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Filter Java Stream to 1 and only 1 element
...tors.toList(),
list -> {
if (list.size() != 1) {
throw new IllegalStateException();
}
return list.get(0);
}
);
}
We use Collectors.collectingAndThen to construct our desired Collector by
Collecting o...
PHP: merge two arrays while keeping keys instead of reindexing?
...
You can simply 'add' the arrays:
>> $a = array(1, 2, 3);
array (
0 => 1,
1 => 2,
2 => 3,
)
>> $b = array("a" => 1, "b" => 2, "c" => 3)
array (
'a' => 1,
'b' => 2,
'c' => 3,
)
>> $a + $b
array (
0 => 1,
1 => 2,
...
Change date of git tag (or GitHub Release based on it)
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119
WARNING: This will not preserve tag messages for annotated tags.
Summary
For each tag th...
How to format a number as percentage in R?
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10 Answers
10
Active
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Cannot resolve the collation conflict between “SQL_Latin1_General_CP1_CI_AS” and “Latin1_General_CI_
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315
You have a mismatch of two different collations in your table. You can check what collations ea...
Delete specific line number(s) from a text file using sed?
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If you want to delete lines 5 through 10 and 12:
sed -e '5,10d;12d' file
This will print the results to the screen. If you want to save the results to the same file:
sed -i.bak -e '5,10d;12d' file
This will back the file up to file.bak, and delete the given...