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How do I write a correct micro-benchmark in Java?

...oo much from micro-benchmarks; they measure only a limited range of JVM performance characteristics. Rule 1: Always include a warmup phase which runs your test kernel all the way through, enough to trigger all initializations and compilations before timing phase(s). (Fewer iterations is OK on the w...
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Logging best practices [closed]

...aceSource, built in to .NET 2.0. It provides powerful, flexible, high performance logging for applications, however many developers are not aware of its capabilities and do not make full use of them. There are some areas where additional functionality is useful, or sometimes the functionality ex...
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What is the optimal length for an email address in a database?

...As described in RFC3696 Errata ID 1690. I got the original part of this information from here share | improve this answer | follow | ...
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Change bootstrap navbar collapse breakpoint without using LESS

...ing example for 1200px: https://www.codeply.com/go/VsYaOLzfb4 (with search form) Note: The above works for anything over 768px. If you need to change it to less than 768px the example of less than 768px is here. share ...
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When to use Windows Workflow Foundation? [closed]

...n workflows, and everything else in C#, then it might not be a problem. Performance: Workflows use up a large amount of memory. If you're deploying a lot of workflows on a server, make sure you have tons of memory. Also be aware that workflows are much slower than normal C# code. Steep learning curv...
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What are the differences between numpy arrays and matrices? Which one should I use?

... new @ operator). Thus, if a and b are numpy arrays, then a*b is the array formed by multiplying the components element-wise: c = np.array([[4, 3], [2, 1]]) d = np.array([[1, 2], [3, 4]]) print(c*d) # [[4 6] # [6 4]] To obtain the result of matrix multiplication, you use np.dot (or @ in Python &...
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Why Would I Ever Need to Use C# Nested Classes [duplicate]

... that MS doesn't adhere to its own recommendation: Just see System.Windows.Forms.ListView nested classes! – Mehrdad Afshari Jul 5 '09 at 2:24 1 ...
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Difference between java.exe and javaw.exe

...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); }); $window.unbind('scroll', onScroll); } }; ...
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How can I join multiple SQL tables using the IDs?

...r example, you are not actually including TableD. All you have to do is perform another join just like you have done before. A note: you will notice that I removed many of your parentheses, as they really are not necessary in most of the cases you had them, and only add confusion when trying to re...
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Combined area of overlapping circles

...m). Connect them together with the centres of the corresponding circles to form a polygon. The area of the union of the circles is the area of the polygon + the area of the circle slices defined by consecutive intersection points and the circle center in between them. You'll need to also account for...