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Binding to static property
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This answer is more appropriate to my case because I don't want to introduce DependencyObject to my source class. Thanks for the tip!
– Anthony Brien
Jun 2 '09 at 15:30
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What does send() do in Ruby?
... some method reacts (because its name matches the first argument).
Practically speaking, those lines are equivalent:
1.send '+', 2
1.+(2)
1 + 2
Note that send bypasses visibility checks, so that you can call private methods, too (useful for unit testing).
If there is really no variable before...
Favorite Django Tips & Features?
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This alleviates you from always type os.path.join() which gets annoying pretty fast: j = lambda filename: os.path.join(PROJECT_DIR, filename). Then you just need to type j("static").
– wr.
Ma...
Cannot create an NSPersistentStoreCoordinator with a nil model
...to "Model" as argument. But Xcode refuses to load it, but this file as actually there! I don't know, what's happening.
– Darmen Amanbayev
Oct 7 '13 at 5:45
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Find out what process registered a global hotkey? (Windows API)
...is compilable in Delphi 2007 with a couple of tweaks.
It's a DLL with a call to SetWindowsHookEx that passes through a callback function, which can then intercept key strokes: In this case, it's tinkering with them for fun, changing left cursor to right, etc. A simple app then calls the DLL and re...
How to get the IP address of the docker host from inside a docker container
...r, that's what bridge IP can give you (of course in the stndard "home" installation). Why anybody would need "real" host IP if it can be even outside of docker bridge and can be unaccessible? This is the solution for all people who just installed docker and want to play with it in a short time.
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HTML5 Local Storage fallback solutions [closed]
...tracting away the tedious stuff. With enough research and time, you can usually figure out how to make it work, regardless of max-size. Of course, it looks like the author of that project decided it was too much...
– William
Jan 20 '16 at 23:43
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How can I change image tintColor in iOS and WatchKit
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iOS
For an iOS app, in Swift 3, 4 or 5:
theImageView.image = theImageView.image?.withRenderingMode(.alwaysTemplate)
theImageView.tintColor = UIColor.red
For Swift 2:
theImageView.image = theImageView.image?.imageWithRenderingMode(UIIma...
libpng warning: iCCP: known incorrect sRGB profile
...geMagick's
convert in.png out.png
To remove the invalid iCCP chunk from all of the PNG files in a folder (directory), you can use mogrify from ImageMagick:
mogrify *.png
This requires that your ImageMagick was built with libpng16. You can easily check it by running:
convert -list format | gre...
Swift native base class or NSObject
... of NSObject:
are Objective-C classes themselves
use objc_msgSend() for calls to (most of) their methods
provide Objective-C runtime metadata for (most of) their method implementations
Swift classes that are not subclasses of NSObject:
are Objective-C classes, but implement only a handful of m...