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How to check if a String is numeric in Java
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This answer is concise, simple and readable. You can almost read it like English -- "chars all match digits". It requires no third-party libraries. It does not use exceptions in non-exceptional cases. This should become the accepted answer.
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Named capturing groups in JavaScript regex?
... that it does not support verbose regexes which would make the creation of readable, complex regular expressions a lot easier.
Steve Levithan's XRegExp library solves these problems.
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Unable to understand useCapture parameter in addEventListener
I have read article at https://developer.mozilla.org/en/DOM/element.addEventListener but unable to understand useCapture attribute. Definition there is:
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Why do Twitter Bootstrap tables always have 100% width?
...nswer, better to edit the current accepted answer which most of the people read (I edited it now).
– Iulian Onofrei
Feb 11 '15 at 13:29
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How to Unit test with different settings in Django?
...u can do anything you like to the UnitTest subclass, including setting and reading instance properties:
from django.conf import settings
class MyTest(unittest.TestCase):
def setUp(self):
self.old_setting = settings.NUM_LATEST
settings.NUM_LATEST = 5 # value tested against in the T...
Truncate Two decimal places without rounding
... I dropped the cast to Integer. I left them separate lines for better readability and understanding of how the function works.
– Corgalore
Apr 24 '17 at 16:22
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Static hosting on Amazon S3 - DNS Configuration
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Sounds like you've done most of the work already. For clarity I'll go over those steps again just to make sure you're set up properly:
Create an s3 bucket using your domain name as the bucket name (your bucket name should be www.example.com if you want your site to...
Create an enum with string values
...iases
RemoveUser = DeleteUser,
}
For more info about TypeScript 2.4, read blog on MSDN.
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C library function to perform sort
... big :-) And, @AndreyT, clever though that hack is, I prefer my code to be readable :-)
– paxdiablo
Nov 24 '09 at 11:44
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Determine what attributes were changed in Rails after_save callback?
...ls 5.1 (but is deprecated in 5.1 and has breaking changes in 5.2). You can read about the change in this pull request.
In your after_update filter on the model you can use _changed? accessor. So for example:
class SomeModel < ActiveRecord::Base
after_update :send_notification_after_change
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