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Function passed as template argument
...
When the function is used in a template parameter it 'decays' into a pointer to the passed function. It's analagous to how arrays decay into pointers when passed as arguments to parameters. Of course, the pointer value is known at compile time and must point to a f...
Generic TryParse
...es if the parse was successful. It returns your parsed value via an output parameter. Sometimes I just want to do something like this SomeMethod(TryParse<int>(DollarTextbox.Text, int.TryParse)) without creating an output variable to catch the result from int.TryParse. However, I do agree with ...
How do you redirect to a page using the POST verb?
...notherValue) {
// would probably do something non-trivial here with the param values
return View();
}
That works easily and there is no funny business really going on - this allows you to maintain the fact that the second one really only accepts HTTP POST requests (except in this instance, w...
What requirement was the tuple designed to solve?
...htweight than a class" is useful in many, many places, not just for formal parameter lists of methods. It's useful when a method has two things to return, or when you want to key a dictionary off of two data rather than one, and so on.
Languages like F# which support tuple types natively provide ...
What is the maximum possible length of a .NET string?
... }
#region Helper methods
private static void WL(object text, params object[] args)
{
Console.WriteLine(text.ToString(), args);
}
private static void RL()
{
Console.ReadLine();
}
private static void Break()
{
System.Diagnostics....
Determine which JAR file a class is from
...e local file system, will find the absolute path to that jar file.
*
* @param context The jar file that contained the class file that represents this class will be found. Specify {@code null} to let {@code LiveInjector}
* find its own jar.
* @throws IllegalStateException If the s...
Wait for all promises to resolve
... is resolved when
all of the input promises are resolved.
The promises param can be an array of promises.
About bind(), More info here: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/bind
...
Error handling principles for Node.js + Express.js applications?
...nyone who might come across this in the future, it looks like the order of params for "method e" is actually err, req, res, next (instead of req, res, next, err).
– Clint Harris
Aug 22 '11 at 22:30
...
Unauthorised webapi call returning login page rather than 401
...
Using POSTMAN and header param X-Requested-With: XMLHttpRequest works for me... thanks
– chemitaxis
May 10 '14 at 19:43
...
Call a function with argument list in python
...def wrapper(func, *args):
The * next to args means "take the rest of the parameters given and put them in a list called args".
In the line:
func(*args)
The * next to args here means "take this list called args and 'unwrap' it into the rest of the parameters.
So you can do the following:
...