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In Ruby on Rails, what's the difference between DateTime, Timestamp, Time and Date?
...fference between different date/time formats in ActiveRecord has little to do with Rails and everything to do with whatever database you're using.
Using MySQL as an example (if for no other reason because it's most popular), you have DATE, DATETIME, TIME and TIMESTAMP column data types; just as you...
java.nio.file.Path for a classpath resource
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@zhuguowei that's a Spring-specific approach. It doesn't work at all when Spring isn't being used.
– Ryan J. McDonough
Jun 1 '18 at 21:04
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How to initialize static variables
...nd that sometimes the Foo::init() is not called. I was never able to track down why, but just wanted to make all aware.
– lucifurious
Jul 15 '12 at 18:53
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Problems with DeploymentItem attribute
...ing an "old" system written in C#.net, removing some obsolete features and doing some refactoring. Thanks god, the previous guy wrote some unit tests (MSTests). I quite comfortable with JUnit tests, but didn't do yet much with MSTests.
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How do I scroll to an element using JavaScript?
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This doesn't work well for me because it adds all of these navigation events to the browser history and I can't easily go back to the previous page
– bikeman868
Aug 17 '18 at 0:03
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How do I work with a git repository within another repository?
...Now, the cool thing is, that any time you commit changes to MEDIA, you can do this:
cd /path/to/PROJECT2/MEDIA
git pull
cd ..
git add MEDIA
git commit -m "Upgraded media to version XYZ"
This just recorded the fact that the MEDIA submodule WITHIN PROJECT2 is now at version XYZ.
It gives you 100% ...
Does Android support near real time push notification?
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Google provides detailed documentation for implementing this into your Android app in Java at code.google.com/android/c2dm but their sample code for communicating with the server side aspect of C2DM is lacking. I've written up a tutorial for that asp...
How do I diff the same file between two different commits on the same branch?
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Note that on Windows one has to use '/' for file paths, not '\'.
– np8
Oct 23 '18 at 7:10
add a comment
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Creating a new dictionary in Python
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Is there any difference between dict() and {}? Or do people just prefer one over the other?
– Matt
Mar 2 '12 at 17:13
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Java how to replace 2 or more spaces with single space in string and delete leading and trailing spa
...lar-expressions.info/Repetition
No trim() regex
It's also possible to do this with just one replaceAll, but this is much less readable than the trim() solution. Nonetheless, it's provided here just to show what regex can do:
String[] tests = {
" x ", // [x]
" 1 ...