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C# 5 async CTP: why is internal “state” set to 0 in generated code before EndAwait call?
... was giving a talk about the new C# "async" feature, in particular delving into what the generated code looked like, and the GetAwaiter() / BeginAwait() / EndAwait() calls.
...
Mock vs MagicMock
...y was MagicMock made a separate thing rather than just folding the ability into the default mock object?
A: One reasonable answer is that the way MagicMock works is that it preconfigures all these protocol methods by creating new Mocks and
setting them, so if every new mock created a bunch of...
What are copy elision and return value optimization?
...
Introduction
For a technical overview - skip to this answer.
For common cases where copy elision occurs - skip to this answer.
Copy elision is an optimization implemented by most compilers to prevent extra (potentially expens...
ASP.NET MVC ambiguous action methods
...ased solely on signature, so this will fail:
public ActionResult MyMethod(int someInt) { /* ... */ }
public ActionResult MyMethod(string someString) { /* ... */ }
However, it does support method overloading based on attribute:
[RequireRequestValue("someInt")]
public ActionResult MyMethod(int som...
What does the exclamation mark mean in a Haskell declaration?
...ok at an example, so that we can see just what this means:
data Foo = Foo Int Int !Int !(Maybe Int)
f = Foo (2+2) (3+3) (4+4) (Just (5+5))
The function f above, when evaluated, will return a "thunk": that is, the code to execute to figure out its value. At that point, a Foo doesn't even exist ye...
Mutex example / tutorial? [closed]
...td::mutex m;//you can use std::lock_guard if you want to be exception safe
int i = 0;
void makeACallFromPhoneBooth()
{
m.lock();//man gets a hold of the phone booth door and locks it. The other men wait outside
//man happily talks to his wife from now....
std::cout << i <&...
Cocoa Core Data efficient way to count entities
...t subentities. Default is YES (i.e. include subentities)
NSError *err;
NSUInteger count = [moc countForFetchRequest:request error:&err];
if(count == NSNotFound) {
//Handle error
}
[request release];
share
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What are JavaScript's builtin strings?
..., Infinity, true, false, and "[object Object]". Some of them can be easily converted to strings, e.g. 1/!1+[] gives "Infinity".
I have analyzed different build-in methods for arrays [], objects {}, regular expressions /(?:)/, numbers 1.1, strings "1", and discovered one beautiful method of RegExp ob...
Pair/tuple data type in Go
...nal exercise of the Tour of Go , I decided I needed a queue of ( string , int ) pairs. That's easy enough:
3 Answers
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What's the use of Jade or Handlebars when writing AngularJs apps
...e is completely unrealistic. taking the source of the page I'm viewing now converts 2320 lines to 1580 ( Using html2jade ). Thats more than 700 lines of time wasted for whoever wrote all the stackoverflow templates
– Philipp Gayret
Feb 5 '14 at 18:11
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