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C# Lambda expressions: Why should I use them?
...# expressions in to the SQL expressions desired for filtering / ordering / etc. on the server side.
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Why doesn't Java allow overriding of static methods?
... are attached to an instance while static methods are attached to a class, etc etc. Still, consider the following code:
public class RegularEmployee {
private BigDecimal salary;
public void setSalary(BigDecimal salary) {
this.salary = salary;
}
public static BigDecimal get...
notifyDataSetChanged example
I'm trying to use in my Android Application the notifyDataSetChanged() method for an ArrayAdapter but it doesn't work for me.
...
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 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
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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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