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if else in a list comprehension [duplicate]

...ep certain elements (ie: you do not necessarily want an entry to the array from every iteration) then you need to put the condition at the end. – Sam Creamer Aug 29 '19 at 17:35 ...
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Object reference not set to an instance of an object.Why doesn't .NET show which object is `null`?

...to see that it is s that was null but what if the value was a return value from another function call and not stored in any variable? Anyway, this kind of information is not what you want to keep track of in a virtual machine like the .NET virtual machine. To avoid this problem I suggest that you...
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Why do you need explicitly have the “self” argument in a Python method?

...elf in the function declaration (mind you, perhaps this is throwing stones from a glass house, since JavaScript has some pretty tricky this binding semantics) – Jonathan Benn Oct 23 '17 at 17:30 ...
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What is Erlang written in?

... From the Erlang FAQ: 10.6 How did the first Erlang compiler get written? (or: how was Erlang bootstrapped?) In Joe's words: First I designed an abstract machine to execute Erlang. This was called the JAM m...
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Why do we copy then move?

... @user2030677: But that is a completely different example. In the example from your question you always end up holding a copy in data! – Andy Prowl May 23 '13 at 23:01 ...
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Submit a form using jQuery [closed]

...).serialize(), function(data) { // ... do something with response from server }, 'json' // I expect a JSON response ); }); $('input#submitButton').click( function() { $.ajax({ url: 'some-url', type: 'post', dataType: 'json', data: $('fo...
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How to Reverse Fragment Animations on BackStack?

...droid:duration="500" android:propertyName="x" android:valueFrom="1000" android:valueTo="0" android:valueType="floatType" /> </set> slide_in_right.xml <?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/an...
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UnboundLocalError on local variable when reassigned after first use

...es in functions differently depending on whether you assign values to them from inside or outside the function. If a variable is assigned within a function, it is treated by default as a local variable. Therefore, when you uncomment the line you are trying to reference the local variable c before ...
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Bubble Sort Homework

...ne argument (named stop). In that case, you get a list of all the integers from 0 to that argument. for i in range(length): The Python Style Guide recommends that variables be named in lowercase with underscores. This is a very minor nitpick for a little script like this; it's more to get you accu...
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What is the difference between C# and .NET?

...(implicitly, yes, but it does use it nonetheless) because Example inherits from System.Object. Also, the reason I use the phrase Microsoft's implementation of C# is because there are other implementations of C# available. s...