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How to make a promise from setTimeout
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121
Update (2017)
Here in 2017, Promises are built into JavaScript, they were added by the ES2015...
Git: Find the most recent common ancestor of two branches
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1056
You are looking for git merge-base. Usage:
$ git merge-base branch2 branch3
050dc022f3a65bdc...
create multiple tag docker image
...e ids:
$ docker images
Then tag away:
$ docker tag 9f676bd305a4 ubuntu:13.10
$ docker tag 9f676bd305a4 ubuntu:saucy
$ docker tag eb601b8965b8 ubuntu:raring
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In a javascript array, how do I get the last 5 elements, excluding the first element?
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You can call:
arr.slice(Math.max(arr.length - 5, 1))
If you don't want to exclude the first element, use
arr.slice(Math.max(arr.length - 5, 0))
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How to get position of a certain element in strings vector, to use it as an index in ints vector?
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159
To get a position of an element in a vector knowing an iterator pointing to the element, simpl...
select into in mysql
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127
Use the CREATE TABLE SELECT syntax.
http://dev.mysql.com/doc/refman/5.0/en/create-table-selec...
Laravel orderBy on a relationship
...n = Input::get('orderBy', 'defaultColumn');
$comments = User::find(1)->comments()->orderBy($column)->get();
// use $comments in the template
}
}
default User model + simple Controller example; when getting the list of comments, just apply the orderBy() based on Input:...
Difference between float and decimal data type
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In JavaScript can I make a “click” event fire programmatically for a file input element?
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edited Oct 17 '08 at 0:17
answered Oct 16 '08 at 23:35
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MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update
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192
Beginning with MongoDB 2.4, it's no longer necessary to rely on a unique index (or any other w...