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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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Transpose a data frame
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You'd better not transpose the data.frame while the name column is in it - all numeric values will then be turned into strings!
Here's a solution that keeps numbers as numbers:
# first remember the names
n <- df.aree$name
# transpose all but the first column (name)
df.aree <- as.dat...
How to differentiate between time to live and time to idle in ehcache
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timeToIdleSeconds enables cached object to be kept in as long as it is requested in periods shorter than timeToIdleSeconds. timeToLiveSeconds will make the cached object be invalidated after that many seconds regardless of how many times or when it was requested.
Let's say t...
What is the full path to the Packages folder for Sublime text 2 on Mac OS Lion
I'm not seeing this question anywhere so I can only assume I'm doing something really stupid but...
5 Answers
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How to print a list of symbols exported from a dynamic library
So I've been trying to get dynamic libraries to work in my XCode project under Mac OS X. So far no joy.
4 Answers
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Tmux vs. iTerm2 split panes
...y close iterm2? If you do it really by accident, you want to reopen everything again. With tmux it is normally as simple as reattaching session without losing anything. Most terminal emulators send SIGHUP to all children which terminates them by default and thus you lose unsaved data (at least, shel...
How do you downgrade rubygems?
I have rubygems 1.3.1 installed but I want to go back to 1.2.0. What's the command to downgrade rubygems?
6 Answers
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How can I keep my branch up to date with master with git?
I have a bug fix in my master, and I also want my branch to get that bug fix. What git command do I use?
4 Answers
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Read input from console in Ruby?
I want to write a simple A+B program in ruby, but I have no idea how to work with the console.
5 Answers
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How to customize the background/border colors of a grouped table view cell?
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UPDATE: In iPhone OS 3.0 and later UITableViewCell now has a backgroundColor property that makes this really easy (especially in combination with the [UIColor colorWithPatternImage:] initializer). But I'll leave the 2.0 version of th...