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Is there a way to access an iteration-counter in Java's for-each loop?
...our own counter.
The reason for this is that the for-each loop internally does not have a counter; it is based on the Iterable interface, i.e. it uses an Iterator to loop through the "collection" - which may not be a collection at all, and may in fact be something not at all based on indexes (such ...
z-index not working with position absolute
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The second div is position: static (the default) so the z-index does not apply to it.
You need to position (set the position property to anything other than static, you probably want relative in this case) anything you want to give a z-index to.
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A regular expression to exclude a word/string
...So, considering regexes in Pycharm search Alix's solution works, the other does not.
– fanny
Sep 16 '16 at 14:13
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count(*) vs count(column-name) - which is more correct? [duplicate]
Does it make a difference if you do count(*) vs count(column-name) as in these two examples?
5 Answers
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How to clone all remote branches in Git?
...ckOverflow has grown quite a bit in terms of quality.
This "answer" really does not address the question at all. In fact, few of the top-voted answers do.
Here are two answers that will work as of git v2.28.0:
https://stackoverflow.com/a/4754797/430062
https://stackoverflow.com/a/7216269/430062
F...
How do I convert an enum to a list in C#? [duplicate]
...t because SomeEnum will be a value type, and because array type covariance does not work with value types, they couldn't even declare the return type as an object[] or Enum[]. (This is different from e.g. this overload of GetCustomAttributes from .NET 1.0 which has compile-time return type object[] ...
Git diff to show only lines that have been modified
... diff -U0 | grep '^[+-]' | grep -Ev '^(--- a/|\+\+\+ b/)'
The code above does the following:
git diff -U0: choose 0 context lines
The first grep only includes all lines starting with + or -
The second grep excludes lines starting with --- a/ or +++ b/
Color
To show colored diff, try the follo...
java: HashMap not working
HashMap<String, int> doesn't seem to work but HashMap<String, Integer> does work.
Any ideas why?
5 Answers
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Best way to merge two maps and sum the values of same key?
...addition of the two mapped values (as that's what Int's semigroup operator does), hence 100 + 9. If the values had been Strings, a collision would have resulted in string concatenation of the two mapped values (again, because that's what the semigroup operator for String does).
(And interestingly,...
Removing first x characters from string?
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This doesn't work like you'd think text = 'liplip' >>> text.lstrip(text[:3]) '' because for one str.lstrip([chars]) The chars argument is not a prefix; rather, all combinations of its values are stripped:
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