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Extract first item of each sublist
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201
Using list comprehension:
>>> lst = [['a','b','c'], [1,2,3], ['x','y','z']]
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UnicodeDecodeError: 'ascii' codec can't decode byte 0xd1 in position 2: ordinal not in range(128)
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Ingve
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answered May 2 '12 at 0:21
ch3kach3ka
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What is difference between sjlj vs dwarf vs seh?
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2 Answers
2
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Get Folder Size from Windows Command Line
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123
You can just add up sizes recursively (the following is a batch file):
@echo off
set size=0
for...
Compare two DataFrames and output their differences side-by-side
...lar to Constantine, you can get the boolean of which rows are empty*:
In [21]: ne = (df1 != df2).any(1)
In [22]: ne
Out[22]:
0 False
1 True
2 True
dtype: bool
Then we can see which entries have changed:
In [23]: ne_stacked = (df1 != df2).stack()
In [24]: changed = ne_stacked[ne_stac...
Determine installed PowerShell version
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edited Jan 2 at 7:33
community wiki
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How to retrieve GET parameters from javascript? [duplicate]
...ow.location.search.substr(1)
From your example it will return returnurl=%2Fadmin
EDIT: I took the liberty of changing Qwerty's answer, which is really good, and as he pointed I followed exactly what the OP asked:
function findGetParameter(parameterName) {
var result = null,
tmp = [];...
How do I detect if Python is running as a 64-bit application? [duplicate]
... with the windows registry. Depending on whether you're running python as 32-bit or 64-bit, the key value will be different. How do I detect if Python is running as a 64-bit application as opposed to a 32-bit application?
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Round double in two decimal places in C#?
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This works:
inputValue = Math.Round(inputValue, 2);
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Get index of array element faster than O(n)
... Hash[array.map.with_index.to_a] # => {"a"=>0, "b"=>1, "c"=>2}
hash['b'] # => 1
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