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Design Pattern for Undo Engine
...this once and it worked very slick. The biggest thing you have to do is avoid the direct use of pointers or references in the model.
Every reference to another object uses some identifier (like an integer). Whenever the object is needed, you lookup the current definition of the object from a table....
How to scroll the window using JQuery $.scrollTo() function
...it's not working why don't you try using jQuery's scrollTop method?
$("#id").scrollTop($("#id").scrollTop() + 100);
If you're looking to scroll smoothly you could use basic javascript setTimeout/setInterval function to make it scroll in increments of 1px over a set length of time.
...
Objective-C pass block as parameter
...g the * with a ^. One way to pass a block to a method is as follows:
- (void)iterateWidgets:(void (^)(id, int))iteratorBlock;
But as you can see, that's messy. You can instead use a typedef to make block types cleaner:
typedef void (^ IteratorBlock)(id, int);
And then pass that block to a meth...
creating list of objects in Javascript
...
var list = [
{ date: '12/1/2011', reading: 3, id: 20055 },
{ date: '13/1/2011', reading: 5, id: 20053 },
{ date: '14/1/2011', reading: 6, id: 45652 }
];
and then access it:
alert(list[1].date);
...
How to add Web API to an existing ASP.NET MVC 4 Web Application project?
...nfig.cs:
using System.Web.Http;
class WebApiConfig
{
public static void Register(HttpConfiguration configuration)
{
configuration.Routes.MapHttpRoute("API Default", "api/{controller}/{id}",
new { id = RouteParameter.Optional });
}
}
Global.asax.cs:
using System.W...
How to convert “camelCase” to “Camel Case”?
... letter, resulting in something like "Thi String" or "This tring" . Any ideas?
11 Answers
...
Image inside div has extra space below the image
...adjust the vertical-align of the image to position it elsewhere (e.g. the middle) or
change the display so it isn't inline.
div {
border: solid black 1px;
margin-bottom: 10px;
}
#align-middle img {
vertical-align: middle;
}
#align-base img {
vertical-align: bottom;
}
#d...
What is the difference between Integrated Security = True and Integrated Security = SSPI?
...
According to Microsoft they are the same thing.
When false, User ID and Password are specified in the connection. When true, the current Windows account credentials are used for authentication.
Recognized values are true, false, yes, no, and sspi (strongly recommended), which is equivale...
When to use “ON UPDATE CASCADE”
...
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 generate an ObjectId with mongoose?
I'd like to generate a MongoDB ObjectId with Mongoose. Is there a way to access the ObjectId constructor from Mongoose?
...