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Check play state of AVPlayer
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To get notification for reaching the end of an item (via Apple):
[[NSNotificationCenter defaultCenter]
addObserver:<self>
selector:@selector(<#The selector name#>)
name:AVPlayerItemDidPlayToEndTimeNotification...
Default height for section header in UITableView
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In IOS 5.0 onwards you can return UITableViewAutomaticDimension in most of the delegate methods. Its at the bottom of the documentation page
- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)se...
MySQL - force not to use cache for testing speed of query
...bad. It was query_cache_size I was looking at, not query_cache_type. I was mixing up yours and SeniorDev's answer.
– Mike
Apr 23 '13 at 3:55
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What is the AppDelegate for and how do I know when to use it?
...design approach implied by Andrew's use of the term "heart of your application". What I mean by this is that I think you should avoid lumping too many things in a central location -- good program design normally involves separating functionality by "area of concern".
A delegate object is an object ...
Where do you store your salt strings?
...I will provide a slightly different take on this.
I always store the salt mixed in with the salted-password hash.
For example, I will place the first half of the salt before the salted-hash of the password, and the last half of the salt after the salted-hash of the password. The application is awa...
Can I change multiplier property for NSLayoutConstraint?
...f you have only have two sets of multipliers that need to be applied, from iOS8 onwards you can add both sets of constraints and decide which should be active at any time:
NSLayoutConstraint *standardConstraint, *zoomedConstraint;
// ...
// switch between constraints
standardConstraint.active = NO...
How to convert an int to a hex string?
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You are looking for the chr function.
You seem to be mixing decimal representations of integers and hex representations of integers, so it's not entirely clear what you need. Based on the description you gave, I think one of these snippets shows what you want.
>>> chr...
Is .NET/Mono or Java the better choice for cross-platform development? [closed]
... isn't implemented everywhere, and it lags behind the Microsoft implementation significantly. The Java SDK seems to stay in better sync across platforms (and it works on more platforms).
I'd also say Java has more tool availability across all those platforms, although there are plenty of tools a...
How do I update all my CPAN modules to their latest versions?
... CentOS installed Perl then don't use CPAN or CPANMINUS with these! Never mix with OS packages!! Instead use Perlbrew to brew your own perl (and then use cpanminus etc within this).
– draegtun
Jun 6 '14 at 19:31
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Check if application is on its first run [duplicate]
I am new to android development and and I want to setup some of application's attributes based on Application first run after installation. Is there any way to find that the application is running for the first time and then to setup its first run attributes?
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