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Why create “Implicitly Unwrapped Optionals”, since that implies you know there's a value?

...ase of an object that may have nil properties while it's being constructed and configured, but is immutable and non-nil afterwards (NSImage is often treated this way, though in its case it's still useful to mutate sometimes). Implicitly unwrapped optionals would clean up its code a good deal, with r...
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Are HTML Image Maps still used?

...s. An alternative would be to position elements using absolute positioning and CSS but that's not necessarily better. It also doesn't allow you to have shapes like in image maps share | improve this...
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In JavaScript can I make a “click” event fire programmatically for a file input element?

...u cannot do that in all browsers, supposedly IE does allow it, but Mozilla and Opera do not. When you compose a message in GMail, the 'attach files' feature is implemented one way for IE and any browser that supports this, and then implemented another way for Firefox and those browsers that do not...
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ASP.NET: This method cannot be called during the application's pre-start initialization stage

... Can you please expand on that a little? Where in the web.config? What do the keys do? I'm having trouble finding online documentation of those keys. – Kennet Belenky Jan 19 '11 at 19:54 ...
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Check if a value is an object in JavaScript

... UPDATE: This answer is incomplete and gives misleading results. For example, null is also considered of type object in JavaScript, not to mention several other edge cases. Follow the recommendation below and move on to other "most upvoted (and correct!) answe...
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Why do we need Abstract factory design pattern?

...tract Factory has been accepted as the solution. To the best of my understanding, these questions represent real concerns or problems that people had, so that should get you started with some real-life examples: Is there a pattern for initializing objects created via a DI container Can't combine ...
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How to install python modules without root access?

I'm taking some university classes and have been given an 'instructional account', which is a school account I can ssh into to do work. I want to run my computationally intensive Numpy, matplotlib, scipy code on that machine, but I cannot install these modules because I am not a system administrator...
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Iterate over object attributes in python

I have a python object with several attributes and methods. I want to iterate over object attributes. 8 Answers ...
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What is your preferred style for naming variables in R? [closed]

Which conventions for naming variables and functions do you favor in R code? 9 Answers ...
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How do I convert a decimal to an int in C#?

... -1 since this will not work for values such as decimal.MaxValue and decimal.MinValue and results in an OverflowException. I believe that @Will provides a better answer here stackoverflow.com/a/501165/39532 – mezoid Jun 2 '14 at 6:50 ...