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SSL Error When installing rubygems, Unable to pull data from 'https://rubygems.org/
I am trying to do the Michael Hartl tutorial. When I attempt to install rails 3.2.14 in my gemset, I get the following issue:
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to_string is not a member of std, says g++ (mingw)
I am making a small vocabulary remembering program where words would would be flashed at me randomly for meanings. I want to use standard C++ library as Bjarne Stroustroup tells us, but I have encountered a seemingly strange problem right out of the gate.
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How do I convert uint to int in C#?
How do I convert uint to int in C#?
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What is InputStream & Output Stream? Why and when do we use them?
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Why does integer division in C# return an integer and not a float?
Does anyone know why integer division in C# returns an integer and not a float?
What is the idea behind it? (Is it only a legacy of C/C++?)
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How can I format my grep output to show line numbers at the end of the line, and also the hit count?
I'm using grep to match string in a file. Here is an example file:
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Can anyone explain this strange behavior with signed floats in C#?
Here is the example with comments:
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Reloading submodules in IPython
Currently I am working on a python project that contains sub modules and uses numpy/scipy. Ipython is used as interactive console. Unfortunately I am not very happy with workflow that I am using right now, I would appreciate some advice.
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Problems with pip install numpy - RuntimeError: Broken toolchain: cannot link a simple C program
I'm trying to install numpy (and scipy and matplotlib) into a virturalenv.
11 Answers
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Move assignment operator and `if (this != &rhs)`
In the assignment operator of a class, you usually need to check if the object being assigned is the invoking object so you don't screw things up:
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