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Declare and initialize a Dictionary in Typescript
... true;
}
toLookup(): IDictionary {
return this;
}
}
Now we declare the Person specific type and Dictionary/Dictionary interface. In the PersonDictionary note how we override values() and toLookup() to return the correct types.
interface IPerson {
firstName: string;
la...
Efficient way to determine number of digits in an integer
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Well, the most efficient way, presuming you know the size of the integer, would be a lookup. Should be faster than the much shorter logarithm based approach. If you don't care about counting the '-', remove the + 1.
// generic solution
template <class T>
int nu...
How does #include work in C++? [duplicate]
...iler gcc on mac. .out size => 4248 bytes for both. updating the answer now. :)
– abe312
Jul 28 '18 at 18:09
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How to detect unused methods and #import in Objective-C
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We've been using some homegrown Ruby code, now extracted into a gem called fui: https://github.com/dblock/fui
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fo...
The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead [dupl
...7). Instead, you should take this opportunity to migrate your application now, before it's too late.
Note also that this technique will suppress all E_DEPRECATED messages, not just those to do with the ext/mysql extension: therefore you may be unaware of other upcoming changes to PHP that would af...
What does “exited with code 9009” mean during this build?
...at the PATH environment variable gets lost somehow? I get this error every now and then. I have npm install setup as a pre-build event, and initially it works (so I presume everything is setup), but then randomly it will stop working during the day (generally when switching between solutions / branc...
Find out how much memory is being used by an object in Python [duplicate]
...ld you go about finding out how much memory is being used by an object? I know it is possible to find out how much is used by a block of code, but not by an instantiated object (anytime during its life), which is what I want.
...
Remove header and footer from window.print()
...nal of this answer (May 2013), it only worked on Chrome, not sure about it now, never needed to try again. If you need support for a browser that can't hable, you can create a PDF on the fly and print that (you can create a self-printing PDF embedding JavaScript on it), but that's a huge hassle.
...
Ruby: Calling class method from instance
...lize(make=nil, year=nil)
self.year, self.make = year, make
end
end
Now let's use our class:
t = Truck.new("Honda", 2000)
t.make
# => "Honda"
t.year
# => "2000"
t = Truck.new
t.make
# => "Toyota"
t.year
# => nil
...
A weighted version of random.choice
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Now you got choices method in the random module
– Jitin
Jul 21 at 8:33
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