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What are copy elision and return value optimization?
What is copy elision? What is (named) return value optimization? What do they imply?
4 Answers
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Group by multiple columns in dplyr, using string vector input
I'm trying to transfer my understanding of plyr into dplyr, but I can't figure out how to group by multiple columns.
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In a Bash script, how can I exit the entire script if a certain condition occurs?
I'm writing a script in Bash to test some code. However, it seems silly to run the tests if compiling the code fails in the first place, in which case I'll just abort the tests.
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How to create a .gitignore file
I need to add some rules to my .gitignore file. However, I can't find it in my project folder. Isn't it created automatically by Xcode? If not, what command allows me to create one?
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java.io.Console support in Eclipse IDE
I use the Eclipse IDE to develop, compile, and run my Java projects. Today, I'm trying to use the java.io.Console class to manage output and, more importantly, user input.
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What is “Argument-Dependent Lookup” (aka ADL, or “Koenig Lookup”)?
What are some good explanations on what argument dependent lookup is? Many people also call it Koenig Lookup as well.
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How do you maintain development code and production code? [closed]
What are the best practices and rules-of-thumb to follow while maintaining code? Is it good practice to have only the production ready code in the development branch, or should untested latest code be available in the development branch?
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What is the difference between square brackets and parentheses in a regex?
Here is a regular expression I created to use in JavaScript:
3 Answers
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Include constant in string without concatenating
Is there a way in PHP to include a constant in a string without concatenating?
12 Answers
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Why can I add named properties to an array as if it were an object?
The following two different code snippets seem equivalent to me:
7 Answers
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