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How to implement the factory method pattern in C++ correctly
There's this one thing in C++ which has been making me feel uncomfortable for quite a long time, because I honestly don't know how to do it, even though it sounds simple:
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PHP 5.4 Call-time pass-by-reference - Easy fix available?
Is there any way to easily fix this issue or do I really need to rewrite all the legacy code?
3 Answers
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How to plot two histograms together in R?
I am using R and I have two data frames: carrots and cucumbers. Each data frame has a single numeric column which lists the length of all measured carrots (total: 100k carrots) and cucumbers (total: 50k cucumbers).
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How to set current working directory to the directory of the script in bash?
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edited May 23 '17 at 21:46
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Save all files in Visual Studio project as UTF-8
I wonder if it's possible to save all files in a Visual Studio 2008 project into a specific character encoding. I got a solution with mixed encodings and I want to make them all the same (UTF-8 with signature).
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How to get RGB values from UIColor?
I'm creating a color object using the following code.
15 Answers
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Set the value of a variable with the result of a command in a Windows batch file
When working in a Bash environment, to set the value of a variable as the result of a command, I usually do:
5 Answers
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Covariance, Invariance and Contravariance explained in plain English?
...glish and German Wikipedia article, and some other blog posts and articles from IBM.
3 Answers
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What is the difference between a definition and a declaration?
The meaning of both eludes me.
23 Answers
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How to resolve merge conflicts in Git?
How do I resolve merge conflicts in Git?
36 Answers
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