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When should the xlsm or xlsb formats be used?

... (in particular, .xlsx , .xlsm , .xlsb ). I've got no problem to understand the use and purpose of .xlsx format but I am still wondering whether we should use a .xlsm or a .xlsb format when creating a file containing some VBA. ...
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How to split a delimited string in Ruby and convert it to an array?

...g to perform any action. split() -> is an method, which split the input and store it as array. '' or ' ' or ',' -> is an value, which is needed to be removed from given string. share | improv...
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MenuItemCompat.getActionView always returns null

...library but the MenuItemCompat.getActionView always return null in every Android version I tested (4.2.2, 2.3.4 ....) 11 ...
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Why does this loop produce “warning: iteration 3u invokes undefined behavior” and output more than 4

...s no such thing as "unsigned integer overflow") means undefined behaviour. And this means anything can happen, and discussing why does it happen under the rules of C++ doesn't make sense. C++11 draft N3337: §5.4:1 If during the evaluation of an expression, the result is not mathematically de...
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Why does the arrow (->) operator in C exist?

... I'll interpret your question as two questions: 1) why -> even exists, and 2) why . does not automatically dereference the pointer. Answers to both questions have historical roots. Why does -> even exist? In one of the very first versions of C language (which I will refer as CRM for "C Refe...
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What makes Scala's operator overloading “good”, but C++'s “bad”?

Operator overloading in C++ is considered by many to be A Bad Thing(tm), and a mistake not to be repeated in newer languages. Certainly, it was one feature specifically dropped when designing Java. ...
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How can I filter a date of a DateTimeField in Django?

... Looks like it will land in Django 1.9: github.com/django/django/commit/… – amjoconn Oct 22 '15 at 19:45 16 ...
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Portable way to get file size (in bytes) in shell?

...at --format="%s" FILE , but Solaris I have access to doesn't have stat command. What should I use then? 14 Answers ...
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Iterating over every two elements in a list

...+ y) In Python 3, you can replace izip with the built-in zip() function, and drop the import. All credit to martineau for his answer to my question, I have found this to be very efficient as it only iterates once over the list and does not create any unnecessary lists in the process. N.B: This ...
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powershell - extract file name and extension

I need to extract file name and extension from e.g. my.file.xlsx. I don't know the name of file or extension and there may be more dots in the name, so I need to search the string from the right and when I find first dot (or last from the left), extract the part on the right side and the part on the...