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Picking a random element from a set
How do I pick a random element from a set?
I'm particularly interested in picking a random element from a
HashSet or a LinkedHashSet, in Java.
Solutions for other languages are also welcome.
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How to use comments in Handlebar templates?
I am using Handlebar.js as my templating engine. Now I want to comment out some of the blocks in my handlebar templates. But then I realized that Handlebar doesn't ignore the expressions inside the Handlebar comment block. Any workaround for this?
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Find which commit is currently checked out in Git
I'm in the middle of a git bisect session.
5 Answers
5
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Proper way to add svn:executable
I have a few files that have been executable before svn adding them. They have the svn:executable property set. Now, a few other files were checked in without the executable bit do not have it, and I want to set the svn:executable property:
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How to read a single char from the console in Java (as the user types it)?
Is there an easy way to read a single char from the console as the user is typing it in Java? Is it possible? I've tried with these methods but they all wait for the user to press enter key:
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Is there any way to view the currently mapped keys in Vim?
Basically, I'd like to view all of the keys maps made in the current buffer by all of plugins, vimrc, etc, in the current buffer. Is there anyway to do this?
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Efficient evaluation of a function at every cell of a NumPy array
Given a NumPy array A , what is the fastest/most efficient way to apply the same function, f , to every cell?
6 Ans...
passing several arguments to FUN of lapply (and others *apply)
I have a question regarding passing multiple arguments to a function, when using lapply in R .
4 Answers
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What are the differences between .gitignore and .gitkeep?
What are the differences between .gitignore and .gitkeep ? Are they the same thing with a different name, or do they both serve a different function?
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GitHub: searching through older versions of files
I know that using GitHub I can search through all the current versions of my files in a repo. However, I would also like to search through the older versions of my repo files. For example, say, I used to have a function called get_info() in my code, but deleted it several versions ago, is it possibl...