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Differences between Java 8 Date Time API (java.time) and Joda-Time
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b) Furthermore: Both libraries are inspired by the design study "TimeAndMoney" from Eric Evans or ideas from Martin Fowler about domain driven style so they strive more or less for a fluent programming style (although not always perfect ;-)).
c) With both libraries we get a real calendar date typ...
How to persist a property of type List in JPA?
...ntation: it adds a @ElementCollection annotation, similar to the Hibernate one, that does exactly what you need. There's one example here.
Edit
As mentioned in the comments below, the correct JPA 2 implementation is
javax.persistence.ElementCollection
@ElementCollection
Map<Key, Value> col...
What is Turing Complete?
...
Someone recently showed that PowerPoint is Turing Complete too.
– Tagc
Apr 30 '17 at 12:57
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Vertically centering a div inside another div [duplicate]
...out will impact your rendering performance so I would suggest that you use one of the more modern solutions.
Here is an example
Tested in:
FF3.5+
FF4+
Safari 5+
Chrome 11+
IE9+
HTML
<div class="cn"><div class="inner">your content</div></div>
CSS
.cn {
display...
How do I contribute to other's code in GitHub? [closed]
...
Ideally you:
Fork the project
Make one or more well commented and clean commits to the repository. You can make a new branch here if you are modifying more than one part or feature.
Perform a pull request in github's web interface.
if it is a new Feature req...
Difference Between Invoke and DynamicInvoke
... taking around 0,7766 ms but second is taking around 0,0568 ms. When first one is Invoke it takes longer than DynamicInvoke or vice versa. When I tried your example with 1 loop and look at ms Invoke: 0,0478ms, DynamicInvoke: 0,053ms . Why are you comparing them more than 1 call? And why the first on...
Bash ignoring error for a particular command
...
Example:
$ cat /tmp/1.sh
particular_script()
{
false
}
set -e
echo one
particular_script || true
echo two
particular_script
echo three
$ bash /tmp/1.sh
one
two
three will be never printed.
Also, I want to add that when pipefail is on,
it is enough for shell to think that the entire pipe ...
What's faster, SELECT DISTINCT or GROUP BY in MySQL?
...in fact this is how some databases implement DISTINCT under the hood).
If one of them is faster, it's going to be DISTINCT. This is because, although the two are the same, a query optimizer would have to catch the fact that your GROUP BY is not taking advantage of any group members, just their key...
How should I escape strings in JSON?
...er reason you don't have a library in your language, you don't want to use one (I wouldn't suggest this¹), or you're writing a JSON library, read on.
Escape it according to the RFC. JSON is pretty liberal: The only characters you must escape are \, ", and control codes (anything less than U+0020)....
Should I use s and s inside my s?
...l browsers support HTML completely, I'd stick them in, but rely on the old ones for backwards compatibility.
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