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Calculate the execution time of a method

I have an I/O time-taking method which copies data from a location to another. What's the best and most real way of calculating the execution time? Thread ? Timer ? Stopwatch ? Any other solution? I want the most exact one, and briefest as much as possible. ...
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How to get CRON to call in the correct PATHs

I'm trying to get cron to call in the correct PATHs. When I run a Python script from shell the script runs fine as it uses the PATHs set in bashrc but when I use cron all the PATHs are not used from bashrc. Is there a file I can enter the PATHs into for cron like bashrc or a way to call the PATHs fr...
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Why does struct alignment depend on whether a field type is primitive or user-defined?

In Noda Time v2, we're moving to nanosecond resolution. That means we can no longer use an 8-byte integer to represent the whole range of time we're interested in. That has prompted me to investigate the memory usage of the (many) structs of Noda Time, which has in turn led me to uncover a slight ...
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How to convert a PIL Image into a numpy array?

Alright, I'm toying around with converting a PIL image object back and forth to a numpy array so I can do some faster pixel by pixel transformations than PIL's PixelAccess object would allow. I've figured out how to place the pixel information in a useful 3D numpy array by way of: ...
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MPICH vs OpenMPI

Can someone elaborate the differences between the OpenMPI and MPICH implementations of MPI ? Which of the two is a better implementation ? ...
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How to format a java.sql Timestamp for displaying?

.... Just to be clear, the formatting produced by the example here looks like 05/30/17 00:39:18. – Noumenon May 30 '17 at 4:41 ...
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How to ignore user's time zone and force Date() use specific time zone

In an JS app, I receive timestamp (eq. 1270544790922 ) from server (Ajax). 7 Answers ...
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What's the Android ADB shell “dumpsys” tool and what are its benefits?

I'm looking for the full list of ADB shell dumpsys commands with a full explanation of all of the commands. 4 Answers ...
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Converting an object to a string

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Get all unique values in a JavaScript array (remove duplicates)

...of numbers that I need to make sure are unique. I found the code snippet below on the internet and it works great until the array has a zero in it. I found this other script here on Stack Overflow that looks almost exactly like it, but it doesn't fail. ...