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Cycles in family tree software

... has many issues, such as incompatibility with same sex relations, incest, etc... Which in real life happens more often than you'd imagine (especially when going back in time to the 1700-1800). We have modeled our family tree to what happens in the real world: Events (for example, births, weddings,...
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How can I eliminate slow resolving/loading of localhost/virtualhost (a 2-3 second lag) on Mac OS X L

...server is looking at 127.0.0.1, those hosts need to be at the HEAD of the /etc/hosts file for fast lookups. I have several dozen 127.0.0.1 lines, only when I moved them to the TOP of the /etc/hosts file did they resolve fast for me. – Joey T Apr 26 '14 at 3:11...
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How does the Windows Command Interpreter (CMD.EXE) parse scripts?

...e special characters & | < or >, split the line at this point in order to handle pipes, command concatenation, and redirection. In the case of a pipe (|), each side is a separate command (or command block) that gets special handling in phase 5.3 In the case of &, &&, or || co...
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Loop inside React JSX

... +1. I'm even using this with a ul (unordered list). <ul> {objects.map((object:string,i:number)=>{ return <li>{object}</li> })} </ul> using TypeScript – Roberto C Navarro ...
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How do I parallelize a simple Python loop?

...y parallelizing: {sum(output2) - (finish-start)}') print(f'returned in order given: {repr(output3)}') if __name__ == '__main__': main() And here's the output: $ python3 -m futuretest original inputs: [0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0] total time to execute 33 = sum([0, 3,...
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What does character set and collation mean exactly?

...t if the collation is set to, for example, French, you'll have them in the order you thought they would be, which is all of e é è ê are equal, and then f. share | improve this answer | ...
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What are the differences between a HashMap and a Hashtable in Java?

...es is LinkedHashMap, so in the event that you'd want predictable iteration order (which is insertion order by default), you could easily swap out the HashMap for a LinkedHashMap. This wouldn't be as easy if you were using Hashtable. Since synchronization is not an issue for you, I'd recommend Has...
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How to create a custom attribute in C#

...just data. However, using reflection, one can leverage those attributes in order to create functionality. So, for instance, let's look at the Validation Application Block, from Microsoft's Enterprise Library. If you look at a code example, you'll see: /// <summary> /// blah blah code...
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SetUnhandledExceptionFilter and the C/C++ Runtime Library - C/C++ - 清...

... in time (JIT) debugger if such a debugger is installed on the system. In order to test the code, we will simulate a null pointer invalid access like this: int main() { ::SetUnhandledExceptionFilter(OurCrashHandler); std::cout << "Normal null pointer crash" << std::endl; char...
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Only one expression can be specified in the select list when the subquery is not introduced with EXI

...t from the top rows, but you don't need to return the COUNT as a column in order to do your sort; sorting in the ORDER clause is independent of the columns returned by the query. Try something like this: select count(distinct dNum) from myDB.dbo.AQ where A_ID in (SELECT DISTINCT TOP (0.1) P...