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Get String in YYYYMMDD format from JS date object?
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No route matches “/users/sign_out” devise rails 3
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For more information, the rationale why this was changed in the latest version of Devise is described here and here.
– Jessie Dedecker
Jul 3 '11 at 8:57
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TransactionManagementError “You can't execute queries until the end of the 'atomic' block” while usi
...licate question allowed.')
except IntegrityError:
pass
do_more_model_stuff()
In Django 1.4, this works fine. However, in Django 1.5/1.6, each test is wrapped in a transaction, so if an exception occurs, it breaks the transaction until you explicitly roll it back. Therefore, any fu...
public static const in TypeScript
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If you did want something that behaved more like a static constant value in modern browsers (in that it can't be changed by other code), you could add a get only accessor to the Library class (this will only work for ES5+ browsers and NodeJS):
export class Librar...
What framework for MVVM should I use? [closed]
... is intended to provide the basics of MVVM, and not to address some of the more esoteric issues. Originally this was intended only for WPF, but people such as Laurent Bugnion and myself have added functionality/projects that mean this will be a Silverlight compatible framework as well.
WAF - no exp...
Which cryptographic hash function should I choose?
...ny given application, you will have different requirements, needing one or more of these properties. A hash function for securing passwords on a server will usually only require preimage resistance, while message digests require all three.
It has been shown that MD5 is not collision resistant, howe...
Append value to empty vector in R?
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# yet another way?!?
for (v in values)
vector <- c(vector, v)
# ... more ways
help("append") would have answered your question and saved the time it took you to write this question (but would have caused you to develop bad habits). ;-)
Note that vector <- c() isn't an empty vector; it's...
Difference between GIT and CVS
... "git init && git add . && git commit" in Git, while it is more complicated in CVS.
Atomic operations. Because CVS at beginning was a set of scripts around per-file RCS version control system, commits (and other operations) are not atomic in CVS; if an operation on the repository is...
What is q=0.5 in Accept* HTTP headers?
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