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Global and local variables in R
...pe of variables. For instance, in the following code snippet:
if (x > 10) {
y <- 0
}
else {
y <- 1
}
y remains accessible after the if-else statement.
As you well say, you can also create nested environments. You can have a look at these two links for understanding how to use th...
Appropriate hashbang for Node.js scripts
...tten in Node.
The problem doesn't even seem to exist any more on Ubuntu 14.04; I just purged Node and ran an apt-get install nodejs and it created /usr/bin/node as a symlink to /etc/alternatives/node. People afflicted by this issue are, I suspect, a shrinking minority.
Even if you're targeting Nod...
Suppress echo of command invocation in makefile?
...nswered Apr 1 '12 at 18:38
user405725user405725
6
...
Updating packages in Emacs
...elpful.
– Amelio Vazquez-Reina
Mar 10 '14 at 16:52
I think this needs to call (refresh-package-contents) unconditional...
How can I reference the value of a final static field in the class?
...|
edited Oct 23 '11 at 21:02
answered Oct 23 '11 at 20:36
M...
How do I check whether a jQuery element is in the DOM?
...
Like this:
if (!jQuery.contains(document, $foo[0])) {
//Element is detached
}
This will still work if one of the element's parents was removed (in which case the element itself will still have a parent).
...
Rails: How to list database tables/objects using the Rails console?
...
308
You are probably seeking:
ActiveRecord::Base.connection.tables
and
ActiveRecord::Base.conne...
Getting current unixtimestamp using Moment.js
...using the following JavaScript function: Math.floor(new Date().getTime()/1000) .
4 Answers
...
How do I use Nant/Ant naming patterns?
...
answered Sep 17 '08 at 19:49
benzadobenzado
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How can I edit a view using phpMyAdmin 3.2.4?
...
answered Dec 1 '10 at 23:02
KyleFarrisKyleFarris
16.1k44 gold badges3737 silver badges4040 bronze badges
...