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Where does the @Transactional annotation belong?
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I think transactions belong on the Service layer. It's the one that knows about units of work and use cases. It's the right answer if you have several DAOs injected into a Service that need to work together in a single transaction.
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Should I add the Visual Studio .suo and .user files to source control?
Visual Studio solutions contain two types of hidden user files. One is the solution .suo file which is a binary file. The other is the project .user file which is a text file. Exactly what data do these files contain?
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Converting HTML string into DOM elements? [duplicate]
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Why not use insertAdjacentHTML
for example:
// <div id="one">one</div>
var d1 = document.getElementById('one');
d1.insertAdjacentHTML('afterend', '<div id="two">two</div>');
// At this point, the new structure is:
// <div id="one">one</div><d...
Why should I use Deque over Stack?
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For one thing, it's more sensible in terms of inheritance. The fact that Stack extends Vector is really strange, in my view. Early in Java, inheritance was overused IMO - Properties being another example.
For me, the crucial wor...
mysql: see all open connections to a given database?
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This is the only one correct, apart from the chosen one, which can be done using SQL instead of mysqladmin.
– dresende
May 7 '16 at 9:48
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What is the purpose of the var keyword and when should I use it (or omit it)?
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It's like shooting oneself with a railgun... Forget to put a 'var' before one's variable, and end up modifying a variable somewhere in the scope chain... Try convincing a Java/C/Python/etc. developer that JavaScript is worthwhile. Ha! C/C++ pit...
For-each over an array in JavaScript
...pec | MDN) (or its relatives some and such) (ES5+ only),
a simple old-fashioned for loop,
or for-in with safeguards.
But there's lots more to explore, read on...
JavaScript has powerful semantics for looping through arrays and array-like objects. I've split the answer into two parts: Options f...
How can I remove a trailing newline?
...trip() method strips all kinds of trailing whitespace by default, not just one newline as Perl does with chomp.
>>> 'test string \n \r\n\n\r \n\n'.rstrip()
'test string'
To strip only newlines:
>>> 'test string \n \r\n\n\r \n\n'.rstrip('\n')
'test string \n \r\n\n\r '
There a...
Get full path of the files in PowerShell
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Here's a shorter one:
(Get-ChildItem C:\MYDIRECTORY -Recurse).fullname > filename.txt
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What are the differences between delegates and events?
... the last line of code, I have overridden the previous behaviors just with one missing + (I have used = instead of +=)
Another weak spot is that every class which uses your Animal class can raise RaiseEvent just calling it animal.RaiseEvent().
To avoid these weak spots you can use events in c#.
Y...