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How to customize the back button on ActionBar

I have been able to customize the action bar's background, logo image and text color using suggestions from these: Android: How to change the ActionBar "Home" Icon to be something other than the app icon? ActionBar text color ActionBar background image ...
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how to get the cookies from a php curl into a variable

...at this is the right answer. I think its ridiculous that curl can't just hand me a mapped array though. – thirsty93 May 22 '09 at 15:26 3 ...
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val-mutable versus var-immutable in Scala

...that means is that, if I have an expression "e", I could make a val x = e, and replace e with x. This is the property that mutability break. Whenever you need to make a design decision, maximize for referential transparency. As a practical matter, a method-local var is the safest var that exists, s...
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What is the difference between “ is None ” and “ ==None ”

...o quote: A class is free to implement comparison any way it chooses, and it can choose to make comparison against None mean something (which actually makes sense; if someone told you to implement the None object from scratch, how else would you get it to compare True against itself...
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Overriding superclass property with different type in Swift

...properties. Instead you can create an extra variable in the subclass that handles the new class type: class Chassis {} class RacingChassis : Chassis {} class Car { var chassis = Chassis() } class RaceCar: Car { var racingChassis = RacingChassis() override var chassis: Chassis { ...
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What's the difference between the four File Results in ASP.NET MVC

...uld like to return as a file FilePathResult - when you have a file on disk and would like to return its content (you give a path) FileStreamResult - you have a stream open, you want to return its content as a file However, you'll rarely have to use these classes - you can just use one of Controlle...
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What is the use of the JavaScript 'bind' method?

...clicked You can also add extra parameters after the 1st (this) parameter and bind will pass in those values to the original function. Any additional parameters you later pass to the bound function will be passed in after the bound parameters: // Example showing binding some parameters var sum = f...
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How is std::function implemented?

...ed by the compiler creating a class with overloaded function call operator and the referenced variables as members. This suggests that the size of lambda expressions varies, and given enough references variables that size can be arbitrarily large . ...
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What is Lazy Loading?

...tion is probably doing a lot of eager loading... loading things from disk, and doing calculations and whatnot long before it is ever needed. Compare this to lazy loading, the application would start much faster, but then the first time you need to do something that requires some long running load, ...
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Redirecting from HTTP to HTTPS with PHP

I'm working on a shopping cart website and I would like to redirect the user to a HTTPS page when he's entering his billing details and maintain the HTTPS connection for the next pages until he logs out. ...