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Group vs role (Any real difference?)
...ys, the divide between role and group comes from concepts of computer security (as opposed to simply resource management). Prof. Ravi Sandhu provides a seminal coverage of the semantic difference between roles and groups.
http://profsandhu.com/workshop/role-group.pdf
A group is a collection of use...
What is the meaning of symbol $ in jQuery?
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edited Mar 26 '15 at 12:47
Peter Mortensen
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What is the difference between a schema and a table and a database?
...blike (or worse) question. But I've always viewed a schema as a table definition in a database. This is wrong or not entirely correct. I don't remember much from my database courses.
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Are std::vector elements guaranteed to be contiguous?
...ector]
1 A vector is a sequence container that supports random access iterators. In addition, it supports (amortized)
constant time insert and erase operations at the end; insert and erase in the middle take linear time. Storage
management is handled automatically, though hints can be given...
Get generic type of class at runtime
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As others mentioned, it's only possible via reflection in certain circumstances.
If you really need the type, this is the usual (type-safe) workaround pattern:
public class GenericClass<T> {
private final Class<T> type;
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How do I fix the error 'Named Pipes Provider, error 40 - Could not open a connection to' SQL Server'
I can't seem to connect to my database from a site. I get this error:
32 Answers
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Are Exceptions in C++ really slow
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The main model used today for exceptions (Itanium ABI, VC++ 64 bits) is the Zero-Cost model exceptions.
The idea is that instead of losing time by setting up a guard and explicitly checking for the presence of exceptions everywhere, the compiler generates a side tab...
Update data in ListFragment as part of ViewPager
I'm using the v4 compatibility ViewPager in Android. My FragmentActivity has a bunch of data which is to be displayed in different ways on different pages in my ViewPager. So far I just have 3 instances of the same ListFragment, but in the future I will have 3 instances of different ListFragments....
How do I see the extensions loaded by PHP?
It's got to be somewhere in the phpinfo() dump, but I just don't know where. Is it supposed to be under the "Additional Modules" section? Somewhere else? I'm trying to figure out why some extensions don't appear to be loaded, but I don't even know where I should be looking.
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Array Size (Length) in C#
How can I determine size of an array (length / number of items) in C#?
9 Answers
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