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Foreign keys in mongo?
...ngoMapper.
http://mongoid.org/docs/relations/referenced/1-n.html
In a NoSQL database like MongoDB there are not 'tables' but collections. Documents are grouped inside Collections. You can have any kind of document – with any kind of data – in a single collection. Basically, in a NoSQL database...
Difference between size_t and std::size_t
...efined in <cstddef> whose contents are the same as C header (see the quotation below). Its defined as unsigned integer type of the result of the sizeof operator.
C Standard says in §17.7/2,
size_t which is the unsigned integer type of the result of the sizeof operator
And C++ Standard ...
What is a 'Closure'?
I asked a question about Currying and closures were mentioned.
What is a closure? How does it relate to currying?
23 Answer...
Mock vs MagicMock
...ain Mock existing?
Mock's author, Michael Foord, addressed a very similar question at Pycon 2011 (31:00):
Q: Why was MagicMock made a separate thing rather than just folding the ability into the default mock object?
A: One reasonable answer is that the way MagicMock works is that it precon...
How to call an external command?
...hild process's STDOUT and STDERR, because if they are ignored, under some (quite common) conditions, eventually the child process will issue a system call to write to STDOUT (STDERR too?) that would exceed the output buffer provided for the process by the OS, and the OS will cause it to block until ...
Paging in a Rest Collection
.../collections fit the Atom model and there's no reason to force it unless required.
– Karl Guertin
Jun 1 '09 at 2:43
1
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How can I access the MySQL command line with XAMPP for Windows?
How can I access the MySQL command line with XAMPP for Windows?
15 Answers
15
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SHA512 vs. Blowfish and Bcrypt [closed]
...GPUs as a tool for attacking SHA-2–based hashes; because of its memory requirements, optimizing bcrypt requires more specialized hardware like FPGA with some on-board RAM.
Note: bcrypt is an algorithm that uses Blowfish internally. It is not an encryption algorithm itself. It is used to irrever...
Concurrent HashSet in .NET Framework?
...> doesn't officially concurrent access, even for reading operations.
I quote the code of the linked post (originally written by Ben Mosher).
using System;
using System.Collections.Generic;
using System.Threading;
namespace BlahBlah.Utilities
{
public class ConcurrentHashSet<T> : IDis...
Android Archive Library (aar) vs standard jar
...ect. However it seems that Android has also aar packages, which are the equivalent to the dll files in a Windows OS, as mentioned here :
...