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How can I select an element with multiple classes in jQuery?
... also swap the classes:
$('.b.a')
So to match a div element that has an ID of a with classes b and c, you would write:
$('div#a.b.c')
(In practice, you most likely don't need to get that specific, and an ID or class selector by itself is usually enough: $('#a').)
...
Is there a performance difference between CTE , Sub-Query, Temporary Table or Table Variable?
...es not seem to take advantage of this basic optimization method (you might call this common subquery elimination).
Temporary tables are a different matter, because you are providing more guidance on how the query should be run. One major difference is that the optimizer can use statistics from the...
How To Check If A Key in **kwargs Exists?
...your code slower, and requires a bit more typing, but if interfaces of the called function (in this case print) changes, you don't need to change your code. This approach reduces development time while supporting all interface changes.
...
How can I make an svg scale with its parent container?
... viewbox="0 0 1000 1000"
Viewbox is an important attribute because it basically tells the SVG what size to draw and where. If you used CSS to make the SVG 1000x1000 px but your viewbox was 2000x2000, you would see the top-left quarter of your SVG.
The first two numbers, min-x and min-y, determine ...
How to compare if two structs, slices or maps are equal?
... option.
func TestPerson(t *testing.T) {
type person struct {
ID int
Name string
}
p1 := person{ID: 1, Name: "john doe"}
p2 := person{ID: 2, Name: "john doe"}
println(cmp.Equal(p1, p2))
println(cmp.Equal(p1, p2, cmpopts.IgnoreFields(person{}, "ID")))
...
form_for with nested resources
...er.rb
app/controllers/comments_controller.rb
just as it says at http://guides.rubyonrails.org/routing.html#nested-resources, with no special namespaces.
But partials and forms become tricky. Note the square brackets:
<%= form_for [@article, @comment] do |f| %>
Most important, if you want...
Adding data attribute to DOM
... It also has to be a string - $('div').attr('data-info', ''+info.id)
– daviestar
Mar 17 '14 at 5:15
1
...
angularjs: ng-src equivalent for background-image:url(…)
... ng-src which has the purpose that you won't receive an error for an invalid url before angularjs gets to evaluate the variables placed in between {{ and }} .
...
When would you use .git/info/exclude instead of .gitignore to exclude files?
...cached <path-name> will delete it from the repository, but keep it locally. git update-index --skip-worktree <path-name> will ignore changes to the file, but keep it in the repository. Out of curiosity: Why do you want the sln-file excluded? It's an important part of a .Net solution ri...
Reference assignment operator in PHP, =&
...irror changes made to another, instead of copying the existing data.
It's called assignment by reference, which, to quote the manual, "means that both variables end up pointing at the same data, and nothing is copied anywhere".
The only thing that is deprecated with =& is "assigning the result...