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Make multiple-select to adjust its height to fit options without scroll bar
...ally make the box shrink to the size of the contents, you have to manually set the number size value, which is fine if you know how many options there are but more of a problem if there is a dynamic number of options. In which case you would have to set resize the size attribute when you populated t...
Does Foreign Key improve query performance?
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Foreign Keys are a referential integrity tool, not a performance tool. At least in SQL Server, the creation of an FK does not create an associated index, and you should create indexes on all FK fields to improve look up times...
NuGet Package Manager errors when trying to update
... editor after snippets, if snippets enabled
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Group vs role (Any real difference?)
...com/workshop/role-group.pdf
A group is a collection of users with a given set of permissions assigned to the group (and transitively, to the users). A role is a collection of permissions, and a user effectively inherits those permissions when he acts under that role.
Typically your group membershi...
What does `kill -0 $pid` in a shell script do?
... trim $(ps -p $1 -o stat --no-headers)
}
function isZombie ()
{
typeset processStatus=$(getProcessStatus $1)
[[ "$processStatus" == "Z" ]]
return $?
}
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How do you connect to multiple MySQL databases on a single webpage?
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is it possible to set one of them to be the default one, and just having to add $dbh2 for the second one only when needed? Having to change all queries for this approach to work would probably take days just finding all of them...
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git pull fails “unable to resolve reference” “unable to update local ref”
... and good operating performance.
man git-remote(1):
git-remote - manage set of tracked repositories
git remote prune [-n | --dry-run] <name>
Deletes all stale remote-tracking branches under <name>. These stale branches have already been
removed from the remote ...
Easy idiomatic way to define Ordering for a simple case class
...into the Scala that can do magic like List((2,1),(1,2)).sorted
There is a set of predefined orderings, e.g. for String, tuples up to 9 arity and so on.
No such thing exists for case classes, since it is not easy thing to roll off, given that field names are not known a-priori (at least without mac...
how to get the last character of a string?
How to get the last character of the string:
12 Answers
12
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How to emulate C array initialization “int arr[] = { e1, e2, e3, … }” behaviour with std::array?
...niform initialization from @DeadMG's code and you've got many new features set. :>
– Xeo
May 24 '11 at 17:36
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