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Business logic in MVC [closed]
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@mud what if we devide our model into two more layers i.e service layer and repository...service layer is responsible for business logic and repository is responsible for data layer...?
– Dragon
Nov 14 '15 at 19:02
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How can I use grep to find a word inside a folder?
...et.txt; 'MobileAppASer*.*' is another way to do the same thing.)
To check more parameters use man grep command.
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Fragment in ViewPager using FragmentPagerAdapter is blank the second time it is viewed
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No kidding? I don't have this code anymore otherwise I would test it. Perhaps this answer will help somebody else.
– howettl
Dec 12 '11 at 17:50
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How to have stored properties in Swift, the same way I had on Objective-C?
... }
}
Provided that you can "add" a property to objective-c class in a more readable manner:
extension SomeType {
private static let association = ObjectAssociation<NSObject>()
var simulatedProperty: NSObject? {
get { return SomeType.association[self] }
set { So...
CSS \9 in width property
...amp; 9, while in all other browsers, #myElement would be 300 pixels wide.
More info
EDIT:
This answer was written in 2011. It should now be noted that this hack also works in IE 10.
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how do I query sql for a latest record date for each user
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Careful with this approach: it can return more than one row per user if they have more than one record per date (max(date) would return a date that would join multiple records). To avoid this issue, it would be preferable to use @dotjoe's solution: stackoverflow.com/...
Integer.toString(int i) vs String.valueOf(int i)
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and so on
In my opinion this is not some historical thing, but it is more useful for a developer to use the method valueOf from the String class than from the proper type, as it leads to fewer changes for us to make.
Sample 1:
public String doStuff(int num) {
// Do something with num...
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How to load images dynamically (or lazily) when users scrolls them into view
...about the same way: afarkas.github.io/lazysizes except I believe it's much more robust and uses more of what's already there (no need for placeholder, for instance, but you can have it if you want).
– cregox
May 28 '15 at 17:19
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How can I extract a predetermined range of lines from a text file on Unix?
...s, replace the pattern space with the next line of input. If
there is no more input then sed exits without processing any more
commands.
q -
Exit sed without processing any more commands or input.
Note that the current pattern space is printed if auto-print is not disabled with the -n o...