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NSNotificationCenter addObserver in Swift
...er to un-register itself when being
deallocated. more info
For a block based implementation you need to do a weak-strong dance if you want to use self inside the block. more info
Block based observers need to be removed more info
let center = NSNotificationCenter.defaultCenter()
center.removeO...
Ioc/DI - Why do I have to reference all layers/assemblies in application's entry point?
...raries. Instead, you can use late binding either in the form of convention-based assembly-scanning (preferred) or XML configuration.
When you do that, however, you must remember to copy the assemblies to the application's bin folder, because that no longer happens automatically. Personally, I rarel...
Android Camera Preview Stretched
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I'm using this method -> based on API Demos to get my Preview Size:
private Camera.Size getOptimalPreviewSize(List<Camera.Size> sizes, int w, int h) {
final double ASPECT_TOLERANCE = 0.1;
double targetRatio=(double)h / w;
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Why do we need Abstract factory design pattern?
...ass needs Session (or other context-specific variable)
How to Resolve type based on end-user configuration value?
Strategy Pattern and Dependency Injection using Unity
Abstract factory pattern on top of IoC?
Is this the correct way to use and test a class that makes use of the factory pattern?
DDD B...
Python error “ImportError: No module named”
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Based on your comments to orip's post, I guess this is what happened:
You edited __init__.py on windows.
The windows editor added something non-printing, perhaps a carriage-return (end-of-line in Windows is CR/LF; in unix i...
Primary key/foreign Key naming convention [closed]
...gle, those topics which can only be won through filibuster style endurance based last-man-standing arguments.
Pick one and tell them to focus on issues that actually impact your code.
EDIT: If you want to have fun, have them specify at length why their method is superior for recursive table refer...
Growing Amazon EBS Volume sizes [closed]
...rger block and re-attach your snapshot.
There's a simple walkthrough here based on using Amazon's EC2 command line tools
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How to add an email attachment from a byte array?
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Good point, I noticed when adding file based attachments, I needed to dispose the attachment object to release a handle on the file. Surely the stream should be taken care of by GC, because its not an IO operation?
– JL.
Apr ...
Multiple file extensions in OpenFileDialog
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Based on First answer here is the complete image selection options:
Filter = @"|All Image Files|*.BMP;*.bmp;*.JPG;*.JPEG*.jpg;*.jpeg;*.PNG;*.png;*.GIF;*.gif;*.tif;*.tiff;*.ico;*.ICO
|PNG|*.PNG;*.png
|JP...
puts vs logger in rails rake tasks
...you can add this code into config/environments/development.rb :
if File.basename($0) == 'rake'
# http://stackoverflow.com/questions/2246141/puts-vs-logger-in-rails-rake-tasks
log_file = Rails.root.join("log", "#{Rails.env}.log")
Rails.logger = ActiveSupport::Logger.new(log_file)
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