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How do you declare an interface in C++?
...protected destructor. This disables polymorphic destruction, which may be more appropriate in some circumstances. Look for "Guideline #4" in gotw.ca/publications/mill18.htm.
– Fred Larson
Nov 25 '08 at 19:06
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“for” vs “each” in Ruby
...small difference considering variable scoping).
Using each is considered more idiomatic use of Ruby.
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jQuery validation: change default error message
...valid extension.",
maxlength: jQuery.validator.format("Please enter no more than {0} characters."),
minlength: jQuery.validator.format("Please enter at least {0} characters."),
rangelength: jQuery.validator.format("Please enter a value between {0} and {1} characters long."),
range: j...
What is the Haskell response to Node.js?
...does non-blocking I/O natively and has ways to scale deployments easily to more than one processor (something not even built-in in Node.js). More details at http://journal.dedasys.com/2010/04/29/erlang-vs-node-js and Node.js or Erlang
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How to select html nodes by ID with jquery when the id contains a dot?
...he correct way to select a literal ‘.’ in CSS is to escape it: “#id\.moreid”. This used to cause trouble in some older browsers (in particular IE5.x), but all modern desktop browsers support it.
The same method does seem to work in jQuery 1.3.2, though I haven't tested it thoroughly; quick...
Is there an alternative to bastard injection? (AKA poor man's injection via default constructor)
...-known pattern, but I'll grant that overloaded constructors are marginally more 'in your face' :)
– Mark Seemann
Jul 20 '11 at 7:21
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How can I find out the total physical memory (RAM) of my linux box suitable to be parsed by a shell
...erested in the physical RAM, use the command dmidecode. It gives you a lot more information than just that, but depending on your use case, you might also want to know if the 8G in the system come from 2x4GB sticks or 4x2GB sticks.
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Plain Old CLR Object vs Data Transfer Object
... Martin Fowler [anecdote here]. He used the term POJO as a way to make it more sexy to reject the framework heavy EJB implementations. POCO should be used in the same context in .Net. Don't let frameworks dictate your object's design.
A DTO's only purpose is to transfer state, and should have no...
Remove all occurrences of a value from a list?
... Use the list comprehension over the filter+lambda; the former is more readable in addition to generally more efficient.
– habnabit
Jul 21 '09 at 4:28
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How to download and save a file from Internet using Java?
...erFrom(rbc, 0, Long.MAX_VALUE);
Using transferFrom() is potentially much more efficient than a simple loop that reads from the source channel and writes to this channel. Many operating systems can transfer bytes directly from the source channel into the filesystem cache without actually copying th...