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The difference between Classes, Objects, and Instances
...rence types. The reference types are further divided into the classes and array types. A Java object is an instance of a reference type.
An object is a class instance or an array. (JLS 4.3.1)
That's the type theoretic view.
In practice, most Java developers treat the words "instance" and ...
How to remove items from a list while iterating?
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This is O(N*M) for arrays, it is very slow if you remove many items from a large list. So not recommended.
– Sam Watkins
Sep 15 '15 at 15:04
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What uses are there for “placement new”?
...cle, but I'm not sure I understand the advantage of using this over boost::array. Can you expand on that a bit?
– GrahamS
Feb 10 '11 at 11:52
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What is the difference between class and instance methods?
...methods on many Foundation classes like NSString's +stringWithFormat: or NSArray's +arrayWithArray:. An instance method would be NSArray's -count method.
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Typedef function pointer?
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The readability may start to be really tricky with pointers to functions arrays, and some other even more indirect flavors.
To answer your three questions
Why is typedef used?
To ease the reading of the code - especially for pointers to functions, or structure names.
The syntax looks odd (in t...
重构理论及实践——用工厂模式重构c++后台代码 - C/C++ - 清泛网 - 专注C/C...
...行的新手，还是经验丰富的老鸟，都会在开发中不经意地使用出来——即使你没看过设计模式，也常会自然而然地觉得代码就该这么写。不信？可以翻翻比《设计模式》逼格更高的《POSA：Pattern Oriented Software Architecture》（前者只...
Javascript seconds to minutes and seconds
...gested by Dru)
function str_pad_left(string,pad,length) {
return (new Array(length+1).join(pad)+string).slice(-length);
}
var finalTime = str_pad_left(minutes,'0',2)+':'+str_pad_left(seconds,'0',2);
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Fastest way to list all primes below N
...way-to-list-all-primes-below-n-in-python/3035188#3035188
""" Returns a array of primes, p < n """
assert n>=2
sieve = np.ones(n/2, dtype=np.bool)
for i in xrange(3,int(n**0.5)+1,2):
if sieve[i/2]:
sieve[i*i/2::i] = False
return np.r_[2, 2*np.nonzero(siev...
Unknown provider: $modalProvider
...ar docs tutorial (paragraph: "A Note on Minification") you have to use the array syntax to make sure references are kept correctly for dependency injection:
var PhoneListCtrl = ['$scope', '$http', function($scope, $http) { /* constructor body */ }];
For the Angular UI Bootstrap example you mentio...
Java variable number or arguments for a method
..., "lol"); // Don't matter how many!
foo(new String[] { "foo", "bar" }); // Arrays are also accepted.
foo(); // And even no args.
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