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Assigning code to a variable
...n easier form by understanding its concept:
// Create a normal function
void OnButtonClick()
{
MessageBox.Show("Hello World!");
}
// Now we create a delegate called ButtonClick
delegate void ButtonClick();
You see, the delegate takes the form of a normal function but without any arguments (It...
How to structure a express.js application?
...you are familiar with the MVC Pattern (rails, Asp.Net mvc, etc) then I consider my Routes to be my controllers and everything kind of falls into place after that. Business logic goes in the models (although I am having difficulties with validation and mongoose). For helpers, I use Exports on a sim...
How to cancel a Task in await?
...y unchanged since then) and the Task-Based Asynchronous Pattern, which provides guidelines on how to use CancellationToken with async methods.
To summarize, you pass a CancellationToken into each method that supports cancellation, and that method must check it periodically.
private async Task TryT...
Why is the .bss segment required?
...
For example, consider having many uninitialized buffers 4096 bytes in length. Would you want all of those 4k buffers to contribute to the size of the binary? That would be a lot of wasted space.
– Jeff Mercado
...
XmlSerializer: remove unnecessary xsi and xsd namespaces
...ed.
// It doesn't throw any exceptions, but in my testing, it didn't always work.
// new XmlQualifiedName(string.Empty, string.Empty), // And don't do this:
// new XmlQualifiedName("", "")
// DO THIS:
new XmlQualifiedName(string.Empty, "...
When is memoization automatic in GHC Haskell?
... indicates. This can be problematic in some situations. For example, consider the function
f = \x -> let y = [1..30000000] in foldl' (+) 0 (y ++ [x])
GHC might notice that y does not depend on x and rewrite the function to
f = let y = [1..30000000] in \x -> foldl' (+) 0 (y ++ [x])
In t...
Set the location in iPhone Simulator
...u a sub menu with:
None
Custom Location
Apple Stores
Apple
City Bicycle Ride
City Run
Freeway Drive
Custom Location lets you enter a Lat/Long value. Bicycle ride, City Run, and Freeway Drive are simulation of a moving location (in Cupertino, of course).
Of course, this does nothing to help wit...
What is the difference between customErrors and httpErrors?
...andles requests within the ASP.NET application AND/OR handles requests outside the - ASP.NET application *
all files and URLs are handled *
Note: it is no longer necessary to use customErrors
Quoted source: Custom 404 and error pages in ASP.NET (excellent article)
ExecuteURL serves dynami...
How to design a database for User Defined Fields?
... less code needed than for the
original options 1, 3, & 4.
Other Considerations:
If there is anything about the
nature of the data that would make
sense for the UDFs to be grouped,
that should be encouraged. That way,
those data elements can be combined
into a single table. For example,
let'...
CSS triangle custom border color
...the triangle have a white background with a 1px border (around the angled sides of the triangle) with color #CAD5E0. Is this possible? Here's what I have so far:
...