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Please explain about insertable=false and updatable=false in reference to the JPA @Column annotation
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124
You would do that when the responsibility of creating/updating the related entity in question ...
What command means “do nothing” in a conditional in Bash?
... nothing, e.g., here, I want Bash to do nothing when $a is greater than "10", print "1" if $a is less than "5", otherwise, print "2":
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Show an image preview before upload
...nerHTML =
[
'<img style="height: 75px; border: 1px solid #000; margin: 5px" src="',
e.target.result,
'" title="', escape(theFile.name),
'"/>'
].join('');
document.getElementById('list').insertBe...
What's the best way to get the current URL in Spring MVC?
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111
Well there are two methods to access this data easier, but the interface doesn't offer the pos...
Generating v5 UUID. What is name and namespace?
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110
Name and namespace can be used to create a hierarchy of (very probably) unique UUIDs.
Roughly...
How do I turn on SQL debug logging for ActiveRecord in RSpec tests?
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edited Jan 7 '16 at 16:28
philippe_b
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Pairwise crossproduct in Python [duplicate]
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153
You're looking for itertools.product if you're on (at least) Python 2.6.
>>> import ...
How to get name of exception that was caught in Python?
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edited Dec 30 '19 at 20:25
Acumenus
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How does Rails keep track of which migrations have run for a database?
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