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Finding all possible permutations of a given string in python
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The itertools module has a useful m>me m>thod called permutations(). The docum>me m>ntation says:
itertools.permutations(iterable[, r])
Return successive r length permutations of elem>me m>nts in the iterable.
If r is not specified or is None, then r defaults ...
How to get the device's Im>ME m>I/ESN programmatically in android?
To identify each devices uniquely I would like to use the Im>ME m>I (or ESN number for CDMA devices). How to access this programmatically?
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How do I ZIP a file in C#, using no 3rd-party APIs?
I'm pretty sure this is not a duplicate so bear with m>me m> for just a minute.
7 Answers
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What's the key difference between HTML 4 and HTML 5?
...al goals which differentiate it from HTML4.
Consistency in Handling Malform>me m>d Docum>me m>nts
The primary one is consistent, defined error handling. As you know, HTML purposely supports 'tag soup', or the ability to write malform>me m>d code and have it corrected into a valid docum>me m>nt. The problem is that ...
applicationWillEnterForeground vs. applicationDidBecom>me m>Active, applicationWillResignActive vs. appli
Which is the proper delegate to implem>me m>nt when an application is waking up from being in the background and you want it to prep it to be active?
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Polymorphism in C++
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Understanding of / requirem>me m>nts for polymorphism
To understand polymorphism - as the term is used in Computing Science - it helps to start from a simple test for and definition of it. Consider:
Type1 x;
Type2 y;
f(x);
f(y);
Here,...
Is it a good practice to use an empty URL for a HTML form's action attribute? (action=“”)
...ute altogether. If you leave it out, the form will be submitted to the docum>me m>nt's address, i.e. the sam>me m> page.
It is also possible to leave it empty, and any browser implem>me m>nting HTML's form submission algorithm will treat it as equivalent to the docum>me m>nt's address, which it does mainly because that...
Preview an image before it is uploaded
...#blah').attr('src', e.target.result);` when you could have simply done docum>me m>nt.getElem>me m>ntById('blah').src=e.target.result)
– EasyBB
Jul 21 '14 at 19:26
5
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Find kth smallest elem>me m>nt in a binary search tree in Optimum way
I need to find the kth smallest elem>me m>nt in the binary search tree without using any static/global variable. How to achieve it efficiently?
The solution that I have in my mind is doing the operation in O(n), the worst case since I am planning to do an inorder traversal of the entire tree. But deep do...
How do I delete multiple rows in Entity Fram>me m>work (without foreach)
I'm deleting several items from a table using Entity Fram>me m>work. There isn't a foreign key / parent object so I can't handle this with OnDeleteCascade.
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