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Some questions about Automatic Reference Counting in iOS5 SDK
...objc-arc
compiler flag. ARC is supported in
Xcode 4.2 for Mac OS X v10.6 and v10.7
(64-bit applications) and for iOS 4
and iOS 5. (Weak references are not
supported in Mac OS X v10.6 and iOS
4). There is no ARC support in Xcode
4.1.
-
If I develop a new app for iOS 5 using
...
Java logical operator short-circuiting
...
246
The && and || operators "short-circuit", meaning they don't evaluate the right-hand side...
Cancellation token in Task constructor: why?
...
Max GalkinMax Galkin
16k99 gold badges6161 silver badges108108 bronze badges
...
Storing Image Data for offline web application (client-side storage database)
...mance! between using IndexedDB and local files!
Results
Chrome: Fetch (6.551s), Store (8.247s), Total Elapsed Time: (13.714s)
FireFox: Fetch (0.422s), Store (31.519s), Total Elapsed Time: (32.836s)
IE 10: Fetch (0.668s), Store: (0.896s), Total Elapsed Time: (3.758s)
...
Set NOW() as Default Value for datetime datatype?
...
As of MySQL 5.6.5, you can use the DATETIME type with a dynamic default value:
CREATE TABLE foo (
creation_time DATETIME DEFAULT CURRENT_TIMESTAMP,
modification_time DATETIME ON UPDATE CURRENT_TIMESTAMP
)
Or even combine...
Why Large Object Heap and why do we care?
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196
A garbage collection doesn't just get rid of unreferenced objects, it also compacts the heap. T...
What is the maximum amount of RAM an app can use?
...no idea what "side factors" means.
Early devices had a per-app cap of 16MB; Later devices increased that to 24MB or 32MB
That's about right. Screen resolution is a significant determinant, as larger resolutions mean larger bitmaps, and so tablets and high-resolution phones will tend to have hi...
Logging request/response messages when using HttpClient
....String, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]], Headers:
{
Content-Type: application/json; charset=utf-8
}
"Hello, World!"
Response:
StatusCode: 200, ReasonPhrase: 'OK', Version: 1.1, Content: System.Net.Http.StreamContent, Headers:
{
Date: Fri, 20 Sep 20...
RESTful Alternatives to DELETE Request Body
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answered Mar 18 '13 at 16:36
shelleyshelley
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Understanding offsetWidth, clientWidth, scrollWidth and -Height, respectively
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answered Jan 11 '14 at 15:26
user123444555621user123444555621
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