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Is Java RegEx case-insensitive?
In Java, when doing a replaceAll to look for a regex pattern like:
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See “real” commit date in github (hour/day)
...a <time> element with an iso value under its datetime attribute.
If all else fails, like it did for me, try inspecting the text.
Sample element:
<time datetime="2015-01-22T20:48:13Z" is="relative-time" title="Jan 22, 2015, 2:48 PM CST">7 days ago</time>
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Can you connect to Amazon ElastiСache Redis outside of Amazon?
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...an Amazon ElastiCache Cluster, inside or outside a VPC, is never
allowed to be accessed from the Internet.
From here: http://aws.amazon.com/elasticache/faqs/#Can_I_access_Amazon_ElastiCache_from_outside_AWS
EDIT 2018: This answer above was accurate when written, however it is now possi...
How do I test if a variable is a number in Bash?
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@Ben do you really want to handle more than one minus sign? I'd make it ^-? rather than ^-* unless you're actually doing the work to handle multiple inversions correctly.
– Charles Duffy
Jun 26 '11 at...
Can I use complex HTML with Twitter Bootstrap's Tooltip?
If I check official documentation , I can see a property called HTML:
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In Ruby on Rails, what's the difference between DateTime, Timestamp, Time and Date?
... While TIMESTAMP looks similar when you fetch it from the database, it's really a just a front for a unix timestamp. Its valid range goes from 1970 to 2038. The difference here, aside from the various built-in functions within the database engine, is storage space. Because DATETIME stores every digi...
Check if array is empty or null
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As long as your selector is actually working, I see nothing wrong with your code that checks the length of the array. That should do what you want. There are a lot of ways to clean up your code to be simpler and more readable. Here's a cleaned up version...
how to permit an array with strong parameters
...ermit expects each argument to be a Hash or a Symbol. Ruby magic will turn all key value pairs s at the end of a method call into one hash, but Ruby won't know what to do if you mix symbols with key/value pairs in your method call.
– sameers
Nov 20 '13 at 0:05
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How to properly check if std::function is empty in C++11?
...'re not checking for an empty lambda, but whether the std::function has a callable target stored in it. The check is well-defined and works because of std::function::operator bool which allows for implicit conversion to bool in contexts where boolean values are required (such as the conditional expr...
Is there any way to prevent input type=“number” getting negative values?
...entered using the arrow buttons / spinner. However, the user can still manually enter in a negative number and have that field's value read as a negative number, thus bypassing the min attribute.
– ecbrodie
Jul 14 '15 at 15:49
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