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How to write the Fibonacci Sequence?
I had originally coded the program wrongly. Instead of returning the Fibonacci numbers between a range (ie. startNumber 1, endNumber 20 should = only those numbers between 1 & 20), I have written for the program to display all Fibonacci numbers between a range (ie. startNumber 1, endNumber 20 displa...
What is the difference between quiet NaN and signaling NaN?
I have read about floating-point and I understand that NaN could result from operations. But I can't understand what these are concepts exactly. What is the difference between them?
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how to use sed, awk, or gawk to print only what is matched?
I see lots of examples and man pages on how to do things like search-and-replace using sed, awk, or gawk.
11 Answers
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Converting a column within pandas dataframe from int to string
I have a dataframe in pandas with mixed int and str data columns. I want to concatenate first the columns within the dataframe. To do that I have to convert an int column to str .
I've tried to do as follows:
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What regex will match every character except comma ',' or semi-colon ';'?
Is it possible to define a regex which will match every character except a certain defined character or set of characters?
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Count occurrences of a char in plain text file
Is there any way under linux/terminal to count, how many times the char f occurs in a plain text file?
5 Answers
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ObservableCollection not noticing when Item in it changes (even with INotifyPropertyChanged)
Does anyone know why this code doesn't work:
18 Answers
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Putting an if-elif-else statement on one line?
I have read the links below, but it doesn't address my question.
Does Python have a ternary conditional operator? (the question is about condensing if-else statement to one line)
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Peak memory usage of a linux/unix process
Is there a tool that will run a command-line and report the peak RAM usage total?
20 Answers
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How do I get bit-by-bit data from an integer value in C?
I want to extract bits of a decimal number.
8 Answers
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