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When should I release objects in -(void)viewDidUnload rather than in -dealloc?
...uld have been set through IBOutlets when loading from a nib, or programmatically inside -loadView, for instance.
The additional ownership of subviews by the UIViewController means that even when its view is removed from the view hierarchy and released to save memory, through which the subviews are ...
Benchmarking small code samples in C#, can this implementation be improved?
...eat change (I wish I could +1 it). @Mike im not sure, i suspect the virtualcall overhead will be much higher that the comparison and assignment, so the performance diff will be negligible
– Sam Saffron
Jun 27 '09 at 0:05
...
What is the direction of stack growth in most modern systems?
...puny little wristwatch.
If the CPU provides any kind of choice, the ABI / calling convention used by the OS specifies which choice you need to make if you want your code to call everyone else's code.
The processors and their direction are:
x86: down.
SPARC: selectable. The standard ABI uses dow...
html5 localStorage error with Safari: “QUOTA_EXCEEDED_ERR: DOM Exception 22: An attempt was made to
...owsing mode, it appears as though localStorage is available, but trying to call setItem throws an exception.
store.js line 73
"QUOTA_EXCEEDED_ERR: DOM Exception 22: An attempt was made to add something to storage that exceeded the quota."
What happens is that the window object still exposes local...
Easiest way to pass an AngularJS scope variable from directive to controller?
...o:isolatedFoo})">Submit</button>
<i>// And this calls a function on the parent scope.</i>
</div>
</my-component>
</div>
var myModule = angular.module('myModule', [])
.directive('myComponent', function () {
return {
...
C state-machine design [closed]
...ot C++) have all come down to a struct array and a loop. The structure basically consists of a state and event (for look-up) and a function that returns the new state, something like:
typedef struct {
int st;
int ev;
int (*fn)(void);
} tTransition;
Then you define your states and even...
HTML “overlay” which allows clicks to fall through to elements behind it [duplicate]
...aw arbitrary graphics), and I've come to the point where I can stack it inside of a element on top of everything, but this prevents the user from clicking on any links/buttons/etc.
Is there a way to have its content float on top of everything (it's semi-transparent, so you can still see what is beh...
Placing an image to the top right corner - CSS
...ent img {
position: absolute;
top: 0px;
right: 0px;
}
<div id="content">
<img src="images/ribbon.png" class="ribbon"/>
<div>some text...</div>
</div>
share
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...
UILongPressGestureRecognizer gets called twice when pressing down
...ture {
if(UIGestureRecognizerStateBegan == gesture.state) {
// Called on start of gesture, do work here
}
if(UIGestureRecognizerStateChanged == gesture.state) {
// Do repeated work here (repeats continuously) while finger is down
}
if(UIGestureRecognizerStateEnd...
Should I use Java date and time classes or go with a 3rd party library like Joda Time?
...al time" (e.g "wake me at 7am wherever I am") and an instant in time ("I'm calling James at 3pm PST; it may not be 3pm where he is, but it's the same instant")
I believe it makes it easier to update the timezone database, which does change relatively frequently
It has a good immutability story, whic...