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“[notice] child pid XXXX exit signal Segmentation fault (11)” in apache error.log [closed]
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found the solution: call set follow-fork-mode child and then attach to the parent process (the one that spawns child processes) -> stackoverflow.com/questions/15126925/…
– maxgalbu
Feb 27 '14 at 14:48
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Can I make a pull request on a gist on GitHub?
... question until it happens.
I recommend instead creating one regular repo called gists and ordering your gists into regular folders.
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Check if object value exists within a Javascript array of objects and if not add a new object to arr
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I've assumed that ids are meant to be unique here. some is a great function for checking the existence of things in arrays:
const arr = [{ id: 1, username: 'fred' }, { id: 2, username: 'bill' }, { id: 3, username: 'ted' }];
function ad...
What is the difference between id and class in CSS, and when should I use them? [duplicate]
Here I gave an id to the div element and it's applying the relevant CSS for it.
15 Answers
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How do I Moq a method that has an optional argument in its signature without explicitly specifying i
...pose of specifying a default value. The default value is a convenience for calling code, but I think that you should be explicit in your tests. Say you could leave out specifying the bool parameter. What happens if, in future, someone changes the default value of b to true? This will lead to failing...
MySQL select 10 random rows from 600K rows fast
...m AS r1 JOIN
(SELECT CEIL(RAND() *
(SELECT MAX(id)
FROM random)) AS id)
AS r2
WHERE r1.id >= r2.id
ORDER BY r1.id ASC
LIMIT 1
This supposes that the distribution of ids is equal, and that there can be gaps in the id list. See the ar...
How to find largest objects in a SQL Server database?
...ceMB
FROM
sys.tables t
INNER JOIN
sys.indexes i ON t.object_id = i.object_id
INNER JOIN
sys.partitions p ON i.object_id = p.object_id AND i.index_id = p.index_id
INNER JOIN
sys.allocation_units a ON p.partition_id = a.container_id
WHERE
t.name NOT LIKE 'dt%' AND
i.o...
Showing empty view when ListView is empty
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It should be like this:
<TextView android:id="@android:id/empty"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:text="No Results" />
Note the id attribute.
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What does it mean to start a PHP function with an ampersand?
...e return-by-reference
to increase performance. The engine
will automatically optimize this on
its own. Only return references when
you have a valid technical reason to
do so.
See Returning References.
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Unresolved external symbol on static class members
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// because static data initialization will happen on every constructor call.
}
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