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Equation (expression) parser with precedence?

... to do this manually, you would have to read the 1, then see the plus and start a whole new recursive parse "session" starting with 11... and make sure to parse the 11 * 5 into its own factor, yielding a parse tree with 1 + (11 * 5). This all feels so painful even to attempt to explain, especially...
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What is the fastest integer division supporting division by zero no matter what the result is?

...443s If zeroes are rare, the -DCHECK=2 version performs badly. As zeroes start appearing more, the -DCHECK=2 case starts performing significantly better. Out of the other options, there really isn't much difference. For -O3, though, it is a different story: Iterations → | 0 | 1 |...
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What is the difference between a strongly typed language and a statically typed language?

...e checked before being executed, and a program might be rejected before it starts. Dynamic typing means that the types of values are checked during execution, and a poorly typed operation might cause the program to halt or otherwise signal an error at run time. A primary reason for static typing i...
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How does a public key verify a signature?

...upon hours learning how elliptic curve cryptography works (here is a great starting point)... OR... You can accept the properties above--just like you accept Newton's 3 laws of motion without needing to derive them yourself. In conclusion, a public/private keypair is created using elliptic curve c...
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What is hashCode used for? Is it unique?

...rovider was based on the System.Collections.IHashCodeProvider interface. Starting with version 2.0, the hash code provider is based on the System.Collections.IEqualityComparer interface. Basically, hash codes exist to make hashtables possible. Two equal objects are guaranteed to have equal h...
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What's your favorite “programmer” cartoon?

...ed this theory during a talk at Google: youtube.com/watch?v=zJOS0sV2a24 -- start at 8:26 or so. The talk is also exciting because Donald Knuth asks the first question! – A. Rex Sep 23 '08 at 1:07 ...
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Adding the “Clear” Button to an iPhone UITextField

... Fix enum type. Must not start from capital letter. – T. Pasichnyk Jun 20 '17 at 11:40 add a comment  |  ...
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Calling generic method with a type argument known only at execution time [duplicate]

...et's leave aside the obvious problems of calling a variable "interface" to start with. You have to call it by reflection. The point of generics is to put more type checking at compile time. You don't know what the type is at compile-time - therefore you've got to use generics. Get the generic meth...
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Executing command line programs from within python [duplicate]

...gram and I'm feeling a little uncomfortable with having the python web app starting new sox processes on my server on a per request basis. ...
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How to get a path to the desktop for current user in C#?

...); // "Sent to" Folder Environment.GetFolderPath(Environment.SpecialFolder.StartMenu); // Start Menu Environment.GetFolderPath(Environment.SpecialFolder.Startup); // Startup Environment.GetFolderPath(Environment.SpecialFolder.System); // System Folder Environment.GetFolderPath(Environment.SpecialFol...