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What's the difference between @JoinColumn and mappedBy when using a JPA @OneToMany association
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edited Nov 24 '15 at 15:14
george
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Remove ActiveRecord in Rails 3
...téphan Kochen
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3
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How to avoid “if” chains?
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487
You can use an && (logic AND):
if (executeStepA() && executeStepB() &&...
Why is there a difference in checking null against a value in VB.NET and C#?
...mparable expressions 5==null and 5!=null only the second first [updated 2014-03-02 - PG] returns false. However, in ANY environment that supports null, it is incumbent on the programmer to know the truth tables and null-propagation used by that language.
Update
Eric Lippert's blog articles (mentio...
Do on-demand Mac OS X cloud services exist, comparable to Amazon's EC2 on-demand instances? [closed]
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edited Mar 16 '12 at 0:44
answered Feb 1 '12 at 8:22
Dav...
How to format strings in Java
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140
In addition to String.format, also take a look java.text.MessageFormat. The format less terse ...
How can I set focus on an element in an HTML form using JavaScript?
...ific properties.
– peterph
Jun 16 '14 at 10:03
40
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Random row from Linq to Sql
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edited Aug 24 '10 at 19:16
Armstrongest
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Why is it bad style to `rescue Exception => e` in Ruby?
...ying to CTRLC or kill it:
loop do
begin
sleep 1
eval "djsakru3924r9eiuorwju3498 += 5u84fior8u8t4ruyf8ihiure"
rescue Exception
puts "I refuse to fail or be stopped!"
end
end
Rescuing from Exception isn't even the default. Doing
begin
# iceberg!
rescue
# lifeboats
end
does ...
jQuery & CSS - Remove/Add display:none
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214
To hide the div
$('.news').hide();
or
$('.news').css('display','none');
and to show the di...