I want to sort a data.frame by multiple columns. For example, with the data.frame below I would like to sort by column z (descending) then by column b (ascending): ...

What is difference between a ControlTemplate and a DataTemplate in WPF? 7 Answers ...

There is enough information about HTML5 on the web (and also on stackoverflow), but now I'm curious about the "best practices". Tags like section/headers/article are new, and everyone has different opinions about when/where you should use these tags. So what do you guys think of the following layout...

What event system for Python do you use? I'm already aware of pydispatcher , but I was wondering what else can be found, or is commonly used? ...

I am learning Python and creating a database connection. While trying to add to the DB, I am thinking of creating tuples out of information and then add them to the DB. ...

In the new Google Maps API for Android, we can add a marker , but there is no way to (easily) remove one. 11 Answers ...

I am using a linear layout to display a pretty light initial screen. It has 1 button that is supposed to centre in the screen both horizontally and vertically. However no matter what I try to do the button will top align centre. I have included the XML below, can some one point me in the right di...

I have bought and I use Windows 7 Ultimate, and I like to use it to develop applications. One of the down sides (as with every OS) is that I can not run Bash scripts. Is there a way to run Bash scripts on Windows by installing some software? It is ok if it does not work 100%, but as long as the most...

I saw the following line in an XML file: 5 Answers 5 ...

How can I convert a 'normal' Git repository to a bare one? 17 Answers 17 ...