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Function for Factorial in Python

... Existing solution The shortest and probably the fastest solution is: from math import factorial print factorial(1000) Building your own You can also build your own solution. Generally you have two approaches. The one that suits me best is: from itertools import imap def factorial(x): r...
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ASP.NET MVC A potentially dangerous Request.Form value was detected from the client when using a cus

...k code because it’s sealed, private or whatever to protect ignorant devs from doing dangerous stuff, but it’s not too difficult to create a working custom model binder that respects the AllowHtml and ValidateInput attributes: public class MyModelBinder: IModelBinder { public object BindMod...
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Entity Framework: One Database, Multiple DbContexts. Is this a bad idea? [closed]

...multiple context types - for example shared entity types and their passing from one context to another, etc. Generally it is possible, it can make your design much cleaner and separate different functional areas but it has its costs in additional complexity. ...
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Array vs. Object efficiency in JavaScript

... But I want to know what is performing better: retrieving an object from an array (by looping through it) or from an "associative" object where the id is the key. I'm sorry if my question wasn't clear... – Moshe Shaham Jun 25 '13 at 10:57 ...
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Map enum in JPA with fixed values?

...defined as simply 'M' or 'F' in the database but that shouldn't prevent me from using Gender.MALE and Gender.FEMALE in Java, instead of Gender.M or Gender.F. – spaaarky21 Sep 11 '11 at 2:41 ...
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In Node.js, how do I “include” functions from my other files?

Let's say I have a file called app.js. Pretty simple: 26 Answers 26 ...
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Correct way to load a Nib for a UIView subclass

... nil; NSArray* elements = [[NSBundle mainBundle] loadNibNamed: NSStringFromClass([self class]) owner:self options: nil]; for (id anObject in elements) { if ([anObject isKindOfClass:[self class]]) { result = anObject; break; } } retu...
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How to write PNG image to string with the PIL?

... an error when trying to automatically detect it. If you loaded the image from a file it has a format parameter that contains the original file format, so in this case you can use format=image.format. In old Python 2 versions before introduction of the io module you would have used the StringIO mo...
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Array_merge versus + [duplicate]

...d to the left-hand array; for keys that exist in both arrays, the elements from the left-hand array will be used, and the matching elements from the right-hand array will be ignored. http://php.net/manual/en/language.operators.array.php array_merge() has slightly different behavior: If the in...
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Purpose of Trigraph sequences in C++?

...need to be aware of them (to avoid accidental use). Also, if you get code from somewhere else you may run into their intentional use, but that would be extremely unusual. I think I've run into intentionally used trigraphs once in 20+ years (it was some code for an IBM mainframe). ...