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Are JavaScript strings immutable? Do I need a “string builder” in JavaScript?
... one doesn't affect the other
let a = b = "hello";
a = a + " world";
// b is not affected
However, I've always heard what Ash mentioned in his answer (that using Array.join is faster for concatenation) so I wanted to test out the different methods of concatenating strings and abstracting the fast...
What is “Orthogonality”?
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Orthogonality is the property that means "Changing A does not change B". An example of an orthogonal system would be a radio, where changing the station does not change the volume and vice-versa.
A non-orthogonal system would be like a...
How costly is .NET reflection?
I constantly hear how bad reflection is to use. While I generally avoid reflection and rarely find situations where it is impossible to solve my problem without it, I was wondering...
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How can HTML5 “replace” Flash? [closed]
A topic of debate that's seen a resurgence since the unveiling of the iPad is the issue of Flash versus HTML5. There are those that suggest that HTML5 will one day supplant/replace Adobe Flash.
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How can you do anything useful without mutable state?
... understand most of it, but the one thing I just can't wrap my head around is stateless coding. It seems to me that simplifying programming by removing mutable state is like "simplifying" a car by removing the dashboard: the finished product may be simpler, but good luck making it interact with end...
What is thread contention?
Can someone please explain simply what thread contention is?
10 Answers
10
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Why does Python pep-8 strongly recommend spaces over tabs for indentation?
I see on Stack Overflow and PEP 8 that the recommendation is to use spaces only for indentation in Python programs. I can understand the need for consistent indentation and I have felt that pain.
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Can a constructor in Java be private?
Can a constructor be private? How is a private constructor useful?
15 Answers
15
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What is the difference between sigaction and signal?
...l() interface has antiquity (and hence availability) in its favour, and it is defined in the C standard. Nevertheless, it has a number of undesirable characteristics that sigaction() avoids - unless you use the flags explicitly added to sigaction() to allow it to faithfully simulate the old signal(...
No newline at end of file
...ot have a newline (usually '\n', aka CR or CRLF) at the end of file.
That is, simply speaking, the last byte (or bytes if you're on Windows) in the file is not a newline.
The message is displayed because otherwise there is no way to tell the difference between a file where there is a newline at th...