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Using comparison operators in Scala's pattern matching system
....e. an if and a boolean expression after the pattern:
a match {
case 10 => println("ten")
case x if x > 10 => println("greater than ten")
case _ => println("less than ten")
}
Edit: Note that this is more than superficially different to putting an if after the =>, becaus...
How to declare array of zeros in python (or an array of a certain size) [duplicate]
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10 Answers
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In git, is there a way to show untracked stashed files without applying the stash?
...er, said untracked files don't show up at all with git stash show stash@{0} . Is there any way to show untracked stashed files without applying the stash?
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List of installed gems?
... Gem::Requirement.default)
specs = Gem.source_index.search(dep)
puts specs[0..5].map{ |s| "#{s.name} #{s.version}" }
# >> Platform 0.4.0
# >> abstract 1.0.0
# >> actionmailer 3.0.5
# >> actionpack 3.0.5
# >> activemodel 3.0.5
# >> activerecord 3.0.5
Here's an ...
Stubbing a class method with Sinon.js
...ensor.prototype.
sinon.stub(Sensor, "sample_pressure", function() {return 0})
is essentially the same as this:
Sensor["sample_pressure"] = function() {return 0};
but it is smart enough to see that Sensor["sample_pressure"] doesn't exist.
So what you would want to do is something like these:
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Is there an equivalent for var_dump (PHP) in Javascript?
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220
As the others said, you can use Firebug, and that will sort you out no worries on Firefox. Chrom...
How can I check if character in a string is a letter? (Python)
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AMC
2,22966 gold badges1010 silver badges2828 bronze badges
answered Mar 21 '13 at 21:24
rainerrainer
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Scala constructor overload?
...tructors in Scala must either call the primary constructor (as in landon9720's) answer, or another auxiliary constructor from the same class, as their first action. They cannot simply call the superclass's constructor explicitly or implicitly as they can in Java. This ensures that the primary constr...
Algorithm to get the excel-like column name of a number
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jQuery: checking if the value of a field is null (empty)
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170
The value of a field can not be null, it's always a string value.
The code will check if the st...