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What is the difference between CMD and ENTRYPOINT in a Dockerfile?
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15 Answers
15
Active
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Int division: Why is the result of 1/3 == 0?
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16 Answers
16
Active
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Is the LIKE operator case-sensitive with MSSQL Server?
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101
It is not the operator that is case sensitive, it is the column itself.
When a SQL Server in...
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...
Traverse a list in reverse order in Python
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1254
Use the built-in reversed() function:
>>> a = ["foo", "bar", "baz"]
>>> fo...
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...
Which SQL query is faster? Filter on Join criteria or Where clause?
...LEFT JOIN
TableXRef x
ON x.TableAID = a.ID
AND a.ID = 1
LEFT JOIN
TableB b
ON x.TableBID = b.ID
or this:
SELECT *
FROM TableA a
LEFT JOIN
TableXRef x
ON x.TableAID = a.ID
LEFT JOIN
TableB b
ON b.id = x.TableBID
WHERE a.id = 1
The...
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,
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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 ...