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Algorithm to find Largest prime factor of a number

... 134 Actually there are several more efficient ways to find factors of big numbers (for smaller ones...
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Pandas percentage of total with groupby

...d np.random.seed(0) df = pd.DataFrame({'state': ['CA', 'WA', 'CO', 'AZ'] * 3, 'office_id': list(range(1, 7)) * 2, 'sales': [np.random.randint(100000, 999999) for _ in range(12)]}) state_office = df.groupby(['state', 'office_id']).agg...
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Filter dataframe rows if value in column is in a set list of values [duplicate]

... 663 Use the isin method: rpt[rpt['STK_ID'].isin(stk_list)] ...
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How do I change Bootstrap 3 column order on mobile layout?

...ith a top fixed navbar. Underneath I have two columns, one for a sidebar (3), and one for content (9). Which on desktop looks like this ...
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Understanding how recursive functions work

... answered Sep 5 '14 at 0:43 Catfish_ManCatfish_Man 38.6k1111 gold badges6363 silver badges8181 bronze badges ...
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How to use the 'sweep' function

... edited Jul 25 '19 at 10:13 Rekyt 34411 silver badge88 bronze badges answered May 3 '11 at 17:52 ...
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Apache Spark: map vs mapPartitions?

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Which is faster in Python: x**.5 or math.sqrt(x)?

... 93 math.sqrt(x) is significantly faster than x**0.5. import math N = 1000000 %%timeit for i in r...
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Using awk to print all columns from the nth to the last

... | edited Apr 8 '15 at 13:01 fedorqui 'SO stop harming' 212k7373 gold badges432432 silver badges485485 bronze badges ...
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Access an arbitrary element in a dictionary in Python

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