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Programmatically creating Markdown tables in R with KnitR
...st starting to learn about KnitR and the use of Markdown in generating R documents and reports. This looks to be perfect for a lot of the day to day reporting that I have to do with my job. However, one thing that I'm not seeing is an easy way to print data frames and tables using Markdown formattin...
python list by value not by reference [duplicate]
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Connecting overloaded signals and slots in Qt 5
...tting to grips with the new signal/slot syntax (using pointer to member function) in Qt 5, as described in New Signal Slot Syntax . I tried changing this:
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How do getters and setters work?
I'm from the php world. Could you explain what getters and setters are and could give you some examples?
6 Answers
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In C++, is it still bad practice to return a vector from a function?
Short version: It's common to return large objects—such as vectors/arrays—in many programming languages. Is this style now acceptable in C++0x if the class has a move constructor, or do C++ programmers consider it weird/ugly/abomination?
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When should I use the new keyword in C++?
I've been using C++ for a short while, and I've been wondering about the new keyword. Simply, should I be using it, or not?
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How can I use map and receive an index as well in Scala?
Is there any List/Sequence built-in that behaves like map and provides the element's index as well?
8 Answers
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Handle Guzzle exception and get HTTP body
...ke to handle errors from Guzzle when the server returns 4xx and 5xx status codes. I make a request like this:
5 Answers
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How to pick a new color for each plotted line within a figure in matplotlib?
I'd like to NOT specify a color for each plotted line, and have each line get a distinct color. But if I run:
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Check if a String contains numbers Java
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