))
        skimage.io.imsave(filename.split(".")[0] + "_enhanced.png", enhanced_image)

jimrybarski

"""Generic linux daemon base class for python 3.x."""

import sys, os, time, atexit, signal

class daemon:
	"""A generic daemon class.

	Usage: subclass the daemon class and override the run() method."""

	def __init__(self, pidfile): self.pidfile = pidfile