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@Basic(optional = false) vs @Column(nullable = false) in JPA
...ipseLink Architecture Committee Member, TopLink Core Technical Lead, JPA 2.0 Expert Group Member) wrote a good answer on this topic so instead of paraphrasing him, I'll quote his answer:
The difference between optional and
nullable is the scope at which they
are evaluated. The definition of
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AngularJs ReferenceError: $http is not defined
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ŁukaszBachmanŁukaszBachman
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Significance of -pthread flag when compiling
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107
Try:
gcc -dumpspecs | grep pthread
and look for anything that starts with %{pthread:.
On my...
String to LocalDate
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fgefge
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What's the difference between “Normal Reload”, “Hard Reload”, and ...
...ll use the cache but revalidate everything during page load, looking for "304 Not Modified" responses. If the browser can avoid re-downloading cached JavaScript files, images, text files, etc. then it will.
Hard reload
Don't use anything in the cache when making the request. (which is equal to SHIF...
django models selecting single field
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edited Mar 30 '18 at 13:25
Igor S
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answered Sep 21 '1...
How to check status of PostgreSQL server Mac OS X
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edited Nov 2 '11 at 4:03
answered Nov 2 '11 at 3:25
Boh...
Which version of MVC am I using?
...ome reason, feeling a little dumb. How do I know? I'm using .net 4 with VS2010.
9 Answers
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Access multiple elements of list knowing their index
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edited Dec 16 '18 at 1:04
answered Aug 16 '13 at 11:25
T...
Margin-Top not working for span element?
...t in your element to render on another line, as block level elements take 100% of horizontal space on the page, unless they are made inline-block or they are floated to left or right.
1. Block Level Elements - MDN Source
2. Inline Elements - MDN Resource
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