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What is the best way to measure execution time of a function? [duplicate]

Obviously I can do and DateTime.Now.After - DateTime.Now.Before but there must be something more sophisticated. 4 Answ...
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mmap() vs. reading blocks

...able length records. I've got a first implementation up and running and am now looking towards improving performance, particularly at doing I/O more efficiently since the input file gets scanned many times. ...
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Can I squash commits in Mercurial?

... See the comments. Histedit is now built-in, you just need to enable it (because no default commands will modify history) – Ry4an Brase Sep 28 '15 at 15:12 ...
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Setting table row height

... seriously? I thought this would always have worked. it certainly does now. anyway this is the solution I found to be best since the way table cells work is to expand to their content. so height in a td is effectively min-height, which in this case is actually what you want ...
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What is copy-on-write?

I would like to know what copy-on-write is and what it is used for? The term 'copy-on-write array' is mentioned several times in the Sun JDK tutorials but I didn't understand what it meant. ...
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Is there a list of Pytz Timezones?

I would like to know what are all the possible values for the timezone argument in the Python library pytz. How to do it? 7...
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How to delete images from a private docker registry?

...ans that an image is based on another image: A <- B <- C <- D Now we add tags to the picture: A <- B <- C <- D | | | <version2> <version1> Here, the tag <version1> references the image C and the tag <version2> r...
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What is a callback function?

... somewhere you can get to it Execution comes back to where it was in [1] Now suppose factorial took a really long time, because you're giving it huge numbers and it needs to run on some supercomputing cluster somwhere. Let's say you expect it to take 5 minutes to return your result. You could: K...
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Replacing .NET WebBrowser control with a better browser, like Chrome?

... Very very happy to know that it's you who started this project! Recently I used cefsharp, however, I could see that the library size is 80+ MB which is huge, but required for proper functioning (Especially smooth rendering) of the application. I...
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Random data in Unit Tests?

... counter-evidence to refute that the program works according to the spec. Now, you can write the unit tests by hand, but it really is a mechanical task. It can be automated. All you have to do is write the spec, and a machine can generate lots and lots of unit tests that try to break your code. I ...