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Factory pattern in C#: How to ensure an object instance can only be created by a factory class?
...d a custom one. also, in this case there is literally nothing to be gained from using a static "constructor" instead of just doing the validation in the real constructor (since it's part of the class anyway). it's even WORSE, since you can now get a null return value, opening up for NREs and "what t...
JavaScript private methods
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If you make an object McDonalds() inherit from Restaurant() McDonalds can't override private methods if you declare them in this way. Well, actually you can, but it will not work if some other method calls the private, it will call the original version of the method ...
Difference between Dictionary and Hashtable [duplicate]
...with ILookup<>: it also implements an Enumerator, which is different from the Dictionary enumerator. When a Linq operator is used on the multivaluedictionary, it can't chose which enumerator to use as it also can use IEnumerable<TKey, IGrouping<TKey, TValue>>, even though ILookup i...
C# Passing Function as Argument [duplicate]
... the naming that makes code readable and as you say that does not stop you from passing lambdas into the code.
– Ian Johnson
Sep 1 '10 at 23:13
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UIWebView open links in Safari
I have a very simple UIWebView with content from my application bundle. I would like any links in the web view to open in Safari instead of in the web view. Is this possible?
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GoogleTest: How to skip a test?
...udio C++). How can I turn off a given test? (aka how can I prevent a test from running). Is there anything I can do besides commenting out the whole test?
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Shell command to sum integers, one per line?
...ype equation to bc.
paste -s -d+ infile | bc
Alternatively, when piping from stdin,
<commands> | paste -s -d+ - | bc
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Why Doesn't C# Allow Static Methods to Implement an Interface?
...ld give Animal a const property, which would still allow it to be accessed from a static context, and return that value in the implementation.
public class Animal: IListItem {
/* Can be tough to come up with a different, yet meaningful name!
* A different casing convention, like Java has, ...
Method Resolution Order (MRO) in new-style classes?
... H
# (In this example, A is a child of B, so imagine an edge going FROM A TO B)
# 2. Remove all classes that aren't eventually inherited by A
# A^
# / | \
# / | \
# B^ C^ D^
# / | \ /
# / | X
# / |/ \
# E^ F^ G^
# ...
Does use of final keyword in Java improve the performance?
...le objects, on the other hand, can have arbitrarily complex state spaces.. From my personal experience, using the keyword final should highlight the intent of the developer to lean toward immutability, not to "optimize" code. I encourage you to read this chapter, fascinating !
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