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What is the difference between Factory and Strategy patterns?
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A factory pattern is a creational pattern. A strategy pattern is an operational pattern. Put another way, a factory pattern is used to create objects of a specific type. A strategy pattern is use to perform an operation (or set of operations...
Why is it slower to iterate over a small string than a small list?
I was playing around with timeit and noticed that doing a simple list comprehension over a small string took longer than doing the same operation on a list of small single character strings. Any explanation? It's almost 1.35 times as much time.
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Why doesn't .NET/C# optimize for tail-call recursion?
I found this question about which languages optimize tail recursion. Why C# doesn't optimize tail recursion, whenever possible?
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Choosing Mobile Web HTML5 Framework [closed]
...n searching for a framework with support of HTML5 and runs on mobile, that is IPhone, IPads. I found out these:
11 Answers
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Why should I not wrap every block in “try”-“catch”?
... always been of the belief that if a method can throw an exception then it is reckless not to protect this call with a meaningful try block.
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0.1 float is greater than 0.1 double. I expected it to be false [duplicate]
... mode when converting the double to float. float has 24 binary bits of precision, and double has 53. In binary, 0.1 is:
0.1₁₀ = 0.0001100110011001100110011001100110011001100110011…₂
^ ^ ^ ^
1 10 20 24
So if we round up at the 24th ...
Do browsers parse javascript on every page load?
...I've been able to dig up. It's worth noting first that although JavaScript is usually considered to be interpreted and run on a VM, this isn't really the case with the modern interpreters, which tend to compile the source directly into machine code (with the exception of IE).
Chrome : V8 Engine
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Encrypting & Decrypting a String in C# [duplicate]
What is the most modern (best) way of satisfying the following in C#?
7 Answers
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What is the difference between CHARACTER VARYING and VARCHAR in PostgreSQL?
...ER VARYING in the places where I use VARCHAR .
I am a beginner, while he is an expert.
This suggests me that there is something which I do not know.
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How to avoid having class data shared among instances?
What I want is this behavior:
7 Answers
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