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Calculate the center point of multiple latitude/longitude coordinate pairs
Given a set of latitude and longitude points, how can I calculate the latitude and longitude of the center point of that set (aka a point that would center a view on all points)?
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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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Hidden Features of JavaScript? [closed]
What "Hidden Features" of JavaScript do you think every programmer should know?
99 Answers
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Histogram using gnuplot?
I know how to create a histogram (just use "with boxes") in gnuplot if my .dat file already has properly binned data. Is there a way to take a list of numbers and have gnuplot provide a histogram based on ranges and bin sizes the user provides?
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How can I perform a culture-sensitive “starts-with” operation from the middle of a string?
I have a requirement which is relatively obscure, but it feels like it should be possible using the BCL.
3 Answers
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How to clear the canvas for redrawing
After experimenting with composite operations and drawing images on the canvas I'm now trying to remove images and compositing. How do I do this?
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What's quicker and better to determine if an array key exists in PHP?
Consider these 2 examples...
10 Answers
10
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Why does the indexing start with zero in 'C'?
Why does the indexing in an array start with zero in C and not with 1?
16 Answers
16
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Check if character is number?
I need to check whether justPrices[i].substr(commapos+2,1) .
22 Answers
22
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Why is printing to stdout so slow? Can it be sped up?
I've always been amazed/frustrated with how long it takes to simply output to the terminal with a print statement. After some recent painfully slow logging I decided to look into it and was quite surprised to find that almost all the time spent is waiting for the terminal to process the results.
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