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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...
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?
...
jQuery empty() vs remove()
What's the difference between empty() and remove() methods in jQuery , and when we call any of these methods, the objects being created will be destroyed and memory released?
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Html5 data-* with asp.net mvc TextboxFor html attributes
...
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'?
...
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...
What is the proper way to display the full InnerException?
... This includes a load of other crap too, not just the exception message and inner exception messages
– ᴍᴀᴛᴛ ʙᴀᴋᴇʀ
Oct 25 '16 at 14:26
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How do I install Eclipse Marketplace in Eclipse Classic?
...r the Helios Repository is download.eclipse.org/releases/helios - in the standalone version of Adobe ColdFusion Builder 2 which is based on Eclipse 3.6.1, the Helios update repository is not listed.
– Danlance
Jul 8 '11 at 15:06
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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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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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