danielthiel

% clear workspace
clear           % erase variables from matlab workspace without saving
clc             % clear command window
close all       % close all figures windows wihtout saving 
bdclose all     % close all simulink models without saving

danielthiel

"""
by: Peter Norvig
http://norvig.com/python-iaq.html
"""

def timer(fn, *args):
    "Time the application of fn to args. Return (result, seconds)."
    import time
    start = time.clock()
    return fn(*args), time.clock() - start

danielthiel

; Remap Umlaute
; http://www.autohotkey.com/
; 2015-04-21
SetCapsLockState AlwaysOff
Capslock::RAlt
>!+a::
   Send, Ä
Return
>!+u::
   Send, Ü

danielthiel

import datetime
import math


def round_up_minutes(dt=None, minute_factor=60):
    """ Round up the minutes of a datetime object to any minute factor
    dt : datetime.datetime object, default now.
    minute_factor : number to which closest factor the minutes will round up
    with minute_factor = 15 it would round up to the closest quarter hour (0, 15, 30, 45)
    with minute_factor = 60 it would always round up to the next full hour

danielthiel

[program:myconf]
command=/root/to/my/folder/startup.py
directory=/root/to/my/folder/
user=myusername

danielthiel

from __future__ import print_function
import datetime

from sqlalchemy import create_engine
from sqlalchemy import Column, DateTime, Integer
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker


# connect to an database:

danielthiel

Thiel's Fotografie Cheat Sheet

Von einem Anfänger der in die Fotografie rein kommen will.

Begriffe

Schärfentiefe

auch ST, der Bereich nach hinten (z-Achse) der scharf ist im Bild

danielthiel

"""
found here: http://amiest-devblog.blogspot.de/2008/08/how-to-crop-images-with-opencv-in.html
opencv: http://opencv.org/
"""

cropped = cvCreateImage( cvSize(new_width, new_height), 8, 3)
src_region = cvGetSubRect(image, opencv.cvRect(left, top, new_width, new_height) )
cvCopy(src_region, cropped)

danielthiel

def kwargs_test(**kwargs):
    print('search for keyword >foo<: {0}'.format(kwargs.get('foo') or 'nope...'))


if __name__ == "__main__":
    kwargs_test(foo='success')
    kwargs_test(bar='you dont see this')

danielthiel

import json
import datetime
import decimal

class MyJsonEncoder(json.JSONEncoder):
    """ JSON Encoder with serializer for dates and decimal numbers """
    def default(self, obj):
        if isinstance(obj, datetime.datetime):
            return str(obj.isoformat())
        elif isinstance(obj, datetime.time):