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When to use “ON UPDATE CASCADE”
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It's true that if your primary key is just a identity value auto incremented, you would have no real use for ON UPDATE CASCADE.
However, let's say that your primary key is a 10 digit UPC bar code and because of expansion, you need to change it to a 13-digit UPC bar cod...
How can I disable a button on a jQuery UI dialog?
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If you're including the .button() plugin/widget that jQuery UI contains (if you have the full library and are on 1.8+, you have it), you can use it to disable the button and update the state visually, like this:
$(".ui-dialog-buttonpane button:contains('Confirm')")....
@Html.HiddenFor does not work on Lists in ASP.NET MVC
...lating this list with items i grab from SQL Server. I want the List to be hidden in the view and passed to the POST action. Later on i may want to add more items to this List with jQuery which makes an array unsuitable for expansion later on. Normally you would use
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MongoDB Many-to-Many Association
...ntain the roles in separate documents then you can include the document's _id in the roles array instead of the name:
{name:"Joe"
,roles:["4b5783300334000000000aa9","5783300334000000000aa943","6c6793300334001000000006"]
}
and set up the roles like:
{_id:"6c6793300334001000000006"
,rolename:"Engi...
Best way to do multi-row insert in Oracle?
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This works in Oracle:
insert into pager (PAG_ID,PAG_PARENT,PAG_NAME,PAG_ACTIVE)
select 8000,0,'Multi 8000',1 from dual
union all select 8001,0,'Multi 8001',1 from dual
The thing to remember here is to use the from dual statement.
(source)
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Execute stored procedure with an Output parameter?
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I think the answer by Jaider below completes this answer since I myself would be interested in the written command and not the mouse solution.
– Alwyn Schoeman
Dec 6 '17 at 2:30
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How to not wrap contents of a div?
I've got a fixed-width div with two buttons in it. If the labels of the buttons are too long, they wrap – one button stays on the first line, and the next button follows underneath it instead of adjacent to it.
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How to add footnotes to GitHub-flavoured Markdown?
...r superscript tags, e.g. <sup>1</sup>.
¹Of course this isn't ideal, as you are now responsible for maintaining the numbering of your footnotes. It works reasonably well if you only have one or two, though.
shar...
anchor jumping by using javascript
...the complicated way:
function jump(h){
var top = document.getElementById(h).offsetTop; //Getting Y of target element
window.scrollTo(0, top); //Go there directly or some transition
}
Demo: http://jsfiddle.net/DerekL/rEpPA/
Another one w/ transition: http://jsfidd...
How to get the class of the clicked element?
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"class" is not a valid variable name.
– Fred Bergman
Oct 20 '09 at 9:17
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