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How to write to an existing excel file without overwriting data (using pandas)?

... if truncate_sheet and sheet_name in writer.book.sheetnames: # index of [sheet_name] sheet idx = writer.book.sheetnames.index(sheet_name) # remove [sheet_name] writer.book.remove(writer.book.worksheets[idx]) # create an empty sheet [sheet_n...
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How to convert an NSString into an NSNumber

... +q Depending on the situation, non-locale-sensitive might actually be the correct way. – Thilo Sep 12 '11 at 6:46 ...
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Iteration over std::vector: unsigned vs signed index variable

...ou should prefer iterators. Some people tell you to use std::size_t as the index variable type. However, that is not portable. Always use the size_type typedef of the container (While you could get away with only a conversion in the forward iterating case, it could actually go wrong all the way in t...
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Why is using “for…in” for array iteration a bad idea?

...y. for (var i = 0; i < a.length; i++) { // Iterate over numeric indexes from 0 to 5, as everyone expects. console.log(a[i]); } /* Will display: undefined undefined undefined undefined undefined 5 */ can sometimes be totally different from the other...
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Does Java SE 8 have Pairs or Tuples?

...round with lazy functional operations in Java SE 8, and I want to map an index i to a pair / tuple (i, value[i]) , then filter based on the second value[i] element, and finally output just the indices. ...
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How to sort a list/tuple of lists/tuples by the element at a given index?

...s tup, or t, or whatever you like and it'll still work. tup here specifies index of the list's tuple, so 1 means that sorting will be performed by the second values of tuples from the original list (2, 5, 8). – Neurotransmitter Jul 26 '16 at 15:13 ...
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jQuery loop over JSON result from AJAX Success?

...getJSON('/your/script.php', function(data) { $.each(data, function(index) { alert(data[index].TEST1); alert(data[index].TEST2); }); }); This is really just a rewording of ifesdjeen's answer, but I thought it might be helpful to people. ...
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Inverse dictionary lookup in Python

... python has a .index method on lists the returns the first found index with the specified value or an exception if not found... any reason why such a semantic could not be applied to dictionaries? – Brian Jack ...
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What is the shortcut to Auto import all in Android Studio?

...R" to the "Exclude from Import and Completion" list; see stackoverflow.com/questions/21102497/… – Scott Barta Jan 14 '14 at 17:08 2 ...
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Is it possible to use 'else' in a list comprehension? [duplicate]

...r a in [0,1,0,3]] [2, 1, 2, 3] So for your example, table = ''.join(chr(index) if index in ords_to_keep else replace_with for index in xrange(15)) share | improve this answer ...