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Is a Python list guaranteed to have its elements stay in the order they are inserted in?
If I have the following Python code
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Keep only first n characters in a string?
Is there a way in JavaScript to remove the end of a string?
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leading zeros in rails
I have fields hr and min , both integers in my application. For hr field, if the user enters "1" I would like Rails to automatically pad it to "01" before saving it to the database. Also for the min field if the user enter "0" it should put in as "00".
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Paging UICollectionView by cells, not screen
I have UICollectionView with horizontal scrolling and there are always 2 cells side-by-side per the entire screen. I need the scrolling to stop at the begining of a cell. With paging enabled, the collection view scrolls the whole page, which is 2 cells at once, and then it stops.
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How do you convert a byte array to a hexadecimal string, and vice versa?
How can you convert a byte array to a hexadecimal string, and vice versa?
45 Answers
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parseInt vs unary plus, when to use which?
What are the differences between this line:
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Add single element to array in numpy
I have a numpy array containing:
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How to make rounded percentages add up to 100%
Consider the four percentages below, represented as float numbers:
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Does opacity:0 have exactly the same effect as visibility:hidden
If so, does it effectively deprecate the visibility property?
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How to get the first element of an array?
How do you get the first element from an array like this:
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