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How to persist a property of type List in JPA?
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Use some JPA 2 implementation: 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 implement...
Truncate Two decimal places without rounding
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That makes me wonder whether it should be possible to specify rounding direction in floating point literals. Hmmmm.
– Steve314
Jun 29 '10 at 18:53
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How do you print in Sublime Text 2
Sublime Text 2 seems like a great editor. I just started using it a week ago in eval mode and it doesn't seem to have any printing functionality. This seems preposterous to me, but I can't find it anywhere.
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Formatting floats without trailing zeros
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Me, I'd do ('%f' % x).rstrip('0').rstrip('.') -- guarantees fixed-point formatting rather than scientific notation, etc etc. Yeah, not as slick and elegant as %g, but, it works (and I don't know how to force %g to never use ...
@Html.HiddenFor does not work on Lists in ASP.NET MVC
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I've just come across this issue and solved it simply by doing the following:
@for(int i = 0; i < Model.ToGroups.Length; i++)
{
@Html.HiddenFor(model => Model.ToGroups[i])
}
By using a for instead of a foreach the model bind...
Python recursive folder read
...s.walk:
for root, subdirs, files in os.walk(rootdir):
has the following meaning:
root: Current path which is "walked through"
subdirs: Files in root of type directory
files: Files in root (not in subdirs) of type other than directory
And please use os.path.join instead of concatenating with a...
Can I hide the HTML5 number input’s spin box?
...s there a consistent way across browsers to hide the new spin boxes that some browsers (such as Chrome) render for HTML input of type number? I am looking for a CSS or JavaScript method to prevent the up/down arrows from appearing.
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Why hasn't functional programming taken over yet?
I've read some texts about declarative/functional programming (languages), tried out Haskell as well as written one myself. From what I've seen, functional programming has several advantages over the classical imperative style:
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How to generate a range of numbers between two numbers?
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@Rafi the v(n) and hundreds(n) etc are table and column names/aliases
– Twon-ha
Oct 8 '19 at 14:13
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How do I add a new sourceset to Gradle?
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This took me a while to figure out and the online resources weren't great. So I wanted to document my solution.
This is a simple gradle build script that has an intTest source set in addition to the main and test source sets:
apply p...