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Why are Subjects not recommended in .NET Reactive Extensions?
...or support dev guess at WTF was going on. When you use the Create/Generate etc methods you are localizing the effects on the sequence. You can see it all in one method and you know no-one else is throwing in a nasty side effect. If I see a subject fields I now have to go looking for all the places i...
R object identification
...t(d=1:26, e=letters))
data(cars)
obj <- lm(dist ~ speed, data=cars)
..etc.
If obj is an S3 or S4 object, you can also try methods or showMethods, showClass, etc. Patrick Burns' R Inferno has a pretty good section on this (sec #7).
EDIT: Dirk and Hadley mention str(obj) in their answers. It ...
Difference between app.use and app.get in express.js
...l of them and regardless of HTTP verb used:
GET /
PUT /foo
POST /foo/bar
etc.
app.get(), on the other hand, is part of Express' application routing and is intended for matching and handling a specific route when requested with the GET HTTP verb:
GET /
And, the equivalent routing for your exa...
Why should I use IHttpActionResult instead of HttpResponseMessage?
...ide those convenient helper methods of ApiController such as Ok, NotFound, etc.
Basically, I think a class implementing IHttpActionResult as a factory of HttpResponseMessage. With that mind set, it now becomes an object that need to be returned and a factory that produces it. In general programming...
What Haskell representation is recommended for 2D, unboxed pixel arrays with millions of pixels?
...dexing and unboxed pixels with arbitrary precision (Double, Float, Word16, etc..)
all essential functions like map, fold, zipWith, traverse ...
support for various color spaces: RGB, HSI, gray scale, Bi-tonal, Complex, etc.
common image processing functionality:
Binary morphology
Convolution
Inter...
What is a JavaBean exactly?
...ytes. Those bytes can be stored in files, sent over a network connection, etc, and have enough info to allow a JVM (at least, one that knows about the object's type) to reconstruct the object later -- possibly in a different instance of the application, or even on a whole other machine!
Of course,...
Compare two files in Visual Studio
...his diff tool provide any useful feature like copy to left, copy to right, etc? When I diff working copy with the server version I sometimes wish to undo some of the changes and has to do manual copy pasting.
– Samuel
Feb 12 '14 at 10:24
...
Add EBS to Ubuntu EC2 Instance
...ata that was on this volume previously.
Mount file system (with update to /etc/fstab so it stays mounted on reboot):
sudo mkdir -m 000 /vol
echo "/dev/xvdf /vol auto noatime 0 0" | sudo tee -a /etc/fstab
sudo mount /vol
s...
How to activate JMX on my JVM for access with jconsole?
...warded the ports when running the docker image: -p 9998:9998, -p 9999:9999 etc.
– Barney
Aug 6 '19 at 3:23
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Spring vs EJB. Can Spring replace EJB? [closed]
....
Spring ports easily between app servers (e.g., WebLogic, Tomcat, JBOSS, etc.) because it doesn't depend on them.
However, you are locked into Spring.
Spring encourages good OO design practices (e.g., interfaces, layers, separation of concerns) that benefit any problem they touch, even if you de...