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Changing the selected option of an HTML Select element
...ain old JavaScript:
var val = "Fish";
var sel = document.getElementById('sel');
document.getElementById('btn').onclick = function() {
var opts = sel.options;
for (var opt, j = 0; opt = opts[j]; j++) {
if (opt.value == val) {
sel.selectedIndex = j;
break;
}
}
...
Cookies vs. sessions
...hat time, I preferred cookies (and who does not like cookies?!) and just said: "who cares? I don't have any good deal with storing it in my server", so, I went ahead and used cookies for my bachelor graduation project. However, after doin' the big part of my app, I heard that for the particular case...
How to customize a Spinner in Android
...d a custom height to the dropdown of a Spinner , say 30dp, and I want to hide the dividers of the dropdown list of Spinner .
...
Eager load polymorphic
...: true
# For Rails < 4
belongs_to :shop, foreign_key: 'reviewable_id', conditions: "reviews.reviewable_type = 'Shop'"
# For Rails >= 4
belongs_to :shop, -> { where(reviews: {reviewable_type: 'Shop'}) }, foreign_key: 'reviewable_id'
# Ensure review.shop returns nil unless revi...
css label width not taking effect
...e to align the labels and the input fields.
For some reason when I give a width to the label selector, nothing happens:
6 A...
Adding a new array element to a JSON object
...ript Object, then stringify back to JSON
var jsonStr = '{"theTeam":[{"teamId":"1","status":"pending"},{"teamId":"2","status":"member"},{"teamId":"3","status":"member"}]}';
var obj = JSON.parse(jsonStr);
obj['theTeam'].push({"teamId":"4","status":"pending"});
jsonStr = JSON.stringify(obj);
// "{"th...
How to map calculated properties with JPA and Hibernate
...doesn't offer any support for derived property so you'll have to use a provider specific extension. As you mentioned, @Formula is perfect for this when using Hibernate. You can use an SQL fragment:
@Formula("PRICE*1.155")
private float finalPrice;
Or even complex queries on other tables:
@Formul...
Select statement to find duplicates on certain fields
...
http://support.microsoft.com/kb/139444
There should be a criterion for deciding how you define "first rows" before you use the approach in the link above. Based on that you'll need to use an order by clause and a sub query if needed. If you can post some sample data, it would really help.
...
How do I access my SSH public key?
...
cat ~/.ssh/id_rsa.pub or cat ~/.ssh/id_dsa.pub
You can list all the public keys you have by doing:
$ ls ~/.ssh/*.pub
share
|
improve...
Render Partial View Using jQuery in ASP.NET MVC
...r has an action named details that does:
public ActionResult Details( int id )
{
var model = ...get user from db using id...
return PartialView( "UserDetails", model );
}
This is assuming that your partial view is a container with the id detailsDiv so that you just replace the entire thi...