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What is “overhead”?
...e the same size as a pointer, this means a 50% memory overhead, whereas an array can potentially have 0% overhead.
Method call overhead: A well-designed program is broken down into lots of short methods. But each method call requires setting up a stack frame, copying parameters and a return address....
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar
... I change too much code. I'm confused because so many of the examples are array-based instead of CoreData.
11 Answers
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Get everything after the dash in a string in javascript
...parts = the_string.split('-', 2);
// After calling split(), 'parts' is an array with two elements:
// parts[0] is 'sometext'
// parts[1] is '20202'
var the_text = parts[0];
var the_num = parts[1];
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Bundling data files with PyInstaller (--onefile)
...le.py
step: Open the .spec file of the python file and append the a.datas array and add the icon to the exe class, which was given above before the edit in 3'rd step.
step: Save and exit the path file. Go to your folder which include the spec and py file. Open again the console window and type the ...
Alternate FizzBuzz Questions [closed]
...es, because in Ruby it's as easy as pushing the numbers (in order) into an array, then reversing the entire array. ideone.com/MKKb6
– Kerrick
May 23 '12 at 2:31
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Mongoose: Get full list of users
...s.send(userMap);
});
});
find() returns all matching documents in an array, so your last code snipped sends that array to the client.
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How to clone ArrayList and also clone its contents?
How can I clone an ArrayList and also clone its items in Java?
21 Answers
21
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Convert List into Comma-Separated String
... In .NET 3.5 and below you have to explicitly convert your list to array with lst.ToArray(), as there is no direct overload there yet.
– Anton
Dec 15 '13 at 11:09
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How do I perform the SQL Join equivalent in MongoDB?
...eld from the documents of the "from" collection>,
as: <output array field>
}
}
Of course Mongo is not a relational database, and the devs are being careful to recommend specific use cases for $lookup, but at least as of 3.2 doing join is now possible with MongoDB.
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Seedable JavaScript random number generator
... Math.floor(randomUnder1 * rangeSize);
}
RNG.prototype.choice = function(array) {
return array[this.nextRange(0, array.length)];
}
var rng = new RNG(20);
for (var i = 0; i < 10; i++)
console.log(rng.nextRange(10, 50));
var digits = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9'...