View compareDicts.py
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def compareDicts(d1, d2): | |
differences = [] | |
# present in d1 but not in d2 | |
for key, value in ({k: d1[k] for k in set(d1) - set(d2)}).iteritems(): | |
temp = list[[key, value], None] | |
differences.append(temp) | |
# present in d2 but not in d1 | |
diff2 = {k: d2[k] for k in set(d2) - set(d1)} |
View StringHelpersAndExtensions.cs
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using System; | |
using System.Collections.Generic; | |
using System.ComponentModel; | |
using System.Data; | |
using System.Linq; | |
using System.Reflection; | |
using System.Text; | |
using System.Xml; | |
// The indentation settings in the Gist do not seem to be listening to me. size: 4, mode: tabs, (w)rap: Atlanta hip hop |
View DictCustomSort.py
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>>> chooseFrom | |
{'1': 10.3438090737, '3': 7.73275047259, '2': 12.9046550095, '5': 10.3438090737, '4': 12.9046550095, '7': 7.88437303088, '6': 5.12169187146, '8': 0.0} | |
>>> gh | |
7.73275047259 | |
# reference : http://stackoverflow.com/a/12141207/799593 | |
>>> test = sorted(chooseFrom, key=lambda x:abs(chooseFrom[x]-gh)) | |
>>> test | |
['3', '7', '1', '5', '6', '2', '4', '8'] |
View PythonNumericCustomSort.py
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>>> a=[2, 3, 4, 5, 6, 7, 8] | |
>>> b=[4, 2, 3, 8, 1, 5, 7, 6] | |
>>> sorted(a, key = lambda x: b.index(x)) | |
[4, 2, 3, 8, 5, 7, 6] | |
>>> a=[2, 3, 4, 5, 6, 7, 8, 9] | |
>>> sorted(a, key = lambda x: b.index(x)) | |
Traceback (most recent call last): | |
File "<stdin>", line 1, in <module> | |
File "<stdin>", line 1, in <lambda> | |
ValueError: 9 is not in list |
View FindMostFrequents.py
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import itertools | |
a = [7, 3] | |
b = [3, 1, 2] | |
c = [4, 3, 5] | |
def allEqual(t): | |
same = True | |
View PillowNumpyAddImages.py
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from itertools import izip | |
from PIL import Image | |
import numpy as np | |
def getImageDifference(x, y): | |
diff3 = 1.0 | |
# http://rosettacode.org/wiki/Percentage_difference_between_images#Python | |
if x.size == y.size: | |
pairs = izip(x.getdata(), y.getdata()) |
View KendoUiCoreReferences.html
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<link href="~/Content/kendo/kendo.common.min.css" rel="stylesheet" /> | |
<link href="~/Content/kendo/kendo.default.min.css" rel="stylesheet" /> | |
<script src="~/Scripts/KendoUI/jquery.min.js"></script> | |
<script src="~/Scripts/KendoUI/kendo.core.min.js"></script> | |
<script src="~/Scripts/KendoUI/kendo.ui.core.min.js"></script> |
View SplitCsvString_Advanced
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string str = "Tom Cruise, Scott, ,Bob | at"; | |
IEnumerable<string> names = str | |
.Split(new char[]{',', '|'}) | |
.Where(x=>x!=null && x.Trim().Length > 0) | |
.Select(x=>x.Trim()); |
View code.py
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""" About: | |
img is an OpenCV 2 object. img.shape prints a tuple as (height, width, channels) e.g. (512, 768, 3) | |
We need a tuple as (width, height) e.g. (768, 512) | |
""" | |
import cv2 | |
image_path = './image.jpg' | |
img = cv2.imread(image_path, flags=cv2.CV_LOAD_IMAGE_COLOR) | |
print img.shape # (512, 768, 3) | |
print img.shape[::-1] # (3, 768, 512) |
View np_count_elements.py
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import numpy as np | |
x = np.arange(20).reshape(4,5) | |
y = x % 3 == 0 | |
y = y.astype(int) # optional, if dealing with only 1s and 0s | |
# simple | |
np.count_nonzero(y == 1) # 7 | |
np.count_nonzero(y == 0) # 13 | |
(y == 1).sum() # 7 | |
(y == 0).sum() # 13 |
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