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Copy files without overwrite
I just can't seem to find a way on the command line to say "copy all the files from directory A to directory B, but if the file already exists in directory B, don't overwrite it, no matter which file is newer, and don't prompt me."
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What to return if Spring MVC controller method doesn't return value?
I am using jQuery's $.getJSON() to make asynchronous calls to my simple Spring MVC backend. Most of the Spring controller methods look like this:
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How to use Session attributes in Spring-mvc
...ntage:
@session may use more memory in cloud systems it copies session to all nodes, and direct method (1 and 5) has messy approach, it is not good to unit test.
To access session jsp
<%=session.getAttribute("ShoppingCart.prop")%>
in Jstl :
<c:out value="${sessionScope.ShoppingCart.p...
git add remote branch
... information on merging the remote and local branches.
Creating a remote called "github":
git remote add github git://github.com/jdoe/coolapp.git
git fetch github
List all remote branches:
git branch -r
github/gh-pages
github/master
github/next
github/pu
Create a new local branch (tes...
Is there an eval() function in Java? [duplicate]
...to do some math seems like a huge waste. But you're right, it works, especially if efficiency isn't a priority.
– Sasha Chedygov
Apr 9 '10 at 4:21
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In Javascript, how to conditionally add a member to an object?
I would like to create an object with a member added conditionally.
The simple approach is:
22 Answers
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Mvn install or Mvn package
...ow if I modified any java files then do I need to do Run as -> Mvn install or Mvn package ?
8 Answers
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SQL Server equivalent to MySQL enum data type?
...rable (and SQL Server doesn't support the concept of immutable tables), finally if you have lots of enums with only a few values then you'll end-up adding lots of tables to your database. Not to mention extra IO reads due to FK constraint-checking when inserting/deleting data, whereas a CHECK CONSTR...
How to reference generic classes and methods in xml documentation
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Thanks for that answer! It's actually missing from MSDN's page on <see>: msdn.microsoft.com/en-us/library/acd0tfbe.aspx
– joce
Apr 16 '11 at 20:56
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Is an array name a pointer?
..., which is not implicitly convertible to int*. This way, functions can actually take pointers to arrays of specific size, and enforce the restriction via the type system.
– Pavel Minaev
Oct 29 '09 at 7:25
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