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Singleton: How should it be used
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Answer:
Use a Singleton if:
You need to have one and only one object of a type in system
Do not use a Singleton if:
You want to save memory
You want to try something new
You want to show off how much you know
Because everyone else is doing it (See cargo cult programmer in...
What is the difference between 'protected' and 'protected internal'?
Can someone please elaborate me the difference between 'protected' and 'protected internal' modifiers in C#?
It looks they behave in same manner.
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Is functional GUI programming possible? [closed]
I've recently caught the FP bug (trying to learn Haskell), and I've been really impressed with what I've seen so far (first-class functions, lazy evaluation, and all the other goodies). I'm no expert yet, but I've already begun to find it easier to reason "functionally" than imperatively for basic ...
In Python, when should I use a function instead of a method?
...nt "can't kill it."
Moving away from this analogy, why do we use methods and classes? Because we want to contain data and hopefully structure our code in a manner such that it will be reusable and extensible in the future. This brings us to the notion of encapsulation which is so dear to OO design...
What's the difference between a word and byte?
I've done some research.
A byte is 8 bits and a word is the smallest unit that can be addressed on memory. The exact length of a word varies. What I don't understand is what's the point of having a byte? Why not say 8 bits?
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How to Implement Custom Table View Section Headers and Footers with Storyboard
...g a storyboard we could simply drag a UIView onto the canvas, lay it out and then set it in the tableView:viewForHeaderInSection or tableView:viewForFooterInSection delegate methods.
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iOS 6: How do I restrict some views to portrait and allow others to rotate?
...vels deep. I want the first three views restricted to portrait orientation and only the last view should be allowed to rotate to landscape. When returning from the fourth view to the third and the fourth view was in landscape orientation I want everything to rotate back to portrait.
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What is the difference between a Docker image and a container?
...en using Docker, we start with a base image. We boot it up, create changes and those changes are saved in layers forming another image.
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Best way to store time (hh:mm) in a database
I want to store times in a database table but only need to store the hours and minutes.
I know I could just use DATETIME and ignore the other components of the date, but what's the best way to do this without storing more info than I actually need?
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What's the point of Spring MVC's DelegatingFilterProxy?
...ds a bean ("target bean" or "delegate") in your Spring application context and invokes it. How is it possible? Because this bean implements javax.servlet.Filter, its doFilter method is called.
Which bean is called? the DelegatingFilterProxy "Supports a "targetBeanName" [...], specifying the name of...