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What is ViewModel in MVC?
...y represents the data that you want to use, nothing else. You can imagine all the unnecessary code and validation if you have a domain model with 30 properties and you only want to update a single value. Given this scenario you would only have this one value/property in the view model and not all ...
Adding Core Data to existing iPhone project
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All the CoreData header files are imported in App_Prefix.pch, so the CoreData classes will be available throughout your Project, so you don't have to manually import the header in the files you need them.
So open up Xcode an...
Functional, Declarative, and Imperative Programming [closed]
...ve expression is the referential transparency (RT) of its sub-expressions. All other attributes are either shared between both types of expressions, or derived from the RT.
A 100% declarative language (i.e. one in which every possible expression is RT) does not (among other RT requirements) allow th...
How are software license keys generated?
... honest, this strikes me as (in)Security Through Obscurity , although I really have no idea how license keys are generated. What is a good (secure) example of license key generation? What cryptographic primitive (if any) are they using? Is it a message digest? If so, what data would they be hashing...
Abandoning changes without deleting from history
...rst time you push this closed head to another repository since you are actually create additional heads in the remote repository when you push. So tell Mercurial that this is okay with --force. People who pull the closed head wont be bothered by any warnings.
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Check if a String contains numbers Java
...ne could do this stuff but the engineers who invented it because it's basically a secret code that only the creators know until they share it.
– JamisonMan111
Jun 21 '18 at 5:47
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Common CSS Media Queries Break Points [duplicate]
...re practical to base them on your particular layout instead. That is, gradually narrow your desktop browser window and observe the natural breakpoints for your content. It's different for every site. As long as the design flows well at each browser width, it should work pretty reliably on any scree...
How do I export UIImage array as a movie?
...riter has an input of type AVAssetWriterInput, which in turn has a method called appendSampleBuffer: that lets you add individual frames to a video stream. Essentially you’ll have to:
1) Wire the writer:
NSError *error = nil;
AVAssetWriter *videoWriter = [[AVAssetWriter alloc] initWithURL:
[...
Escape @ character in razor view engine
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Hi Kasper Skov, I found the @: issue was not actually related to @: at all. It was related to unnecessarily using @Model, in a @if() {} block. The fix was to drop the at sign on Model. I need to avoid using @ when already in server scope. stackoverflow.com/questions/128...
Where to place JavaScript in an HTML file?
...ts.
Of course Levi's comment "just before you need it and no sooner" is really the correct answer, i.e. "it depends".
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