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Difference in make_shared and normal shared_ptr in C++
Many google and stackoverflow posts are there on this, but I am not able to understand why make_shared is more efficient than directly using shared_ptr .
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Delete element in a slice
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Where a is the slice, and i is the index of the element you want to delete:
a = append(a[:i], a[i+1:]...)
... is syntax for variadic arguments in Go.
Basically, when defining a function it puts all the arguments that you pass into one slice of...
Passing a dictionary to a function as keyword parameters
...reat, just used it with argparse/__dict__ to make it really easy to do command line argument parsing directly into options for a class object.
– Horus
Jun 14 '12 at 3:47
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Returning binary file from controller in ASP.NET Web API
...ng ASP.NET MVC's new WebAPI that will serve up binary files, mostly .cab and .exe files.
7 Answers
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What is hashCode used for? Is it unique?
...an item? For example I want to identify a picture or a song in the device, and check it whereabout. This could be done if the hashcode given for specific items is unique.
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What does send() do in Ruby?
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send sends a message to an object instance and its ancestors in class hierarchy until some method reacts (because its name matches the first argument).
Practically speaking, those lines are equivalent:
1.send '+', 2
1.+(2)
1 + 2
Note that send bypasses visibility ...
Node.js or Erlang
I really like these tools when it comes to the concurrency level it can handle.
9 Answers
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How to check if an NSDictionary or NSMutableDictionary contains a key?
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And what if the key does exist, but it's corresponding value is nil?
– Fyodor Soikin
May 6 '10 at 21:30
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Remove spaces from std::string in C++
...emove spaces from a string in C++? I could loop through all the characters and build a new string, but is there a better way?
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When to use Cast() and Oftype() in Linq
... two methods of casting types to IEnumerable from an Arraylist in Linq and wondering in which cases to use them?
7 Answ...