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How do I measure separate CPU core usage for a process?
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141
You can still do this in top. While top is running, press '1' on your keyboard, it will then ...
What's the difference between lists enclosed by square brackets and parentheses in Python?
...A list is mutable, meaning you can change its contents:
>>> x = [1,2]
>>> x.append(3)
>>> x
[1, 2, 3]
while tuples are not:
>>> x = (1,2)
>>> x
(1, 2)
>>> x.append(3)
Traceback (most recent call last):
File "<stdin>", line 1, in <m...
The modulo operation on negative numbers in Python
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134
Unlike C or C++, Python's modulo operator (%) always return a number having the same sign as t...
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...
PHP: merge two arrays while keeping keys instead of reindexing?
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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,
...
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...
How to format a number as percentage in R?
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