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What is the difference between == and Equals() for primitives in C#?
...e == operator is defined as taking two ints (or shorts or longs).
When you call it with an int and a short, the compiler will implicitly convert the short to int and compare the resulting ints by value.
Other ways to make it work
Primitive types also have their own Equals() method that accepts the s...
How do I compile and run a program in Java on my Mac?
.../Users/David/HelloWorld.java". This simple program declares a single class called HelloWorld, with a single method called main. The main method is special in Java, because it is the method the Java runtime will attempt to call when you tell it to execute your program. Think of it as a starting point...
How to find SQL Server running port?
...N'Server is listening on'
GO
http://www.mssqltips.com/sqlservertip/2495/identify-sql-server-tcp-ip-port-being-used/
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Passing an integer by reference in Python
...nt binds a "Name"(s) on the left to an "Object"(s) on the right. When you call a function, you pass the "Object" (effectively binding it to a new local name within the function).
– mgilson
Apr 8 '13 at 12:25
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Advantages of using prototype, vs defining methods straight in the constructor? [duplicate]
...aration is hoisted, but not the assignment. For example:
// Error, fn is called before the function is assigned!
fn();
var fn = function () { alert("test!"); }
// Works as expected: the fn2 declaration is hoisted above the call
fn2();
function fn2() { alert("test!"); }
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What is the fastest way to compute sin and cos together?
...at not all modern compilers optimize calculation of sine and cosine into a call to FSINCOS. In particular, my VS 2008 didn't do it that way.
Edit:
The first example link is dead, but there is still a version at the Wayback Machine.
...
How to cancel an $http request in AngularJS?
...defer();
$http.get('/someUrl', {timeout: canceler.promise}).success(successCallback);
// later...
canceler.resolve(); // Aborts the $http request if it isn't finished.
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Explaining Python's '__enter__' and '__exit__'
...A useful example could be a database connection object (which then automagically closes the connection once the corresponding 'with'-statement goes out of scope):
class DatabaseConnection(object):
def __enter__(self):
# make a database connection and return it
...
retur...
Naming Classes - How to avoid calling everything a “Manager”? [closed]
...e based on metaphors. A class in your code can't be literally a nanny; you call it a nanny because it looks after some other things very much like a real-life nanny looks after babies or kids. That's OK in informal speech, but not OK (in my opinion) for naming classes in code that will have to be ma...
NSAttributedString add text alignment
...aphStyleCreate(settings, settingsCount);
NSDictionary *attributes = @{(__bridge id)kCTParagraphStyleAttributeName : (__bridge id)paragraphRef};
NSAttributedString *attributedString = [[NSAttributedString alloc] initWithString:@"Hello World" attributes:attributes];
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