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Pandas every nth row

Dataframe.resample() works only with timeseries data. I cannot find a way of getting every nth row from non-timeseries data. What is the best method? ...
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How can I apply a function to every row/column of a matrix in MATLAB?

You can apply a function to every item in a vector by saying, for example, v + 1 , or you can use the function arrayfun . How can I do it for every row/column of a matrix without using a for loop? ...
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Accessing the index in 'for' loops?

How do I access the index in a for loop like the following? 20 Answers 20 ...
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Any shortcut to initialize all array elements to zero?

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Get a specific bit from byte

I have a byte, specifically one byte from a byte array which came in via UDP sent from another device. This byte stores the on/off state of 8 relays in the device. ...
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how does array[100] = {0} set the entire array to 0?

How does the compiler fill values in char array[100] = {0}; ? What's the magic behind it? 4 Answers ...
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Current time formatting with Javascript

I want to get current time in a specific format with javascript. 14 Answers 14 ...
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What is the result of % in Python?

What does the % in a calculation? I can't seem to work out what it does. 19 Answers ...
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How to position a DIV in a specific coordinates?

I want to position a DIV in a specific coordinates ? How can I do that using Javascript ? 6 Answers ...
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How to sort a list in Scala by two fields?

how to sort a list in Scala by two fields, in this example I will sort by lastName and firstName? 4 Answers ...