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How to handle checkboxes in ASP.NET MVC forms?
...
Html.CheckBox is doing something weird - if you view source on the resulting page, you'll see there's an <input type="hidden" /> being generated alongside each checkbox, which explains the "true false" values you're seeing for each form element.
Try this, which definitely works on ASP.NET...
What is the most compatible way to install python modules on a Mac?
...ny problems. I think you may be confused as to the use of certain MacPorts scripts and environment variables.
MacPorts python_select is used to select the "current" version of Python, but it has nothing to do with modules. This allows you to, e.g., install both Python 2.5 and Python 2.6 using MacPo...
When NOT to use yield (return) [duplicate]
...ined structures. For example, I often see this:
public static IEnumerable<T> PreorderTraversal<T>(Tree<T> root)
{
if (root == null) yield break;
yield return root.Value;
foreach(T item in PreorderTraversal(root.Left))
yield return item;
foreach(T item in Pr...
How to manually set an authenticated user in Spring Security / SpringMVC
...vletRequest request) {
try {
// Must be called from request filtered by Spring Security, otherwise SecurityContextHolder is not updated
UsernamePasswordAuthenticationToken token = new UsernamePasswordAuthenticationToken(username, password);
token.setDetails(new WebAuthen...
Map and Reduce in .NET
...gregate:
Enumerable.Range(1, 10).Aggregate(0, (acc, x) => acc + x);
Filter is Where:
Enumerable.Range(1, 10).Where(x => x % 2 == 0);
https://www.justinshield.com/2011/06/mapreduce-in-c/
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LINQ to Entities only supports casting EDM primitive or enumeration types with IEntity interface
...ension method. I'm not sure why it works, though.
public static T GetById<T>(this IQueryable<T> collection, Guid id)
where T : class, IEntity
{
//...
}
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Is it possible to make an HTML anchor tag not clickable/linkable using CSS?
...an use this css:
.inactiveLink {
pointer-events: none;
cursor: default;
}
And then assign the class to your html code:
<a style="" href="page.html" class="inactiveLink">page link</a>
It makes the link not clickeable and the cursor style an arrow, not a hand as the links have....
In MVC, how do I return a string result?
...
You can just use the ContentResult to return a plain string:
public ActionResult Temp() {
return Content("Hi there!");
}
ContentResult by default returns a text/plain as its contentType. This is overloadable so you can also do:
return Content("<x...
Convert from List into IEnumerable format
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You don't need to convert it. List<T> implements the IEnumerable<T> interface so it is already an enumerable.
This means that it is perfectly fine to have the following:
public IEnumerable<Book> GetBooks()
{
List<Book> books = Fet...
How can I iterate over an enum?
... ( int fooInt = One; fooInt != Last; fooInt++ )
{
Foo foo = static_cast<Foo>(fooInt);
// ...
}
Please note, the enum Last is meant to be skipped by the iteration. Utilizing this "fake" Last enum, you don't have to update your terminating condition in the for loop to the last "real" enu...