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Does JSON syntax allow duplicate keys in an object?
...tandard, because of the first quote.
Here are two examples related to the C++ standard library. When deserializing some JSON object into a std::map it would make sense to refuse duplicate keys. But when deserializing some JSON object into a std::multimap it would make sense to accept duplicate keys...
pinpointing “conditional jump or move depends on uninitialized value(s)” valgrind message
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Meaning of Open hashing and Closed hashing
...1) for insert, search, etc.
This is a example of separate chaining using C++ with a simple hash function using mod operator (clearly, a bad hash function)
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How to implement Enums in Ruby?
...ncluding any gems.
This is very similar (and more with features) to Java, C++ enums.
Quoted from http://edgeapi.rubyonrails.org/classes/ActiveRecord/Enum.html :
class Conversation < ActiveRecord::Base
enum status: [ :active, :archived ]
end
# conversation.update! status: 0
conversation.acti...
How to use enums as flags in C++?
...y in C# via the [Flags] attribute, but what's the best way to do this in C++?
22 Answers
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What is stability in sorting algorithms and why is it important?
...rithm is a binary tree sort; the Wikipedia article has a pathetically easy C++ implementation based on the STL.
You can make an unstable algorithm into a stable one by adding the original record number as the last-place key for each record.
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Inline functions in C#?
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By comparison, C++'s inline suggestions, even the compiler-specific ones, also don't actually force an inline: not all functions can be inlined (fundamentally things like recursive functions are hard, but there are other cases too). So yea...
Program only crashes as release build — how to debug?
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In 100% of the cases I've seen or heard of, where a C or C++ program runs fine in the debugger but fails when run outside, the cause has been writing past the end of a function local array. (The debugger puts more on the stack, so you're less likely to overwrite something importan...
What is the purpose of the Visual Studio Hosting Process?
...ature on every new project. I've run into strange issues when working with C++/CLI WinForms Designer, that didn't occur with this feature disabled.
– surfen
Jul 13 '12 at 11:12
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Advantages of Antlr (versus say, lex/yacc/bison) [closed]
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