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Algorithm to generate a crossword

...the previous steps can just be done once. First step of the algorithm is select an empty wordslot (grid word) at random and fill it with a candidate word from its associated wordlist (randomization enables to produce different solutons in consecutive executions of the algorithm) ( complexity O(1)...
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How do I determine the size of an object in Python?

... and module Class Tracker provides off-line analysis of the lifetime of selected Python objects. share | improve this answer | follow | ...
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Why doesn't TFS get latest get the latest?

... have made locally. If you find yourself using "Get Specific Version" and selecting the "force" and "overwrite" options, then it is very likely that you are in the habit of bypassing all of the enforcements that TFS has implemented to keep you from hurting yourself, and you should probably consider...
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How do you convert a byte array to a hexadecimal string, and vice versa?

... } return result; } static uint[] _Lookup32 = Enumerable.Range(0, 255).Select(i => { string s = i.ToString("X2"); return ((uint)s[0]) + ((uint)s[1] << 16); }).ToArray(); static string ByteArrayToHexViaLookupPerByte(byte[] bytes) { var result = new char[bytes.Length * 2]; ...
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How to find the kth smallest element in the union of two sorted arrays?

...ithmic. (Here we are getting rid of half). In order to do that, we need to select one array whose one of the halves we can safely ignore. How do we do that? By confidently eliminating the half we know for sure is not going to have the kth element. – lambdapilgrim ...
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How to implement a rule engine?

..."Contains", "C#" ) }; // compile the rules once var compiledRules = rules.Select(r => CompileRule(r)).ToList(); public bool MatchesAllRules(User user) { return compiledRules.All(rule => rule(user)); } Here is the implementation of BuildExpr: Expression BuildExpr(Rule r, ParameterExpress...
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What are the most widely used C++ vector/matrix math/linear algebra libraries, and their cost and be

...s criteria, but if maturity were the only metric, I imagine you would have selected a BLAS or LAPACK based option. – Catskul Sep 9 '09 at 17:54 ...
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What is “Argument-Dependent Lookup” (aka ADL, or “Koenig Lookup”)?

...eems a bit backwards. I would expect the problem do be when std::swap() is selected rather than the overload specific to the type, A::swap(). The example with std::swap(A::MyClass&, A::MyClass&) seems misleading. since std would never have a specific overload for a user type, I don't think i...
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Difference between shared objects (.so), static libraries (.a), and DLL's (.so)?

... FYI: g++ has __attribute__ syntax for selectively 'export' symbols: #define DLLEXPORT __attribute__ ((visibility("default"))) #define DLLLOCAL __attribute__ ((visibility("hidden"))) – Brian Cannard Jul 10 '14 at 14:49 ...
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Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?

...Us can probably apply several optimization approaches in parallel and then select the one at the end that provides the best speedup. The extra instructions may be biasing the CPU to use one optimization path that is better than others. The effect of the extra instructions probably depends on the C...