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When is it acceptable to call GC.Collect?

...ant set of objects - particularly those you suspect to be in generations 1 and 2 - are now eligible for garbage collection, and that now would be an appropriate time to collect in terms of the small performance hit. A good example of this is if you've just closed a large form. You know that all the...
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Can one do a for each loop in java in reverse order?

...> original) { return new Reversed<T>(original); } } And you would use it like: import static Reversed.reversed; ... List<String> someStrings = getSomeStrings(); for (String s : reversed(someStrings)) { doSomethingWith(s); } ...
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TypeScript: problems with type system

I'm just testing typescript in VisualStudio 2012 and have a problem with its type system. My html site has a canvas tag with the id "mycanvas". I'm trying to draw a rectangle on this canvas. Here's the code ...
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Comparing two strings, ignoring case in C# [duplicate]

... The first one is the correct one, and IMHO the more efficient one, since the second 'solution' instantiates a new string instance. share | improve this answe...
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Pairwise crossproduct in Python [duplicate]

... Note that for pre-2.6 use, you can simply copy-and-paste the pure Python implementation from the linked documentation. – Mike Graham Mar 29 '10 at 21:34 ...
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Remove ':hover' CSS behavior from element

... I would use two classes. Keep your test class and add a second class called testhover which you only add to those you want to hover - alongside the test class. This isn't directly what you asked but without more context it feels like the best solution and is possibly the...
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Iterate through a C++ Vector using a 'for' loop

I am new to the C++ language. I have been starting to use vectors, and have noticed that in all of the code I see to iterate though a vector via indices, the first parameter of the for loop is always something based on the vector. In Java I might do something like this with an ArrayList: ...
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PHP: How to use array_filter() to filter array keys?

...in strings. You can also use ARRAY_FILTER_USE_BOTH to have both the value and the key passed to your filter function. Here's a contrived example based upon the first, but note that I'd not recommend encoding filtering rules using $allowed this way: $my_array = ['foo' => 1, 'bar' => 'baz', 'h...
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Escaping regex string

... as a regex pattern for a search over some text. It works, but how I can handle cases where user puts characters that have meaning in regex? ...
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Call a global variable inside module

...p;A format though as I am suggesting they do add specific type information and the answer shows how and where they would put it. – Fenton Nov 7 '12 at 13:53 14 ...