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Compare if BigDecimal is greater than zero
...omplete comment! I should at least write a proof of the arguments, my bad. Now I was looking for what happened, because I remember that I had to change things from "signum" to "compareTo" and I have no idea why. It was probably my mistake, as I did several tests now and I didn't find any problems wi...
Play audio from a stream using C#
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The NAudio library is now shipping with an example application called Mp3StreamingDemo which should provide everything one will need to live stream an MP3 from the network.
– Martin
Nov 19 '13 at 7:35
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Homebrew install specific version of formula?
...Library/Formula/postgresql.rb
$ brew install postgresql
# … installing
Now that the older postgresql version is installed, we can re-install the latest formula in order to keep our repository clean:
$ git checkout -- Library/Formula/postgresql.rb
brew switch is your friend to change between t...
The following untracked working tree files would be overwritten by merge, but I don't care
...ith the following:
-x ignored files are also removed as well as files unknown to Git.
-d remove untracked directories in addition to untracked files.
-f is required to force it to run.
Here is the link that can be helpful as well.
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How to properly document S4 class slots using Roxygen2?
... answer for Roxygen2 5.0.1, current as of 6.0.1
For S4, the best practice now is documenting using the @slot tag:
#' The title for my S4 class that extends \code{"character"} class.
#'
#' Some details about this class and my plans for it in the body.
#'
#' @slot myslot1 A logical keeping track of ...
R memory management / cannot allocate vector of size n Mb
...to a minimum when you need to make objects of this size. Use gc() to clear now unused memory, or, better only create the object you need in one session.
If the above cannot help, get a 64-bit machine with as much RAM as you can afford, and install 64-bit R.
If you cannot do that there are many o...
When to use -retainCount?
I would like to know in what situation did you use -retainCount so far, and eventually the problems that can happen using it.
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Why doesn't Ruby support i++ or i-- (increment/decrement operators)?
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One reason is that up to now every assignment operator (i.e. an operator which changes a variable) has a = in it. If you add ++ and --, that's no longer the case.
Another reason is that the behavior of ++ and -- often confuse people. Case in point: ...
Difference between declaring variables before or in loop?
...: .067 sec
To my surprise B was slightly faster.
As fast as computers are now its hard to say if you could accurately measure this.
I would code it the A way as well but I would say it doesn't really matter.
share
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Build fat static library (device + simulator) using Xcode and SDK 4+
... files, PLIST files etc from your library!) - see below (scroll to bottom)
now supports iPhone5 (using Apple's workaround to the bugs in lipo). NOTE: the install instructions have changed (I can probably simplify this by changing the script in future, but don't want to risk it now)
"copy headers" se...