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Django ModelForm: What is save(commit=False) used for?
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106
That's useful when you get most of your model data from a form, but need to populate some null=...
How can I copy the content of a branch to a new local branch?
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edited Feb 21 '13 at 10:00
answered Feb 21 '13 at 9:44
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How is std::function implemented?
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80
The implementation of std::function can differ from one implementation to another, but the core ...
Hibernate openSession() vs getCurrentSession()
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answered Nov 8 '11 at 10:49
gkamalgkamal
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When should I use perror(“…”) and fprintf(stderr, “…”)?
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edited Aug 22 '16 at 20:11
Jonathan Lam
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an...
Hibernate lazy-load application design
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+50
As we all known, hibernate tries to be as non-invasive and as transparent as possible
I would say the initial assumption is wrong...
What are some compelling use cases for dependent method types?
...tside ResourceManager
def testHash(r : Resource) = assert(r.hash == "9e47088d")
def testDuplicates(r : Resource) = assert(r.duplicates(r))
}
trait FileManager extends ResourceManager {
type Resource <: File
trait File extends BasicResource {
def local : Boolean
}
override def c...
Find the similarity metric between two strings
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10 Answers
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What column type/length should I use for storing a Bcrypt hashed password in a Database?
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a 53 characters long base-64-encoded value (they use the alphabet ., /, 0–9, A–Z, a–z that is different to the standard Base 64 Encoding alphabet) consisting of:
22 characters of salt (effectively only 128 bits of the 132 decoded bits)
31 characters of encrypted output (effectively only 18...
What's the longest possible worldwide phone number I should consider in SQL varchar(length) for phon
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80
Well considering there's no overhead difference between a varchar(30) and a varchar(100) if you'...