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CoffeeScript, When to use fat arrow (=>) over arrow (->) and vice versa
... Of course it will, but that would fall under "doing it wrong". I have now edited my answer and explain just when a => would be needed on the static/instance methods of a class.
– Alex Wayne
Jan 23 '12 at 0:25
...
Change string color with NSAttributedString?
... simple solution will work with all versions of iOS, not just iOS 6.
But if you needlessly wish to use NSAttributedString, you can do something like this:
UIColor *color = [UIColor redColor]; // select needed color
NSString *string = ... // the string to colorize
NSDictionary *attrs = @{ NSForegr...
What is the difference between self-types and trait subclasses?
...and Scala", you'll get many links, including presentations and videos. For now, here is a link to another question.
Now, as to what is the difference between a self type and extending a trait, that is simple. If you say B extends A, then B is an A. When you use self-types, B requires an A. There ar...
How to get the anchor from the URL using jQuery?
...ar hash = url.substring(url.indexOf("#")+1);
You can give it a try here, if it may not have a # in it, do an if(url.indexOf("#") != -1) check like this:
var url = "www.aaa.com/task1/1.3.html#a_1", idx = url.indexOf("#");
var hash = idx != -1 ? url.substring(idx+1) : "";
If this is the current...
iOS 7 parallax effect in my view controller
...dd both effects to your view
[myBackgroundView addMotionEffect:group];
Swift (Thanks to @Lucas):
// Set vertical effect
let verticalMotionEffect = UIInterpolatingMotionEffect(keyPath: "center.y",
type: .TiltAlongVerticalAxis)
verticalMotionEffect.minimumRelativeValue = -10
verticalMotionEffect.ma...
Using vagrant to run virtual machines with desktop environment
...o |vb|
vb.gui = true
end
Boot the VM and observe the new display window. Now you just need to install and start xfce4. Use vagrant ssh and:
sudo apt-get install xfce4
sudo startxfce4&
If this is the first time you're running this Ubuntu environment, you'll need to run the following command ...
Get MIME type from filename extension
...
Hey pplz MSFT has now implemented it! Check this
– Shimmy Weitzhandler
Jan 1 '13 at 5:32
6
...
Remove specific commit
... rebase, and there are no straightforward examples, and the docs assume I know more than I do.
11 Answers
...
static const vs #define
... don't know exactly what you are getting at with the "static" part though. If you are declaring globally, I'd put it in an anonymous namespace instead of using static. For example
namespace {
unsigned const seconds_per_minute = 60;
};
int main (int argc; char *argv[]) {
...
}
...
How to run a single RSpec test?
...s bee available but there is an Rspec configuration for run filtering - so now you can add this to your spec_helper.rb:
RSpec.configure do |config|
config.filter_run_when_matching :focus
end
And then add a focus tag to the it, context or describe to run only that block:
it 'runs a test', :focu...