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iPhone - Grand Central Dispatch main thread
... data on background queue -> signal main queue that message has arrived
etc etc
As to why you might want to dispatch to the main queue from the main queue... Well, you generally wouldn't although conceivably you might do it to schedule some work to do the next time around the run loop.
...
Which Boost features overlap with C++11?
... → std::ratio
Static Assert → static_assert
Thread → <thread>, etc (but check this question).
Typeof → auto, decltype
Value initialized → List-initialization (§8.5.4/3)
Math/Special Functions → <cmath>, see the list below
gamma function (tgamma), log gamma function (lgamm...
In what situations would AJAX long/short polling be preferred over HTML5 WebSockets?
...m the fact that you would need to setup websocket on the server (handlers, etc.) There is simply no reason to use Long polling over websocket. Websocket is much faster (low latency) and allows the server to "talk" to the client without the client asking it to. Nowadays I use signalr (one of the best...
How do I check if a string contains a specific word?
... === is best option (in my opinion) all aspect considered (speed, accuracy etc).
– Melsi
Dec 15 '12 at 12:28
10
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What's the best way to join on the same table twice?
...when it comes to joining the same table multiple times or using subqueries etc.
I would just clean things up a bit:
SELECT t.PhoneNumber1, t.PhoneNumber2,
t1.SomeOtherFieldForPhone1, t2.someOtherFieldForPhone2
FROM Table1 t
JOIN Table2 t1 ON t1.PhoneNumber = t.PhoneNumber1
JOIN Table2 t2 ON t2...
Using async-await on .net 4
...nged a lot close to the beta stage and to the release. It may be unstable, etc.
If you want to introduce easy async operations in your application I would recommend you to use Reactive Extensions and stuff built on top (Reactive UI, etc), it is just beautiul.
As for VS2012, it also contains the sa...
Why is creating a new process more expensive on Windows than Linux?
...eateProcess' in Windows and having it load the exe image, associated dlls, etc.
In the fork case the OS can use 'copy-on-write' semantics for the memory pages associated with both new processes to ensure that each one gets their own copy of the pages they subsequently modify.
...
Using an ORM or plain SQL? [closed]
...cuss is basic state-management. This entire stack of frameworks (JSF, JPA, etc) is based on Java beans get/set methods. This is a TON of boilerplate for every table, for every column and ... here's the real anti-pattern: Just to expose every field as if it were public. In effect, having a get/set me...
How does mockito when() invocation work?
... is recorded already, determining if the invocation represents a new stub, etc. The default state is that if a stub is not already registered for the method being invoked, a type-appropriate empty value is returned.
Now, let's look at the code in your example:
when(mock.method()).thenReturn(some...
Flask vs webapp2 for Google App Engine
... a framework to my projects unless they solve the more advanced use cases (file upload, multi auth, admin ui are 3 examples of more advanced use cases that no framework for gae at the moment handles well.
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