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Is std::vector copying the objects with a push_back?
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answered Feb 16 '10 at 17:57
Alexander GesslerAlexand...
How do BitTorrent magnet links work?
...cs and didn't find any answers. The wiki says xt means "exact topic" and is followed by the format ( btih in this case) with a SHA1 hash. I saw base32 mentioned, knowing it's 5 bits per character and 32 characters, I found it holds exactly 160bits, which is exactly the size of the SHA1.
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Javascript “this” pointer within nested function
I have a question concerning how the "this" pointer is treated in a nested function scenario.
8 Answers
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Inconsistent Accessibility: Parameter type is less accessible than method
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Constructor of public class clients is public but it has a parameter of type ACTInterface that is private (it is nested in a class?). You can't do that. You need to make ACTInterface at least as accessible as clients.
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Scale image to fit a bounding box
Is there a css-only solution to scale an image into a bounding box (keeping aspect-ratio)? This works if the image is bigger than the container:
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How to understand nil vs. empty vs. blank in Ruby
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.nil? can be used on any object and is true if the object is nil.
.empty? can be used on strings, arrays and hashes and returns true if:
String length == 0
Array length == 0
Hash length == 0
Running .empty? on something that is nil will throw a NoMethodErr...
Difference between “!==” and “==!” [closed]
Yesterday I stumbled over this when I modified PHP code written by someone else. I was baffled that a simple comparison ( if ($var ==! " ") ) didn't work as expected. After some testing I realized that whoever wrote that code used ==! instead of !== as comparison operator. I've never seen ==! ...
Passing arguments to “make run”
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edited Mar 16 at 19:11
Community♦
111 silver bad...
Static method behavior in multi-threaded environment in java
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Hans Passant's answer is good. But I thought I would try and explain at a slightly more simple level for anybody who comes across this and is newish to Java. Here goes..
Memory in java is split up into two kinds - the heap and the stacks. The hea...
What is a Question Mark “?” and Colon “:” Operator Used for? [duplicate]
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This is the ternary conditional operator, which can be used anywhere, not just the print statement. It's sometimes just called "the ternary operator", but it's not the only ternary operator, just the most common one.
Here's a g...
