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Changing every value in a hash in Ruby

...hich are then converted into a new Hash. Ignoring the RAM peak usage, run time is much worse - benchmarking this versus the modify-in-place solutions in another answer show 2.5s versus 1.5s over the same number of iterations. Since Ruby is a comparatively slow language, avoiding slow bits of the s...
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Override valueof() and toString() in Java enum

...t be overridden. Instead of catching the exception and swallowing it, a RuntimeException should be thrown and then this is fine. – Andrew T Finnell Aug 15 '18 at 14:52 ...
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Heroku + node.js error (Web process failed to bind to $PORT within 60 seconds of launch)

...s app (runs fine locally) - but I am unable to deploy it via heroku (first time w/ heroku as well). The code is below. SO doesn't let me write so much code, so I would just say that the running the code locally as well within my network shows no issue. ...
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Find a string by searching all tables in SQL Server Management Studio 2008

... If I could upvote every time I come here to copy this mighty query, you'd easily have twice the score :D – DurkoMatko Aug 13 at 8:10 ...
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Git hook to send email notification on repo changes

... This is my way of send email notification to users every time some one push to the repository. Setting Up Git Commit Email Notification It's based on Andy Parkins's scripts. I change it to used SMTP to send email. Of course, gmail's SMTP can also be used. ...
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What is SuppressWarnings (“unchecked”) in Java?

Sometime when looking through code, I see many methods specify an annotation: 11 Answers ...
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Android WebView: handling orientation changes

... for more info see: http://developer.android.com/guide/topics/resources/runtime-changes.html#HandlingTheChange https://developer.android.com/reference/android/app/Activity.html#ConfigurationChanges share | ...
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iPhone Data Usage Tracking/Monitoring

... way to get information wifi/cellular network data since, particular date-time! Data statistic (ifa_data->ifi_obytes and ifa_data->ifi_ibytes) are stored from previous device reboot. I don't know why, but ifi_opackets and ifi_ipackets are shown just for lo0 (I think its main interface )....
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What is aspect-oriented programming?

... object oriented programming, and have been writing OO programs for a long time. People seem to talk about aspect-oriented programming, but I've never really learned what it is or how to use it. What is the basic paradigm? ...
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What is the difference between integration testing and functional testing? [closed]

...lso when we are testing the system against the functional requirement that time also we are taking it as an integrated system.. And while performing functional tetsing we will also find out that how the diffrent units are working together so it can be thoght of as Integration testing... ...