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When should you use 'friend' in C++?
...ange the name.
You can take this simple example further by considering a more complex class such as a Window. Quite likely a Window will have many function/data elements that should not be publicly accessible, but ARE needed by a related class such as a WindowManager.
class Child
{
//Mother class...
What is HEAD in Git?
...he commit from which the working tree's current state was initialized. In more practical terms, it can be thought of as a symbolic reference to the checked-out commit.
– Ben Collins
Dec 9 '13 at 7:25
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Saving an Object (Data persistence)
...code as in my example -- I purposefully wrote it the way I did to show how more than one object could be saved into (and later read back from) the same file.
– martineau
Dec 25 '10 at 9:57
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What's the difference between SCSS and Sass?
From what I've been reading, Sass is a language that makes CSS more powerful with variable and math support.
13 Answers
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Gradient of n colors ranging from color 1 and color 2
...u can give the resulting vector of colours to colorRampPalette to generate more colours along that ramp. For example: colorRampPalette(brewer.pal(8, "Spectral")).
– jbaums
Apr 30 '14 at 23:15
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Testing two JSON objects for equality ignoring child order in Java
...t' relationship of the children, not equality. the 'other' object may have more children then in _children, and this method would still return true.
– Yoni
Feb 13 '10 at 7:28
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PyCharm shows unresolved references error for valid code
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How do I get the last four characters from a string in C#?
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+1 because i think yours is slightly more readable than @dtb's
– George Duckett
Jun 20 '11 at 15:29
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What is the fastest integer division supporting division by zero no matter what the result is?
... turned out to be such a popular question and answer, I'll elaborate a bit more. The above example is based on programming idiom that a compiler recognizes. In the above case a boolean expression is used in integral arithmetic and the use of condition flags are invented in hardware for this purpose....