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How do I execute a command and get the output of the command within C++ using POSIX?
I am looking for a way to get the output of a command when it is run from within a C++ program. I have looked at using the system() function, but that will just execute a command. Here's an example of what I'm looking for:
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How to initialize array to 0 in C?
I need a big null array in C as a global. Is there any way to do this besides typing out
2 Answers
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Convert a character digit to the corresponding integer in C
Is there a way to convert a character to an integer in C?
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What's wrong with using == to compare floats in Java?
According to this java.sun page == is the equality comparison operator for floating point numbers in Java.
21 Answers
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'System.Net.Http.HttpContent' does not contain a definition for 'ReadAsAsync' and no extension metho
I made a console app to consume a Web API I just made. The console app code does not compile. It gives me the compilation error:
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How to get current time with jQuery
The following returns time in microseconds, for example 4565212462.
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How to create circle with Bézier curves?
We have a start point (x, y) and a circle radius. There also exists an engine that can create a path from Bézier curve points.
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Is SQL or even TSQL Turing Complete?
This came up at the office today. I have no plans of doing such a thing, but theoretically could you write a compiler in SQL? At first glance it appears to me to be turing complete, though extremely cumbersome for many classes of problems.
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Is std::vector so much slower than plain arrays?
I've always thought it's the general wisdom that std::vector is "implemented as an array," blah blah blah. Today I went down and tested it, and it seems to be not so:
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Pandas selecting by label sometimes return Series, sometimes returns DataFrame
In Pandas, when I select a label that only has one entry in the index I get back a Series, but when I select an entry that has more then one entry I get back a data frame.
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