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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...
In JavaScript, does it make a difference if I call a function with parentheses?
...ample that may demonstrate better is this:
var d = new Date();
var currentTime = d.getTime();
Whatever the time was at the time d is defined ends up assigned to currentTime. Great, but that's only useful if we want to find out what time the function containing that code was called - i.e. at page...
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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Why doesn't Java allow overriding of static methods?
...ogrammers and was also very fast, because there's no need to wait until runtime to figure out which method to call.
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Git hook to send email notification on repo changes
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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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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 )....
Remove/Add Line Breaks after Specific String using Sublime Text
...onality exists on MAC with Command + d ? You may have to press it numerous times to go through the whole file
– shanehoban
Apr 30 '15 at 14:51
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jQuery Datepicker with text input that doesn't allow user input
... a practical solution; just a note that the current preferred way (as some time has passed since your comment) to setting the readonly attribute is via the prop() method: $("#my_txtbox").prop('readonly', true)
– Werner
Jun 12 '15 at 9:32
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