Is it possible to plot a matrix of scatter plots with ggplot2 , using ggplot 's nice features like mapping additional factors to color, shape etc. and adding smoother? ...

I am trying to build a histogram of counts... so I create buckets. I know I could just go through and append a bunch of zeros i.e something along these lines: ...

I have an app on Heroku which is being used by few users. However, I notice there are some data issues which i'd like to fix and stop the app in the mean time so users don't enter anything new. ...

How to take database backup using MySQL Workbench? Can we take backup in the following ways- 9 Answers ...

What do I need to do to save an image my program has generated (possibly from the camera, possibly not) to the system photo library on the iPhone? ...

I want to be able to programatically add a new cron job, what is the best way to do this? 18 Answers ...

I just want to know if there's a better solution to parse a number from a character in a string (assuming that we know that the character at index n is a number). ...

I have RSI problems and have tried 30 different computer keyboards which all caused me pain. Playing piano does not cause me pain. I have played piano for around 20 years without any pain issues. I would like to know if there is a way to capture MIDI from a MIDI keyboard and output keyboard stroke...

Is it possible to run one iteration of logrotate manually without scheduling it on some interval? 8 Answers ...

While working with Java, I find it hard to position my main window in the center of the screen when I start the application. ...