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Copy a variable's value into another
I have a variable which has a JSON object as its value. I directly assign this variable to some other variable so that they share the same value. This is how it works:
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Overriding superclass property with different type in Swift
...n Swift, can someone explain how to override a property on a superclass's with another object subclassed from the original property?
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Overriding a Rails default_scope
If I have an ActiveRecord::Base model with a default-scope:
9 Answers
9
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Use of alloc init instead of new
...a bunch of reasons here: http://macresearch.org/difference-between-alloc-init-and-new
Some selected ones are:
new doesn't support custom initializers (like initWithString)
alloc-init is more explicit than new
General opinion seems to be that you should use whatever you're comfortable with.
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How to list the properties of a JavaScript object?
...eys.push(key);
}
return keys;
}
Alternatively replace var getKeys with Object.prototype.keys to allow you to call .keys() on any object. Extending the prototype has some side effects and I wouldn't recommend doing it.
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The Web Application Project […] is configured to use IIS. The Web server […] could not be found.
...rsion's folder in C:\(Windows)\Microsoft.NET\Framework\(dotnetver)\
(substituting the bracketed folders for the right folders on your PC) and run this command
aspnet_regiis.exe -i
Next once that's run and finished, sometimes running
iisreset
from the command line helps, sometimes you don't ne...
In C/C++ what's the simplest way to reverse the order of bits in a byte?
While there are multiple ways to reverse bit order in a byte, I'm curious as to what is the "simplest" for a developer to implement. And by reversing I mean:
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Why does Math.Floor(Double) return a value of type Double?
... I need to get the value 4 from 4.6. I tried using Math.Floor function but it's returning a double value, for ex: It's returning 4.0 from 4.6. The MSDN documentation says that it returns an integer value. Am I missing something here? Or is there a different way to achieve what I'm looking for?
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Find nearest latitude/longitude with an SQL query
I have latitude and longitude and I want to pull the record from the database, which has nearest latitude and longitude by the distance, if that distance gets longer than specified one, then don't retrieve it.
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How are msys, msys2, and msysgit related to each other?
...rching around, but I can't find a thorough description of what's going on with these 3 versions of MSYS. (It's entirely possible I just don't know what to look for.) I do understand that MSYS is a minimal port of Linux tools to support development using MinGW, but I'm not clear on the relationship b...