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Is an array an object in java
...Well, let's ask Java!
public class HelloWorld
{
public static void main(String[] args)
{
System.out.println(args instanceof Object);
int[] someIntegers = new int[] {42};
System.out.println(someIntegers instanceof Object);
}
}
Output:
true
true
...
In Eclipse, can I have multiple Console views at once, each showing a different Console?
... in debug mode, log to the console. I'd like to run and debug them from inside of Eclipse, and view the console for each one simultaneously. However, I have a single Console tab that shows a single Console output at a time. Is there a way I can split the consoles into multiple views so that I can ha...
error: writable atomic property cannot pair a synthesized setter/getter with a user defined setter/g
...u declared as atomic (i.e. by omitting the nonatomic keyword), yet you provide an incomplete implementation of how to synchronize access to that property.
To make that warning disappear:
If you declare a @property to be atomic then do one of the following:
use @dynamic or;
use @synthesize and k...
Load data from txt with pandas
I am loading a txt file containig a mix of float and string data. I want to store them in an array where I can access each element. Now I am just doing
...
Rails :dependent => :destroy VS :dependent => :delete_all
In rails guides it's described like this:
4 Answers
4
...
What's the fastest way to merge/join data.frames in R?
...")
# [1] ‘1.7.1’
packageVersion("sqldf")
# [1] ‘0.4.6.4’
R.version.string
# R version 2.15.1 (2012-06-22)
Please note that I don't know plyr well so please do check with Hadley before relying on the plyr timings here. Also note that the data.table do include the time to convert to data.tab...
When to use f:viewAction / preRenderView versus PostConstruct?
...available at the moment the @PostConstruct runs. In JSF 2.0/2.1, this tag didn't exist and you have to use the preRenderView workaround.
If the backing bean is @RequestScoped, do they effectively do the exact same thing? (and so then it is up to developer choice? (@PostConstruct seems "cleaner").
...
How to get anchor text/href on click using jQuery?
Consider I have an anchor which looks like this
5 Answers
5
...
Using vagrant to run virtual machines with desktop environment
...ot this working with basically three steps. The advice from askubuntu.com didn't quite work for me, so try this simplified version:
Get a basic Ubuntu image working. You should be able to boot it and vagrant ssh.
Next, enable the VirtualBox display, which is off by default. Halt the VM and uncomme...
Could not calculate build plan: Plugin org.apache.maven.plugins:maven-resources-plugin:2.5 or one of
...ter sitting on internal network with proxy to the internet. Here's what I did.
0. Check the maven repositiory server is up
1. Check Proxy is set up and working
First I thought it was a proxy problem, I made sure that maven settings.xml contained the proxy settings (settings.xml can exist in two p...