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How to save a list as numpy array in python?
Is possible to construct a NumPy array from a python list?
9 Answers
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Autoresizing masks programmatically vs Interface Builder / xib / nib
I was in an (probably false) assumption that enabling the right margin indicator in xib is equivalent to using UIViewAutoresizingFlexibleLeftMargin inside code and so on.
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How do I forward declare an inner class? [duplicate]
I have a class like so...
3 Answers
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Replace Fragment inside a ViewPager
...h a ViewPager using the FragmentPagerAdapter .
What I'm looking for to achieve is to replace a fragment, positioned on the first page of the ViewPager , with another one.
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Declare a block method parameter without using a typedef
Is it possible to specify a method block parameter in Objective-C without using a typedef? It must be, like function pointers, but I can't hit on the winning syntax without using an intermediate typedef:
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Equation (expression) parser with precedence?
I've developed an equation parser using a simple stack algorithm that will handle binary (+, -, |, &, *, /, etc) operators, unary (!) operators, and parenthesis.
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How can I extract all values from a dictionary in Python?
I have a dictionary d = {1:-0.3246, 2:-0.9185, 3:-3985, ...} .
11 Answers
11
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Convert generator object to list for debugging [duplicate]
...on, I sometimes hit a break-point and I want to examine a variable that is currently a generator. The simplest way I can think of doing this is converting it to a list, but I'm not clear on what's an easy way of doing this in one line in ipdb , since I'm so new to Python.
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count(*) vs count(column-name) - which is more correct? [duplicate]
Does it make a difference if you do count(*) vs count(column-name) as in these two examples?
5 Answers
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How does a public key verify a signature?
I am trying to get a better grapple on how public/private keys work. I understand that a sender may add a digital signature to a document using his/her private key to essentially obtain a hash of the document, but what I do not understand is how the public key can be used to verify that signature.
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