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Is calculating an MD5 hash less CPU intensive than SHA family functions?

Is calculating an MD5 hash less CPU intensive than SHA-1 or SHA-2 on "standard" laptop x86 hardware? I'm interested in general information, not specific to a certain chip. ...
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When to use the brace-enclosed initializer?

...n is not available, see if brace initialization has the correct semantics, and if so, use that; otherwise use parenthesis initialization (if that is also not available, you're out of luck anyway). If the values you are initializing with are a list of values to be stored in the object (like the eleme...
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Optional Parameters with C++ Macros

...s the list of arguments twice, first to form the name of the helper macro, and then to pass the arguments to that helper macro. It uses a standard trick to count the number of arguments to a macro. enum { plain = 0, bold = 1, italic = 2 }; void PrintString(const char* message, int siz...
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Java8: Why is it forbidden to define a default method for a method from java.lang.Object

...e design issues that seems "obviously a good idea" until you start digging and you realize that its actually a bad idea. This mail has a lot on the subject (and on other subjects too.) There were several design forces that converged to bring us to the current design: The desire to keep the i...
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How to implement a rule engine?

...ppet compiles the Rules into fast executable code (using Expression trees) and does not need any complicated switch statements: (Edit : full working example with generic method) public Func<User, bool> CompileRule(Rule r) { var paramUser = Expression.Parameter(typeof(User)); Expression...
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How to check if two arrays are equal with JavaScript? [duplicate]

... @VarunMadiath the last loop goes through every element and compares them. If the arrays are not sorted then it will fail if the order of the items is not exactly the same. – enyo Sep 23 '13 at 15:17 ...
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I need to securely store a username and password in Python, what are my options?

...ll periodically pull information from a 3rd party service using a username and password combo. I don't need to create something that is 100% bulletproof (does 100% even exist?), but I would like to involve a good measure of security so at the very least it would take a long time for someone to break...
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Error-Handling in Swift-Language

... thing I noticed is that there are no exceptions. So how do they do error handling in Swift? Has anyone found anything related to error-handling? ...
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How can I access and process nested objects, arrays or JSON?

I have a nested data structure containing objects and arrays. How can I extract the information, i.e. access a specific or multiple values (or keys)? ...
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What's the difference between deadlock and livelock?

... explain with examples (of code) what is the difference between deadlock and livelock ? 7 Answers ...