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Count rows with not empty value
In a Google Spreadsheet: How can I count the rows of a given area that have a value? All hints about this I found up to now lead to formulas that do count the rows which have a not empty content (including formula), but a cell with
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Test whether a glob has any matches in bash
If I want to check for the existence of a single file, I can test for it using test -e filename or [ -e filename ] .
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What does void* mean and how to use it?
Today when I was reading others' code, I saw something like void *func(void* i); , what does this void* mean here for the function name and for the variable type, respectively?
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How to create an array from a CSV file using PHP and the fgetcsv function
Can someone kindly provide a code to create an array from a CSV file using fgetcsv?
14 Answers
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Matplotlib connect scatterplot points with line - Python
I have two lists, dates and values. I want to plot them using matplotlib. The following creates a scatter plot of my data.
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What does the number in parentheses shown after Unix command names in manpages mean?
For example: man(1) , find(3) , updatedb(2) ?
7 Answers
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How do you round a floating point number in Perl?
How can I round a decimal number (floating point) to the nearest integer?
13 Answers
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delegate keyword vs. lambda notation
Once it is compiled, is there a difference between:
6 Answers
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Best way to store a key=>value array in JavaScript?
What's the best way to store a key=>value array in javascript, and how can that be looped through?
7 Answers
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Python recursive folder read
I have a C++/Obj-C background and I am just discovering Python (been writing it for about an hour).
I am writing a script to recursively read the contents of text files in a folder structure.
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