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Warning message: In `…` : invalid factor level, NA generated
I don't understand why I got this warning message.
5 Answers
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libpthread.so.0: error adding symbols: DSO missing from command line
When I'm compiling openvswitch-1.5.0, I've encountered the following compile error:
14 Answers
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Select the values of one property on all objects of an array in PowerShell
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I think you might be able to use the ExpandProperty parameter of Select-Object.
For example, to get the list of the current directory and just have the Name property displayed, one would do the following:
ls | select -Property Name
Thi...
Java string to date conversion
What is the best way to convert a String in the format 'January 2, 2010' to a Date in Java?
15 Answers
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How to use C++ in Go
In the new Go language, how do I call C++ code? In other words, how can I wrap my C++ classes and use them in Go?
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How to use the same C++ code for Android and iOS?
Android with NDK has support to C/C++ code and iOS with Objective-C++ has support too, so how can I write applications with native C/C++ code shared between Android and iOS?
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What is the purpose of the -m switch?
Could you explain to me what the difference is between calling
3 Answers
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Set Colorbar Range in matplotlib
...ax forces the range for the colors. Here's an example:
import matplotlib as m
import matplotlib.pyplot as plt
import numpy as np
cdict = {
'red' : ( (0.0, 0.25, .25), (0.02, .59, .59), (1., 1., 1.)),
'green': ( (0.0, 0.0, 0.0), (0.02, .45, .45), (1., .97, .97)),
'blue' : ( (0.0, 1.0, ...
How do I compile C++ with Clang?
I have installed Clang by using apt-get in Ubuntu, and I can successfully compile C files using it. However, I have no idea how to compile C++ through it. What do I need to do to compile C++?
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Can you pass parameters to an AngularJS controller on creation?
I have a controller responsible for communicating with an API to update properties of a user, name, email, etc. Each user has an 'id' which is passed from the server when the profile page is viewed.
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