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Memoization in Haskell?
...[0..].) It works searches the tree by treating n as a string of bits, and reading through the bits in reverse. If the bit is 1, it takes the right-hand branch. If the bit is 0, it takes the left-hand branch. It stops when it reaches the last bit (which must be a 1).
index' (Tree l m r) 1 = m
in...
Understanding prototypal inheritance in JavaScript
...Car constructor? Don't want to repeat ourselves. Since Car sets the name already, let's just call it.
function SuperCar(name){
this = Car(name);
}
Whoops, you never want to change the special this object reference. Remember the 4 steps? Hang onto that object that JavaScript gave you, because ...
Does ruby have real multithreading?
I know about the "cooperative" threading of ruby using green threads . How can I create real "OS-level" threads in my application in order to make use of multiple cpu cores for processing?
...
source of historical stock data [closed]
...() + "/quotes.csv");
File.Delete("quotes.csv");
Thread.Sleep(10000); // 10 seconds
}
}
catch (Exception exc)
{
Console.WriteLine(exc.ToString());
Console.ReadKey();
}
}
Database:
On the database side I use an OleDb connection to the ...
user authentication libraries for node.js?
... for two reasons:
IMHO breaks connect-auth the very powerful and easy to read onion-ring architecture of connect. A no-go - my opinion :).
You can find a very good and short article about how connect works and the onion ring idea here.
If you - as written - just want to use a basic or http login ...
What is more efficient? Using pow to square or just multiply it with itself?
...ut of the loop, as I thought it would. I guess since errno is a global, thread safety requires that it call pow to possibly set errno multiple times... exp=1 and exp=2 are fast because the pow call is hoisted out of the loop with just -O3.. (with -ffast-math, it does the sum-of-8 outside the loop, ...
How can I search for a commit message on GitHub?
... I get a permission error when searching a private repo I have read / write access to.
– anon58192932
Dec 13 '17 at 19:17
1
...
Strange, unexpected behavior (disappearing/changing values) when using Hash default value, e.g. Hash
...etween this method and the others: this way assigns the default value upon reading (as the assignment always happens inside the block). For example:
h1 = Hash.new { |h, k| h[k] = [] }
h1[:x]
h1 #=> {:x=>[]}
h2 = Hash.new { [] }
h2[:x]
h2 #=> {}
The immutable way
You may be wondering ...
Sometimes adding a WCF Service Reference generates an empty reference.cs
... newer, updated types from what I had in the shared assembly. This was not readily apparent because the type mentioned in the exception appeared to be the same. What was different was one of the nested complex types used by the type.
There are other more complex scenarios that may trigger this type...
How to know if other threads have finished?
... have an object with a method named StartDownload() , that starts three threads.
12 Answers
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