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Transposing a 2D-array in JavaScript
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210
array[0].map((_, colIndex) => array.map(row => row[colIndex]));
map calls a provided...
Create Pandas DataFrame from a string
... from io import StringIO
import pandas as pd
TESTDATA = StringIO("""col1;col2;col3
1;4.4;99
2;4.5;200
3;4.7;65
4;3.2;140
""")
df = pd.read_csv(TESTDATA, sep=";")
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How to set selected value on select using selectpicker plugin from bootstrap
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How do I parse a string to a float or int?
...222" to its corresponding float value, 545.2222 ? Or parse the string "31" to an integer, 31 ?
28 Answers
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Django in / not in query
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table1.objects.exclude(id__in=
table2.objects.filter(your_condition).values_list('id', fla...
Why is inserting in the middle of a linked list O(1)?
...on linked lists , inserting in the middle of a linked list is considered O(1). I would think it would be O(n). Wouldn't you need to locate the node which could be near the end of the list?
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Bash command to sum a column of numbers [duplicate]
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10 Answers
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How to get Ruby / Homebrew / RVM to work on Yosemite?
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11 Answers
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How can I check if a program exists from a Bash script?
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