reduc_ind = list(xrange(1, len(x.get_shape())))
By Anonymous, 2017-08-14 18:37:29
import cv2
import numpy as np

cap = cv2.VideoCapture(0)

while (1):

    _, frame = cap.read()

    hsv = cv2.cvtColor(frame, cv2.COLOR_BGR2HSV)

    lower_green = np.array([40, 50, 50])
    upper_green = np.array([80, 102, 200])

    # Threshold the HSV image to get only green colors
    mask = cv2.inRange(hsv, lower_green, upper_green)

    total_pixels = mask.shape[0] * mask.shape[1]
    print "Number of pixels: %", total_pixels

    pixel_counter = 0
    x_counter = 0
    y_counter = 0
    for y in xrange(640):
        for x in xrange(480):
            pixel = mask[x, y]
            if pixel == 255:
                pixel_counter += 1
                x_counter += x
                y_counter += y
    x_center = x_counter / pixel_counter
    y_center = y_counter / pixel_counter
    print x_center, y_center

    cv2.line(frame, (x_center+15, y_center), (x_center+2, y_center), (235, 218, 100), 1)
    cv2.line(frame, (x_center-15, y_center), (x_center-2, y_center), (235, 218, 100), 1)
    cv2.line(frame, (x_center, y_center+15), (x_center, y_center+2), (235, 218, 100), 1)
    cv2.line(frame, (x_center, y_center-15), (x_center, y_center-2), (235, 218, 100), 1)

    cv2.circle(frame, (x_center, y_center), 4, (235, 218, 100), 2)

    cv2.imshow('frame', frame)

    k = cv2.waitKey(5) & 0xFF
    if k == 27:
        break

cv2.destroyAllWindows()

track the green color

By Vik.victory, 2017-06-23 19:10:32
def _take_items_from_list_and_put_them_into_string(self, list):
    string = ''
    for element in list:
        string += element + ','
    if len(string) > 0 and string[-1] == ',':
        string = string[0:-1]
    return string
By JK, 2017-12-13 13:54:43
product = None
for key in dictionary.keys():
	if product is None:
		product = dictionary[key]
	else:
		product = itertools.product(product, dictionary[key])

product = "{0}".format(list(product))
product = re.sub(r"\), \(+", "], [", product)
product = re.sub(r"\(+", "[", product)
product = product.replace(")]", "]]").replace(")", "")
product = ast.literal_eval(product)

Ok, I have a weird array of objects as output of itertools and I need an array of strings... 1 - Convert the array to string 2 - Clean it up with regex and replace 3 - Convert the string to array 4 - Problem solved

By AnonimaPitoni, 2018-09-06 00:27:34
if student_id:
    assignments = Assignment.objects.filter(week__in=weeks)

    unenrolled_students = Wave.objects.filter(week__in=weeks).values_list('unenrolled_students', flat=True)

    # Construct responses based on assignment type
    Assignment.build_assignments_for_weeks(responses, assignments, students, unenrolled_students)
    max_num_assessments = Assessment.build_assessments_for_weeks(responses)
    Comment.build_comments_for_weeks(responses, weeks, students, unenrolled_students)

elif wave_id:
    assignments = Assignment.objects.filter(week__in=weeks)

    unenrolled_students = Wave.objects.filter(week__in=weeks).values_list('unenrolled_students', flat=True)

    # Construct responses based on assignment type
    Assignment.build_assignments_for_weeks(responses, assignments, students, unenrolled_students)
    max_num_assessments = Assessment.build_assessments_for_weeks(responses)
    Comment.build_comments_for_weeks(responses, weeks, students, unenrolled_students)

else:
    # can't happen
    pass
By Anonymous, 2018-03-23 12:46:10
if HOST == 'AdaLovelace' or HOST == 'vbu' or HOST == 'asus':
    urlpatterns += patterns('',
        (r'^site_media/(?P<path>.*)$', 'django.views.static.serve', {'document_root': MEDIA_ROOT}),
    )
By Kadet, 2016-02-14 16:37:32
import cv2
import numpy as np

cap = cv2.VideoCapture(0)

while (1):

    _, frame = cap.read()

    hsv = cv2.cvtColor(frame, cv2.COLOR_BGR2HSV)

    lower_green = np.array([40, 50, 50])
    upper_green = np.array([80, 102, 200])

    # Threshold the HSV image to get only green colors
    mask = cv2.inRange(hsv, lower_green, upper_green)

    total_pixels = mask.shape[0] * mask.shape[1]
    print "Number of pixels: %", total_pixels

    pixel_counter = 0
    x_counter = 0
    y_counter = 0
    for y in xrange(640):
        for x in xrange(480):
            pixel = mask[x, y]
            if pixel == 255:
                pixel_counter += 1
                x_counter += x
                y_counter += y
    x_center = x_counter / pixel_counter
    y_center = y_counter / pixel_counter
    print x_center, y_center

    cv2.line(frame, (x_center+15, y_center), (x_center+2, y_center), (235, 218, 100), 1)
    cv2.line(frame, (x_center-15, y_center), (x_center-2, y_center), (235, 218, 100), 1)
    cv2.line(frame, (x_center, y_center+15), (x_center, y_center+2), (235, 218, 100), 1)
    cv2.line(frame, (x_center, y_center-15), (x_center, y_center-2), (235, 218, 100), 1)

    cv2.circle(frame, (x_center, y_center), 4, (235, 218, 100), 2)

    cv2.imshow('frame', frame)

    k = cv2.waitKey(5) & 0xFF
    if k == 27:
        break

cv2.destroyAllWindows()

track the green color

By Vik.victory, 2017-06-23 19:11:14

def divide(a, b):
    try:
        return a / b
    except:
        x = 17

My smart exception handling before meeting "pass" :))

By mophix, 2017-12-15 18:13:07

    def dow_to_dict_from_self(self):
        # res = {'name': self.name, 'enabled': self.enabled }
        res = {'sun': 0, 'mon': 0, 'tue': 0, 'wed': 0, 'thr': 0, 'fri': 0,
               'sat': 0,
               'enabled': 0, 'dow': 0, 'name': 'untitled'}

        if (int(self.days_of_week) & 0x01) == 0x01:  # sun
            res['sun'] = 1
        if (int(self.days_of_week) & 0x02) == 0x02:  # mon
            res['mon'] = 1
        if (int(self.days_of_week) & 0x04) == 0x04:  # tue
            res['tue'] = 1
        if (int(self.days_of_week) & 0x08) == 0x08:  # wed
            res['wed'] = 1
        if (int(self.days_of_week) & 0x10) == 0x10:  # thr
            res['thr'] = 1
            res['thu'] = 1  # '%a' returns thu for Thursday
        if (int(self.days_of_week) & 0x20) == 0x20:  # fri
            res['fri'] = 1
        if (int(self.days_of_week) & 0x40) == 0x40:  # sat
            res['sat'] = 1
        if (int(
                self.days_of_week) & 0x40) == 0x80:  # enabled # new enable#
            # flag -- duplicate in db
            res['enabled'] = 1

        res['enabled'] = self.enabled  # remove this
        res['dow'] = self.days_of_week
        res['name'] = self.name

        return res

kept the original comments - they're very helpful

By Anonymous, 2018-07-11 19:40:44
def get_first_index_of_array(array):
    """
    this function is very usefull for get first index of array
    """
    return array[0]


assert get_first_index_of_array([1, 2, 3, 4, 5]) == 1
assert get_first_index_of_array([1, 2, 3, 4, 5]) != 2
assert get_first_index_of_array([1, 2, 3, 4, 5]) != 3
assert get_first_index_of_array([1, 2, 3, 4, 5]) != 4
assert get_first_index_of_array([1, 2, 3, 4, 5]) != 4
By Mohammad Hosseini, 2017-12-13 15:29:01
def possibilities():
    alphabets=(n,o,r,t,h,e,a,s,u,w,m,y)
    combinations=list()
    for n in range(9,-1,-1):
            for o in range(9,-1,-1):
                    for r in range(9,-1,-1):
                            for t in range(9,-1,-1):
                                    for h in range(9,-1,-1):
                                            for e in range(9,-1,-1):
                                                    for a in range(9,-1,-1):
                                                            for s in range(9,-1,-1):
                                                                    for u in range(9,-1,-1):
                                                                            for w in range(9,-1,-1):
                                                                                    for m in range(9,-1,-1):
                                                                                            for y in range(9,-1,-1):
                                                                                                    if len(set([n,o,r,t,h,e,a,s,u,w,m,y]))==12:
                                                                                                    north=10000*n + 1000*o +100*r +10*t +h
                                                                                                    east=1000*e +100*a +10*s +t
                                                                                                    south=10000*s + 1000*o +100*u +10*t +h
                                                                                                    west=1000*w + 100*e +10*s +t
                                                                                                    earth= 10000*e + 1000*a + 100*r +10*t +h
                                                                                                    if north +east +south +west == earth:
                                                                                                            combinations.append((north,east,south,west,earth))

    return combinations
By Dusk Code, 2018-04-25 11:47:49
from itertools import combinations as comb
from functools import reduce
  
def all_arrangements(k):
	m=k*(k+1)/2
	m_bits_on=set([tuple(reduce(lambda x,y:x[:y]+[1]+x[y+1:],c,[0]*(2*m+1))) for c in comb(range(2*m+1),m)])
	return set([tuple(sorted(filter(lambda i:i>0,reduce(lambda x,y: x+[y] if y==0 else x[:-1]+[x[-1]+1,],p,[0])))) for p in m_bits_on])

Returns all arrangements in the Bulgarian solitaire game with k piles https://en.wikipedia.org/wiki/Bulgarian_solitaire

By Uri Goren, 2017-12-13 11:48:22
zipped_file.extractall(f'{file_path}')
zipped_file.close()
By Anonymous, 2017-12-19 10:29:52
# troche rak, ale jeszcze to jakos poprawie. JAKOS.
try:
    if field.related.parent_model._meta.module_name == u"userprofile":
        new = u"%s" % getattr(obj, field.name).get_full_name()
        original = u"%s" % getattr(org_obj, field.name).get_full_name()
    else:
        raise Exception('to mialo tak zrobic jak cos')
except:
    ...

code written on the train, wtf I was thinking about?!

By chleb, 2015-10-28 16:25:42
def open(self, *filename):
	if len(filename) > 1:
		print(("Usage:\nopen() - opens with the initialized "
			"filename\nopen(filename) - opens with given filename"))
		return 1
	if len(filename) == 1:
		self.filename = filename[0]
	if self.filename is None:
		print("No filename given")
		return 1
	self.struct_p = open_struct(self.last_error, self.error_size, \
		self.filename)
	if self.struct_p is None:
		print("Cannot open file: " + self.filename)
		return 1
	self.load_data()
	return 0
By Anonymous, 2017-12-12 03:26:17