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How do I avoid capturing self in blocks when implementing an API?
... retained. If you're not using Automatic Reference Counting (ARC), you can do this:
__block MyDataProcessor *dp = self;
self.progressBlock = ^(CGFloat percentComplete) {
[dp.delegate myAPI:dp isProcessingWithProgress:percentComplete];
}
The __block keyword marks variables that can be modified...
What does “program to interfaces, not implementations” mean?
...
Interfaces are just contracts or signatures and they don't know
anything about implementations.
Coding against interface means, the client code always holds an Interface object which is supplied by a factory. Any instance returned by the factory would be of type Interface w...
SVN best-practices - working in a team
... unit tests". Any work that can't yet meet the standards of trunk must be done in a branch.
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Enterprise Library Unity vs Other IoC Containers [closed]
...well (some have AOP, and better gizmos, but generally all I want an IOC to do is create and retrieve objects for me)
Note: the differences between the different libraries object retrieval can be negated by using the CommonServiceLocator: http://www.codeplex.com/CommonServiceLocator
That leaves us ...
How do SQL EXISTS statements work?
...derstanding EXISTS statements. I came across this quote about "exists" and don't understand something:
7 Answers
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Suppressing deprecated warnings in Xcode
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You can also do this on a per-file basis. See this answer for adding per-file flags: stackoverflow.com/a/6658549/272473
– mrwalker
Sep 7 '12 at 20:08
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How do I free my port 80 on localhost Windows?
...n cmd:
net stop http
Asked me "The following services will be stopped, do you want to continue?" Pressed y
It stopped a number of services actually.
Then wrote localhost and wallah, Apache is up and running on port 80.
Hope this helps
Important: Skype uses port 80 by default, you can change ...
What's the difference(s) between .ToList(), .AsEnumerable(), AsQueryable()?
...s on AsEnumerable and AsQueryable and mention ToList() along the way.
What do these methods do?
AsEnumerable and AsQueryable cast or convert to IEnumerable or IQueryable, respectively. I say cast or convert with a reason:
When the source object already implements the target interface, the source ob...
Spring: Why do we autowire the interface and not the implemented class?
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How does spring know which polymorphic type to use.
As long as there is only a single implementation of the interface and that implementation is annotated with @Component with Spring's component scan enabled, Spring framework c...
How do I get the path to the current script with Node.js?
...
I found it after looking through the documentation again. What I was looking for were the __filename and __dirname module-level variables.
__filename is the file name of the current module. This is the resolved absolute path of the current module file. (ex:/ho...