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target=“_blank” vs. target=“_new”
...the HTML5 Spec:
A valid browsing context name is any string with at least one character that does not start with a U+005F LOW LINE character. (Names starting with an underscore are reserved for special keywords.)
A valid browsing context name or keyword is any string that is either a valid browsing...
Why is argc not a constant?
...lt;< std::endl;
I've written such programs in C, and I know I'm not alone. I copied the example from somewhere.
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How do I create a self-signed certificate for code signing on Windows?
...-signed code-signing certificate (SPC - Software Publisher Certificate) in one go, I prefer to do the following:
Creating a self-signed certificate authority (CA)
makecert -r -pe -n "CN=My CA" -ss CA -sr CurrentUser ^
-a sha256 -cy authority -sky signature -sv MyCA.pvk MyCA.cer
(^ = all...
Breaking up long strings on multiple lines in Ruby without stripping newlines
We recently decided at my job to a ruby style guide. One of the edicts is that no line should be wider than 80 characters. Since this is a Rails project, we often have strings that are a little bit longer - i.e. " User X wanted to send you a message about Thing Y " that doesn't always fit within the...
Why can't I forward-declare a class in a namespace using double colons?
...space - it is a completely different class that has nothing to do with the one you declared here.
Once you get to the point of defining the pre-declared class, you don't need to "reopen" the namespace again. You can define it in the global namespace (or any namespace enclosing your Namespace) as
c...
Javascript Shorthand for getElementById
...r the JavaScript document.getElementById? Or is there any way I can define one? It gets repetitive retyping that over and over .
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Fully custom validation error message with Rails
...ddress1 Put some address please
if you want to get the error message for one single attribute
<%= @model.errors[:address1] %>
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Passing current scope to an AngularJS Service
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I would say if your functionality is specific to one controller only than you don't need a service.
The controllers tasks is to manipulate the specific model whereas a service should deal with global tasks. I would rather stick to this paradigm instead of mixing things up....
Why use a prime number in hashCode?
... inserted into will only be determined by the least significant entry (the one not multiplied at all). Similar entries will collide. Not good for a hash function.
31 is a large enough prime that the number of buckets is unlikely to be divisible by it (and in fact, modern java HashMap implementation...
Is the Scala 2.8 collections library a case of “the longest suicide note in history”? [closed]
... Update: The final Scala 2.8 release has a mechanism like the one I described. If you look up BitSet in the scaladocs you find: def map [B] (f: (Int) ⇒ B) : BitSet[B] [use case] Builds a new collection by applying a function to all elements of this bitset.
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