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What are naming conventions for MongoDB?

... | edited Aug 14 at 7:05 answered Mar 15 '16 at 9:59 Sh...
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Best way to merge two maps and sum the values of same key?

...e v) – dividebyzero Dec 13 '14 at 1:05 I did somehting different previously, but here is a version of what you did, re...
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How to fix Git error: object file is empty?

When I try to commit changes, I get this error: 24 Answers 24 ...
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mongodb group values by multiple fields

...)); log({ topaddr }); client.close(); } catch(e) { console.error(e) } finally { process.exit() } })() books.json { "addr": "address1", "book": "book1" } { "addr": "address2", "book": "book1" } { "addr": "address1", "book": "book5" } { "addr": "address3", "book": "boo...
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How do I execute a command and get the output of the command within C++ using POSIX?

...pipe(popen(cmd, "r"), pclose); if (!pipe) { throw std::runtime_error("popen() failed!"); } while (fgets(buffer.data(), buffer.size(), pipe.get()) != nullptr) { result += buffer.data(); } return result; } Pre-C++11 version: #include <iostream> #include &lt...
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Why do you need explicitly have the “self” argument in a Python method?

... Although it would be nice to have a less cryptic error message when you forget it. – Martin Beckett Feb 3 '09 at 23:51 10 ...
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What is the difference between return and return()?

...o these lines: return 1; var a = 1; The reason return() throws a syntax error is for the exact reason the following line throws an error (return statement included for comparison): return(); // SyntaxError: syntax error var a = (); // SyntaxError: syntax error ...
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User recognition without cookies or local storage

...ut (Sensor & Desired), Initial Weights, Output (Sensor, Sum, Network), Error, Correction and Final Weights. +----+----+----+----+----+----+----+----+----+----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+------+-----+----+---------+---------+---------+---------+---------+--...
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Keyboard shortcut to comment lines in Sublime Text 2

In Sublime Text 2 , how do I enclose a selection in a comment ? Is there a keyboard shortcut for this action? 15 Answer...
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Setting up two different static directories in node.js Express framework

...lo CSS!!!'); }); app.get('/bad',(request,response)=>{ response.send({error: 'Bad Request'}); }); app.listen(port, ()=> { console.log(`Server is running on Port ${port}` ); console.log(__dirname); }); // folder structure /cheatsheet/index.html /stylesheet/style.css ...