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Best way to combine two or more byte arrays in C#
... - 0.0781270 seconds
I increased the size of each array to 100 elements and re-ran the test:
New Byte Array using System.Array.Copy - 0.2812554 seconds
New Byte Array using System.Buffer.BlockCopy - 0.2500048 seconds
IEnumerable<byte> using C# yield operator - 0.0625012 seconds...
How to apply a function to two columns of Pandas dataframe
Suppose I have a df which has columns of 'ID', 'col_1', 'col_2' . And I define a function :
12 Answers
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How to format numbers as currency string?
...ce in JavaScript. I'd like a function which takes a float as an argument and returns a string formatted like this:
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grant remote access of MySQL database from any IP address
I am aware of this command:
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Apply pandas function to column to create multiple new columns?
How to do this in pandas:
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Determine the data types of a data frame's columns
I'm using R and have loaded data into a dataframe using read.csv() . How do I determine the data type of each column in the data frame?
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How do I read / convert an InputStream into a String in Java?
...ou have a java.io.InputStream object, how should you process that object and produce a String ?
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How to make rounded percentages add up to 100%
... There is aproblem with this function when the last element is 0 and previous ones add to 100. E.g. [52.6813880126183, 5.941114616193481, 24.55310199789695, 8.780231335436383, 8.04416403785489, 0]. The last one logically returns -1. I thought of the following solution really quickly but th...
Selecting a row of pandas series/dataframe by integer index
I am curious as to why df[2] is not supported, while df.ix[2] and df[2:3] both work.
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Java regex capturing groups indexes
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Capturing and grouping
Capturing group (pattern) creates a group that has capturing property.
A related one that you might often see (and use) is (?:pattern), which creates a group without capturing property, hence named non-capturi...