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Measuring execution time of a function in C++

...5; } } int main() { auto t1 = std::chrono::high_resolution_clock::now(); function(); auto t2 = std::chrono::high_resolution_clock::now(); auto duration = std::chrono::duration_cast<std::chrono::microseconds>( t2 - t1 ).count(); std::cout << duration; return...
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RESTful Authentication via Spring

... AuthenticationEntryPoint, which basically just returns a 401 Unauthorized if the request wasn't authenticated in the filter chain by our AuthenticationTokenProcessingFilter. CustomAuthenticationEntryPoint: public class CustomAuthenticationEntryPoint implements AuthenticationEntryPoint { @Over...
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Does Java have a using statement?

... "Luckily" with Java 7 being available now, this answer is no longer true (and I think that ARM blocks are exactly what using does). – Joachim Sauer Aug 24 '11 at 8:32 ...
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How to 'minify' Javascript code

...e.com, almost everything works on every browser (also ie10 is standardized now) , i think now it's just here to slow down your web application...if you like the $() you should create your own simple function.And why bother to compress your code if your clients need to download the 100kb jquery scrip...
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NVIDIA vs AMD: GPGPU performance

... in scientific computing), tilt the balance in favor of CUDA (at least for now). EDIT Jan 12, 2013 It's been two years since I made this post and it still seems to attract views sometimes. So I have decided to clarify a few things AMD has stepped up their game. They now have both BLAS and FFT ...
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Getting the count of unique values in a column in bash

... with several columns. I want to count the frequency of occurrence of the different values in a column for all the files in a folder and sort them in decreasing order of count (highest count first). How would I accomplish this in a Linux command line environment? ...
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Monad in plain English? (For the OOP programmer with no FP background)

... take a type, say int, and add a new capability to that type, namely, that now it can be null when it couldn't before. As a second example, consider IEnumerable<T>. It is an amplifier of types. It lets you take a type, say, string, and add a new capability to that type, namely, that you can n...
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MongoDB or CouchDB - fit for production? [closed]

...ction. businessinsider has been using mongo in production for over a year now. They are using it for everything from users and blog posts, to every image on the site. shopwiki is using it for a few things including real time analytics and a caching layer. They are doing over 1000 writes per secon...
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Error: Cannot pull with rebase: You have unstaged changes

... This seemed to have work but now I am facing another error(started a new questions to not confuse future vistors): stackoverflow.com/questions/23518247/… – user3597950 May 7 '14 at 12:47 ...
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adb server version doesn't match this client

...it the PATH variable and remove the reference to the HTC Sync directories. Now you're using Google's ADB again. share | improve this answer | follow | ...