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Concept of void pointer in C programming
...rneath the pointer and hence the size.
void* p = ...
void *p2 = p + 1; /* what exactly is the size of void?? */
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How should I use git diff for long lines?
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The display of the output of git diff is handled by whatever pager you are using.
Commonly, under Linux, less would be used.
You can tell git to use a different pager by setting the GIT_PAGER environment variable. If you don't mind about paging (for example, your terminal al...
Using LINQ to remove elements from a List
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What's the reason for using HashSet for another collection?
– 123 456 789 0
Aug 7 '12 at 1:51
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What is the difference between :first-child and :first-of-type?
...number of elements matched by :nth-of-type(). This is covered in detail in What is the difference between p:nth-child(2) and p:nth-of-type(2)?
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Get nth character of a string in Swift programming language
... and more efficient by sharing storage with the original string, so that's what the subscript functions should return.
Try it out here
extension StringProtocol {
subscript(offset: Int) -> Character { self[index(startIndex, offsetBy: offset)] }
subscript(range: Range<Int>) -> Su...
querySelector search immediate children
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What a surprise: only Edge doesn't support this : )
– Xenos
Oct 30 '19 at 18:15
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Trying to fix line-endings with git filter-branch, but having no luck
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Could you tell me what the purpose of the git reset is, please?
– crdx
Sep 13 '12 at 15:58
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How can I safely encode a string in Java to use as a filename?
... approach, meaning don't try and filter out bad characters. Instead define what is OK. You can either reject the filename or filter it. If you want to filter it:
String name = s.replaceAll("\\W+", "");
What this does is replaces any character that isn't a number, letter or underscore with nothing...
Best timestamp format for CSV/Excel?
...t are accurate at least to the second, and preferably to the millisecond. What's the best format for timestamps in a CSV file such that they can be parsed accurately and unambiguously by Excel with minimal user intervention?
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How to get milliseconds from LocalDateTime in Java 8
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I'm not entirely sure what you mean by "current milliseconds" but I'll assume it's the number of milliseconds since the "epoch," namely midnight, January 1, 1970 UTC.
If you want to find the number of milliseconds since the epoch right now, then ...