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What is your preferred style for naming variables in R? [closed]
Which conventions for naming variables and functions do you favor in R code?
9 Answers
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how can you easily check if access is denied for a file in .NET?
Basically, I would like to check if I have rights to open the file before I actually try to open it; I do not want to use a try/catch for this check unless I have to. Is there a file access property I can check before hand?
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Java: is there a map function?
I need a map function. Is there something like this in Java already?
6 Answers
6
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What does git rev-parse do?
What does git rev-parse do?
3 Answers
3
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Simple and fast method to compare images for similarity
I need a simple and fast way to compare two images for similarity. I.e. I want to get a high value if they contain exactly the same thing but may have some slightly different background and may be moved / resized by a few pixel.
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How can I copy the output of a command directly into my clipboard?
How can I pipe the output of a command into my clipboard and paste it back when using a terminal? For instance:
17 Answers
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What is the difference between @Inject and @Autowired in Spring Framework? Which one to use under wh
I am going through some blogs on SpringSource and in one of the blogs, author is using @Inject and I suppose he can also use @Autowired .
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What is the difference between save and export in Docker?
I am playing around with Docker for a couple of days and I already made some images (which was really fun!). Now I want to persist my work and came to the save and export commands, but I don't fully understand them.
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Foreign key constraint may cause cycles or multiple cascade paths?
I have a problem when I try to add constraints to my tables. I get the error:
9 Answers
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What is a “first chance exception”?
What exactly is a first chance exception? How and where does it originate in a .NET program? And why is it called by that peculiar name (what 'chance' are we talking about)?
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