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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
...
Playing .mp3 and .wav in Java?
...
120
Java FX has Media and MediaPlayer classes which will play mp3 files.
Example code:
String bip...
Using numpad in Vi (Vim) via PuTTY
...
+100
The answer is in Numpad in PuTTY while using vi [Cialug]:
In the configuration, go to Terminal->Features and check "Disable
...
Using FileSystemWatcher to monitor a directory
... |
edited Mar 6 '13 at 16:06
Neolisk
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answere...
Equivalent of “continue” in Ruby
...
Yes, it's called next.
for i in 0..5
if i < 2
next
end
puts "Value of local variable is #{i}"
end
This outputs the following:
Value of local variable is 2
Value of local variable is 3
Value of local variable is 4
Value of local variable ...
List files committed for a revision
...
phihagphihag
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...
How can I convert a PFX certificate file for use with Apache on a linux server?
...ey.
Update your Apache configuration file with:
<VirtualHost 192.168.0.1:443>
...
SSLEngine on
SSLCertificateFile /path/to/domain.cer
SSLCertificateKeyFile /path/to/domain.key
...
</VirtualHost>
share
...
Get the current file name in gulp.src()
...
edited May 22 '14 at 22:40
answered May 22 '14 at 22:34
Vi...
UUID max character length
...s but we have noticed UUID'S generated which are longer than this - up to 60 characters in length.
Does anyone know a suitable max char length for UUID??
...
How to append multiple values to a list in Python
... 3, 4]
>>> lst.extend([5, 6, 7])
>>> lst.extend((8, 9, 10))
>>> lst
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
>>> lst.extend(range(11, 14))
>>> lst
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]
So you can use list.append() to append a single value, and list.exten...