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Catching error codes in a shell pipe
...e simple version of that is:
tmp=${TMPDIR:-/tmp}/mine.$$
if ./a > $tmp.1
then
if ./b <$tmp.1 >$tmp.2
then
if ./c <$tmp.2
then : OK
else echo "./c failed" 1>&2
fi
else echo "./b failed" 1>&2
fi
else echo "./a failed" 1>&...
Qt: can't find -lGL error
...
157
You should install package "libgl1-mesa-dev":
sudo apt install libgl1-mesa-dev
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Numpy - add row to array
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122
What is X? If it is a 2D-array, how can you then compare its row to a number: i < 3?
EDIT ...
Why does parseInt yield NaN with Array#map?
...of the element.
In this case, you ended up calling parseInt with radix 0, 1 and 2 in turn. The first is the same as not supplying the parameter, so it defaulted based on the input (base 10, in this case). Base 1 is an impossible number base, and 3 is not a valid number in base 2:
parseInt('1', 0...
jQuery 1.9 .live() is not a function
I recently updated jQuery from 1.8 to 2.1. I suddenly discovered that the .live() stops working.
I get the error TypeError: $(...).live is not a function .
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List of all index & index columns in SQL Server DB
... |
edited Sep 24 at 2:11
jswolf19
2,2771414 silver badges1515 bronze badges
answered Apr 19 '09 at 1...
How to disassemble one single function using objdump?
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answered Apr 1 '14 at 1:47
Tom TromeyTom Tromey
18.1k3535 silver badges5454 bronze badges
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Add column with constant value to pandas dataframe [duplicate]
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21
The reason this puts NaN into a column is because df.index and the Index of your right-hand-side...