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Efficient method to generate UUID String in JAVA (UUID.randomUUID().toString() without the dashes)
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For your case what's wrong with UUID.randomUUID().toString() ? Also note that you (theoretically) decrease the entropy by holding a static final SecureRandom (make it volatile). also why synchronize the generateUniqueId? This means all you...
ModelState.IsValid == false, why?
...bility of using breakpoints for such easy debugging steps (getting an idea what the problem is as in your case). Just place them just in front / at the place where you check ModelState.isValid and hover over the ModelState. Now you can easily browse through all the values inside and see what error c...
What is the correct answer for cout
... invalid C++). But an answer is supposed to answer the question indicating what's wrong and why it's wrong. A commentary on the question is not an answer even if they are perfectly valid. At best, this can be a comment, not an answer.
– P.P
Aug 19 '13 at 9:04
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Is it possible to allow didSet to be called during initialization in Swift?
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I think I know what's happening here. By declaring someProperty as type: AnyObject! (an implicitly unwrapped optional), you allow self to fully initialize without someProperty being set. When you call setSomeProperty(someProperty) you're c...
angular js unknown provider
... to fit my own REST API. Now I'm running into this error and I am not sure what I am doing wrong:
30 Answers
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What's the point of the X-Requested-With header?
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I don't get it. What prevents the attacker from building a request and adding a X-Requested-With header as well?
– Greg
May 15 '14 at 0:39
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Logout: GET or POST?
... Ebay, and Gmail all use GET for logout without that trick page in between what the user is told is logout and the actual logout event. I would imagine that in between page would lead to a lot of people mistakenly believing they were logged out. The problems with that on SO are minimal, no money i...
Rails where condition using NOT NIL
... method like each or to_a. Building the query isn't a performance concern; what you're requesting from the database is.
– Adam Lassek
Aug 20 '16 at 0:00
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Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)
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Um, what? Why would OSX's System Preferences have a MySQL option?
– AlxVallejo
Oct 16 '17 at 23:23
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Ordering by specific field value first
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what does 1 and 2 means here?
– Niraj Chauhan
Dec 24 '13 at 13:42
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