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How to append rows to an R data frame
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Update
Not knowing what you are trying to do, I'll share one more suggestion: Preallocate vec...
Difference between decimal, float and double in .NET?
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Get path of executable
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edited Nov 20 '17 at 6:57
James Mart
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answered Oct 6 '09...
How is a CRC32 checksum calculated?
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The polynomial for CRC32 is:
x32 + x26 + x23 + x22 + x16 + x12 + x11 + x10 + x8 + x7 + x5 ...
How do you get the width and height of a multi-dimensional array?
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answered Nov 23 '10 at 19:52
Reed CopseyReed Copsey
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Getting the first character of a string with $str[0]
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edited Aug 8 '17 at 4:14
Alexis Wilke
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How to read a .xlsx file using the pandas Library in iPython?
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165
I usually create a dictionary containing a DataFrame for every sheet:
xl_file = pd.ExcelFile(...
How to compare strings ignoring the case
...or casecmp. It returns 0 if two strings are equal, case-insensitively.
str1.casecmp(str2) == 0
"Apple".casecmp("APPLE") == 0
#=> true
Alternatively, you can convert both strings to lower case (str.downcase) and compare for equality.
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Easy pretty printing of floats in python?
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Flexbox and Internet Explorer 11 (display:flex in ?)
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According to http://caniuse.com/#feat=flexbox:
"IE10 and IE11 default values for flex are 0 0...