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Count rows with not empty value

...not counted. Google support: https://support.google.com/docs/answer/3093991 countblank: "Returns the number of empty cells in a given range" Note: CountBlank considers both blank cells (press delete to blank a cell) and cells that have a formula that returns "" to be empty cells. Google Support...
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How to identify whether a file is normal file or directory

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Maven: best way of linking custom external JAR to my project?

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Regex to match any character including new lines

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How do I change permissions for a folder and all of its subfolders and files in one step in Linux?

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Why does comparing strings using either '==' or 'is' sometimes produce a different result?

... If you change set jack1.age = 99, that won't change jack2.age. That's because they are two different instances, so jack1 is not jack2. However, they can equal each other jack1 == jack2 if their name and their age are the same. It gets more complicated for...
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Reading specific lines only

...e 100th line with open('the_file') as lines: for line in islice(lines, 99, 100): print line # print each third line until 100 with open('the_file') as lines: for line in islice(lines, 0, 100, 3): print line The additional advantage of the function is that
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Operator overloading in Java

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const char * const versus const char *?

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How do short URLs services work?

... Jawwad 1,29822 gold badges99 silver badges1717 bronze badges answered Oct 13 '09 at 19:50 AbelAbel 51.6k...