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Which access modifiers are implied when not specified?
...oncepts that support access modifiers, such as fields, properties, methods and classes, which access modifiers are implied if not specified?
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Passing a method as a parameter in Ruby
...ult argument in a block declaration like that. So you need to use a splat and setup the default in the proc code itself.
Or, depending on your scope of all this, it may be easier to pass in a method name instead.
def weightedknn(data, vec1, k = 5, weightf = :gaussian)
...
weight = self.send...
Html5 data-* with asp.net mvc TextboxFor html attributes
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You could use underscore (_) and the helper is intelligent enough to do the rest:
@Html.TextBoxFor(
model => model.Country.CountryName,
new { data_url = Url.Action("CountryContains", "Geo") }
)
And for those who want to achieve the same in...
Best way to serialize an NSData into a hexadeximal string
...alString];
This is "probably" better than calling [someData description] and then stripping the spaces, <'s, and >'s. Stripping characters just feels too "hacky". Plus you never know if Apple will change the formatting of NSData's -description in the future.
NOTE: I have had people reach ou...
What is the difference between 'log' and 'symlog'?
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I finally found some time to do some experiments in order to understand the difference between them. Here's what I discovered:
log only allows positive values, and lets you choose how to handle negative ones (mask or clip).
symlog means symmetrical log, and allows positive and negative valu...
Make a negative number positive
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The concept you are describing is called "absolute value", and Java has a function called Math.abs to do it for you. Or you could avoid the function call and do it yourself:
number = (number < 0 ? -number : number);
or
if (number < 0)
number = -number;
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Is HTML5 localStorage asynchronous?
...illa localstorage docs, but it looks like they've been revised since then (and the W3 spec doesn't appear to require sync/async anywhere). At this point, I'd say localstorage calls are synchronous by convention but not by spec. Unless you're aware of a browser that's implemented it async?
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How do I filter an array with AngularJS and use a property of the filtered object as the ng-model at
If I have an array of objects, and I want to bind the Angular model to a property of one of the elements based on a filter, how do I do that? I can explain better with a concrete example:
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Correct approach to global logging in Golang
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Create a single log.Logger and pass it around?
That is possible. A log.Logger can be used concurrently from multiple goroutines.
Pass around a pointer to that log.Logger?
log.New returns a *Logger which is usually an indication that yo...
What are some compelling use cases for dependent method types?
...perimental feature before, has now been enabled by default in the trunk , and apparently this seems to have created some excitement in the Scala community.
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