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How to run multiple Python versions on Windows
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136
Running a different copy of Python is as easy as starting the correct executable. You mention t...
NPM - How to fix “No readme data”
...o, when you read that warning, ensure that the problem is not related to a 3rd party package.
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Using async/await for multiple tasks
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int[] ids = new[] { 1, 2, 3, 4, 5 };
Parallel.ForEach(ids, i => DoSomething(1, i, blogClient).Wait());
Although you run the operations in parallel with the above code, this code blocks each thread that each operation runs on. For example, if the ...
Pandas dataframe get first row of each group
...;> df.groupby('id').first()
value
id
1 first
2 first
3 first
4 second
5 first
6 first
7 fourth
If you need id as column:
>>> df.groupby('id').first().reset_index()
id value
0 1 first
1 2 first
2 3 first
3 4 second
4 5 first
5 6...
“Unicode Error ”unicodeescape" codec can't decode bytes… Cannot open text files in Python 3 [duplica
I am using python 3.1, on a windows 7 machines. Russian is the default system language, and utf-8 is the default encoding.
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Python, compute list difference
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373
If the order does not matter, you can simply calculate the set difference:
>>> set([...
How can I multiply all items in a list together with Python?
...t takes
a list of numbers and multiplies them together. Example:
[1,2,3,4,5,6] will give me 1*2*3*4*5*6 . I could really use your help.
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What is the smallest possible valid PDF?
...lt;/Type/Catalog/Pages 2 0 R>>endobj 2 0 obj<</Type/Pages/Kids[3 0 R]/Count 1>>endobj 3 0 obj<</Type/Page/MediaBox[0 0 3 3]>>endobj
xref
0 4
0000000000 65535 f
0000000010 00000 n
0000000053 00000 n
0000000102 00000 n
trailer<</Size 4/Root 1 0 R>>
startxref
1...
Read stream twice
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Captain Man
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answered Feb 29 '12 at 14:59
Paul GrimePaul Grime
...
Plot a legend outside of the plotting area in base graphics?
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113
Maybe what you need is par(xpd=TRUE) to enable things to be drawn outside the plot region. So if...