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Missing include “bits/c++config.h” when cross compiling 64 bit program on 32 bit in Ubuntu
...unning the 32bit version of Ubuntu 10.10 and trying to cross compile to a 64 bit target. Based on my research, I have installed the g++-multilib package.
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Html table tr inside td
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edited Sep 22 '16 at 14:09
answered Jun 13 '13 at 13:57
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PyCharm shows unresolved references error for valid code
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24 Answers
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Active
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How to map and remove nil values in Ruby
...s = [1, 2, 5, 8, 10, 13]
enum.filter_map { |i| i * 2 if i.even? }
# => [4, 16, 20]
In your case, as the block evaluates to falsey, simply:
items.filter_map { |x| process_x url }
"Ruby 2.7 adds Enumerable#filter_map" is a good read on the subject, with some performance benchmarks against some...
How does the bitwise complement operator (~ tilde) work?
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44
One other thing maybe to mention is that the flip is called 1s complement, before adding the 1.
– Chris S
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The type or namespace name 'DbContext' could not be found [closed]
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answered May 18 '11 at 17:24
ShazShaz
2,64411 gold badge1919 silver badges2121 bronze badges
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ipython reads wrong python version
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148
Okay quick fix:
which python
gives you /usr/bin/python, right? Do
which ipython
and I be...
How do I achieve the theoretical maximum of 4 FLOPs per cycle?
How can the theoretical peak performance of 4 floating point operations (double precision) per cycle be achieved on a modern x86-64 Intel CPU?
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How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting
... 19, 30, 35, 51])
>>> numpy.polyfit(numpy.log(x), y, 1)
array([ 8.46295607, 6.61867463])
# y ≈ 8.46 log(x) + 6.62
For fitting y = AeBx, take the logarithm of both side gives log y = log A + Bx. So fit (log y) against x.
Note that fitting (log y) as if it is linear will emphasize sm...
Visual Studio (2008) 'Clean Solution' Option
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edited Oct 21 '08 at 13:14
harriyott
10k88 gold badges6060 silver badges100100 bronze badges
answered O...