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ExecJS::RuntimeError on Windows trying to follow rubytutorial
...PDATE: Colin 's suggestion of removing the line //= require_tree . has fixed the issue.
13 Answers
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How can I obtain an 'unbalanced' grid of ggplots?
... ncol=2)
Edit (07/2015): with v>2.0.0 you can use the layout_matrix argument,
grid.arrange(p,p,p,p, layout_matrix = cbind(c(1,1,1), c(2,3,4)))
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Why can't a text column have a default value in MySQL?
If you try to create a TEXT column on a table, and give it a default value in MySQL, you get an error (on Windows at least). I cannot see any reason why a text column should not have a default value. No explanation is given by the MySQL documentation. It seems illogical to me (and somewhat frustrati...
AngularJS : Why ng-bind is better than {{}} in angular?
...er service
UPDATE 28.11.2014 (but maybe off the topic):
In Angular 1.3x the bindonce functionality was introduced. Therefore you can bind the value of an expression/attribute once (will be bound when != 'undefined').
This is useful when you don't expect your binding to change.
Usage:
Place...
Ball to Ball Collision - Detection and Handling
... b.velocity() += (bcf - bci) * collision;
}
As for efficiency, Ryan Fox is right, you should consider dividing up the region into sections, then doing collision detection within each section. Keep in mind that balls can collide with other balls on the boundaries of a section, so this may make y...
Why is Magento so slow? [closed]
...ration, system config, layout config, etc.) that involve building up giant XML trees in memory and then "querying" those same trees for information. This takes both memory (storing the trees) and CPU (parsing the trees). Some of these (especially the layout tree) are huge. Also, unless caching is...
Queue.Queue vs. collections.deque
... implemented, and not something to be relied upon. That's why Queue.Queue exists in the first place.
– Keith Gaughan
Dec 7 '15 at 14:02
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Run PHP Task Asynchronously
...ete some task, but I don't want to make the user wait for the result. For example, when creating a new account, I need to send them a welcome email. But when they hit the 'Finish Registration' button, I don't want to make them wait until the email is actually sent, I just want to start the process, ...
Spring AOP vs AspectJ
...ave to use LTW (load-time weaving) or the AspectJ compiler.
It uses the Proxy pattern and the Decorator
pattern
Spring-AOP Cons
This is proxy-based AOP, so basically you can only use method-execution joinpoints.
Aspects aren't applied when calling another method within the same class.
There can ...
java.net.URLEncoder.encode(String) is deprecated, what should I use instead?
...Encoder:
URLEncoder.encode(String, String)
The first parameter is the text to encode; the second is the name of the character encoding to use (e.g., UTF-8). For example:
System.out.println(
URLEncoder.encode(
"urlParameterString",
java.nio.charset.StandardCharsets.UTF_8.toString()
)
...