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How to remove last n characters from every element in the R vector
I am very new to R, and I could not find a simple example online of how to remove the last n characters from every element of a vector (array?)
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Check play state of AVPlayer
Is there a way to know whether an AVPlayer playback has stalled or reached the end?
11 Answers
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How do I convert an array object to a string in PowerShell?
How can I convert an array object to string?
6 Answers
6
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Adding a y-axis label to secondary y-axis in matplotlib
I can add a y label to the left y-axis using plt.ylabel , but how can I add it to the secondary y-axis?
3 Answers
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jQuery .hasClass() vs .is()
is there a preferred method of determining whether an element is assigned a class, from a performance standpoint?
4 Answers...
Convert number to month name in PHP
I have this PHP code:
26 Answers
26
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Remove first 4 characters of a string with PHP
How can I remove the first 4 characters of a string using PHP?
7 Answers
7
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Difference between var_dump,var_export & print_r
What is the difference between var_dump , var_export and print_r ?
2 Answers
2
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Longest line in a file
I'm looking for a simple way to find the length of the longest line in a file. Ideally, it would be a simple bash shell command instead of a script.
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How do I set cell value to Date and apply default Excel date format?
I've been using Apache POI for some time to read existing Excel 2003 files programmatically. Now I have a new requirement to create entire .xls files in-memory (still using Apache POI) and then write them to a file at the end. The only problem standing in my way is the handling of cells with dates.
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