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How can I quantify difference between two images?

...ors rather than images. However, there are some decisions to make first. Questions You should answer these questions first: Are images of the same shape and dimension? If not, you may need to resize or crop them. PIL library will help to do it in Python. If they are taken with the same settin...
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Fastest method to replace all instances of a character in a string [duplicate]

... Try this replaceAll: http://dumpsite.com/forum/index.php?topic=4.msg8#msg8 String.prototype.replaceAll = function(str1, str2, ignore) { return this.replace(new RegExp(str1.replace(/([\/\,\!\\\^\$\{\}\[\]\(\)\.\*\+\?\|\<\>\-\&])/g,"\\$&"),(ignore?"gi":"...
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Get data from file input in JQuery

... Perfect solution! thank you. Improvement for single upload, index 0. var myFile = $('#fileinput').prop('files')[0]; – polras Dec 23 '16 at 15:18 ...
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What guarantees are there on the run-time complexity (Big-O) of LINQ methods?

...uarantees, but there are a few optimizations: Extension methods that use indexed access, such as ElementAt, Skip, Last or LastOrDefault, will check to see whether or not the underlying type implements IList<T>, so that you get O(1) access instead of O(N). The Count method checks for an IColl...
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make an html svg object also a clickable link

... Adding to <a> tag: display: inline-block; position: relative; z-index: 1; and to the <span> tag: display: inline-block; and to the <object> tag: position: relative; z-index: -1 See an example here: http://dabblet.com/gist/d6ebc6c14bd68a4b06a6 Found via comment 20 her...
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How can I get a list of all classes within current module in Python?

... for item in dir(platforms) # Ignore magic, ourselves (index.py) and a base class. if not item.startswith('__') and item not in ['index', 'base'] ) )) share | ...
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ToList()— does it create a new list?

...owed (C# compile-time error). That is because the return value of the list indexer's get accessor is not a variable (it is a returned copy of a struct value), and therefore setting its member .SimpleInt with an assignment expression is not allowed (it would mutate a copy that is not kept). Well, who...
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Does a view exist in ASP.NET MVC?

...action simply return an instance of your custom view: public ActionResult Index() { return new CustomViewResult(); } share | improve this answer | follow ...
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Check if something is (not) in a list in Python

...re than just check whether an item is in a list, there are options: list.index can be used to retrieve the index of an item. If that element does not exist, a ValueError is raised. list.count can be used if you want to count the occurrences. The XY Problem: Have you considered sets? Ask yours...
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form_for with nested resources

...date] resources :articles do resources :comments, :only => [:create, :index, :new] end I guess it's ok to have duplicate routes, and to miss a few unit-tests. (Why test? Because even if the user never sees the duplicates, your forms may refer to them, either implicitly or via named routes.) S...