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C# operator overload for `+=`?
...o x)
{
return new Foo(c1.c1 + x.c1);
}
}
static void Main(string[] args)
{
Foo d1 = new Foo (10);
Foo d2 = new Foo(11);
d2 += d1;
}
This code will be compiled and successfully run as:
IL_0000: nop
IL_0001: ldc.i4.s 10
IL_0003: newobj instance void Cons...
How to validate an email address using a regular expression?
...may not be exactly what you want to achieve. For example, it accepts these strings as valid e-mail addresses:
"user1@hotmail.com; user2@gmail.com"
"user1@hotmail.com; user2@gmail.com; user3@company.com"
"User Display Name user3@company.com"
"user4 @company.com"
In some of these cases, only the l...
Reading file contents on the client-side in javascript in various browsers
... if it can get to the server, it can get back to the browser, just with an extra round trip. Given the work that is going into making offline mode work for web apps, this would be a reasonable feature.
– Brian Campbell
Apr 16 '09 at 2:31
...
How to keep a .NET console app running?
...
I prefer using the Application.Run
static void Main(string[] args) {
//Do your stuff here
System.Windows.Forms.Application.Run();
//Cleanup/Before Quit
}
from the docs:
Begins running a standard application message loop on the current thread, without a form....
From an array of objects, extract value of a property as array
... the value of a property in an object.
Additionally, _.map() now allows a string to be passed in as the second parameter, which is passed into _.property(). As a result, the following two lines are equivalent to the code sample above from pre-Lodash 4.
var result = _.map(objArray, 'foo');
var resu...
Run a single migration file
...iveRecord::Migration
def change
add_column :products, :part_number, :string
end
end
You can create an instance of the migration and run migrate(:up) or migrate(:down) on an instance, like this:
$ rails console
>> require "db/migrate/20090408054532_add_part_number_to_products.rb"
>...
django urls without a trailing slash do not redirect
... request.path = request.path + '/'
# we don't need query string in path_info because it's in request.GET already
request.path_info = request.path
response = self.handler.get_response(request)
return response
...
Python: Get relative path from comparing two absolute paths
... part, you can just do
>>> ''.join(lson[len(lparent):])
It's a string, but you can of course use it as a constructor of an other Path object.
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How to dismiss keyboard for UITextView with return key?
...tView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text {
if([text isEqualToString:@"\n"]) {
[textView resignFirstResponder];
return NO;
}
return YES;
}
Swift 4.0 update:
func textView(_ textView: UITextView, shouldChangeTextIn range:...
How to correctly save instance state of Fragments in back stack?
... To help save time for others, App.VSTUP and App.STAV are both string tags that represent the objects they are trying to obtain. Example: savedState = savedInstanceState.getBundle(savedGamePlayString); or savedState.getDouble("averageTime")
– Tanner Hallman
...