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How to create an array containing 1…N

...want an array of numbers 1..n that you can later loop through. If this is all you need, can you do this instead? var foo = new Array(45); // create an empty array with length 45 then when you want to use it... (un-optimized, just for example) for(var i = 0; i < foo.length; i++){ document.w...
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Class method differences in Python: bound, unbound and static

...n Python, there is a distinction between bound and unbound methods. Basically, a call to a member function (like method_one), a bound function a_test.method_one() is translated to Test.method_one(a_test) i.e. a call to an unbound method. Because of that, a call to your version of method_two ...
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Add CSS or JavaScript files to layout head from views or partial views

... The question specifically mentioned partial view and this highest rated answer doesn't address the issue! This may be an excellent solution for another query, but not this one. – vulcan raven May 3 '13 at 5...
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Which is more preferable to use: lambda functions or nested functions ('def')?

...nction objects, but list comprehensions and generator expressions are generally more readable than those functions and can cover all use cases, without the need of lambdas. For the cases you really need a small function object, you should use the operator module functions, like operator.add instea...
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How to get POSTed JSON in Flask?

... First of all, the .json attribute is a property that delegates to the request.get_json() method, which documents why you see None here. You need to set the request content type to application/json for the .json property and .get_jso...
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What are good uses for Python3's “Function Annotations”

... I think this is actually great. Coming from an academic background, I can tell you that annotations have proved themselves invaluable for enabling smart static analyzers for languages like Java. For instance, you could define semantics like sta...
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jQuery find events handlers registered with an object

..." $.each(event, function(j, h) { // h.handler is the function being called }); }); Here's an example you can play with: $(function() { $("#el").click(function(){ alert("click"); }); $("#el").mouseover(function(){ alert("mouseover"); }); $.each($._data($("#el")[0], "events")...
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Should __init__() call the parent class's __init__()?

... In Python, calling the super-class' __init__ is optional. If you call it, it is then also optional whether to use the super identifier, or whether to explicitly name the super class: object.__init__(self) In case of object, calling th...
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What is the preferred/idiomatic way to insert into a map?

... First of all, operator[] and insert member functions are not functionally equivalent : The operator[] will search for the key, insert a default constructed value if not found, and return a reference to which you assign a value. Obvi...
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How to “EXPIRE” the “HSET” child key in redis?

I need to expire all keys in redis hash, which are older than 1 month. 11 Answers 11 ...