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Adding a column to a data.frame
...f h_no 1,2,3,4 is class 1, the second series of h_no (1 to 7) is class 2 etc. such as indicated in the last column.
7 Ans...
Cartesian product of x and y array points into single array of 2D points
... to bugs if you expect the cartesian product to be constructed in the same order for arrays of the same size.
– tlnagy
Jul 27 '15 at 18:35
...
Interface naming in Java [closed]
... be using interfaces to model behavior, actions, capabilities, properties, etc,... not types.
Also, If you were really only going to make one User and call it User then what's the point of also having an IUser interface? And if you are going to have a few different types of users that need to im...
Checking in packages from NuGet into version control?
...wnload location changes, or for some odd reason it is no longer available, etc. Or more likely what if there is some slight change to the package that is later re-downloaded and it breaks the build? That would have been avoided if everything needed to build the project was in source control.
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Git Server Like GitHub? [closed]
... setting proper local-server backup strategies, administrating the server, etc.
– atmosx
Jun 25 '15 at 5:24
Can't you ...
How to write to a file in Scala?
...se a helper function:
/**
* Used for reading/writing to database, files, etc.
* Code From the book "Beginning Scala"
* http://www.amazon.com/Beginning-Scala-David-Pollak/dp/1430219890
*/
def using[A <: {def close(): Unit}, B](param: A)(f: A => B): B =
try { f(param) } finally { param.clos...
How does autowiring work in Spring?
... to that context. Web applications have a Servlet, JSF uses a el-resolver, etc. Also, there is a place where the application context is bootstrapped and all beans - autowired. In web applications this can be a startup listener.
Autowiring happens by placing an instance of one bean into the desired ...
How can I get the external SD card path for Android 4.0+?
...
In order to retrieve all the External Storages (whether they are SD cards or internal non-removable storages), you can use the following code:
final String state = Environment.getExternalStorageState();
if ( Environment.MEDIA_...
Is Response.End() considered harmful?
...esponse.end so for other searches like myself who wish to post CSV/XML/PDF etc in response to an event without rendering the entire ASPX page, this is how I do it. (overriding the render methods is overly complex for such a simple task IMO)
// Add headers for a csv file or whatever
Response.Content...
What's the absurd function in Data.Void useful for?
...
agda is, generally speaking, total and so the evaluation order is not observable. There is no closed agda term of the empty type unless you turn off the termination checker or something like that
– Philip JF
Oct 27 '15 at 2:13
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