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Delete the first three rows of a dataframe in pandas
I need to delete the first three rows of a dataframe in pandas.
7 Answers
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How do I measure execution time of a command on the Windows command line?
Is there a built-in way to measure execution time of a command on the Windows command line?
30 Answers
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How can I force division to be floating point? Division keeps rounding down to 0?
I have two integer values a and b , but I need their ratio in floating point. I know that a < b and I want to calculate a / b , so if I use integer division I'll always get 0 with a remainder of a .
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How to toggle a value in Python
What is the most efficient way to toggle between 0 and 1 ?
17 Answers
17
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How to remove leading and trailing zeros in a string? Python
I have several alphanumeric strings like these
6 Answers
6
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CSS Progress Circle [closed]
I have searched this website to find progress bars, but the ones I have been able to found show animated circles that go to the full 100%.
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Generate a Hash from string in Javascript
I need to convert strings to some form of hash. Is this possible in JavaScript?
22 Answers
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Sleep until a specific time/date
I want my bash script to sleep until a specific time. So, I want a command like "sleep" which takes no interval but an end time and sleeps until then.
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Difference between decimal, float and double in .NET?
What is the difference between decimal , float and double in .NET?
18 Answers
18
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Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
I first noticed in 2009 that GCC (at least on my projects and on my machines) have the tendency to generate noticeably faster code if I optimize for size ( -Os ) instead of speed ( -O2 or -O3 ), and I have been wondering ever since why.
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